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[Spring macrobenthos communities of the Moscow province].

Authors: M V, Chertoprud;

[Spring macrobenthos communities of the Moscow province].

Abstract

Macrozoobenthos communities are described based on material from 70 springs and spring brooks of the Moscow province. The communities include 587 taxa of various origin: 27 rheophiles, 11 crenobionts, 10 ubiquists of small water bodies, and 3 limnophiles. Rheophile species predominate in diversity (52%) and total abundance (41.5%). Crenobionts include Beraea pullata, B. maura, Crunoecia irrorata, Apatania zonella, Parachiona picicornis, Potamophylax nigrocornis, Oxycera pseudoamoena, O. rara, O. pardalina, Pedicia rivosa, Thaumalea testacea; six of these are recorded in the region for the first time. Four types of spring communities are recognised in the region according to the Braun-Blanquet method: with predominant Rhyacophilafasciata and Baetis rhodani (macrorheocrenes), Potamophylax nigroicornis (microrheocrenes), Nemurella pictetii (limnocrenes), and Parachiona picicornis (helocrenes). Three of them are confined to water bodies of different size and flow velocity; one (N. pictetii) is linked to weakly flowing silted wated bodies. Change of spring communities is often observed also downstream due to the distance from the opening of the spring. The structure of rheocrene communities is most similar to that of brooks, that are significantly larger than the rheocrenes. Limnocrene and helocrene communities have no counterparts among communities of other types of water bodies. Some of the specific traits of spring communities fit the island theory and can be explained by it. Comparison of the studied communities with those of springs of Sweden and England reveals wide variance of the general faunistic composition of the communities with a rather stable assortmeont of troglobiot species.

Keywords

Animals, Fresh Water, Biomass, Moscow, Zooplankton

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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!
1
Average
Average
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