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Flora differentiation among local ecotopes in the transzonal study of forest-steppe and steppe mounds

机译:森林草原和草原丘陵跨地带研究中当地生态环境的植物区系分化

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摘要

Flora similarity was assessed using complete floristic lists of five ecotopes in each of four mounds along the transect from meadow steppes to desert steppes. It was found that the circumapical similitude of floras is more significant than the expositional similitude. Soil analysis in separate ecotopes showed that regular changes in the biogeochemical features are manifested along the topographic gradient and under the effect of the insolation exposure of slopes in local (mound) ecosystems. It was noted that the slopes are characterized by the most abundant steppe vegetation classes in the phytosociological spectrum of mound ecotopes.
机译:使用从草原草原到荒漠草原的横断面的四个土墩中每个土墩的五个生态位的完整植物区系列表,来评估植物区系相似性。结果发现,菌群的周向相似度比博览会相似性更重要。在单独的生态环境中进行的土壤分析表明,生物地球化学特征的规律性变化沿地形梯度表现出来,并且在局部(丘陵)生态系统的斜坡日照暴露的影响下得以体现。注意到在丘陵生态位的植物社会学谱中,斜坡的特征是最丰富的草原植被类型。

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  • 来源
    《Biology Bulletin》 |2016年第2期|169-176|共8页
  • 作者单位

    Belgorod State Natl Res Univ, Ul Pobedy 85, Belgorod 308015, Russia;

    Univ Warsaw, Krakowskie Przedmiescie 26-28, PL-00927 Warsaw, Poland;

    Kherson State Univ, Ul 40 Let Oktyabrya 27, UA-73000 Kherson, Ukraine;

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