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Влияние Mnemiopsis leidyi на некоторые трофические звенья Каспийского моря

Влияние Mnemiopsis leidyi на некоторые трофические звенья Каспийского моря

Abstract

Results of monitoring investigations over the past 10 years are presented concerning the distribution of a new species-invader in the Caspian Sea, Mnemiopsis leidyi. The spatial distribution of its population is shown during the period of its maximal development in August-September. The influence of that gelatinous invader on different levels of the trophic pyr-amid is described to show the cause of qualitative and quantitative decline in the nutritive base both of plankton feeders (Caspian kilka, shads) and mollusk-eating fish (roach, sea bream and common carp), to estimate the level and reveal the trend of ecosystem development in the Caspian Sea in the near future.

Представлены результаты мониторинговых исследований за последнее десятилетие пораспространению и распределению нового для Каспия вида-вселенца-вселенцев, пространственное распределение его популяции при максимальном пике развития (август-сентябрь). Описано влияние желетелого вселенца на различные уровни трофической пирамиды, что позволяет выявить причину снижения качественных и количественных показателей кормовой базы не только планктоноядных рыб (каспийские кильки, сельди), но и рыб-моллюскоедов (вобла, морской лещ и сазан), а так же оценить и дать тенденцию уровня развития экосистем Каспийского моря на ближайшее будущее.

Keywords

ВСЕЛЕНЕЦ, ГРЕБНЕВИК, МНЕМИОПСИС, ПОПУЛЯЦИЯ, ТРОФИЧЕСКАЯ ЦЕПЬ, ЭКОСИСТЕМА

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold
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