Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditions
In the channel areas of the large Tayshir Reservoir valley, zooplankton is unevenly distributed along the longitudinal profile. The number and biomass of communities increases from the upper to lower rea ches. In the Durgun Reservoir, which has features of a canyontype reservoir, the greatest abun...
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| Format: | Article |
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Cherepovets State University
2019-03-01
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| Series: | Трансформация экосистем |
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| Online Access: | http://en.ecosysttrans.com/publikatsii/ecosystem-transformation-volume-2-no-1-2019/zooplankton-of-the-channel-zone-of-reservoirs-of-the-arid-zone-effects-of-level-regime-and-meteorolo/ |
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| author | Аlexander V. Krylov Bud Mėndsaĭkhan Chananbaatar Ayushsuren Alexander I. Tsvetkov |
| author_facet | Аlexander V. Krylov Bud Mėndsaĭkhan Chananbaatar Ayushsuren Alexander I. Tsvetkov |
| author_sort | Аlexander V. Krylov |
| collection | DOAJ |
| description | In the channel areas of the large Tayshir Reservoir valley, zooplankton is unevenly distributed along the longitudinal profile. The number and biomass of communities increases from the upper to lower rea ches. In the Durgun Reservoir, which has features of a canyontype reservoir, the greatest abundance and biomass of zooplankton are recorded in the upper reaches, while the greatest number of species is recorded in the lower reaches. In the Taishir Reservoir, an increase in precipitation and a raised water level have a stimula ting effect on the crustaceans in the middle part of the reservoir, the area of the greatest accumulation of substances brought from the catchment area, contributing to the food supply of the invertebrates. In the upper reaches of the reservoir, with increased precipitation, high flowage prevents the development of zooplankton, and in the lower reaches, due to minimal accumulation of organic and biogenic substances and the impossibility of their intensive diffusion from bottom sediments due to maximum depth and width, the communities display the effect of “dilution” (reduced abundance). For interannual changes in the zooplankton of the channel of the upper part of the Durgun reservoir, precipitation fluctuations are of major importance. In the lower reaches of the reservoir, in the deeper areas, the temperature regime and fluctuations of the water level, depending on the work of hydroelectric power plants, are of decisive importance. |
| first_indexed | 2024-04-11T20:24:19Z |
| format | Article |
| id | doaj.art-ed9131e0c5dd4c7cbe5fe003ed4885b0 |
| institution | Directory Open Access Journal |
| issn | 2619-094X 2619-0931 |
| language | English |
| last_indexed | 2024-04-11T20:24:19Z |
| publishDate | 2019-03-01 |
| publisher | Cherepovets State University |
| record_format | Article |
| series | Трансформация экосистем |
| spelling | doaj.art-ed9131e0c5dd4c7cbe5fe003ed4885b02022-12-22T04:04:43ZengCherepovets State UniversityТрансформация экосистем2619-094X2619-09312019-03-012131710.23859/estr-180325Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditionsАlexander V. Krylov0https://orcid.org/0000-0003-1371-7310Bud Mėndsaĭkhan1Chananbaatar Ayushsuren2Alexander I. Tsvetkov3https://orcid.org/0000-0002-0307-9864Papanin Institute for Biology of Inland Waters Russian Academy of SciencesInstitute of Geography and Geoecology, Mongolian Academy of SciencesThe Institute of General and Experimental Biology, Mongolian Academy of SciencesPapanin Institute for Biology of Inland Waters Russian Academy of SciencesIn the channel areas of the large Tayshir Reservoir valley, zooplankton is unevenly distributed along the longitudinal profile. The number and biomass of communities increases from the upper to lower rea ches. In the Durgun Reservoir, which has features of a canyontype reservoir, the greatest abundance and biomass of zooplankton are recorded in the upper reaches, while the greatest number of species is recorded in the lower reaches. In the Taishir Reservoir, an increase in precipitation and a raised water level have a stimula ting effect on the crustaceans in the middle part of the reservoir, the area of the greatest accumulation of substances brought from the catchment area, contributing to the food supply of the invertebrates. In the upper reaches of the reservoir, with increased precipitation, high flowage prevents the development of zooplankton, and in the lower reaches, due to minimal accumulation of organic and biogenic substances and the impossibility of their intensive diffusion from bottom sediments due to maximum depth and width, the communities display the effect of “dilution” (reduced abundance). For interannual changes in the zooplankton of the channel of the upper part of the Durgun reservoir, precipitation fluctuations are of major importance. In the lower reaches of the reservoir, in the deeper areas, the temperature regime and fluctuations of the water level, depending on the work of hydroelectric power plants, are of decisive importance.http://en.ecosysttrans.com/publikatsii/ecosystem-transformation-volume-2-no-1-2019/zooplankton-of-the-channel-zone-of-reservoirs-of-the-arid-zone-effects-of-level-regime-and-meteorolo/zooplanktonarid zonereservoirswater levelrainfallchannel areatemperatureelectrical conductivityair temperature |
| spellingShingle | Аlexander V. Krylov Bud Mėndsaĭkhan Chananbaatar Ayushsuren Alexander I. Tsvetkov Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditions Трансформация экосистем zooplankton arid zone reservoirs water level rainfall channel area temperature electrical conductivity air temperature |
| title | Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditions |
| title_full | Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditions |
| title_fullStr | Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditions |
| title_full_unstemmed | Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditions |
| title_short | Zooplankton of the channel zone of reservoirs of the arid zone: effects of level regime and meteorological conditions |
| title_sort | zooplankton of the channel zone of reservoirs of the arid zone effects of level regime and meteorological conditions |
| topic | zooplankton arid zone reservoirs water level rainfall channel area temperature electrical conductivity air temperature |
| url | http://en.ecosysttrans.com/publikatsii/ecosystem-transformation-volume-2-no-1-2019/zooplankton-of-the-channel-zone-of-reservoirs-of-the-arid-zone-effects-of-level-regime-and-meteorolo/ |
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