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Title: Congener specific PCB distribution in lake trout/siscowets and walleye from the Great Lakes

Abstract

Lean lake trout (Salvelinus namaycush) from Lakes Huron, Michigan and Ontario and siscowets (fat lake trout) from Lake Superior as well as walleye (Stizotedium vitreum vitreum) from Lakes Erie, Huron and Michigan were analyzed for 53 PCB congeners commonly found in Aroclor 1254. The average PCB congener pattern is presented for a minimum of 12 fish from each species from each lake and the distribution of PCB congeners among species and lakes is compared. Greater differences were found for the lake source of the lake trout than for the walleye. Lake trout from Lake Ontario had high levels of congener 198. Lake trout from Lakes Huron and Superior also tended to have higher levels of higher chlorinated congeners while lake trout from Lake Michigan had the highest levels of the lower chlorinated congeners. Fewer lake effect differences were found for distribution of PCB congeners for the walleye. Walleye from Lake Huron had a greater percentage of the total PCB congeners with lower chlorination than did lake trout but the pattern of percent of total for lake trout and walleye from Lake Michigan was quite similar.

Authors:
; ; ; ; ; ;  [1]
  1. Michigan State Univ., East Lansing, MI (United States)
Publication Date:
OSTI Identifier:
230845
Report Number(s):
CONF-9511137-
ISBN 1-880611-03-1; TRN: IM9623%%155
Resource Type:
Conference
Resource Relation:
Conference: 2. Society of Environmental Toxicology and Chemistry (SETAC) world conference, Vancouver (Canada), 5-9 Nov 1995; Other Information: PBD: 1995; Related Information: Is Part Of Second SETAC world congress (16. annual meeting): Abstract book. Global environmental protection: Science, politics, and common sense; PB: 378 p.
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 56 BIOLOGY AND MEDICINE, APPLIED STUDIES; GREAT LAKES; WATER POLLUTION; BIOLOGICAL INDICATORS; POLYCHLORINATED BIPHENYLS; BIOLOGICAL ACCUMULATION; TROUT; SENSITIVITY; ECOLOGICAL CONCENTRATION; GENETIC VARIABILITY; SPATIAL DISTRIBUTION

Citation Formats

Zabik, M.J., Zabik, M.E., Booren, A.M., Daubenmire, S., Pascall, M., Dickmann, G., and Khedr, G.. Congener specific PCB distribution in lake trout/siscowets and walleye from the Great Lakes. United States: N. p., 1995. Web.
Zabik, M.J., Zabik, M.E., Booren, A.M., Daubenmire, S., Pascall, M., Dickmann, G., & Khedr, G.. Congener specific PCB distribution in lake trout/siscowets and walleye from the Great Lakes. United States.
Zabik, M.J., Zabik, M.E., Booren, A.M., Daubenmire, S., Pascall, M., Dickmann, G., and Khedr, G.. 1995. "Congener specific PCB distribution in lake trout/siscowets and walleye from the Great Lakes". United States. doi:.
@article{osti_230845,
title = {Congener specific PCB distribution in lake trout/siscowets and walleye from the Great Lakes},
author = {Zabik, M.J. and Zabik, M.E. and Booren, A.M. and Daubenmire, S. and Pascall, M. and Dickmann, G. and Khedr, G.},
abstractNote = {Lean lake trout (Salvelinus namaycush) from Lakes Huron, Michigan and Ontario and siscowets (fat lake trout) from Lake Superior as well as walleye (Stizotedium vitreum vitreum) from Lakes Erie, Huron and Michigan were analyzed for 53 PCB congeners commonly found in Aroclor 1254. The average PCB congener pattern is presented for a minimum of 12 fish from each species from each lake and the distribution of PCB congeners among species and lakes is compared. Greater differences were found for the lake source of the lake trout than for the walleye. Lake trout from Lake Ontario had high levels of congener 198. Lake trout from Lakes Huron and Superior also tended to have higher levels of higher chlorinated congeners while lake trout from Lake Michigan had the highest levels of the lower chlorinated congeners. Fewer lake effect differences were found for distribution of PCB congeners for the walleye. Walleye from Lake Huron had a greater percentage of the total PCB congeners with lower chlorination than did lake trout but the pattern of percent of total for lake trout and walleye from Lake Michigan was quite similar.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = 1995,
month =
}

Conference:
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  • Aquatic ecosystems such as the Great Lakes are known to be contaminated with chemicals that are toxic to fish. However, the role of these contaminants in reproductive failures of fishes, such as lake trout recruitment, has remained controvertible. It was the objective to evaluate dioxin-like embryotoxicity of a complex mixture of chemicals and predict their potential to cause the lack of recruitment in Great Lakes lake trout. Graded doses of a complex environmental extract were injected into eggs of both rainbow trout and lake trout. The extract was obtained from whole adult lake trout collected from Lake Michigan in 1988.more » The extract was embryotoxic in rainbow trout, with LD50 values for Arlee strain and Erwin strain of 33 eggEQ and 14 eggEQ respectively. The LOAEL for hemorrhaging, yolk-sac edema, and craniofacial deformities in rainbow trout were 2, 2, and 4 eggEQ, respectively. Subsequent injections of the extract into lake trout eggs were likewise embryotoxic, with an LD50 value of 7 eggEQ. The LOAEL values for the extract in lake trout for hemorrhaging, yolk-sac edema, and craniofacial deformities were 0.1, 1, and 2 eggEQ, respectively. The current levels of contaminants in lake trout eggs are above the threshold for hemorrhaging and yolk-sac edema. The results also support the use of an additive model of toxicity to quantify PCDDs, PCDFs, Non-o-PCBs, and Mono-o-PCBs in relation to early life stage mortality in Lake Michigan lake trout.« less
  • Sediment cores collected from 9 remote lakes in central and Arctic Canada (49{degree}N to 82{degree}N and from 71{degree} to 136{degree}W) were analyzed for PCBs with the objective of examining latitudinal and temporal trends in deposition. Core slices (1--1.3 cm) were dated with {sup 210}Pb and {sup 137}Cs using the Robbins rapid steady-state mixing model and sediment focusing factors were determined with the aid of soil cores or predictions of historical radionuclide deposition. Slices were freeze-dried, Soxhlet extracted with DCM and chromatographed on Florisil, then analyzed by high resolution GC-ECD with confirmation by GC-HRMS. {Sigma}PCB concentrations in surface sediments were lowmore » ranging from 8 to 40 ng{center_dot}g{sup {minus}1} (dry wt) in southern mid-continental sites (49--63{degree}N) to 2 ng{center_dot}g{sup {minus}1} in Lake Hazen, the most northerly location (82{degree}N). Highest concentrations were found in the most recent slices (1980s) of cores from high Arctic lakes (at 75 and 82{degree}N) whereas peak concentrations were reached earlier (in the 1970s) at more southerly locations. Principal components analysis revealed that sediments from high Arctic lakes could be distinguished by greater proportions of lower chlorinated PCBs in comparison with published results for Lakes Ontario and Superior. Focus corrected {Sigma}PCBs fluxes ranged from 305 to 920 ng{center_dot}m{sup 2}{center_dot}yr{sup {minus}1} in the 9 lakes and were negatively correlated with latitude (r{sup 2} = 0.53). Fluxes of Cl{sup 8} CBs had a strong negative correlation with latitude (r2 = 0.88) while Cl{sup 3} CBs showed no latitudinal trend. The results generally support several of the predictions of the cold condensation hypothesis.« less
  • Lake trout were collected from 14 lakes in the Canadian Rocky Mountains in 1991 and 1992. Fish fillets were analyzed for organochlorines using GC-ECD and quantified using internal and external standards. Concentrations of these contaminants ranged considerably between lakes. Mean {Sigma}DDT, {Sigma}PCB and {Sigma}CHB (toxaphene) concentrations ranged from 4 to 92, < 4 to 119, and < 4 to 73 ng g{sup {minus}1} wet weight respectively. Regression analyses indicated that the concentrations of organochlorines were significantly related to drainage area of the lake and log mean weight of the fish. Contaminant levels were not related to mean age of themore » fish or percent lipid in the muscle tissue. An index was used to determine if length of the food web explained the between-lake variability in organochlorine concentrations. Contaminant concentrations were not significantly related to the presence/absence of mysis or forage fishes, or lake class. The authors are currently the using stable isotope ratios of carbon and nitrogen to determine trophic status of the lake trout from these mountain lakes, and to interpret the variability in contaminant concentrations between and within lakes.« less
  • To provide data for public health and other government officials to quantitate the degree of exposure a human might receive from consumption of commonly sought open water fish species prepared and cooked by commonly used methods, five species of Great Lakes fish were chosen. Data is presented for walleye harvested from Lakes Erie, Huron and Michigan which were baked and char-broiled as skin-on fillets with additional walleye from Lake Michigan being deep fat fried. Skin-on white bass fillets from Lakes Erie and Huron also were pan fried. Packed column PCB and pesticide analyses were conducted for all fish species bymore » the Michigan Department of Public Health. The DDT complex (p,p{prime}DDT, p,p{prime}DDE and p,p{prime}DDD), dieldrin, hexa-chlorobenzene (HCB), chlorodane complex (alpha and gamma chlordane, oxychlordane, cis- and trans-nonachlor), toxaphene, heptachlor epoxide, and total PCBs (expressed as Arochlor{sup R} 1254) were found at above the minimum level of detection for many of the species studied. Residues were expressed as ppm wet tissue and then converted to micrograms per fillet to calculate the percentage loss due to cooking. 9 refs., 3 tabs.« less
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