Macrozoobenthos of the Estuary Areas of the Tributaries of the Rybinsk Reservoir
The structure and spatial distribution of macrozoobenthos in the mouth area of the small tributaries of the Rybinsk Reservoir, the Il’d, Syobla, Lam, and Yukhot rivers, was studied in different seasons, 2007–2008 and 2010–2011. The composition of the macrozoobenthos was identified: in the Il’d River...
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Veröffentlicht in: | Inland water biology 2023-12, Vol.16 (Suppl 1), p.S130-S144 |
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description | The structure and spatial distribution of macrozoobenthos in the mouth area of the small tributaries of the Rybinsk Reservoir, the Il’d, Syobla, Lam, and Yukhot rivers, was studied in different seasons, 2007–2008 and 2010–2011. The composition of the macrozoobenthos was identified: in the Il’d River, 222 species and forms, in other studied rivers, 140. Most of the discovered species were larvae of chironomids and other amphibiotic insects. The highest species richness and diversity of macrozoobenthos was recorded in the free-flow zone, and its highest abundance was recorded in the free-flow zone and in the transition zone of the tributary of the river mouth area. A significant decrease in flow in the frontal zone of river mouths leads to a decrease in species richness (due to the loss of rheophilic fauna) and creates conditions favorable for the dominance of limnophilic species adapted to oxygen deficiency, bloodworm larvae and oligochaetes. |
doi_str_mv | 10.1134/S1995082923070118 |
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A significant decrease in flow in the frontal zone of river mouths leads to a decrease in species richness (due to the loss of rheophilic fauna) and creates conditions favorable for the dominance of limnophilic species adapted to oxygen deficiency, bloodworm larvae and oligochaetes.</description><subject>Biodiversity</subject><subject>Biomedical and Life Sciences</subject><subject>Chironomidae</subject><subject>Estuaries</subject><subject>Estuarine dynamics</subject><subject>fauna</subject><subject>Freshwater & Marine Ecology</subject><subject>Geoecology/Natural Processes</subject><subject>Hypoxia</subject><subject>Insects</subject><subject>Larvae</subject><subject>Life Sciences</subject><subject>limnophilic species</subject><subject>Oligochaeta</subject><subject>Reservoirs</subject><subject>rheophilic species</subject><subject>River mouth</subject><subject>River mouths</subject><subject>Rivers</subject><subject>Spatial distribution</subject><subject>species</subject><subject>Species diversity</subject><subject>Species richness</subject><subject>Tributaries</subject><issn>1995-0829</issn><issn>1995-0837</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kM1Lw0AQxRdRsNT-Ad4CXrxEd_Yj2T2WUj-gotR6DpvtxKa22bqbCPWvd0ulguJcZnj83mN4hJwDvQLg4voZtJZUMc04zSmAOiK9nZRSxfPjw830KRmEsKRxOAjGWY88PRjr3adzJTbtwoXEVUm7wGQc2s74bTL0aA7izNdl1xpf40Gabsu6CW_JFAP6D1f7M3JSmVXAwffuk5eb8Wx0l04eb-9Hw0lqOYU2VZlAJXLOeKkRpTHAJMq8QsqFZmUuFLNWSAtSIVN2rqwpLdVzBqgzrZH3yeU-d-Pde4ehLdZ1sLhamQZdFwoOkkstsoxH9OIXunSdb-J3BdM8V0AzEJGCPRX7CMFjVWx8vY4dFECLXc3Fn5qjh-09IbLNK_qf5P9NXyVKfVU</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Perova, S. 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N.</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Inland water biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Perova, S. N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Macrozoobenthos of the Estuary Areas of the Tributaries of the Rybinsk Reservoir</atitle><jtitle>Inland water biology</jtitle><stitle>Inland Water Biol</stitle><date>2023-12-01</date><risdate>2023</risdate><volume>16</volume><issue>Suppl 1</issue><spage>S130</spage><epage>S144</epage><pages>S130-S144</pages><issn>1995-0829</issn><eissn>1995-0837</eissn><abstract>The structure and spatial distribution of macrozoobenthos in the mouth area of the small tributaries of the Rybinsk Reservoir, the Il’d, Syobla, Lam, and Yukhot rivers, was studied in different seasons, 2007–2008 and 2010–2011. The composition of the macrozoobenthos was identified: in the Il’d River, 222 species and forms, in other studied rivers, 140. Most of the discovered species were larvae of chironomids and other amphibiotic insects. 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subjects | Biodiversity Biomedical and Life Sciences Chironomidae Estuaries Estuarine dynamics fauna Freshwater & Marine Ecology Geoecology/Natural Processes Hypoxia Insects Larvae Life Sciences limnophilic species Oligochaeta Reservoirs rheophilic species River mouth River mouths Rivers Spatial distribution species Species diversity Species richness Tributaries |
title | Macrozoobenthos of the Estuary Areas of the Tributaries of the Rybinsk Reservoir |
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