AMPHIPODA (ARTHROPODA, CRUSTACEA) IN THE MACROZOOBENTHOS OF THE HRYHORIVKA ESTUARY
Journal Title: Вісник Одеського національного університету. Біологія - Year 2017, Vol 22, Issue 1
Abstract
The modern information about the amphipod fauna in the Hryhorivka Estuary is presented. The current state of the amphipod community in the estuary, their species composition, quantitative characteristics and spatial distribution were described. In total 23 amphipod species, related to 18 families and 19 genera, were registered in the period of 2003-2014. 22 species were registered in the estuarine coastal nearshores, 12 in its middle part, and 11 in the adjacent sea shelf. Four species, Ampelisca diadema, Corophium bonelli, Corophium voliutator and Microdeutopus gryllotalpa, are common for all these sites. The species of the Mediterranean-Atlantic and Mediterranean-Lusitanian zoogeographic complex prevail in the community. The maximal species richness, abundance, biomass and frequency of amphipods are characteristic of the coastal near-shores of the estuary. The maximal species richness in the estuarine near-shores was registered on the sandy bottoms (18) and sand-silt bottoms (16). Six species were found on silts. In the middle part of the estuary, the maximal richness occurred on silts (10), with 9 and 2 species on sandy silts and sands, respectively. The mean abundance and biomass decreased from 2003 to 2013. The bottom types, salinity, depth, and water temperature are the main factors affecting the amphipod community structure.
Authors and Affiliations
S. Kudrenko
Keywords
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- EP ID EP311136
- DOI 10.18524/2077-1746.2017.1(40).105230
- Views 95
- Downloads 0
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