Immersion staining of coarse fish in the Thames
作者:
C. P. Mathews,
期刊:
Journal of Fish Biology
(WILEY Available online 1970)
卷期:
Volume 2,
issue 1
页码: 57-58
ISSN:0022-1112
年代: 1970
DOI:10.1111/j.1095-8649.1970.tb03258.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Thirty‐one vital dyes were screened for marking bleak, roach and gudgeon by total body immersion in aqueous solutions of the dye. Only six dyes stained without killing, and of these Nile blue, neutral red and Bismarck brown were used successfully in the field. This approach to estimation of population size was abandoned because (1) the toxicity of the dyes varied at different times of year, (2) the numbers needed for release were impractically high and (3) fingerlings showed extremely high mortality on handlin
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