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On ecology of sibling species Microutus arvalis pallas, 1779 and Microtus rossiaemeridionalis ognev, 1924 (Rodential, Cricetidae) in tsimlyansk sands

机译:论兄弟姐妹Microutus Arvalis Pallas,1779和Microtus rossiaEmeridionalis的Ignev,1924(令人毛骨悚然)(令人毛骨悚然)

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摘要

Ecological features and circadian activity of the common vole sibling species were studied upon joint and separate occurrences. Both species had a similar abundance but different biotopical distribution. Microtus arvalis-chromosome form "obscurus' populated the studied territory more uniformly the studied territory. M. rossiaemeridionalis tended to occur in humid coenoses. In case of joint occurrences, the sibling species occupied different regions of biotopes and the rhythms of their activity change, as a rule, in antiphase. Separation of the spatial and temporal niches of these species is considered as possible avoidance of competition between the closely related species.
机译:在关节和分开的情况下,研究了共同的牧羊犬种类的生态特征和昼夜活动。 两个物种都具有类似的丰富,但不同的生物经济分布。 MicroTus Arvalis-染色体形式“晦暗”填充了学习的领土,更统一地统一的领域。M. Rossiemeridionalis倾向于发生在潮湿的鸽子中。在联合出现的情况下,兄弟姐妹的物种占据了不同地区的生物缺陷和活性变化的节奏, 作为规则,在抗溶酶中。这些物种的空间和时间核性的分离被认为是可能的避免密切相关的物种之间的竞争。

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