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dc.contributor.authorSoberón, Jorge
dc.identifier.citationA Grinnellian Niche Perspective on Species-Area Relationships, Jorge Soberón, The American Naturalist 2019 194:6, 760-775en_US
dc.description.abstractIn this work, Grinnellian niche theory (a body of theory about geographic distributions of species in terms of noninteracting niche variables) is used to demonstrate that species-area relationships emerge with both size of environmental space and size of geographic area. As environmental space increases, more species’ fundamental niches are included, thus increasing the number of species capable of living in the corresponding region. This idea is made operational by proposing a size measure for multidimensional environmental space and approximating fundamental niches with minimum volume ellipsoids. This framework allows estimating a presence-absence matrix based on the distribution of fundamental niches in environmental space, from which many biodiversity measures can be calculated, such as beta diversity. I establish that Whittaker’s equation for beta diversity is equivalent to MacArthur’s formula relating species numbers and niche breadth; this latter equation provides a mechanism for the species–niche space relationship. I illustrate the theoretical results via exploration of niches of the terrestrial mammals of North America (north of Panama). Each world region has a unique structure of its environmental space, and the position of fundamental niches in niche space is different for different clades; therefore, species-area relationships depend on the clades involved and the region of focus, mostly as a function of MacArthur’s niche beta diversity. Analyzing species-area relationships from the perspective of niche position in environmental space is novel, shifting emphasis from demographic processes to historical, geographic, and climatic factors; moreover, the Grinnellian approach is based on available data and is computationally feasible.en_US
dc.publisherUniversity of Chicago Pressen_US
dc.rights© 2019 by The University of Chicago.en_US
dc.subjectSpecies-area relationshipsen_US
dc.subjectFundamental nicheen_US
dc.subjectNiche spaceen_US
dc.subjectPresence-absence matricesen_US
dc.subjectBeta diversityen_US
dc.titleA Grinnellian Niche Perspective on Species-Area Relationshipsen_US
kusw.kuauthorSoberón, Jorge
kusw.kudepartmentEcology & Evolutionary Biologyen_US
kusw.kudepartmentKU Biodiversity Instituteen_US
kusw.oanotesPer Sherpa Romeo 12/21/2020:

American Naturalist [Open panel below]Publication Information TitleAmerican Naturalist [English] ISSNs Print: 0003-0147 Electronic: 1537-5323 URL PublishersUniversity of Chicago Press [University Publisher] [Open panel below]Publisher Policy Open Access pathways permitted by this journal's policy are listed below by article version. Click on a pathway for a more detailed view.

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12m Non-Commercial Institutional Repository, Non-Commercial Subject Repository, +1 Embargo12 Months Location Non-Commercial Institutional Repository Non-Commercial Subject Repository Preprint Repository Conditions Non-commercial use only Publisher copyright and source must be acknowledged with set statement Encouraged to link to publisher version
kusw.oaversionScholarly/refereed, publisher versionen_US
kusw.oapolicyThis item meets KU Open Access policy criteria.en_US

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