Descent of European silver eels,Anguilla anguillaL., in a Norwegian watercourse
作者:
Ø. Haraldstad,
L. A. Vøllestad,
B. Jonsson,
期刊:
Journal of Fish Biology
(WILEY Available online 1985)
卷期:
Volume 26,
issue 1
页码: 37-41
ISSN:0022-1112
年代: 1985
DOI:10.1111/j.1095-8649.1985.tb04238.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Seaward migration of silver eels occurred at nights during autumn at decreasing water temperature. Maximum migration‐rate occurred mid‐October at medium and decreasing water discharge. Most eels descended in the first quarter of the lunar cycle, few eels descended at full moon. Most males and small females migrated earlier in the season than the larger females. The migration speed of silver eels in fresh water was independent of body len
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