BIOCOENOSIS MEMBRANE OF CHARA ALGA AS AN IMPORTANT ELEMENT OF COASTAL ECOSYSTEMS (ON THE EXAMPLE TENDROVSKY AND YAGORLYTSKY BAYS OF BLACK SEA)
Journal Title: Вісник Одеського національного університету. Географічні та геологічні науки - Year 2015, Vol 20, Issue 1
Abstract
The purpose of of this work is to determine the role and importance of ecological community membrane of chara algae ecosystems of Tendrovsky and Yagorlytsky bays of Blask Sea. The object of study in this paper is biocenose algae Charales. The subject – the species composition, distribution, biodiversity and ecological structure of biocenosis Charales algae. As a material for the research were qualitative and quantitative benthic samples collected during work on the monitoring of natural complexes of the Black Sea Biosphere Reserve. Quantitative samples of macrozoobenthos selected in Tendrovsky and Yagorlytsky bays in 2010, 2011 and 2014. using standard techniques using hydrobiological Petersen dredge (capture area 0.025 m2) and regular network stations. For the selection of quantitative samples of macrophytes used geobotanical frame 25x25 cm, high-quality samples were taken with a scraper width of 30 cm. At each station to measure the brightness of depth, salinity and temperature of water, the description of the type of sediment and vegetation type. In the coastal parts of Tendrovsky and Yagorlytsky bays made hiking accounting bottom vegetation. During the period of study in thickets of charaphytes selected 54 quantitative samples zooperiphyton, 18 qualitative and 32 quantitative samples macrophytobenthos. Results. The published data on the distribution and dynamics of quantitative characteristics of Charales algae phytocenosis in shallow sea bays are generalized in this paper. Shallow bays and estuaries of the Black Sea are very specific waterbodies, besides the water area studied in this work have high nature protection status. The quantitative and qualitative structure of the Charales algae phytocenosis from Yagorlytsky and Tendryvsky bays of Black Sea are described and analyzed. The data on the species composition and taxonomic structure of zooperiphyton and macrozoobenthos in the structure of Charales biocenosis is provide. The level of the biodiversity and trophological structure of zoocenozis dedicated to the Charales beds are analyzed and evaluated. Also the importance of Charales algae as food resource and a substrate for different groups of animals are discussed in the paper.
Authors and Affiliations
D. D. Korolesova
Keywords
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