Arid
DOI10.1016/j.jenvman.2012.11.024
Model-based analysis of the environmental impacts of grazing management on Eastern Mediterranean ecosystems in Jordan
Schaldach, Ruediger1; Wimmer, Florian1; Koch, Jennifer1; Volland, Jan1; Geissler, Katja2; Koechy, Martin3
通讯作者Schaldach, Ruediger
来源期刊JOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN0301-4797
EISSN1095-8630
出版年2013
卷号127页码:S84-S95
英文摘要

Eastern Mediterranean ecosystems are prone to desertification when under grazing pressure. Therefore, management of grazing intensity plays a crucial role to avoid or to diminish land degradation and to sustain both livelihoods and ecosystem functioning. The dynamic land-use model LandSHIFT was applied to a case study on the country level for Jordan. The impacts of different stocking densities on the environment were assessed through a set of simulation experiments for various combinations of climate input and assumptions about the development of livestock numbers. Indicators used for the analysis include a set of landscape metrics to account for habitat fragmentation and the "Human Appropriation of Net Primary Production" (HANPP), i.e., the difference between the amount of net primary production (NPP) that would be available in a natural ecosystem and the amount of NPP that remains under human management. Additionally, the potential of the economic valuation of ecosystem services, including landscape and grazing services, as an analysis concept was explored. We found that lower management intensities had a positive effect on HANPP but at the same time resulted in a strong increase of grazing area. This effect was even more pronounced under climate change due to a predominantly negative effect on the biomass productivity of grazing land. Also Landscape metrics tend to indicate decreasing habitat fragmentation as a consequence of lower grazing pressure. The valuation of ecosystem services revealed that low grazing intensity can lead to a comparatively higher economic value on the country level average. The results from our study underline the importance of considering grazing management as an important factor to manage dry-land ecosystems in a sustainable manner. (c) 2012 Elsevier Ltd. All rights reserved.


英文关键词Sustainable management of Mediterranean grazing land Land-use modeling Climate change Landscape metrics Ecosystem service value Human Appropriation of Net Primary Production (HANPP)
类型Article
语种英语
国家Germany
收录类别SCI-E ; SSCI
WOS记录号WOS:000324227900010
WOS关键词LAND ; CLIMATE ; DESERTIFICATION ; FRAGMENTATION ; VALIDATION ; DIVERSITY ; PATTERNS
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/178282
作者单位1.Univ Kassel, Ctr Environm Syst Res, D-34119 Kassel, Germany;
2.Univ Potsdam, D-14469 Potsdam, Germany;
3.Johann Heinrich von Thunen Inst, D-38116 Braunschweig, Germany
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Schaldach, Ruediger,Wimmer, Florian,Koch, Jennifer,et al. Model-based analysis of the environmental impacts of grazing management on Eastern Mediterranean ecosystems in Jordan[J],2013,127:S84-S95.
APA Schaldach, Ruediger,Wimmer, Florian,Koch, Jennifer,Volland, Jan,Geissler, Katja,&Koechy, Martin.(2013).Model-based analysis of the environmental impacts of grazing management on Eastern Mediterranean ecosystems in Jordan.JOURNAL OF ENVIRONMENTAL MANAGEMENT,127,S84-S95.
MLA Schaldach, Ruediger,et al."Model-based analysis of the environmental impacts of grazing management on Eastern Mediterranean ecosystems in Jordan".JOURNAL OF ENVIRONMENTAL MANAGEMENT 127(2013):S84-S95.
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