| gas-liquid chromatographic determination of kepone in field-collected avian tissues and eggs. | a procedure is described for determining kepone (decachlorooctahydro-1,3,4-metheno-2h-cyclobuta [cd] pentalene-2-one) residues in avian egg, liver, and tissue. samples were extracted with benzene-isopropanol, and the extract was cleaned up with fuming h2so4-concentrated h2so4. kepone was separated from organochlorine pesticides and polychlorinated biphenyls on a florisil column and analyzed by electron capture gas-liquid chromatography (glc). the average recovery from spiked tissues was 86%. the ... | 1978 | 74377 |
| productivity of ospreys in connecticut--long island increases as dde residues decline. | nesting success of ospreys (pandion haliaetus) breeding in the connecticut--long island area has increased since 1973 and is now approaching the levels recorded prior to the 1950's. simultaneously, dde and dieldrin residues have declined in unhatched eggs. levels of polychorinated biphenyls have shown no changes over the period 1969 to 1976. the increase in productivity is attributed primarily to lower levels of dde contamination. detrimental effects in the past on ospreys in the connecticut riv ... | 1978 | 99818 |
| effects of pcbs, ddt, and mercury compounds in chickens and japanese quail. | in well-controlled experiments using white leghorn chickens and japanese quail, dietary polychlorinated biphenyls (pcbs), ddt and related compounds produced no detrimental effects on eggshell quality. a drastic reduction in hatchability of chicks occurred with 10-20 ppm pcbs, but no detrimental effects on eggshell quality, egg production or hatchability were found with 0.5 and 1.0 ppm pcbs, or ddt up to 100 ppm. dietary pcbs potentiated a vitamin e-selenium deficiency in the chick, increased exu ... | 1977 | 404195 |
| organochlorine residues in new jersey osprey eggs. | | 1978 | 415777 |
| ddt and pcb levels in lake coeur d'alene, idaho, osprey eggs. | | 1975 | 805611 |
| photographing the osprey in the chesapeake bay region. | | 1992 | 1577677 |
| the humeroscapular bone of the great horned owl (bubo virginianus) and other raptors. | a small, separate, bony density dorsal to the shoulder joint is radiographically visible in several species of large hawks and owls. gross dissection and histological examination show the bone to lie on the deep surface of the major deltoid muscle in intimate association with the dorsal coracohumeral ligament of the shoulder joint. the tendon of the supracoracoideus muscle passes immediately cranial to the humeroscapular bone. two ligaments distinct from the shoulder joint capsule attach the hum ... | 1992 | 1585989 |
| environmental pollutant and necropsy data for ospreys from the eastern united states, 1975-1982. | twenty-three ospreys (pandion haliaetus) found dead or moribund in the eastern united states during 1975-1982 were necropsied and selected tissues were analyzed for organochlorines and metals. major causes or factors contributing to death were trauma, impact injuries, and emaciation. dde was detected in 96% of the osprey carcases, ddd in 65%, ddt and heptachlor epoxide in 13%, dieldrin, oxychlordane, and cis-nonachlor in 35%, cis-chlordane in 52%, trans-nonachlor in 45%, and pcb's in 83%. carcas ... | 1987 | 3586206 |
| sequela to intramedullary fixation of the humerus in an osprey. | | 1973 | 4490308 |
| renicola lari timon-david, 1933 from the osprey, pandion haliaetus (l.), from alberta, canada. | | 1984 | 6530728 |
| [parasites of austrian birds of prey (falconiformes)]. | during the examination of 158 birds of prey -- buteo buteo (85), falco tinnunculus (30), accipiter gentilis (19), accipiter nisus (18), circus aeruginosus (2), circus pygargus (1), pandion haliaetus (1), pernis apivorus (1), falco subbuteo (1) and faeces samples of falco tinnunculus 4 protozoan species, 1 trematode species, 2 cestode species, 13 nematode species, 2 acanthocephalan species and 5 mallophaga species could be detected. in the buzzard, kestrel and goshawk a new species of capillaria ... | 1980 | 7212374 |
| prevalence of encysted toxoplasma gondii in raptors from alabama. | little is known about the prevalence of encysted toxoplasma gondii in wild birds. we examined the hearts and breast muscles from 101 raptors for encysted t. gondii. all of the raptors had been submitted for necropsy to the state veterinary diagnostic laboratory, auburn, alabama. tissues were digested in acid-pepsin solution and inoculated into groups of 3-5 laboratory mice. toxoplasma gondii was isolated from 27 of 101 (26.7%) raptors: 8 of 12 (66.7%) red-shouldered hawks (buteo lineatus), 13 of ... | 1993 | 8277379 |
| food chain analysis of exposures and risks to wildlife at a metals-contaminated wetland. | a food chain analysis of risks to wetland receptors was performed in support of a baseline ecological risk assessment at the milltown reservoir sediments superfund site in montana. the study area consisted of over 450 acres of primarily palustrine wetland contaminated with metals from mining wastes transported from upstream sources (average of 465 mg/kg for cu in sediments, and 585 mg/kg in soils). the food chain analysis focused on several species of terrestrial and semiaquatic animals indigeno ... | 1996 | 8854965 |
| records of ectoparasites collected on ospreys from ontario. | ectoparasites were collected from ospreys (pandion haliaetus) in four study areas within the great lakes basin of ontario, canada. two parasitic mite (acari) species, bonnetella fusca and analloptes sp., were collected from nestlings. one chewing louse (mallophaga) kurodaia haliaeeti was collected from nestlings and adults. prevalence and intensity of k. haliaeeti were greater in the most northern of the four study areas. bonnetella prevalence and intensity did not seem to vary greatly across th ... | 1997 | 9131582 |
| a comparison of mercury levels in feathers and eggs of osprey (pandion haliaetus) in the north american great lakes. | osprey (pandion haliaetus) eggs and chick feathers were collected for mercury analysis from nests at four great lakes study areas in ontario (three "naturally formed" lakes in southern ontario and one reservoir in northern ontario) and two new jersey study areas in 1991-1994. adult osprey feathers were sampled from three great lakes study areas in 1991. feathers sampled from chicks (approximately 28-35 days old) appear to be better indicators of local contaminant conditions since spatial pattern ... | 1997 | 9419264 |
| elemental profiles in feather samples from a mercury-contaminated lake in central california | flight feathers from six bird species at clear lake, ca were analyzed to determine the extent and distribution of mercury contamination from an abandoned mercury mine and associated levels of 14 other elements. feather samples were collected from adult and juvenile osprey (pandion haliaetus), including juvenile osprey from three additional comparison sites; adult western grebes (aechmophorus occidentalis); adult great blue herons (ardea herodias); adult mallards (anas platyrhynchos); adult turke ... | 1998 | 9601923 |
| mercury accumulation and biomagnification in ospreys (pandion haliaetus) in the james bay and hudson bay regions of québec | mercury exposure was examined in adults and nestlings of ospreys (pandion haliaetus) from lakes, rivers, and hydroelectric reservoirs in northern québec between 1989 and 1991 by assessing the amount of mercury transferred from fish to ospreys, which are voracious fish-eaters. the high mercury concentrations detected in adult feathers and tissues (feathers, blood, liver, kidneys, muscles, brain) of nestlings indicate an increase in mercury availability at recently constructed hydroelectric reserv ... | 1998 | 9680526 |
| contaminants in ospreys from the pacific northwest: i. trends and patterns in polychlorinated dibenzo-p-dioxins and -dibenzofurans in eggs and plasma. | osprey (pandion haliaetus) eggs were collected from 1991 to 1997 at nests (n = 121) upstream and downstream of bleached kraft pulp mills and at reference sites in the fraser and columbia river drainage systems of british columbia, washington, and oregon. blood samples were collected from nestling ospreys during the 1992 breeding season on the thompson river. samples were analyzed for polychlorinated dibenzo-p-dioxins (pcdds) and -dibenzofurans (pcdfs). mean concentrations of 2,3,7,8-tcdd were si ... | 1998 | 9776780 |
| prevalence of encysted apicomplexans in muscles of raptors. | an acid-pepsin digestion technique was used to examine portions of breast muscle and heart from raptors for encysted protozoans. apicomplexan zoites were present in 52 (45.6%) of the 114 samples examined: 11 of 12 (91.7%) red-shouldered hawks (buteo lineatus), 20 of 34 (58.8%) red-tailed hawks (buteo jamaicensis), two of seven (28.6%) cooper's hawks (accipiter cooperi), three of four (75%) sharp-shinned hawks (accipiter striatus), one (100%) mississippi kites (ictinia misisippiensis), one of two ... | 1999 | 9950339 |
| contaminants in ospreys from the pacific northwest: ii. organochlorine pesticides, polychlorinated biphenyls, and mercury, 1991-1997. | eggs of ospreys (pandion haliaetus) were collected over the period 1991 to 1997 at 111 nests in the fraser and columbia river drainage systems of british columbia, washington, and oregon. contents were analyzed for organochlorine (oc) pesticides, polychlorinated biphenyls (pcbs), and total mercury. blood samples were taken from nestling ospreys at two time points during the 1992 breeding season on the thompson river and analyzed for non-ortho pcbs. concentrations of dde and related compounds sho ... | 2000 | 10556376 |
| changes in contaminant levels in new jersey osprey eggs and prey, 1989 to 1998. | ospreys are good indicators of the health of estuarine areas because they feed almost exclusively on fish with the balance on other aquatic biota. through the 1980s, ospreys nesting on delaware bay in new jersey had reduced reproductive success relative to those nesting on the atlantic coast and the maurice river, a tributary of delaware bay. earlier research suggested that elevated levels of ddt and polychlorinated biphenyl (pcb) contaminants identified in addled osprey eggs contributed to this ... | 2001 | 11243331 |
| seroepizootiology of selected infectious disease agents in free-living birds of prey in germany. | four hundred forty-eight blood plasma samples from free-living birds of prey from berlin and the brandenburg area in eastern germany were tested for antibodies against newcastle disease virus (ndv), falcon herpesvirus (fhv), owl herpesvirus (ohv), and chlamydia psittaci. antibodies to ndv were detected in 6 (2%) of 346 tested diurnal birds of prey, whereas none of the owls (n = 55) was positive. the positive samples originated from two common buzzards (buteo buteo), three ospreys (pandion haliac ... | 2001 | 11272489 |
| assessment of biological effects of chlorinated hydrocarbons in osprey chicks. | osprey (pandion haliaetus) eggs were collected during 1995 and 1996 at seven sites along the fraser and columbia river systems of british columbia, canada, and washington and oregon, usa. fifty-four eggs were placed into a laboratory incubator. thirty-eight of the hatched chicks were sacrificed within 24 h. hatching success did not differ among sites and therefore between treatment and reference areas. residual yolk sacs of eggs collected downstream of the large bleached-kraft pulp mill at castl ... | 2001 | 11345464 |
| osprey revival from ddt complete in chesapeake bay. | | 2001 | 11436813 |
| uncertainty and variability in risk from trophic transfer of contaminants in dredged sediments. | the risks associated with bioaccumulative contaminants must be considered when evaluating dredged material disposal alternatives. the bioaccumulation of organochlorines and other contaminants by higher trophic level organisms represents one of the most significant sources of uncertainty in risk assessment. both population variability (e.g. true population heterogeneity in body weight, lipid content, etc.) and uncertainty (e.g. measurement error) in trophic transfer can lead to large errors in pr ... | 2001 | 11453301 |
| [temporal distribution of diurnal rapacious birds in "playón de mismaloya" reservation, jalisco, mexico]. | diurnal raptors were counted monthly in the "playón de mismaloya", reserve, jalisco, mexico, from november 1997 to october 1998. we identified 11 species; eight of them migrants, one resident and two resident with migrant populations. the highest increase in total number of individuals was from december to march, influenced mainly by the presence of caracara polancus (crested caracara), falco sparverius (american kestrel) and pandion haliaetus (osprey). the two former species were observed frequ ... | 2000 | 11487921 |
| strong genetic divergence among populations of a marine fish with limited dispersal, acanthochromis polyacanthus, within the great barrier reef and the coral sea. | acanthochromis polyacanthus is an unusual tropical marine damselfish that uniquely lacks pelagic larvae and has lost the capacity for broad-scale dispersal among coral reefs. on the modern great barrier reef (gbr), three color morphs meet and hydridize at two zones of secondary contact. allozyme electrophoreses revealed strong differences between morphs from the southern zone but few differences between morphs from the northern counterpart, thus suggesting different contact histories. we explore ... | 2001 | 11794786 |
| organochlorines in egg samples from norwegian birds of prey: congener-, isomer- and enantiomer specific considerations. | the content of chlorinated persistent organic pollutants was determined in a total of 44 egg samples from 8 different raptor species collected throughout norway in the period 1991-1997. the content of 8 chlorinated bornanes, 9 chlorinated pesticides, and 15 polychlorinated biphenyl congeners (pcb) were determined. the highest average concentrations for pcb were found for eggs from white-tailed sea eagle and peregrine falcon (average sum pcb concentration: 8.9 and 9.1 microg/g wet weight (w.w.), ... | 2002 | 12150443 |
| osprey: a network visualization system. | we have developed a software platform called osprey for visualization and manipulation of complex interaction networks. osprey builds data-rich graphical representations that are color-coded for gene function and experimental interaction data. mouse-over functions allow rapid elaboration and organization of network diagrams in a spoke model format. user-defined large-scale data sets can be readily combined with osprey for comparison of different methods. | 2002 | 12537552 |
| the grid: the general repository for interaction datasets. | we have developed a relational database, called the general repository for interaction datasets (the grid; http://biodata.mshri.on.ca/grid) to archive and display physical, genetic and functional interactions. the grid displays data-rich interaction tables for any protein of interest, combines literature-derived and high throughput interaction datasets, and is readily accessible via the world wide web. interactions parsed in the grid can be viewed in graphical form with a versatile visualization ... | 2002 | 12537553 |
| osprey: a network visualization system. | we have developed a software platform called osprey for visualization and manipulation of complex interaction networks. osprey builds data-rich graphical representations that are color-coded for gene function and experimental interaction data. mouse-over functions allow rapid elaboration and organization of network diagrams in a spoke model format. user-defined large-scale datasets can be readily combined with osprey for comparison of different methods. | 2003 | 12620107 |
| the grid: the general repository for interaction datasets. | we have developed a relational database, called the general repository for interaction datasets (the grid) to archive and display physical, genetic and functional interactions. the grid displays data-rich interaction tables for any protein of interest, combines literature-derived and high-throughput interaction datasets, and is readily accessible via the web. interactions parsed in the grid can be viewed in graphical form with a versatile visualization tool called osprey. | 2003 | 12620108 |
| chlorinated hydrocarbon contamination in osprey eggs and nestlings from the canadian great lakes basin, 1991-1995. | populations of osprey (pandion haliaetus) in the great lakes basin declined dramatically during the 1950s-1970s due largely to adverse effects of persistent chlorinated hydrocarbons, ingested in their fish prey, on eggshell thickness and adult survival. nevertheless, these contaminants were not measured in osprey tissues during the decades of decline on the canadian great lakes. between 1991 and 1995, we monitored recovering osprey populations on the great lakes, including georgian bay and the s ... | 2003 | 12739869 |
| biomagnification factors (fish to osprey eggs from willamette river, oregon, u.s.a.) for pcdds, pcdfs, pcbs and oc pesticides. | a migratory population of 78 pairs of osprey (pandion haliaetus) nesting along the willamette river in western oregon was studied in 1993. the study was designed to determine contaminant concentrations in eggs, contaminant concentrations in fish species predominant in the ospreys diet, and biomagnification factors (bmfs) of contaminants from fish species eaten to osprey eggs. ten osprey eggs and 25 composite samples of fish (3 species) were used to evaluate organochlorine (oc) pesticides, polych ... | 2003 | 12807265 |
| use of an integrated mercury food web model for ecological risk assessment. | we developed an integrated food web model for mercury, using the cats (contaminants in aquatic and terrestrial ecosytems) model developed by traas and co-workers (traas, t.p.; stäb, j.a.; kramer, p.r.g.; cofino, w.p.; aldenberg, t. modeling and risk assessment of tributyltin accumulation in the food web of a shallow freshwater lake. environ. sci. technol. 1996, 30 (4), 1227-1237). it was translated into the matlab mathematical programming language and been adapted for the modeling of mercury. me ... | 2003 | 12916846 |
| bird orientation: compensation for wind drift in migrating raptors is age dependent. | despite the potentially strong effect of wind on bird orientation, our understanding of how wind drift affects migrating birds is still very limited. using data from satellite-based radio telemetry, we analysed the effect of changing winds on the variation of the track direction of individual birds. we studied adults and juveniles of two raptor species, osprey pandion haliaetus and honey buzzard pernis apivorus, on autumn migration between north europe and africa, and demonstrate an important di ... | 2003 | 12952622 |
| paradilepis rugovaginosus n. sp. (cestoda: dilepididae) from the osprey, with notes on the genus oligorchis fuhrmann, 1906. | | 1954 | 13131178 |
| determination of alkylphenol and alkylphenolethoxylates in biota by liquid chromatography with detection by tandem mass spectrometry and fluorescence spectroscopy. | a quantitative method for the simultaneous determination of octylphenol, nonylphenol and the corresponding ethoxylates (1 to 5) in biota is presented. extraction methods were developed for egg and fish matrices based on accelerated solvent extraction followed by a solid-phase extraction cleanup, using octadecylsilica or aminopropyl cartridges. identification and quantitation were accomplished by liquid chromatography-electrospray tandem mass spectrometry (lc-ms-ms) and compared to the traditiona ... | 2003 | 14503813 |
| are melanized feather barbs stronger? | melanin has been associated with increased resistance to abrasion, decreased wear and lowered barb breakage in feathers. but, this association was inferred without considering barb position along the rachis as a potentially confounding variable. we examined the cross-sectional area, breaking force, breaking stress, breaking strain and toughness of melanized and unmelanized barbs along the entire rachis of a primary feather from an osprey (pandion haliaetus). although breaking force was higher fo ... | 2004 | 14668312 |
| isolation of newcastle disease virus from the osprey and the parakeet. | | 1952 | 14907529 |
| the tail feathers of osprey nestlings (pandion haliaetus l.) as indicators of change in mercury load in the environment of southern sweden (1969-1998): a case study with a note on the simultaneous intake of selenium. | the tail feathers of 104 osprey nestlings (pandion haliaetus) from lake asnen, southern sweden, were analyzed for total mercury and selenium content. concentrations of mercury in feathers from the western part of the lake fell during the period 1969-1998, when pollution from industrial mercury had decreased and a paper mill upstream of the lake was closed down in 1979. nestlings from the eastern part of the lake had initially lower levels of mercury, predominantly from atmospheric fallout. the l ... | 2004 | 15151382 |
| contaminant exposure and reproductive success of ospreys (pandion haliaetus) nesting in chesapeake bay regions of concern. | the chesapeake bay osprey population has more than doubled in size since restrictions were placed on the production and use of ddt and other toxic organochlorine contaminants in the 1970s. ospreys are now nesting in the most highly polluted portions of the bay. in 2000 and 2001, contaminant exposure and reproduction were monitored in ospreys nesting in regions of concern, including baltimore harbor and the patapsco river, the anacostia and middle potomac rivers, and the elizabeth river, and a pr ... | 2004 | 15346786 |
| osprey: a comprehensive tool employing novel methods for the design of oligonucleotides for dna sequencing and microarrays. | we have developed a software package called osprey for the calculation of optimal oligonucleotides for dna sequencing and the creation of microarrays based on either pcr-products or directly spotted oligomers. it incorporates a novel use of position-specific scoring matrices, for the sensitive and specific identification of secondary binding sites anywhere in the target sequence. using accelerated hardware is faster and more efficient than the traditional pairwise alignments used in most oligo-d ... | 2004 | 15456895 |
| influence of land runoff on rates and agents of bioerosion of coral substrates. | annually large volumes of fresh water laden with sediment are washed down the daintree river in north queensland into the great barrier reef lagoon. to investigate the effects of land runoff on bioerosion, samples of recently killed colonies of porites were laid at 6 sites on a cross shelf transect from snapper island at the entrance to the river to osprey reef, approximately 328 km from the river mouth out in the coral sea. rates and agents of bioerosion were determined over 4 years and inshore ... | 2005 | 15757742 |
| effects of contaminant exposure on reproductive success of ospreys (pandion haliaetus) nesting in delaware river and bay, usa. | despite serious water-quality problems and pollutant loading and retention, delaware river and bay (usa) provide important wildlife habitat. in 2002, we conducted a comprehensive evaluation of contaminant exposure and reproduction of ospreys (pandion haliaetus) breeding in delaware river and bay. sample eggs were collected from 39 nests and analyzed for organochlorine pesticides, polychlorinated biphenyls (pcbs), and mercury; a subset of 15 eggs was analyzed for perfluorinated compounds and poly ... | 2005 | 15779762 |
| the therapeutic potential of chemokine-toxin fusion proteins. | activated cells of the immune system and the biochemical mediators they produce, underlie the pathology and secondary tissue damage in a wide range of diseases and traumas. one approach to therapy is to inhibit specific mediators in various biochemical pathways or cascades with the use of biological response modifiers. an alternative approach is to suppress or eradicate diseased cells or activated cells that fuel the disease and secondary tissue damage processes. osprey has chosen to develop nov ... | 2001 | 16015483 |
| retrospective ecotoxicological data and current information needs for terrestrial vertebrates residing in coastal habitat of the united states. | the contaminant exposure and effects-terrestrial vertebrates (cee-tv) database was developed to conduct simple searches for ecotoxicological information, examine exposure trends, and identify significant data gaps. the cee-tv database contains 16,696 data records on free-ranging amphibians, reptiles, birds, and mammals residing in estuarine and coastal habitats of the atlantic, gulf, and pacific coasts, alaska, hawaii, and the great lakes. information in the database was derived from over 1800 s ... | 2005 | 16075359 |
| polybrominated diphenyl ether trends in eggs of marine and freshwater birds from british columbia, canada, 1979-2002. | temporal, spatial, and interspecific trends in polybrominated diphenyl ether (pbde) flame retardants were determined in eggs of marine and freshwater bird species from the province of british columbia, canada. temporal trends in the fraser river estuary, 1983-2002, were examined by analysis of eggs of great blue herons (ardea herodias) and from the strait of georgia marine ecosystem, 1979-2002, in eggs of double-crested cormorants (phalacrocorax auritus). results were compared to those from eggs ... | 2005 | 16124290 |
| assessing mercury exposure and effects to american dippers in headwater streams near mining sites. | to evaluate mercury (hg) exposure and possible adverse effects of hg on american dipper (cinclus mexicanus) reproduction, we collected eggs and nestling feathers and the larval/nymph form of three orders of aquatic macroinvertebrates (ephemeroptera, plecoptera and trichoptera = ept) important in their diet from three major headwater tributaries of the upper willamette river, oregon in 2002. the coast fork willamette river is contaminated with hg due to historical cinnabar (hgs) mining at the bla ... | 2005 | 16160750 |
| brominated flame retardants and other organobromines in norwegian predatory bird eggs. | a set of 62 unhatched eggs was collected from six different predatory bird species throughout norway after incubation period was completed. they were analysed for pbde, pbb, tbbp a and naturally occurring halogenated compounds. bde 47, 99 and 153 were the dominating congeners, with species dependent pbde patterns. bde 153 was observed as the most abundant congener in eggs of peregrine falcon, golden eagle and merlin. the highest pbde level (sum of nine congeners) was found in eggs of white-taile ... | 2005 | 16182862 |
| biogrid: a general repository for interaction datasets. | access to unified datasets of protein and genetic interactions is critical for interrogation of gene/protein function and analysis of global network properties. biogrid is a freely accessible database of physical and genetic interactions available at http://www.thebiogrid.org. biogrid release version 2.0 includes >116 000 interactions from saccharomyces cerevisiae, caenorhabditis elegans, drosophila melanogaster and homo sapiens. over 30 000 interactions have recently been added from 5778 source ... | 2006 | 16381927 |
| comparison of wing morphology in three birds of prey: correlations with differences in flight behavior. | flight is the overriding characteristic of birds that has influenced most of their morphological, physiological, and behavioral features. flight adaptations are essential for survival in the wide variety of environments that birds occupy. therefore, locomotor structure, including skeletal and muscular characteristics, is adapted to reflect the flight style necessitated by different ecological niches. red-tailed hawks (buteo jamaicensis) soar to locate their prey, cooper's hawks (accipiter cooper ... | 2006 | 16477604 |
| dacthal and chlorophenoxy herbicides and chlorothalonil fungicide in eggs of osprey (pandion haliaetus) from the duwamish-lake washington-puget sound area of washington state, usa. | current-use chlorophenoxy herbicides including 2,4-dichlorophenoxyacetic acid, dicamba, triclopyr, dicamba, dimethyl tetrachloroterephthalate (dcpa or dacthal), and the metabolite of pyrethroids, 3-phenoxybenzoic acid (3-pba), and the fungicide, chlorothalonil, were investigated in the eggs of osprey (pandion haliaetus) that were collected from 15 sites from five study areas puget sound/seattle area of washington state, usa. dcpa differs from acidic chlorophenoxy herbicides, and is not readily h ... | 2007 | 16707197 |
| visualizing networks. | an interrelated set of genes or proteins can be represented effectively as a network that describes physical interactions, regulatory relationships, or metabolic pathways. visualizing a network can be a helpful method to extract biological meaning and to generate testable hypotheses about large-scale biological data. this chapter describes some potential rationales for visualizing networks of microarray and other data types, which can be integrated and filtered to show potentially significant re ... | 2006 | 16939803 |
| mitochondrial genomes and avian phylogeny: complex characters and resolvability without explosive radiations. | we improve the taxon sampling for avian phylogeny by analyzing 7 new mitochondrial genomes (a toucan, woodpecker, osprey, forest falcon, american kestrel, heron, and a pelican). this improves inference of the avian tree, and it supports 3 major conclusions. the first is that some birds (including a parrot, a toucan, and an osprey) exhibit a complete duplication of the control region (cr) meaning that there are at least 4 distinct gene orders within birds. however, it appears that there are regio ... | 2007 | 17062634 |
| evaluation of population-level ecological risks of dioxin-like polychlorinated biphenyl exposure to fish-eating birds in tokyo bay and its vicinity. | population-level assessments of the ecological risks of dioxin-like polychlorinated biphenyl (pcb) exposure to fish-eating birds in tokyo bay and its vicinity were performed to judge the need for risk management measures to protect aquatic wildlife from dioxin-like pcb contamination. egg mortality risk and changes in the population growth rate (lambda) in relation to the contamination levels of dioxin-like pcbs in eggs of gray heron (ardea cinerea), great cormorant (phalacrocorax carbo), osprey ... | 2007 | 17283596 |
| pathology and epidemiology of natural west nile viral infection of raptors in georgia. | carcasses from 346 raptors found between august 2001 and december 2004 were tested for west nile virus (wnv) using virus isolation and immunohistochemistry; 40 were positive for wnv by one or both methods. of these 40 birds, 35 had histologic lesions compatible with wnv infection, one had lesions possibly attributable to wnv, and four had no histologic evidence of wnv. the most common histologic lesions associated with wnv infection were myocardial inflammation, necrosis, and fibrosis; skeletal ... | 2007 | 17495305 |
| satellite telemetry and prey sampling reveal contaminant sources to pacific northwest ospreys. | migratory behavior can be an important factor in determining contaminant exposure in avian populations. accumulation of organochlorine (oc) pesticides while birds are wintering in tropical regions has been cited often as the reason for high concentrations in migrant populations. to explore this issue, we satellite tracked 16 ospreys (pandion haliaetus) over the period 1996-2003 from breeding sites in british columbia, canada, and integrated the results into a database on 15 ospreys that were sat ... | 2007 | 17555230 |
| concentrations of metals in blood and feathers of nestling ospreys (pandion haliaetus) in chesapeake and delaware bays. | in 2000, 2001, and 2002, blood and feather samples were collected from 40-45-day-old nestling ospreys (pandion haliaetus) from chesapeake bay and delaware bay and river. concentrations of 18 metals, metalloids, and other elements were determined in these samples by inductively coupled plasma-mass spectroscopy, and hg concentrations were measured by cold vapor atomic absorption spectroscopy. when compared to concurrent reference areas (south, west, and rhode rivers), mean as and hg concentrations ... | 2008 | 17763889 |
| osprey distribution, abundance, reproductive success and contaminant burdens along lower columbia river, 1997/1998 versus 2004. | the osprey (pandion haliaetus) population nesting along the lower portion of the columbia river (river mile 29 to 286) increased from 94 in 1997 to 103 occupied nests in 1998 (9.6% annual rate of increase) to 225 occupied nests in 2004 (13.9% annual rate of increase). the more recent rate of population increase was associated with higher reproductive rates than in 1997/1998, and significantly lower egg concentrations of most organochlorine (oc) pesticides, polychlorinated biphenyls (pcbs), polyc ... | 2008 | 17926083 |
| the biogrid interaction database: 2008 update. | the biological general repository for interaction datasets (biogrid) database (http://www.thebiogrid.org) was developed to house and distribute collections of protein and genetic interactions from major model organism species. biogrid currently contains over 198 000 interactions from six different species, as derived from both high-throughput studies and conventional focused studies. through comprehensive curation efforts, biogrid now includes a virtually complete set of interactions reported to ... | 2008 | 18000002 |
| paradilepis simoni n. sp., a cestode parasitic in the osprey (cestoda : dilepididae). | | 1949 | 18129468 |
| species differences in the sensitivity of avian embryos to methylmercury. | we injected doses of methylmercury into the air cells of eggs of 26 species of birds and examined the dose-response curves of embryo survival. for 23 species we had adequate data to calculate the median lethal concentration (lc(50)). based on the dose-response curves and lc(50)s, we ranked species according to their sensitivity to injected methylmercury. although the previously published embryotoxic threshold of mercury in game farm mallards (anas platyrhynchos) has been used as a default value ... | 2009 | 18421496 |
| density dependence in a recovering osprey population: demographic and behavioural processes. | 1. understanding how density-dependent and independent processes influence demographic parameters, and hence regulate population size, is fundamental within population ecology. we investigated density dependence in growth rate and fecundity in a recovering population of a semicolonial raptor, the osprey pandion haliaetus [linnaeus, 1758], using 31 years of count and demographic data in corsica. 2. the study population increased from three pairs in 1974 to an average of 22 pairs in the late 1990s ... | 2008 | 18564291 |
| metal concentrations in osprey (pandion haliaetus) populations in the florida bay estuary. | mercury and trace metal contamination is a concern in the florida bay estuary, but the effects on biological pathways are not very well understood. the analysis of mercury and trace metals (beryllium, vanadium, chromium, cobalt, nickel, copper, arsenic, cadmium, antimony, and lead) was conducted on tissues of adult and juvenile osprey (pandion haliaetus) to examine the bioaccumulation and distribution in florida bay. mercury concentrations were found at levels associated with decreased reproduct ... | 2008 | 18622699 |
| pcdds, pcdfs, pcbs, oc pesticides and mercury in fish and osprey eggs from willamette river, oregon (1993, 2001 and 2006) with calculated biomagnification factors. | the osprey (pandion haliaetus) population nesting along the main stem willamette river and lower santiam river was first studied to evaluate contaminants and reproductive rates in 1993 when 78 occupied nests were present. by 2001, the population increased to 234 occupied nests, a 13.7% annual rate of population increase. a sample egg was collected from each of a series of nests along the upper river (river mile 55-187) in 1993, 2001 and 2006 to evaluate trends of persistent contaminants (organoc ... | 2009 | 18830817 |
| monitoring of raptors and their contamination levels in norway. | this article summarizes results from raptor monitoring and contamination studies in norway of the golden eagle, gyrfalcon, white-tailed sea eagle, osprey, peregrine, and merlin. golden eagle and gyrfalcon populations have been monitored since 1990 as part of the "monitoring programme for terrestrial ecosystems" (tov). no long-term trend in the population size or productivity of golden eagle has been shown in any of the 5 study areas. the reproductive output of gyrfalcon is monitored in 3 areas. ... | 2008 | 18833794 |
| persistence of organochlorine chemical residues in fish from the tombigbee river (alabama, usa): continuing risk to wildlife from a former ddt manufacturing facility. | organochlorine pesticide and total polychlorinated biphenyl (pcb) concentrations were measured in largemouth bass from the tombigbee river near a former ddt manufacturing facility at mcintosh, alabama. evaluation of mean p,p'- and o,p'-ddt isomer concentrations and o,p'- versus p,p'-isomer proportions in mcintosh bass indicated that ddt is moving off site from the facility and into the tombigbee river. concentrations of p,p'-ddt isomers in mcintosh bass remained unchanged from 1974 to 2004 and w ... | 2009 | 18851891 |
| pcb accumulation in osprey exposed to local sources in lake sediment. | we examined the accumulation of pcbs in ospreys (pandion haleaetus) that were exposed to local sediment sources. eggs, chick plasma, and sediment samples were collected over a range of 14 km (0.2-14.2 km) from a pcb source in sturgeon lake, on. sum pcb concentrations declined in chick plasma (range 422.5-58.3 ng/g) as distance from the pcb source increased, but there was a poor relationship with sum pcbs in eggs. both tissues indicated an aroclor 1248/1254 source. aroclor 1254 comprised an avera ... | 2009 | 18977572 |
| toward resolving deep neoaves phylogeny: data, signal enhancement, and priors. | we report three developments toward resolving the challenge of the apparent basal polytomy of neoavian birds. first, we describe improved conditional down-weighting techniques to reduce noise relative to signal for deeper divergences and find increased agreement between data sets. second, we present formulae for calculating the probabilities of finding predefined groupings in the optimal tree. finally, we report a significant increase in data: nine new mitochondrial (mt) genomes (the dollarbird, ... | 2009 | 18981298 |
| osprey: worldwide sentinel species for assessing and monitoring environmental contamination in rivers, lakes, reservoirs, and estuaries. | in the united states, many fish and wildlife species have been used nationwide to monitor environmental contaminant exposure and effects, including carcasses of the bald eagle (haliaeetus leucocephalus), the only top avian predator regularly used in the past. unfortunately, bald eagles are sensitive to investigator intrusion at the nest. thus, the osprey (pandion haliaetus) is evaluated as a potential sentinel species for aquatic ecosystems. several characteristics support the choice of the ospr ... | 2009 | 19117208 |
| [digenea of haliaeetus albicilla (linnaeus, 1758) and pandion haliaetus (linnaeus, 1758) from middle and north-western poland]. | in 2003-2008 eight white-tailed eagles and two ospreys from middle and north-western poland were examined for the presence of parasites. nine birds were infected with 5 digenean species: conodiplostomum perlatum, paracoenogonimus ovatus, strigeafalconis, metorchis crassiusculus and nematostrigea serpens. m. crassiusculus was found for the first time in an eagle from poland. | 2008 | 19338229 |
| mercury residues and productivity in osprey and grebes from a mine-dominated ecosystem. | mercury (hg) and reproduction and status of western and clark's grebes (aechmophorus sp.) and osprey (pandion haliaetus) were studied from 1992 through 2001 and then less intensely through 2006 at clear lake, california, usa. remediation to reduce hg loading from the sulphur bank mercury mine was initiated in 1992. mercury in grebe feathers declined monotonically from approximately 23 mg/kg dry mass (dm) in 1967-1969 to 1 mg/kg in 2003, but then increased to 7 mg/kg in 2004-2006. mercury in ospr ... | 2008 | 19475927 |
| polybrominated diphenyl ether flame retardants in eggs may reduce reproductive success of ospreys in oregon and washington, usa. | spatial and temporal assessments and reports of polybrominated diphenyl ether (pbde) flame retardants in birds remain sparse. in the present study, pbdes were detected in all 120 osprey (pandion haliaetus) eggs collected. the eggs were collected from nests along the columbia, willamette and yakima rivers of oregon (or) and washington (wa) and in puget sound (wa) between 2002 and 2007. pbde congeners: 17, 28, 47, 49, 66, 85, 99, 100, 138, 153, 154 (possible coelution with brominated biphenyl 153 ... | 2009 | 19513829 |
| species-specific accumulation of polybrominated diphenyl ether flame retardants in birds of prey from the chesapeake bay region, usa. | compared to organochlorines, little is known about polybrominated diphenyl ether (pbde) contamination of birds of prey breeding in the chesapeake bay, the largest estuary in the u.s. this study examined and compared pbde contamination in eggs of osprey, double-crested cormorant, brown pelican and peregrine falcon from this area. several legacy persistent organic pollutants such as pcbs and dde were also investigated. the level of urbanization of the landscape appeared to influence the level of p ... | 2010 | 19948372 |
| how hazardous is the sahara desert crossing for migratory birds? indications from satellite tracking of raptors. | we investigated the risk associated with crossing the sahara desert for migrating birds by evaluating more than 90 journeys across this desert by four species of raptors (osprey pandion haliaetus, honey buzzard pernis apivorus, marsh harrier circus aeruginosus and eurasian hobby falco subbuteo) recorded by satellite telemetry. forty per cent of the crossings included events of aberrant behaviours, such as abrupt course changes, slow travel speeds, interruptions, aborted crossings followed by ret ... | 2010 | 19955169 |
| mortality and morbidity associated with gunshot in raptorial birds from the province of quebec: 1986 to 2007. | although raptors have been protected for decades in quebec they are still regular victims of poaching. the objective of this study was to characterize cases of raptor shootings in quebec over the last 2 decades. we reviewed clinical files, radiographs, and pathology reports on 4805 free-flying birds of prey admitted to the faculté de médecine vétérinaire between 1986 and 2007. evidence of gunshots was detected in 6.4% of the birds. large species, such as ospreys, turkey vultures, snowy owls, and ... | 2010 | 20357944 |
| histologic structure of the uropygial gland of the osprey (pandion haliaetus). | this study was performed to determine the histologic structure of the uropygial gland in an osprey. the gland was composed of two elongated lobes which were enclosed in a capsule of connective tissue. each lobe of the gland had a large central cavity with one excretory duct. the secretory tubules consisted of four cell types: basal, intermediate, secretory, and degenerative. the intermediate cells in the osprey were few in number and did not form a layer, while secretory and degenerative cells c ... | 2010 | 20722270 |
| incidence of organochlorine pesticides and the health condition of nestling ospreys (pandion haliaetus) at laguna san ignacio, a pristine area of baja california sur, mexico. | we identified and quantified organochlorine (oc) pesticide residues in the plasma of 28 osprey (pandion haliaetus) nestlings from a dense population in laguna san ignacio, a pristine area of baja california sur, mexico, during the 2001 breeding season. sixteen oc pesticides were identified and quantified. α-, β-, δ- and γ-hexachlorocyclohexane, heptaclor, heptachlor epoxide, endosulfan i and ii, endosulfan-sulfate, p,p'-dde, p,p'-ddd, aldrin, dieldrin, endrin, endrin aldehyde, and endrin ketone ... | 2010 | 20949316 |
| geographical and temporal flexibility in the response to crosswinds by migrating raptors. | wind and ocean currents may potentially have important effects on travelling animals, as an animal which does not respond to lateral flow will be drifted from its intended direction of movement. by analysing daily movements of migrating ospreys pandion haliaetus and marsh harriers circus aeruginosus, as recorded by satellite telemetry, in relation to global wind data, we showed that these raptors allow on average 47 per cent drift. furthermore, our analyses revealed significant geographical and ... | 2010 | 20980299 |
| north american osprey populations and contaminants: historic and contemporary perspectives. | osprey (pandion haliaetus) populations were adversely affected by ddt and perhaps other contaminants in the united states and elsewhere. reduced productivity, eggshell thinning, and high dde concentrations in eggs were the signs associated with declining osprey populations in the 1950s, 1960s, and 1970s. the species was one of the first studied on a large scale to bring contaminant issues into focus. although few quantitative population data were available prior to the 1960s, many osprey populat ... | 2010 | 21170810 |
| wastewater dilution index partially explains observed polybrominated diphenyl ether flame retardant concentrations in osprey eggs from columbia river basin, 2008-2009. | several polybrominated biphenyl ether (pbde) congeners were found in all 175 osprey (pandion haliaetus) eggs collected from the columbia river basin between 2002 and 2009. spbde concentrations in 2008-2009 were highest in osprey eggs from the two lowest flow rivers studied; however, each river flowed through relatively large and populous metropolitan areas (boise, idaho and spokane, washington). we used the volume of wastewater treatment plant (wwtp) discharge, a known source of pbdes, as a meas ... | 2011 | 21340556 |
| nautilus pompilius life history and demographics at the osprey reef seamount, coral sea, australia. | nautiloids are the subject of speculation as to their threatened status arising from the impacts of targeted fishing for the ornamental shell market. life history knowledge is essential to understand the susceptibility of this group to overfishing and to the instigation of management frameworks. this study provides a comprehensive insight into the life of nautilus in the wild. at osprey reef from 1998-2008, trapping for nautilus was conducted on 354 occasions, with 2460 individuals of one specie ... | 2011 | 21347356 |
| nautilus at risk--estimating population size and demography of nautilus pompilius. | the low fecundity, late maturity, long gestation and long life span of nautilus suggest that this species is vulnerable to over-exploitation. demand from the ornamental shell trade has contributed to their rapid decline in localized populations. more data from wild populations are needed to design management plans which ensure nautilus persistence. we used a variety of techniques including capture-mark-recapture, baited remote underwater video systems, ultrasonic telemetry and remotely operated ... | 2011 | 21347360 |
| vertical distribution and migration patterns of nautilus pompilius. | vertical depth migrations into shallower waters at night by the chambered cephalopod nautilus were first hypothesized early in the early 20(th) century. subsequent studies have supported the hypothesis that nautilus spend daytime hours at depth and only ascend to around 200 m at night. here we challenge this idea of a universal nautilus behavior. ultrasonic telemetry techniques were employed to track eleven specimens of nautilus pompilius for variable times ranging from one to 78 days at osprey ... | 2011 | 21364981 |
| a comparative study on the histological structure of the spleen in the ostrich (struthio camelus), the kestrel (falco tinnunculus) and the osprey (pandion haliaetus). | the spleen structurally and functionally belongs to the hematopoietic organs and is also an important component of the reticuloendothelial system, which is known to play a major role in host defense. the histological structure of the spleen was investigated in the ostrich, a non-flying bird, the kestrel, a raptor, and the osprey, a fish-eating bird of prey (fish eagle). for this purpose, mallory's modified triple stain, methyl green-pyronin and silver stain were used. germinal centers were not p ... | 2011 | 21555263 |
| Mercury and Other Mining-Related Contaminants in Ospreys Along the Upper Clark Fork River, Montana, USA. | We investigated links between mining-related contaminants in river sediment and their occurrence in nestling ospreys (Pandion haliaetus) in the Clark Fork River Basin, Montana, USA. Blood and feather samples from 111 osprey chicks were collected during 4 years from nests along river sections with greatly different sediment concentrations of arsenic (As), cadmium (Cd), copper (Cu), lead (Pb), zinc (Zn), and mercury (Hg). No significant differences between river sections were found among Zn (3,150 ... | 2011 | 22116583 |
| evaluation of organochlorine compounds (pcdds, pcdfs, pcbs and ddts) in two raptor species inhabiting a mediterranean island in spain (8 pp). | -: doi: http://dx.doi.org/10.1065/espr2006.01.015 | 2007 | 21959542 |
| tissue concentrations of pesticides, pcbs and metals among ospreys, pandion haliaetus, collected in france. | in this study, osprey (pandion haliaetus) tissues collected in france were used for contaminants analyses by a non-invasive approach. 53 pesticides (organochlorine, organophosphate, carbamate, pyrethroids, herbicides, anticoagulant rodenticides), 13 pcbs, and 5 metals (mercury, lead, cadmium, copper and arsenic) were quantified in liver of 14 individual samples. pcbs and mercury were frequent (mean 0.5 mg/kg, range < d.l.-2.6 mg/kg and mean 3.4 mg/kg, range < d.l.-16.3 mg/kg wet weight, respecti ... | 2011 | 22057229 |
| concentrations of retinol, 3,4-didehydroretinol, and retinyl esters in plasma of free-ranging birds of prey. | this study investigated vitamin a compounds in the plasma of healthy free-ranging central european raptors with different feeding strategies. plasma samples of nestlings of white-tailed sea eagle [white-tailed sea eagle (wtse), haliaeetus albicilla) (n = 32), osprey (pandion haliaetus) (n = 39), northern goshawk (accipiter gentilis) (n = 25), common buzzard (buteo buteo) (n = 31), and honey buzzard (pernis apivorus) (n = 18) and adults of wtse (n = 10), osprey (n = 31), and northern goshawk (n = ... | 2011 | 21895779 |
| seropositivity and risk factors associated with toxoplasma gondii infection in wild birds from spain. | toxoplasma gondii is a zoonotic intracellular protozoan parasite of worldwide distribution that infects many species of warm-blooded animals, including birds. to date, there is scant information about the seropositivity of t. gondii and the risk factors associated with t. gondii infection in wild bird populations. in the present study, t. gondii infection was evaluated on sera obtained from 1079 wild birds belonging to 56 species (including falconiformes (n = 610), strigiformes (n = 260), ciconi ... | 2011 | 22216311 |
| differential exposure of alpine ospreys to mercury: melting glaciers, hydrology or deposition patterns? | mercury (hg) is a global contaminant impacting even remote environments. in alpine watersheds, glacial meltwater is a source of hg, which accumulated in glaciers during the 1960-1980 cooling cycle. the considerable variation observed for hg exposure of alpine animals in proximal watersheds could result from differences among those watersheds in hg loading from glacial meltwater. alternatively, variation may be the result of hydrology, atmospheric hg deposition patterns, or food web characteristi ... | 2011 | 22280924 |
| clinical and cost effectiveness of eight disinfection methods for terminal disinfection of hospital isolation rooms contaminated with clostridium difficile 027. | clostridium difficile spores can survive in the environment for months or years, and contaminated environmental surfaces are important sources of nosocomial c. difficile transmission. | 2012 | 22902081 |
| [parasites of the osprey (pandion haliaetus) in northwestern russia]. | new data on ospey parasites in karelian republic are given. one specimen was investigated. two parasite species--nematostrigea serpens and diplostomum pseudospathaceum were found. trematoda d. pseudospathaceum was recorded in osprey parasite fauna for the first time. | 2014 | 24455873 |
| intermolecular interactions of the malate synthase of paracoccidioides spp. | the fungus paracoccidioides spp is the agent of paracoccidioidomycosis (pcm), a pulmonary mycosis acquired by the inhalation of fungal propagules. paracoccidioides malate synthase (pbmls) is important in the infectious process of paracoccidioides spp because the transcript is up-regulated during the transition from mycelium to yeast and in yeast cells during phagocytosis by murine macrophages. in addition, pbmls acts as an adhesin in paracoccidioides spp. the evidence for the multifunctionality ... | 2013 | 23672539 |
| osprey predicts resistance mutations using positive and negative computational protein design. | drug resistance in protein targets is an increasingly common phenomenon that reduces the efficacy of both existing and new antibiotics. however, knowledge of future resistance mutations during pre-clinical phases of drug development would enable the design of novel antibiotics that are robust against not only known resistant mutants, but also against those that have not yet been clinically observed. computational structure-based protein design (cspd) is a transformative field that enables the pr ... | 2017 | 27914058 |
| protein design algorithms predict viable resistance to an experimental antifolate. | methods to accurately predict potential drug target mutations in response to early-stage leads could drive the design of more resilient first generation drug candidates. in this study, a structure-based protein design algorithm (k* in the osprey suite) was used to prospectively identify single-nucleotide polymorphisms that confer resistance to an experimental inhibitor effective against dihydrofolate reductase (dhfr) from staphylococcus aureus. four of the top-ranked mutations in dhfr were found ... | 2015 | 25552560 |
| antibody prevalence and isolation of viable toxoplasma gondii from raptors in the southeastern usa. | raptors are good indicators of the prevalence of toxoplasma gondii in the environment because they prey on small mammals and birds. these prey species are a major source of infection in domestic cats ( felis catus ), which shed the environmentally resistant oocysts. we assessed t. gondii infection in 281 opportunistically available raptors at a rehabilitation facility between 2012 and 2014. antibodies to t. gondii were assayed by a modified agglutination test (cutoff 1:25) and found in serum of ... | 2016 | 27243150 |
| the whole mitochondrial genome of the lesser kestrel (falco naumanni). | falconiformes include most of the predatory birds, they play crucial role in maintaining the balance of ecology system. to further illustrate the phylogenetic status for the species of falconiformes, the entire mitochondrial dna (mtdna) genome of falco naumanni was amplified and sequenced, further phylogenetic analysis was performed by incorporating with other 8 entire mtdna genomes representing 8 species of predatory birds by taking the apus apus and haematopus ater as out-groups. our results i ... | 2016 | 26006284 |
| detection and assessment of electrocution in endangered raptors by infrared thermography. | most european birds of prey find themselves in a poor state of conservation, with electrocution as one of the most frequent causes of unnatural death. since early detection of electrocution is difficult, treatment is usually implemented late, which reduces its effectiveness. by considering that electrocution reduces tissue temperature, it may be detectable by thermography, which would allow a more rapid identification. three individuals from three endangered raptor species [spanish imperial eagl ... | 2013 | 23880357 |