Abstract
Purpose. Study of macrozoobenthos contemporary state in Odessa Bay coastal waters in 2016-2017. Methods. Standard methods of macrozoobenthos sampling, determination, estimation of number and biomass Results. The results of macrozoobenthos biodiversity, structural characteristics and taxonomic composition in Odessa bay coastal waters have been presented. Seasonal dynamics of its number and biomass. has been studied. Assessment of marine environment quality has been performed on the metrics of macrozoobenthos. Conclusions. Altogether 121 taxa of benthic invertebrates were identified in Odessa Bay in 2016-2017. Taxonomic composition and quantitative indicators of macrozoobenthos had clear seasonal variation with maximal development of benthos in summer period. In spring of 2016, 75 taxa of macrozoobenthos were registered in samples, in summer – 82 taxa, in autumn – 60 taxa, in summer of 2017 – 62 taxa. The basis of macrozoobenthos community was formed be mollusks (Mollusca) with domination of species М. galloprovincialis, as well as representatives of Arthropoda and Annelida. Significant input into macrozoobenthos species composition was made by representatives of the following groups: Bryozoa, Nemertea and Platyhelminthes. Contribution of Porifera, Cnidaria and Ph%
Highlights
Assessment of marine environment quality has been performed on the metrics of macrozoobenthos
121 taxa of benthic invertebrates were identified in Odessa Bay in 2016-2017
In 2016-2017 3 alien species were registered in Odessa Bay – bivalves Anadara kagoshimensis and Mya arenaria, as well as gastropod Rapana venosa
Summary
The results of macrozoobenthos biodiversity, structural characteristics and taxonomic composition in Odessa bay coastal waters have been presented. In 2016-2017 3 alien species were registered in Odessa Bay – bivalves Anadara kagoshimensis and Mya arenaria, as well as gastropod Rapana venosa. Quality of marine environment estimated using AMBI and M-AMBI indices calculated for all the 26 samples was assessed as High in 4 cases, Good in 17 cases and Moderate in 5 cases out of 26. Україна СТАН МАКРОЗООБЕНТОСУ ПРИБЕРЕЖНИХ ВОД ОДЕСЬКОЇ ЗАТОКИ В 2016-2017 РР. Структурних характеристик і таксономічного складу макрозообентосу прибережних вод Одеської затоки. Такие вселенцы как: Polydora limicola, Mya arenaria, Anadara inaequivalvis, Rapana venosa и некоторые другие в настоящее время стали массовыми видами в Черном море и, в частности, в СЗЧМ [1, 3, 5, 8, 16]. Целью настоящих исследований являлось изучение состояния макрозообентоса в прибрежной зоне Одесского залива
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