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- Title
Study of non-consumptive mortality of Crustacean zooplankton in a Siberian reservoir using staining for live/dead sorting and sediment traps.
- Authors
Dubovskaya, Olga P.; Gladyshev, Michail I.; Gubanov, Vladimir G.; Makhutova, Olesia N.
- Abstract
We studied non-consumptive (non-predatory) mortality of Daphnia and Cyclops vicinus during four sampling seasons. Mortality estimations were based on live/dead sorting using special staining and measurements of sedimentation rates for dead individuals, depended on wind speed. Original equations were used for calculations. The estimated specific non-consumptive mortality never had biologically senseless negative values, which were often obtained on the basis of the other ways of mortality estimations, and was in a good agreement with other components of population dynamics. As found, the non-consumptive mortality was the important, often the determinant component of the zooplankton population dynamics.
- Subjects
CYCLOPS (Crustaceans); DAPHNIA; ZOOPLANKTON; PREDATION; BIOMANIPULATION; RESERVOIR sedimentation; RESERVOIRS; AQUATIC biology
- Publication
Hydrobiologia, 2003, Vol 504, Issue 1-3, p223
- ISSN
0018-8158
- Publication type
Article
- DOI
10.1023/B:HYDR.0000008522.88010.45