DYNAMICS OF ZOOPLANKTON IN THE SE PART OF THE BLACK SEA (Dinamika Zooplanktona Yugo-Vostochnoi Chasti Chernogo Morya)

The major zooplankton forms which constitute food resources for the winter are Calanus helgolandicus, Pseudocalanus elongatus, Sagitta euxina. In July one can observe considerable quantities of Acartia clausi, Oithona nana, Paracalanus parvus, which constitute the bulk of food resources for fishes....

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Bibliographic Details
Main Author: Fedorina,A. I
Format: Report
Language:English
Subjects:
ATMOSPHERIC TEMPERATURE
Biological Oceanography
BLACK SEA
CLASSIFICATION
DISTRIBUTION
FISHES
FOOD
PERIODIC VARIATIONS
PLANKTON
PRODUCTION
SPRING SEASON
TRANSLATIONS
USSR
WIND
WINTER
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Summary:The major zooplankton forms which constitute food resources for the winter are Calanus helgolandicus, Pseudocalanus elongatus, Sagitta euxina. In July one can observe considerable quantities of Acartia clausi, Oithona nana, Paracalanus parvus, which constitute the bulk of food resources for fishes. In August, in addition to the above-mentioned organisms, one can observe the thermophilic forms, mainly Penilia avirostris. In winter-spring the development of zooplankton in the SE part of the Black Sea depends mainly upon the temperature and wind regions. The SE part of the Black Sea is characterized by mass development of zooplankton species that are not consumed by fishes, mainly Noctiluca miliaris, whose biomass may exceed the biomass of the edible zooplankton 4 to 10 times during the period of outbursts. (Author) Trans. of Azovsko-Chernomorskii Nauchno-Issledovatelskii Institut Morskogo Rybnogo Khozyaistva i Okeanografii. Trudy (USSR) n23 p95-104 1964, by M. Slessers.