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From genetic neighbourhood to local community: Estimating a key parameter of the Unified Neutral Theory of Biodiversity RChHN
RICHARDSON,BARRY J; ARIAS-BOHART,ELIZABETH T.
Issues related to the size and nature of what is termed a ''local community'' in a continuous metacommunity under unified neutral theory are explored. Developments in the parallel field of neutral genetics theory allow the size of genetic neighbourhoods in the context of isolation by distance processes to be calculated. These suggest a way to estimate the geographical size of an equivalent form of local community in ecology. It is derived from the estimated spatial autocorrelation value at zero geographical distance and this is obtained using the distribution of the relative frequencies of species in field samples separated by varying geographical distance. A data set of 62000 beetles collected for other purposes, and consisting of beetle samples collected...
Tipo: Journal article Palavras-chave: Araucaria; Beetle communities; Effective community size; Estimating parameter J; Nothofagus.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2011000400003
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