| fish lesions in the chesapeake bay: pfiesteria-like dinoflagellates and other etiologies. | ulcerative lesions and mass mortalities of atlantic estuarine fish, particularly menhaden (brevoortia tyrannus), have been associated with exposure to pfiesteria-like dinoflagellates and their toxins. we collected fish from the chicamacomico river, maryland, and observed solitary ulcerative lesions on the majority of menhaden sampled. one striped bass (morone saxatilis) had an area of reddening around the base of the dorsal fin. bluegill (lepomis machrochirus), channel catfish (ictalurus punctat ... | 1998 | 9601194 |
| total mercury concentrations in lakes and fish of western maryland, usa. | the purpose of this study was to quantify total mercury concentrations in three species of fish in three lakes of western maryland: piney creek reservoir, deep creek lake, and lake habeeb. we measured total mercury concentrations in water from each lake and muscle tissue from 119 fish collected in fall 2000: 15 largemouth bass (micropterus salmoides), 15 yellow perch (perca flavescens), and 15 bluegill (lepomis macrochirus) from the piney creek reservoir; 15 largemouth bass, 15 yellow perch, and ... | 2002 | 11994787 |
| organochlorine residues in finfish from maryland waters 1976-1980. | organochlorine pesticide and herbicide levels were monitored in samples of a variety of edible finfish harvested from the maryland section of the chesapeake bay and its tributaries over a five-year period (1976-80). qualitative and quantitative information was obtained for the various polychlorinated biphenyls (pcb's), heptachlor, alpha-bhc, chlordane, ddd, dde, ddt, dieldrin, endrin, heptachlorepoxide, lindane, mirex, methoxychlor, aldrin, toxaphene, hexachlorobenzene, kepone and dacthal. in ad ... | 2013 | 3937849 |