Macroinvertebrates of fluctuating lakes in Mongolia
The dynamics of the water budget of Orog Nuur and Taatsiin Tsagaan Nuur fluctuating lakes in the Valley of the Lakes (Wes tern Mongolia) in the period 2010–2018 is studied. It is shown that Orog Nuur Lake has passed to the wet phase in its longterm cyc le, while Taatsiin Tsagaan Nuur Lake is curr...
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Cherepovets State University
2019
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oai:doaj.org-article:11f01500ff604b3a9a2941c4dee765612021-12-01T11:15:43ZMacroinvertebrates of fluctuating lakes in Mongolia10.23859/estr-1903282619-094X2619-0931https://doaj.org/article/11f01500ff604b3a9a2941c4dee765612019-09-01T00:00:00Zhttp://en.ecosysttrans.com/publikatsii/ecosystem-transformation-volume-2-no-3-2019/macroinvertebrates-of-fluctuating-lakes-in-mongolia/https://doaj.org/toc/2619-094Xhttps://doaj.org/toc/2619-0931The dynamics of the water budget of Orog Nuur and Taatsiin Tsagaan Nuur fluctuating lakes in the Valley of the Lakes (Wes tern Mongolia) in the period 2010–2018 is studied. It is shown that Orog Nuur Lake has passed to the wet phase in its longterm cyc le, while Taatsiin Tsagaan Nuur Lake is currently in a transitional phase, which in previous cycles lasted 2–4 years. The composi tion and longterm changes in the species composition and quan titative characteristics of macrozoobenthos and macrozooophytos of Orog Nuur Lake, and macrozoobenthos and nekton of Taat siin Tsagaan Nuur Lake is studied. A total of 27 species of mac roinvertebrates is recorded for Orog Nuur Lake and 23 species for Taatsiin Tsagaan Nuur Lake. During the study period, Orog Nuur Lake showed an increase in the diversity and abundance of benthic communities that exhibit multiannual fluctuations due to changes in water level. The macroinvertebrate communities of Taatsiin Tsagaan Nuur Lake are typical of a temporary water body, in each year of research, being dependent on the area of the lake and water budget, which in turn depends on changing patterns of its filling. Based on data from 2014, when Taatsiin Tsagaan Nuur Lake was first filled with water after a dry phase, we calculated sex ratios and average individual body mass for each sex group of three syntopic species of Spinicaudata that experienced a sharp increase in abundance.Alexandr A. ProkinAlexander I. TsvetkovDmitry G. SeleznevAlexey S. SazhnevCherepovets State Universityarticlefluctuating lakeswater levellake areawestern mongoliamacrozoobenthosnektonnumber of speciesabundancebiomassspinicaudataEnvironmental sciencesGE1-350ENRUТрансформация экосистем, Vol 2, Iss 3, Pp 3-15 (2019) |
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DOAJ |
| collection |
DOAJ |
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EN RU |
| topic |
fluctuating lakes water level lake area western mongolia macrozoobenthos nekton number of species abundance biomass spinicaudata Environmental sciences GE1-350 |
| spellingShingle |
fluctuating lakes water level lake area western mongolia macrozoobenthos nekton number of species abundance biomass spinicaudata Environmental sciences GE1-350 Alexandr A. Prokin Alexander I. Tsvetkov Dmitry G. Seleznev Alexey S. Sazhnev Macroinvertebrates of fluctuating lakes in Mongolia |
| description |
The dynamics of the water budget of Orog Nuur and Taatsiin Tsagaan Nuur fluctuating lakes in the Valley of the Lakes (Wes tern Mongolia) in the period 2010–2018 is studied. It is shown that Orog Nuur Lake has passed to the wet phase in its longterm cyc le, while Taatsiin Tsagaan Nuur Lake is currently in a transitional phase, which in previous cycles lasted 2–4 years. The composi tion and longterm changes in the species composition and quan titative characteristics of macrozoobenthos and macrozooophytos of Orog Nuur Lake, and macrozoobenthos and nekton of Taat siin Tsagaan Nuur Lake is studied. A total of 27 species of mac roinvertebrates is recorded for Orog Nuur Lake and 23 species for Taatsiin Tsagaan Nuur Lake. During the study period, Orog Nuur Lake showed an increase in the diversity and abundance of benthic communities that exhibit multiannual fluctuations due to changes in water level. The macroinvertebrate communities of Taatsiin Tsagaan Nuur Lake are typical of a temporary water body, in each year of research, being dependent on the area of the lake and water budget, which in turn depends on changing patterns of its filling. Based on data from 2014, when Taatsiin Tsagaan Nuur Lake was first filled with water after a dry phase, we calculated sex ratios and average individual body mass for each sex group of three syntopic species of Spinicaudata that experienced a sharp increase in abundance. |
| format |
article |
| author |
Alexandr A. Prokin Alexander I. Tsvetkov Dmitry G. Seleznev Alexey S. Sazhnev |
| author_facet |
Alexandr A. Prokin Alexander I. Tsvetkov Dmitry G. Seleznev Alexey S. Sazhnev |
| author_sort |
Alexandr A. Prokin |
| title |
Macroinvertebrates of fluctuating lakes in Mongolia |
| title_short |
Macroinvertebrates of fluctuating lakes in Mongolia |
| title_full |
Macroinvertebrates of fluctuating lakes in Mongolia |
| title_fullStr |
Macroinvertebrates of fluctuating lakes in Mongolia |
| title_full_unstemmed |
Macroinvertebrates of fluctuating lakes in Mongolia |
| title_sort |
macroinvertebrates of fluctuating lakes in mongolia |
| publisher |
Cherepovets State University |
| publishDate |
2019 |
| url |
https://doaj.org/article/11f01500ff604b3a9a2941c4dee76561 |
| work_keys_str_mv |
AT alexandraprokin macroinvertebratesoffluctuatinglakesinmongolia AT alexanderitsvetkov macroinvertebratesoffluctuatinglakesinmongolia AT dmitrygseleznev macroinvertebratesoffluctuatinglakesinmongolia AT alexeyssazhnev macroinvertebratesoffluctuatinglakesinmongolia |
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