Species area relations generated by theoretical relative abundance distributions: parameter values, model fit and relation to species saturation studies
Species - area relations
Polish Academy of Sciences. Institute of Ecology
Polish Academy of Sciences. Institute of Ecology. Publishing Office
Pages 67-77 : illustrations ; 27 cm
Bibliographical references (pages 76-77)
Using model assemblages and random samplings the relations between 8 relative abundance distributions (RADs) (broken stick, logseries, power fraction, random fraction, Sugihara fraction, and two types of Zipf-Mandelbrot models) and resulting species-area relationships (SPARs) were studied. It is shown that the model fit of the power function and the exponential SPAR model depends mainly on the number of species per unit of area, the fraction of singletons in the sample, and the total species number in the assemblage. Sugihara and power fraction RADs did not necessarily led to power function SPARs but are characterized by relatively high slope values in comparison to other distributions. Random placement and sampling of individuals of Zipf-Mandelbrot and log-series distributions resulted in curvilinear local vs. regional plots and the slope value z of the power function SPAR was not necessarily constant but could be forced to become constant by introducing a correction factor into the power function SPAR. The implications of these findings for detecting local species saturation are discussed.
Polish Journal of Ecology
MiIZ PAN, call no. P.2840
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Ekologia Polska (1953-2011)
Ekologia Polska, późn. tyt.: Polish Journal of Ecology (t. 1-51)
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Ekologia Polska, późn. tyt.: Wiadomości Ekologiczne (t. 1-57)