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Coefficient shifts in geographical ecology: an empirical evaluation of spatial ...
Bini, L. Mauricio; Diniz-Filho, J. Alexandre F.; Rangel, Thiago F. L. V. B.; Akre, Thomas S. B.; Albaladejo, Rafael G.; Albuquerque, Fabio S.Copyright © 2009 The Authors. Copyright © ECOGRAPHY 2009. ; A major focus of geographical ecology and macro ecology is to understand the causes of spatially structured ecological patterns. However, achieving this understanding can be complicated when using multiple regressions, because the relative importance of explanatory variables, as measured by regression coefficients, can shift depending on whether spati...
Measurements of area and the (island) species-area relationship: new directions...
Triantis, Kostas A.; Nogués-Bravo, David; Hortal, Joaquín; Borges, Paulo A. V.; Adsersen, Henning; Fernández-Palacios, José María; Araújo, Miguel B.Copyright © 2008 The Authors. Journal compilation. ; Copyright © 2008 Oikos. ; The species-area relationship is one of the strongest empirical generalizations in geographical ecology, yet controversy persists about some important questions concerning its causality and application. Here, using more accurate measures of island surface size for five different island systems, we show that increasing the accuracy ...
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