Uncertainty in predicting range dynamics of endemic alpine plants under climate warming

© 2016 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 22(2016), 7 vom: 15. Juli, Seite 2608-19
1. Verfasser: Hülber, Karl (VerfasserIn)
Weitere Verfasser: Wessely, Johannes, Gattringer, Andreas, Moser, Dietmar, Kuttner, Michael, Essl, Franz, Leitner, Michael, Winkler, Manuela, Ertl, Siegrun, Willner, Wolfgang, Kleinbauer, Ingrid, Sauberer, Norbert, Mang, Thomas, Zimmermann, Niklaus E, Dullinger, Stefan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article European Alps climate change dispersal/demographic rates dynamic model endemic plant species extinction risk range shift species distribution model
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245 1 0 |a Uncertainty in predicting range dynamics of endemic alpine plants under climate warming 
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520 |a Correlative species distribution models have long been the predominant approach to predict species' range responses to climate change. Recently, the use of dynamic models is increasingly advocated for because these models better represent the main processes involved in range shifts and also simulate transient dynamics. A well-known problem with the application of these models is the lack of data for estimating necessary parameters of demographic and dispersal processes. However, what has been hardly considered so far is the fact that simulating transient dynamics potentially implies additional uncertainty arising from our ignorance of short-term climate variability in future climatic trends. Here, we use endemic mountain plants of Austria as a case study to assess how the integration of decadal variability in future climate affects outcomes of dynamic range models as compared to projected long-term trends and uncertainty in demographic and dispersal parameters. We do so by contrasting simulations of a so-called hybrid model run under fluctuating climatic conditions with those based on a linear interpolation of climatic conditions between current values and those predicted for the end of the 21st century. We find that accounting for short-term climate variability modifies model results nearly as differences in projected long-term trends and much more than uncertainty in demographic/dispersal parameters. In particular, range loss and extinction rates are much higher when simulations are run under fluctuating conditions. These results highlight the importance of considering the appropriate temporal resolution when parameterizing and applying range-dynamic models, and hybrid models in particular. In case of our endemic mountain plants, we hypothesize that smoothed linear time series deliver more reliable results because these long-lived species are primarily responsive to long-term climate averages 
650 4 |a Journal Article 
650 4 |a European Alps 
650 4 |a climate change 
650 4 |a dispersal/demographic rates 
650 4 |a dynamic model 
650 4 |a endemic plant species 
650 4 |a extinction risk 
650 4 |a range shift 
650 4 |a species distribution model 
700 1 |a Wessely, Johannes  |e verfasserin  |4 aut 
700 1 |a Gattringer, Andreas  |e verfasserin  |4 aut 
700 1 |a Moser, Dietmar  |e verfasserin  |4 aut 
700 1 |a Kuttner, Michael  |e verfasserin  |4 aut 
700 1 |a Essl, Franz  |e verfasserin  |4 aut 
700 1 |a Leitner, Michael  |e verfasserin  |4 aut 
700 1 |a Winkler, Manuela  |e verfasserin  |4 aut 
700 1 |a Ertl, Siegrun  |e verfasserin  |4 aut 
700 1 |a Willner, Wolfgang  |e verfasserin  |4 aut 
700 1 |a Kleinbauer, Ingrid  |e verfasserin  |4 aut 
700 1 |a Sauberer, Norbert  |e verfasserin  |4 aut 
700 1 |a Mang, Thomas  |e verfasserin  |4 aut 
700 1 |a Zimmermann, Niklaus E  |e verfasserin  |4 aut 
700 1 |a Dullinger, Stefan  |e verfasserin  |4 aut 
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