Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coast

Abstract. The aim of this paper is to establish the biodiversity status of the macrozoobenthos in some protected marine areas (NATURA 2000) along the Bulgarian Black Sea coast. The observation stations in the period 2010-2012 were within the frames of the following habitats: 1160 – Large shallow inl...

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Main Authors: E. Petrova, S. Stoykov
Format: Article
Language:English
Published: Trakia University. Faculty of Agriculture, Stara Zagora 2017-12-01
Series:Agricultural Science and Technology
Subjects:
Online Access:http://agriscitech.eu/wp-content/uploads/2017/12/015.pdf
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author E. Petrova
S. Stoykov
author_facet E. Petrova
S. Stoykov
author_sort E. Petrova
collection DOAJ
description Abstract. The aim of this paper is to establish the biodiversity status of the macrozoobenthos in some protected marine areas (NATURA 2000) along the Bulgarian Black Sea coast. The observation stations in the period 2010-2012 were within the frames of the following habitats: 1160 – Large shallow inlets and bays; 1110 – Sandbanks, slightly covered by seawater and Sublittoral mussel banks on sediment. In general, the data shows steady state compared to the 1980s, except for the area near Kamchia River, characterized by low biodiversity due to water pollution from the river inflow (with contaminants from agricultural and industrial sources in the upper river stream) and less salinity leading to marine mussel species reduction. In the border area, near the Emona zone, the black mussel catches varied between 160-600 kg in 2005, while only single specimens were detected in 2013. In the same field, the yield of Rapana venosa was within the limits of 5-40 kg in 2005 and between 80-160 kg in 2013. The established variability showed a dynamic balance between Mytilus galloprovicialis and Rapana venosa that pose a challenge for future stock of the black mussel and point the need of regular monitoring.
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spelling doaj.art-ad755482faff4b2ab45346811b77e4e62022-12-22T01:32:39ZengTrakia University. Faculty of Agriculture, Stara ZagoraAgricultural Science and Technology1313-88201314-412X2017-12-019433634610.15547/ast.2017.04.063Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coastE. Petrova0S. Stoykov1Institute of Fish Resources, 9000 Varna, BulgariaInstitute of Fish Resources, 9000 Varna, BulgariaAbstract. The aim of this paper is to establish the biodiversity status of the macrozoobenthos in some protected marine areas (NATURA 2000) along the Bulgarian Black Sea coast. The observation stations in the period 2010-2012 were within the frames of the following habitats: 1160 – Large shallow inlets and bays; 1110 – Sandbanks, slightly covered by seawater and Sublittoral mussel banks on sediment. In general, the data shows steady state compared to the 1980s, except for the area near Kamchia River, characterized by low biodiversity due to water pollution from the river inflow (with contaminants from agricultural and industrial sources in the upper river stream) and less salinity leading to marine mussel species reduction. In the border area, near the Emona zone, the black mussel catches varied between 160-600 kg in 2005, while only single specimens were detected in 2013. In the same field, the yield of Rapana venosa was within the limits of 5-40 kg in 2005 and between 80-160 kg in 2013. The established variability showed a dynamic balance between Mytilus galloprovicialis and Rapana venosa that pose a challenge for future stock of the black mussel and point the need of regular monitoring.http://agriscitech.eu/wp-content/uploads/2017/12/015.pdfBlack seamarine protected areasmacrozoobenthos communities
spellingShingle E. Petrova
S. Stoykov
Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coast
Agricultural Science and Technology
Black sea
marine protected areas
macrozoobenthos communities
title Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coast
title_full Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coast
title_fullStr Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coast
title_full_unstemmed Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coast
title_short Biodiversity of the macrozoobenthos in some protected marine areas along Bulgarian Black Sea coast
title_sort biodiversity of the macrozoobenthos in some protected marine areas along bulgarian black sea coast
topic Black sea
marine protected areas
macrozoobenthos communities
url http://agriscitech.eu/wp-content/uploads/2017/12/015.pdf
work_keys_str_mv AT epetrova biodiversityofthemacrozoobenthosinsomeprotectedmarineareasalongbulgarianblackseacoast
AT sstoykov biodiversityofthemacrozoobenthosinsomeprotectedmarineareasalongbulgarianblackseacoast