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Understanding variation in abundance within species' ranges is fundamental for ecological and evolutionary theory and applied conservation science. The abundant‐center model provides a general hypothesis based on basic ecological principles and macroscale biogeographic patterns: abundance should peak near the center of a species' range, where environmental conditions are most favorable, and decline...
Rattan is one of the most important non-timber forest products after timber that has been used in many applications. Rattan is belonging to the family Arecaceae or Palmae and subfamily Calamoideae. While Malaysia is known to have abundant resources of rattan, there is no comprehensive publication available on the distribution patterns, species abundance and species composition of rattan, especially...
Existing models of species abundance distributions (SADs) can be divided into those that are based on concepts of common limited niche space (niche apportionment models, neutral models) and those that invoke standard statistical distributions (e. g. log-series, lognormal). While the first type of models assumes that competitive interactions lead to observed SADs, the models of the second type appear...
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