Journal article
THE HISTORY OF THE CLADOCERAN FAUNA OF ESTHWAITE WATER (ENGLAND) AND ITS LIMNOLOGICAL SIGNIFICANCE
ARCHIV FUR HYDROBIOLOGIE, VOL 60, NO 1, P 1-52, 1964. 8 FIG, 3 TAB, 76 REF
01 Jan 1964
Abstract
ANALYSIS OF TWO SEDIMENT CORES FROM THE NORTH BASIN OF ESTHWAITE WATER YIELDED 37 SPECIES OF CLADOCERA OF WHICH 23 SPECIES WERE CHYDORIDS. FIVE PERIODS OF CLADOCERAN DEVELOPMENT WERE NOTED, EACH BEING CORRELATED WITH CLIMATIC OR CULTURAL CHANGES IN THE DRAINAGE BASIN. LITTORAL CLADOCERA (CHYDORIDS) REACHED THEIR GREATEST DEVELOPMENT DURING FIRST (ALLEROD) PERIOD; THE SECOND PERIOD OF ABUNDANCE (IMMEDIATE POST-GLACIAL) SHOWED A SIMILAR FAUNA. PLANKTONIC CLADOCERA SHOWED GREATEST ABUNDANCE IN THE THIRD (BOREAL) PERIOD. THE REMAINING PERIODS OF ABUNDANCE CORRESPONDED WITH THE ARRIVAL OF NEOLITHIC MAN AND WITH INCREASED AGRICULTURAL ACTIVITY FOLLOWING THE NORSE IMMIGRATION. ASSOCIATED WITH PRESUMED INCREASED EUTROPHICATION DUE TO AGRICULTURAL ACTIVITIES WERE FAUNAL CHANGES, INCLUDING THE REPLACEMENT OF BOSMINA COREGONI BY B LONGIROSTRIS, REPLACEMENT OF THE TANYTARSUS-SERGENTIA MIDGE COMMUNITY BY CHIRONOMUS, AND APPEARANCE OF ONE NEW DAPHNIA SPECIES AND THREE SPECIES OF CERIODAPHNIA. TABULAR AND GRAPHICAL DATA INCLUDE OCCURRENCE OF ALL SPECIES BY DEPTH IN THE CORE SAMPLES. (VOIGTLANDER-WISCONSIN)
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Details
- Title
- THE HISTORY OF THE CLADOCERAN FAUNA OF ESTHWAITE WATER (ENGLAND) AND ITS LIMNOLOGICAL SIGNIFICANCE
- Creators
- Clyde Goulden
- Publication Details
- ARCHIV FUR HYDROBIOLOGIE, VOL 60, NO 1, P 1-52, 1964. 8 FIG, 3 TAB, 76 REF
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Academy of Natural Sciences of Drexel University
- Identifiers
- 991019350575704721