(Table 1) Time series of ostracod population density off Bokniseck shore ('Hausgarten'), western Baltic Sea
Citation
Rosenfeld A (2011). (Table 1) Time series of ostracod population density off Bokniseck shore (‘Hausgarten’), western Baltic Sea. PANGAEA - Publishing Network for Geoscientific and Environmental Data. Occurrence dataset https://doi.org/10.1594/pangaea.784002 accessed via GBIF.org on 2018-08-20.Description
Seasonal distributions of ostracode species from the Bay of Kiel, western Baltic Sea (Bokniseck, ‘Hausgarten’) were studied at seven observation stations located between 6 - 23.5 m water depth. During the period from December 1973 to March 1975, 175 samples were taken every two weeks from the sediment surface at each station. Environmental factors were measured simultaneously with sampling. Most of the ostracode species were present in all of the samples throughout the year; four species were found to be seasonal. On the other hand, the population densities of each of the examined ostracode species, as revealed by countings, indicate marked seasonal variations. These variations are attributed to changes in length rate and timing of the reproductive cycles of the different ostracode species, effected mainly by food supply. Maxima in the abundance of the ostracode species with short (1/2 - 1 month) life cycles, occurred simultaneously with peaks of food supply in spring and autumn, whereas the maxima abundance of ostracodes with longer (10 - 12 months) life cycles was delayed.Taxonomic Coverages
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Amnon Rosenfeldoriginator
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