mesotrophic lake
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CATENA ◽  
2021 ◽  
Vol 207 ◽  
pp. 105630
Author(s):  
Longjuan Cheng ◽  
Bin Xue ◽  
Edyta Zawisza ◽  
Jinliang Liu ◽  
Shuchun Yao ◽  
...  


2021 ◽  
Vol 14 (4) ◽  
pp. 391-400
Author(s):  
Zh. F. Buseva ◽  
M. I. Gladyshev ◽  
N. N. Sushchik ◽  
E. A. Sysova ◽  
K. V. Myagkova ◽  
...  


PeerJ ◽  
2021 ◽  
Vol 9 ◽  
pp. e11628
Author(s):  
Gazhit Ts. Tsybekmitova ◽  
Larisa D. Radnaeva ◽  
Natalya A. Tashlykova ◽  
Valentina G. Shiretorova ◽  
Balgit B. Bazarova ◽  
...  

Small lakes have lower water levels during dry years as was the case in 2000–2020. We sought to show the biodiversity of plant communities at various water levels in Lake Arakhley. Changes in moisture content are reflected in the cyclical variations of the water level in the lake, which decreased approximately 2 m in 2017–2018. These variations affect the biological diversity of the aquatic ecosystems. We present the latest data on the state of the plant communities in this mesotrophic lake located in the drainage basin of Lake Baikal. Lake Arakhley is a freshwater lake with low mineral content and a sodium hydrocarbonate chemical composition. Changes in the nutrient concentration were related to precipitation; inflow volume and organic matter were autochtonous at low water levels. The most diverse groups of phytoplankton found in the lake were Bacillariophyta, Chlorophyta, and Chrysophyta. High biodiversity values indicate the complexity and richness of the lake’s phytoplankton community. A prevalence of Lindavia comta was observed when water levels were low and Asterionella formosa dominated in high-water years. The maximum growth depth of lacustrine vegetation decreased from 11.0 m to 4.0 m from 1967 to 2018. Decreasing water levels were accompanied by a reduction in the littoral zone, altering the communities of aquatic plants. The hydrophyte communities were monodominant in the dry years and were represented by Ceratophyllum demersum. The vegetation cover of the lake was more diverse in high-water years and variations in the lake’s water content altered the composition of biogenic substances. These changes were reflected in the lake’s phytocenosis.



Author(s):  
Alexandra L. Morrison ◽  
Mary A. Thelen ◽  
Sarah E. Howe ◽  
Kyle D. Zimmer ◽  
Brian R. Herwig ◽  
...  


2021 ◽  
Vol 121 ◽  
pp. 107069
Author(s):  
Ai-Ping Wu ◽  
Shi-Yun Ye ◽  
Jin-Rui Yuan ◽  
Liang-Yu Qi ◽  
Zheng-Wu Cai ◽  
...  


2020 ◽  
Author(s):  
Vladimir I. Razlutskij ◽  
Zhanna F. Buseva ◽  
Irina Yu. Feniova ◽  
Vitaliy P. Semenchenko


2020 ◽  
Vol 65 (12) ◽  
pp. 2937-2952
Author(s):  
Urumu Tsunogai ◽  
Yuko Miyoshi ◽  
Toshiyuki Matsushita ◽  
Daisuke D. Komatsu ◽  
Masanori Ito ◽  
...  


2020 ◽  
Vol 65 (5) ◽  
pp. 960-970 ◽  
Author(s):  
Egor Katkov ◽  
Étienne Low‐Décarie ◽  
Gregor F. Fussmann


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