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полныйинформационныйкраткий
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    The effect of salinity on the grazing rate and survival of Daphnia magna females adapted to different salinities / E. S. Zadereev, T. S. Lopatina, S. D. Ovchinnikov [et al.] // Aquat. Ecol. - 2022, DOI 10.1007/s10452-021-09941-7. - Cited References:47. - The reported study was funded by the Krasnoyarsk Regional Fund for supporting scientific and technical activities, the Krasnoyarsk Krai Government and the Russian Foundation for Basic Research, project number 19-44-240010. We are grateful to professional English translator Elena Krasova for language corrections. . - Article in press. - ISSN 1386-2588. - ISSN 1573-5125
РУБ Ecology + Limnology + Marine & Freshwater Biology
Рубрики:
FEEDING-BEHAVIOR
   PHYTOPLANKTON CONTROL

   SPECIES COMPOSITION

Кл.слова (ненормированные):
Salinity -- Grazing -- Phytoplankton -- Adaptation -- Daphnia
Аннотация: The cladoceran Daphnia magna inhabits lakes with salinities up to 10 g L-1. We compared the effects of different salinities (up to 9 g L-1) on the survival, specific grazing rate, and size selective feeding of Daphnia females adapted to fresh or saline waters (3-4 g L-1). The freshwater population was more sensitive to high salinity (LC50 = 5.3 g L-1), while the survival of the saline water population also decreased in fresh water. Freshwater population demonstrated a higher grazing rate in fresh water, while the saline water population had a higher grazing rate at the salinity above 3 g L-1. A decrease in the grazing rate of the freshwater population was observed at the salinity above 4-5 g L-1. Populations differed in food selectivity. The saline water population consumed particles of larger sizes than the freshwater population. The average size of phytoplankton particles grazed in fresh water was larger than in saline water. This size selective salinity-dependent grazing may be related to the dependence of the feeding efficiency of cladocerans on the viscosity of water and size of phytoplankton particles. Our results indicate that Daphnia populations adapted to a certain salinity can temporarily lose the ability to control phytoplankton because of salinity fluctuations.

WOS
Держатели документа:
Russian Acad Sci, Fed Res Ctr, Krasnoyarsk Sci Ctr, Inst Biophys, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodniy Ave, Krasnoyarsk 660041, Russia.
Khakassky State Nat Reserve, POB 189, Abakan 655017, Russia.

Доп.точки доступа:
Zadereev, E. S.; Lopatina, T. S.; Ovchinnikov, S. D.; Oskina, N. A.; Drobotov, A., V; Tolomeev, A. P.; Krasnoyarsk Regional Fund; Krasnoyarsk Krai Government; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-44-240010]

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