Do global change experiments overestimate impacts on terrestrial ecosystems?
Leuzinger, Sebastian, Luo, Yiqi, Beier, Claus, Dieleman, Wouter, Vicca, Sara, and Körner, Christian (2011) Do global change experiments overestimate impacts on terrestrial ecosystems? Trends in Ecology & Evolution, 26 (5). pp. 236-241.
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In recent decades, many climate manipulation experiments have investigated biosphere responses to global change. These experiments typically examined effects of elevated atmospheric CO2, warming or drought (driver variables) on ecosystem processes such as the carbon and water cycle (response variables). Because experiments are inevitably constrained in the number of driver variables tested simultaneously, as well as in time and space, a key question is how results are scaled up to predict net ecosystem responses. In this review, we argue that there might be a general trend for the magnitude of the responses to decline with higher-order interactions, longer time periods and larger spatial scales. This means that on average, both positive and negative global change impacts on the biosphere might be dampened more than previously assumed.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||04 EARTH SCIENCES > 0401 Atmospheric Sciences > 040104 Climate Change Processes @ 100%|
|SEO Codes:||96 ENVIRONMENT > 9603 Climate and Climate Change > 960310 Global Effects of Climate Change and Variability (excl. Australia, New Zealand, Antarctica and the South Pacific) @ 100%|
|Deposited On:||28 Feb 2012 10:49|
|Last Modified:||28 Feb 2012 18:02|
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