Probabilistic accounting of uncertainty in forecasts of species distributions under climate change

© 2013 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 19(2013), 11 vom: 01. Nov., Seite 3343-54
1. Verfasser: Wenger, Seth J (VerfasserIn)
Weitere Verfasser: Som, Nicholas A, Dauwalter, Daniel C, Isaak, Daniel J, Neville, Helen M, Luce, Charles H, Dunham, Jason B, Young, Michael K, Fausch, Kurt D, Rieman, Bruce E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Salvelinus confluentus bull trout ensemble generalized linear model model uncertainty species distribution model suitable habitat
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520 |a Forecasts of species distributions under future climates are inherently uncertain, but there have been few attempts to describe this uncertainty comprehensively in a probabilistic manner. We developed a Monte Carlo approach that accounts for uncertainty within generalized linear regression models (parameter uncertainty and residual error), uncertainty among competing models (model uncertainty), and uncertainty in future climate conditions (climate uncertainty) to produce site-specific frequency distributions of occurrence probabilities across a species' range. We illustrated the method by forecasting suitable habitat for bull trout (Salvelinus confluentus) in the Interior Columbia River Basin, USA, under recent and projected 2040s and 2080s climate conditions. The 95% interval of total suitable habitat under recent conditions was estimated at 30.1-42.5 thousand km; this was predicted to decline to 0.5-7.9 thousand km by the 2080s. Projections for the 2080s showed that the great majority of stream segments would be unsuitable with high certainty, regardless of the climate data set or bull trout model employed. The largest contributor to uncertainty in total suitable habitat was climate uncertainty, followed by parameter uncertainty and model uncertainty. Our approach makes it possible to calculate a full distribution of possible outcomes for a species, and permits ready graphical display of uncertainty for individual locations and of total habitat 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Salvelinus confluentus 
650 4 |a bull trout 
650 4 |a ensemble 
650 4 |a generalized linear model 
650 4 |a model uncertainty 
650 4 |a species distribution model 
650 4 |a suitable habitat 
700 1 |a Som, Nicholas A  |e verfasserin  |4 aut 
700 1 |a Dauwalter, Daniel C  |e verfasserin  |4 aut 
700 1 |a Isaak, Daniel J  |e verfasserin  |4 aut 
700 1 |a Neville, Helen M  |e verfasserin  |4 aut 
700 1 |a Luce, Charles H  |e verfasserin  |4 aut 
700 1 |a Dunham, Jason B  |e verfasserin  |4 aut 
700 1 |a Young, Michael K  |e verfasserin  |4 aut 
700 1 |a Fausch, Kurt D  |e verfasserin  |4 aut 
700 1 |a Rieman, Bruce E  |e verfasserin  |4 aut 
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773 1 8 |g volume:19  |g year:2013  |g number:11  |g day:01  |g month:11  |g pages:3343-54 
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