Journal article
Animal-Mediated Ecosystem Process Rates in Forests and Grasslands are Affected by Climatic Conditions and Land-Use Intensity
Ecosystems, Vol.24, pp.467-483
2021
Abstract
Decomposition, vegetation regeneration, and biological control are essential ecosystem functions, and animals are involved in the underlying processes, such as dung removal, seed removal, herbivory, and predation. Despite evidence for declines of animal diversity and abundance due to climate change and land-use intensification, we poorly understand how animal-mediated processes respond to these global change drivers. We experimentally measured rates of four ecosystem processes in 134 grassland and 149 forest plots in Germany and tested their response to climatic conditions and land-use intensity, that is, grazing, mowing, and fertilization in grasslands and the proportion of harvested wood, non-natural trees, and deadwood origin in forests. For both climate and land use, we distinguished between short-term effects during the survey period and medium-term effects during the preceding years. Forests had significantly higher process rates than grasslands. In grasslands, the climatic effects on the process rates were similar or stronger than land-use effects, except for predation; land-use intensity negatively affected several process rates. In forests, the land-use effects were more pronounced than the climatic effects on all processes except for predation. The proportion of non-natural trees had the greatest impact on the process rates in forests. The proportion of harvested wood had negative effects, whereas the proportion of anthropogenic deadwood had positive effects on some processes. The effects of climatic conditions and land-use intensity on process rates mirror climatic and habitat effects on animal abundance, activity, and resource quality. Our study demonstrates that land-use changes and interventions affecting climatic conditions will have substantial impacts on animal-mediated ecosystem processes.
Details
- Title
- Animal-Mediated Ecosystem Process Rates in Forests and Grasslands are Affected by Climatic Conditions and Land-Use Intensity
- Authors
- Didem Ambarlı (Corresponding Author) - Technical University MunichNadja K Simons (Author) - Technical University MunichKatja Wehner (Author) - Technical University of DarmstadtWiebke Kämper (Author) - University of the Sunshine Coast, Queensland, School of Science and Engineering - LegacyMartin M Gossner (Author) - Institute of Terrestrial Ecosystems - ETH ZürichThomas Nauss (Author) - Philipps University of MarburgFelix Neff (Author) - Swiss Federal Research Institute WSLSebastian Seibold (Author) - Technical University MunichWolfgang Weisser (Author) - Technical University MunichNico Blüthgen (Author) - Technical University of Darmstadt
- Publication details
- Ecosystems, Vol.24, pp.467-483
- Publisher
- Springer New York LLC
- DOI
- 10.1007/s10021-020-00530-7
- ISSN
- 1435-0629
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Science and Engineering - Legacy
- Language
- English
- Record Identifier
- 99482303202621
- Output Type
- Journal article
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