Global Ecology and Biogeography

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What does species richness tell us about functional trait diversity? Predictions and evidence for responses of species and functional trait diversity to land‐use change
Global Ecology and Biogeography - Tập 19 Số 4 - Trang 423-431 - 2010
Margaret M. Mayfield, Stephen P. Bonser, John W. Morgan, Isabelle Aubin, Sean McNamara, Peter A. Vesk
ABSTRACTIn the conservation literature on land‐use change, it is often assumed that land‐use intensification drives species loss, driving a loss of functional trait diversity and ecosystem function. Modern research, however, does not support this cascade of loss for all natural systems. In this paper we explore the errors in this assumption and present a conceptual...... hiện toàn bộ
Are ecologists conducting research at the optimal scale?
Global Ecology and Biogeography - Tập 24 Số 1 - Trang 52-63 - 2015
Heather Bird Jackson, Lenore Fahrig
AbstractAimThe spatial extent (scale) at which landscape attributes are measured has a strong impact on inferred species–landscape relationships. Consequently, researchers commonly measure landscape variables at multiple scales to select one scale (the ‘scale of effect’) that yields the strongest species–landscape relationship. Sc...... hiện toàn bộ
A biogeographic model of fire regimes in Australia: current and future implications
Global Ecology and Biogeography - Tập 19 Số 2 - Trang 145-158 - 2010
Ross A. Bradstock
ABSTRACTAim  Patterns of fire regimes across Australia exhibit biogeographic variation in response to four processes. Variations in area burned and fire frequency result from differences in the rates of ‘switching’ of biomass growth, availability to burn, fire weather and ignition. Therefore differing processes limit fire (i.e. the lowest rat...... hiện toàn bộ
Bio‐ORACLE: a global environmental dataset for marine species distribution modelling
Global Ecology and Biogeography - Tập 21 Số 2 - Trang 272-281 - 2012
L. Tyberghein, Heroen Verbruggen, Klaas Pauly, Charles Troupin, Frédéric Mineur, Olivier De Clerck
ABSTRACTAim  The oceans harbour a great diversity of organisms whose distribution and ecological preferences are often poorly understood. Species distribution modelling (SDM) could improve our knowledge and inform marine ecosystem management and conservation. Although marine environmental data are available from various sources, there are cur...... hiện toàn bộ
6000 years of forest dynamics in Suserup Skov, a seminatural Danish woodland
Global Ecology and Biogeography - Tập 9 Số 2 - Trang 101-114 - 2000
Gina E. Hannon, Richard Bradshaw, Jens Emborg
Insights into the area under the receiver operating characteristic curve (AUC) as a discrimination measure in species distribution modelling
Global Ecology and Biogeography - Tập 21 Số 4 - Trang 498-507 - 2012
Alberto Jiménez‐Valverde
ABSTRACTAim  The area under the receiver operating characteristic (ROC) curve (AUC) is a widely used statistic for assessing the discriminatory capacity of species distribution models. Here, I used simulated data to examine the interdependence of the AUC and classical discrimination measures (sensitivity and specificity) derived for the appli...... hiện toàn bộ
A predicted niche shift corresponds with increased thermal resistance in an invasive mite, Halotydeus destructor
Global Ecology and Biogeography - Tập 22 Số 8 - Trang 942-951 - 2013
Matthew P. Hill, Steven L. Chown, Ary A. Hoffmann
AbstractAimPredicted distributions of invasive species are often not congruent between their realized native and introduced ranges, but the reasons for this are rarely investigated empirically. We tested for niche shift in an invasive species using a simple framework combining environmental niche models (... hiện toàn bộ
Niche shift versus niche conservatism? Climatic characteristics of the native and invasive ranges of the Mediterranean house gecko (Hemidactylus turcicus)
Global Ecology and Biogeography - Tập 18 Số 6 - Trang 674-687 - 2009
Dennis Rödder, Stefan Lötters
ABSTRACTAim  The use of ecological niche models (ENMs) to predict potential distributions of species is steadily increasing. A necessary assumption is that climatic niches are conservative, but recent findings of niche shifts during biological invasion indicate that this assumption is not always valid. Selection of predictor variables may be ...... hiện toàn bộ
Power in numbers. Drivers of high population density in insular lizards
Global Ecology and Biogeography - Tập 25 Số 1 - Trang 87-95 - 2016
Maria Novosolov, Gordon H. Rodda, Anat Feldman, Amy E. Kadison, Roi Dor, Shai Meiri
AbstractAimIslands organisms usually have fewer predator and competitor species than mainland ones. This is thought to result in high population densities on islands. We hypothesize that insular lizards have denser populations than mainland species and that density, in general, is negatively correlated with competitor and predator...... hiện toàn bộ
Leaf form–climate relationships on the global stage: an ensemble of characters
Global Ecology and Biogeography - Tập 24 Số 10 - Trang 1113-1125 - 2015
Jian Yang, Robert A. Spicer, Teresa E.V. Spicer, Nan Crystal Arens, Frédéric M.B. Jacques, Tao Su, Elizabeth M. Kennedy, Alexei B. Herman, David C. Steart, Gaurav Srivastava, R.C. Mehrotra, Paul J. Valdes, Naresh C. Mehrotra, Zhe‐Kun Zhou, Jiangshan Lai
AbstractAimEarly in their evolution, angiosperms evolved a diversity of leaf form far greater than that of any other group of land plants. Some of this diversity evolved in response to varying climate. Our aim is to test the global relationship between leaf form in woody dicot angiosperms and the climate in which they live.... hiện toàn bộ
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