Contaminant residue levels in arctic wolves (Canis lupus) from the Yukon Territory, Canada.

摘要: Abstract Kidney, liver and bone samples were taken from 19 wolves (Canis lupus) collected two locations in the Yukon Territory. Liver pooled by age sex analyzed for 22 organochlorine pesticides 101 PCB congeners. Individual kidney arsenic, cadmium, copper, lead, total mercury, selenium zinc. Thirteen individual lead. While most organochlorines not present at detectable levels wolf liver, some chlorobenzenes, dieldrin Σ low levels. congeners 149, 153, 170/190, 180 187/182 made up 86% of PCBs measured liver. The hexa- heptachlorobiphenyls dominated pattern while containing less than five chlorine atoms detected. chlorobenzene homologues found are more similar to those marten (Martes americana) other carnivores caribou (Rangifer tarandus), perhaps reflecting similarities food habits metabolic capacities. With exception average element concentrations all tissues arctic carnivores. Cadmium somewhat higher wolves. This may reflect high cadmium livers kidneys moose herds Yukon. Renal arsenic lead decreased significantly with wolves, renal mercury increased age. Because ranges seen relatively small, values within range normally wildlife, it is difficult determine biological significance these relationships. Contaminant generally terrestrial They do approach that known potentially cause adverse effects animals. this study should be considered baseline