نتایج جستجو برای: altitudinal gradient
تعداد نتایج: 127976 فیلتر نتایج به سال:
Abstract The Cautín River is closely related with the economic development of Temuco city, (38°S; Chile). Existing knowledge limited to information about its biological characteristics as a reference for evaluation and assessment water quality. object this study was develop taxonomic characterisation benthic macroinvertebrates along main course River, community structure using correlation analy...
Knowledge about plant communities and their relationships with ecological factors is one of the most important issues in conservation ecology particularly in the recent decades. The current investigation aimed to study the vegetation ecology of Palangan habitat in Aghdagh Protected area, Ardabil province. In order to collect species and environmental data, a total of 45 plots along a 1500 m ele...
Oribatid mite communities were studied in the Central Alps (Obergurgl, Tyrol, Austria). Samples were taken on four sites along an altitudinal gradient from 2050 m a.s.l to 2900 m a.s.l., in different vegetation units (pine forest, Nardetum, Caricetum, Androsacetum). A total of 86 species were found, most of them occurred only at one altitude, four species were found in all four study sites. Thr...
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