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COMPARISON OF SAMPLES OF STREAM BOTTOM FAUNA COLLECTED DURING THE DAY AND AT NIGHT 1
Author(s) -
CLIFFORD HUGH F.
Publication year - 1972
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1972.17.3.0479
Subject(s) - riffle , fauna , taxon , environmental science , biomass (ecology) , biology , hydrology (agriculture) , zoology , ecology , geology , geotechnical engineering , habitat
Bottom samples were taken throughout the year at 1600 and 2300 hours from a riffle region of a brown‐water stream of Alberta, Canada. For the abundant taxa, the variance of numbers was much greater than the mean for both day and night samples. For the entire study period, there were no significant differences between day and night samples for total numbers, total number of taxa, and total volume‐biomass.