DEVELOPMENTAL TOXICITY OF SELENIUM TO DOLLY VARDEN CHAR (SALVELINUS MALMA)

被引：17

作者：

McDonald, Blair G. ^{[1
]}

deBruyn, Adrian M. H. ^{[1
]}

Elphick, James R. F. ^{[2
]}

Davies, Martin ^{[3
]}

Bustard, David ^{[4
]}

Chapman, Peter M. ^{[1
]}

机构：

[1] Golder Associates, Burnaby, BC V5C 6C6, Canada

[2] Nautilus Environm, Burnaby, BC V5A 4N7, Canada

[3] Hatfield Consultants, N Vancouver, BC V7P 0A3, Canada

[4] Bustard & Associates, Smithers, BC V0J 2N0, Canada

来源：

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY | 2010年 / 29卷 / 12期

关键词：

Selenium; Fish; Reproduction; Egg; Larval deformity; LIFE STAGE DEVELOPMENT; BIOACCUMULATED SELENIUM; ONCORHYNCHUS; SELENOMETHIONINE; DEFORMITIES; LARVAE; EGGS;

D O I：

10.1002/etc.325

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Gametes were collected from Dolly Varden char (Salvelinus malma) from waterbodies in a region exposed to mining related selenium (Se) releases in British Columbia Canada Fertilized eggs were incubated in a laboratory and deformities were assessed on newly hatched alevins using a graduated seventy index No effects were observed on egg or alevin survival or larval weight across the studied exposure range of 5 4 to 66 mg/kg dry weight in egg Length of some larvae was reduced at the highest egg Se concentrations and a clear residue response relationship was observed for larval deformity The egg concentration corresponding to a 10% increase in the frequency of deformity (EC10) was 54 mg/kg dry weight which is substantially higher than reported for other cold water fish species Environ Toxicol Chem 2010 29 2800-2805 (C) 2010 SETAC

引用

页码：2800 / 2805

页数：6

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