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水生生物学期刊

每年出版 6 

ISSN 打印: 0018-8166

ISSN 在线: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

Structural and Functional Parameters of Macrozoobenthos of Water Ecotones and Indicators of the Ecotone Boundaries

卷 34, 册 2&3, 1998, pp. 111-119
DOI: 10.1615/HydrobJ.v34.i2-3.130
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摘要

Species composition, numbers, biomass, and production-destruction index of macrozoobenthos were analyzed in the Ukrainian region of lower Danube. Comparison of these parameters with those of a reference ecotone showed that the boundary of the Danube river-sea ecotone is within the foremost part of the estuary. Theoretically, an ecotone was assumed to result from what was termed marginal effect, i.e., specific ecological synergy of two bordering ecosystems. The increased species abundance in an ecotone was considered as its consequence.

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