| chemical contaminants, health indicators, and reproductive biomarker responses in fish from the colorado river and its tributaries. | common carp (cyprinus carpio), black bass (micropterus spp.), and channel catfish (ictalurus punctatus) were collected from 14 sites in the colorado river basin (crb) to document spatial trends in accumulative contaminants, health indicators, and reproductive biomarkers. organochlorine residues, 2,3,7,8-tetrachlorodibenzo-p-dioxin-like activity (tcdd-eq), and elemental contaminants were measured in composite samples of whole fish, grouped by species and gender, from each site. selenium (se) and ... | 2007 | 17418376 |
| life history and habitat analysis of the eye fluke diplostomum spathaceum (trematoda: diplostomatidae) in utah. | diplostomum spathaceum which is widespread throughout utah in desert, mountain valley, and high alpine lakes, causes a disease known as diplostomatosis or eye fluke disease. snails (756) were examined and two species, lymnaea stagnalis and l. palustris were positive for d. spathaceum. examination of 838 fish, which included 19 species, revealed 10 species (salmo trutta, catostomus discobulus, salmo clarki, micropterus salmoides, catostomus platyrhynchus, salmo gairdneri, gila atraria, catostomus ... | 1977 | 864559 |