Overwintering of Invertebrates in a Shallow Northern Swedish Lake
作者:
Kjell Danell,
期刊:
Internationale Revue der gesamten Hydrobiologie und Hydrographie
(WILEY Available online 1981)
卷期:
Volume 66,
issue 6
页码: 837-845
ISSN:0020-9309
年代: 1981
DOI:10.1002/iroh.19810660606
出版商: Akademie Verlag, Berlin
关键词: winter ecology;lake;Sweden;benthic invertebrates;Chironomidae
数据来源: WILEY
摘要:
AbstractDuring two winters, the benthic invertebrates in a shallow northern Swedish lake (66 °N) were studied. The lake is ice‐covered for about 200 days a year. Live Lamellibranchiata, Oligochaeta. Hydracarina, Isopoda, Heteroptera, Cole optera and Diptera were found in samples of ice and of frozen lake‐bottom sediments. During the winter in which the bottom froze deepest, a 70–90% decrease in numbers of live Chironomidae larvae was recorded between the autumn and following early
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