Состав и структура зоопланктона прибрежных вод Мавритании в зимний период
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https://elib.sfu-kras.ru/handle/2311/3080Author:
Глушко, О.Г.
Glushko, Oksana G.
Лидванов, В.В.
Lidvanov, Viacheslav V.
Date:
2012-06Abstract:
В прибрежных водах Мавритании зимой 2007/08 и 2009/10 гг. выделены три стабильных
зоопланктонных сообщества: 1) апвеллинговой зоны м. Кап-Блан, находящееся на севере
района исследования, 2) неритической зоны, занимающее высокопродуктивный прибрежный
район, 3) океанической зоны, обитающее в открытой части океана, удаленное от береговой
линии. Изменения в структуре этих сообществ были связаны сo снижением интенсивности
апвеллинга. Это привело к снижению численности и видового разнообразия выделенных
сообществ. В 2009/10 г. в результате затока теплых вод на север района Temora turbinata
индикатор вод южного происхождения оказался в составе доминантов сообщества м.
Кап-Блан. Смена доминантов в сообществе океанической зоны произошла в результате
его неритизации, а структурообразующий комплекс видов сообщества неритической зоны
остался прежним. In the coastal waters of Mauritania three stable zooplankton community 1) community upwelling
zones cape Cap Blanc, situated in the north of the study area; 2) community neritic zone in the highly
productive coastal area; 3) community oceanic zones, remote from the coastline were identified in
winter 2007/08 and 2009/10.
Changes in the structure of these communities depended on the hydrological conditions, and, in
particular, were associated with a decrease in the intensity of upwelling. This resulted in a decrease
in the zooplankton abundance and species diversity of selected communities. Temora turbinata,
an indicator of water of southern origin, was dominant in the community of the cape Cap Blanc in
2009/10 as a result of inflow of warm waters into the north district. A change in dominant species in
the community oceanic zones was due to an increased proportion of neritic species. Composition of
dominant species of community neritic zone remained the same.
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