Comparison of Species Abundance Distributions in the Forests of Iran North
- Vahab Sohrabi
- Ramin Rahmani
Abstract
To compare the abundance distribution models of species in the forests of iran north (Golestan province) 6 sites of forests were selected that in each of site, 30 modified whittaker plots in range of 850-950 altitude from the sea level in north aspect were located. In this 20×50 m2 frame, the species name and frequency of trees and shrubs recorded. Then said information give to BIO-DAP software. This software order species based on its frequencies and fit the best abundance distributions on data with showing digits. The results showed that, the gorgan beech site has most fitness with logarithmic series models and then log normal. The oak sites so, has most fitness first with lognormal model and then logarithmic series.
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- DOI:10.5539/ijb.v3n3p156
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