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Variations of tree species composition and community structure and their relationship with environmental variables are described for five sites of the Atlantic rain forest in Picinguaba, southeastern Brazil, distributed along an elevation gradient sampled by plots located at the altitudes of 2, 100, 300, 600 and 1000m a.s.l. Sampled trees with DBH≥5cm were identified to species level and their diameter...
In this study we investigated the variations in soil seed banks along an altitudinal gradient in the Alborz mountains, Iran, covering three habitats from lower to upper altitudes: forest, forest-subalpine grassland ecotone and subalpine meadow. In each habitat from 1850 to 2400m, 20 quadrats were established along four transects, and the above-ground vegetation and the germinable seed banks were determined...
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