Precipitation manipulation experiments - challenges and recommendations for the future
Publikation: Bidrag til tidsskrift › Review › Forskning › fagfællebedømt
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Precipitation manipulation experiments - challenges and recommendations for the future. / Beier, Claus; Beierkuhnlein, Carl; Wohlgemuth, Thomas; Penuelas, Josep; Emmett, Bridget; Körner, Christian; de Boeck, Hans; Christensen, Jens Hesselbjerg; Leuzinger, Sebastian; Janssens, Ivan A.; Hansen, Karin.
I: Ecology Letters, Bind 15, Nr. 8, 2012, s. 899-911.Publikation: Bidrag til tidsskrift › Review › Forskning › fagfællebedømt
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TY - JOUR
T1 - Precipitation manipulation experiments - challenges and recommendations for the future
AU - Beier, Claus
AU - Beierkuhnlein, Carl
AU - Wohlgemuth, Thomas
AU - Penuelas, Josep
AU - Emmett, Bridget
AU - Körner, Christian
AU - de Boeck, Hans
AU - Christensen, Jens Hesselbjerg
AU - Leuzinger, Sebastian
AU - Janssens, Ivan A.
AU - Hansen, Karin
PY - 2012
Y1 - 2012
N2 - Climatic changes, including altered precipitation regimes, will affect key ecosystem processes, such as plant productivity and biodiversity for many terrestrial ecosystems. Past and ongoing precipitation experiments have been conducted to quantify these potential changes. An analysis of these experiments indicates that they have provided important information on how water regulates ecosystem processes. However, they do not adequately represent global biomes nor forecasted precipitation scenarios and their potential contribution to advance our understanding of ecosystem responses to precipitation changes is therefore limited, as is their potential value for the development and testing of ecosystem models. This highlights the need for new precipitation experiments in biomes and ambient climatic conditions hitherto poorly studied applying relevant complex scenarios including changes in precipitation frequency and amplitude, seasonality, extremity and interactions with other global change drivers. A systematic and holistic approach to investigate how soil and plant community characteristics change with altered precipitation regimes and the consequent effects on ecosystem processes and functioning within these experiments will greatly increase their value to the climate change and ecosystem research communities. Experiments should specifically test how changes in precipitation leading to exceedance of biological thresholds affect ecosystem resilience and acclimation.
AB - Climatic changes, including altered precipitation regimes, will affect key ecosystem processes, such as plant productivity and biodiversity for many terrestrial ecosystems. Past and ongoing precipitation experiments have been conducted to quantify these potential changes. An analysis of these experiments indicates that they have provided important information on how water regulates ecosystem processes. However, they do not adequately represent global biomes nor forecasted precipitation scenarios and their potential contribution to advance our understanding of ecosystem responses to precipitation changes is therefore limited, as is their potential value for the development and testing of ecosystem models. This highlights the need for new precipitation experiments in biomes and ambient climatic conditions hitherto poorly studied applying relevant complex scenarios including changes in precipitation frequency and amplitude, seasonality, extremity and interactions with other global change drivers. A systematic and holistic approach to investigate how soil and plant community characteristics change with altered precipitation regimes and the consequent effects on ecosystem processes and functioning within these experiments will greatly increase their value to the climate change and ecosystem research communities. Experiments should specifically test how changes in precipitation leading to exceedance of biological thresholds affect ecosystem resilience and acclimation.
KW - Climate change
KW - Experimental design
KW - Manipulative experiments
KW - Precipitation change
KW - Precipitation patterns
KW - Precipitation scenarios
U2 - 10.1111/j.1461-0248.2012.01793.x
DO - 10.1111/j.1461-0248.2012.01793.x
M3 - Review
AN - SCOPUS:85027935141
VL - 15
SP - 899
EP - 911
JO - Ecology Letters
JF - Ecology Letters
SN - 1461-023X
IS - 8
ER -
ID: 186940259