starting point or solution? community-based marine protected areas in the philippines. | in 1985, in response to declining coral reef conditions, local residents and officials established small, no-take marine sanctuaries on balicasag and pamilacan islands through a community-based process. the implementation of marine protected areas (mpas) on balicasag and pamilacan islands has been a partial success. as a direct result of protection, living hard coral cover has increased by 119% in balicasag's sanctuary and by 67% in the non-sanctuary during the period 1984 to 1999, but balicasag ... | 2002 | 12503498 |
foreign body synovitis induced by a crown-of-thorns starfish. | | 2002 | 11886976 |
[dangerous marine animals]. | sea-biological basic knowledge for divers is offered only in special lessons for advanced scuba divers. according to statistics, however, five per cent of the deadly diving accidents are caused by underwater organisms. this number could be reduced to a fraction, by correct behaviour during the dive and after an accident. the most frequent accidents with sea animals during water sports are not by unprovoked shark attacks, which cause six deaths world-wide per year on the average, but turn out wit ... | 1999 | 11315406 |
[marine life envenomations: example in new caledonia]. | marine life in the waters of new caledonia is extraordinarily rich. however some of the animals inhabiting this wonderland are dangerous including a number of venomous species. a retrospective study conducted at the territorial hospital in noumea for the three-year period between 1995 and 1998 showed that nearly 200 people/year were victims of envenomation by marine animals. findings also indicated that the incidence of envenomation was rising as the practice of marine activities by the local po ... | 1999 | 10701210 |
distribution and sequestration of palytoxin in coral reef animals. | in the reefs off the colombian coast (caribbean sea) and around lizard island, australia (pacific), palytoxin (ptx), which has been detected in zoanthid species of the genus palythoa, also occurred in various other marine organisms living in close association with zoanthid colonies, e.g. sponges (porifera), soft corals (alcyonaria), gorgonians (gorgonaria), mussels, and crustaceans. predators, e.g. polychaete worms (hermodice carunculata), a starfish (acanthaster planci) and fish (chaetodon spec ... | 1999 | 10482387 |
purification and properties of phospholipases a2 from the crown-of-thorns starfish (acanthaster planci) venom. | two phospholipases a < inf2 (named ap-pla2-i and ii) were purified from the crown-of-thorns starfish (acanthaster planci) venom. both enzymes were confirmed to be pla2s, based on the results that they showed hemolytic activity only in the presence of phosphatidylcholine (pc) and also released fluorescent fatty acids from pc with labeled fatty acids at the sn-2 position. the enzyme activity of both pla2s was enhanced by ca2+ but reduced by cu2+ and zn2+. the molecular mass of ap-pla2-i was estima ... | 1998 | 9643471 |
toxins from the starfish acanthaster planci and asterina pectinifera. | | 1997 | 9428101 |
[our investigation on the chemistry of biologically active natural products. with the object of exploitation for structure determination methods, and elucidation of vital function]. | our investigation on the chemistry of biologically active natural products during the last 40 years since 1953 are reviewed in this paper. the following subjects are discussed: i. photochemical relationship between rhodopsin and compounds related to areca alkaloid, ii. furanoid diterpenoid constituents from dioscoreaceae plants and colombo root, iii. field desorption and fast atom bombardment mass spectrometry of biologically active natural glycosides and glycosphingolipids, iv. investigation of ... | 1993 | 8509990 |
lipolytic enzymes of the digestive organs of the crown-of-thorns starfish (acanthaster planci): comparison of the stomach and pyloric caeca. | 1. stomach and pyloric caeca homogenates from the crown-of-thorns starfish hydrolysed p-nitrophenyl esters, alpha-naphthyl esters, cholesteryl oleate and tributyrin. the pyloric caeca contained the highest activities. 2. the p-nitrophenyl acetate hydrolytic activity eluted at 0.23 m nacl on ion exchange chromatography while the p-nitrophenyl palmitate hydrolytic activity eluted between 0.2 and 1.0 m nacl. 3. polyacrylamide gel zymograms for alpha-naphthyl acetate hydrolytic activity revealed one ... | 1989 | 2721155 |
defense by symbiotic crustacea of host corals elicited by chemical cues from predator. | observations and experiments carried out on a coral reef off the pacific coast of panamá demonstrated that shrimp (alpheus lottini) and crab (trapezia spp.) symbionts that protect their host coral (pocillopora elegans) can detect an approaching sea star predator (acanthaster planci) by chemical cues. simulated feeding attacks by acanthaster in sealed transparent bags elicited only 0.5 defensive responses (snipping at spines and tube feet, jerking the sea star, and snapping) per 3 min; defensive ... | 1980 | 28309076 |
identification of 23-demethylacanthasterol in an asteroid, acanthaster planci and its synthesis. | 23-demethylacanthasterol was identified in an asteroid, acanthaster planci, by gc-ms analysis and direct comparison with the synthetic sample prepared from 23-demethylgorgosterol. the sterol composition of a. planci is also described. | 1980 | 6893371 |
hybrid crown-of-thorns starfish (acanthaster planci xa. brevispinus) reared to maturity in the laboratory. | | 1976 | 972678 |
aversive behaviour of crown-of-thorns starfish to coral evoked by food-related chemicals. | | 1976 | 9591 |
isolation and partial characterization of steroid glycosides from the starfish acanthaster planci. | | 1976 | 175992 |
wax digestion in a crown-of-thorns starfish. | | 1975 | 1175363 |
spawning pheromone in crown-of-thorns starfish. | | 1975 | 1117997 |
polychlorinated biphenyls in the seastar acanthaster planci. | | 1973 | 4203182 |
estimating growth and mortality rates from size data. | a method is presented for estimating rates of individual growth and population mortality utilizing average individual size at two times during a year. the model assumes a constant rate of mortality, brody-bertalanffy growth, a stationary age distribution, and recruitment confined to one month each year. a hypothetical example is presented to show the interrelationships of the growth and mortality constants, size at recruitment, asymptotic size and average individual size. three examples are pres ... | 1973 | 28307167 |
organochlorines in the seastar acanthaster planci. | | 1972 | 4669497 |
5 -pregn-9(11)-ene-3 ,6 -diol-20-one and 5 -cholesta-9(11),20(22)-diene-3 ,6 -diol-23-one. two novel steroids from the starfish acanthaster planci. | | 1972 | 5032505 |
crown-of-thorns starfish wounds--some observations on injury sites. | | 2005 | 5033350 |
larval development and metamorphosis of acanthaster planci (asteroidea). | | 1971 | 16063148 |
coral-eating sea stars acanthaster planci in hawaii. | an aggregation of 2 x 10(4) acanthaster planci was observed from september 1969 to november 1970. the sea stars within the aggregation were very uniform in size, and their reproduction was seasonal. their average diameter and weight also varied seasonally in a manner that suggests a correlation between average size and breeding condition. the aggregation remained compactly situated in a band a few to tens of meters wide and about 2 kilometers long, parallel to the shore. the band did not move ap ... | 1971 | 17839824 |
field and laboratory observations of the crown-of-thorns starfish, acanthaster planci. | | 1970 | 5473979 |
triggering of the stomach eversion reflex of acanthaster planci by coral extracts. | | 1970 | 4394408 |
locomotory response of acanthaster planci to various species of coral. | | 1970 | 4394407 |
destruction of pacific corals by the sea star acanthaster planci. | acanthaster planci, a coral predator, is undergoing a population explosion in many areas of the pacific ocean. data on feeding rates, population movements, and stages of infestation were collected along coral reefs of guam and palau. direct observations on destruction of guam's coral reefs indicate that narrow, fringing reefs may be killed as rapidly as 1 kilometer per month. in a 2(1/2)-year period, 90 percent of the coral was killed along 38 kilometers of guam's shoreline. | 1969 | 17814827 |
a dangerous starfish--acanthaster planci (linn'e). | | 1964 | 14144838 |