Pincheira-Ulbrich1 J, JR Rau2, F Peña-Cortés1
Phyton-International Journal of Experimental Botany, Vol.78, pp. 121-128, 2009, DOI:10.32604/phyton.2009.78.121
Abstract The size and shape of 10 native forest patches were related to tree and shrub species richness in the pre coastal mountain range in Osorno province, southern Chile. Four regression models were adjusted (lineal, logarithm, exponential, and power regression) between patch size (area = x) and tree and shrub species richness (y). Patch shape was quantified through three indexes (Patton diversity index, compactness index and fractal dimension) which were correlated with the tree and shrub richness. Results allowed to conclude that (1) species richness tends to increase significantly with patch size; this relationship was explained More >
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