globalchange  > 气候变化与战略
DOI: 10.1016/j.ecoser.2020.101073
论文题名:
Emergy-based ecosystem services valuation and classification management applied to China's grasslands
作者: Yang Q.; Liu G.; Giannetti B.F.; Agostinho F.; M.V.B. Almeida C.; Casazza M.
刊名: Ecosystem Services
ISSN: 22120416
出版年: 2020
卷: 42
语种: 英语
英文关键词: Ecosystem services valuation ; Emergy ; Grassland ecosystems ; Grasslands classification management
英文摘要: Though grasslands cover one fifth area of global land and provide vital services for humans, half of them are degraded due to human interference and climate change. In this paper we perform evaluations of the delivery of ecosystem services (ES) of grasslands using a systems approach and the technique of emergy accounting. Firstly, we address the issue of anthropocentricity of ES through discussion and analysis using the concept of emergy as contrasted to economic value, i.e. willingness-to-pay. Secondly, we explore from a systems classification of provisioning, regulating, cultural and supporting services. Thirdly, we provide quantitative analysis of the value added (surplus value) to economies by ecosystems. An emergy-based index of classification management of grassland (ICG), is also implemented, together with a non-monetary benefit-cost analysis of grassland ES. It is established that emergy provides an approach to evaluating the contributions ecosystems make to the economy using the idea of net benefit ratio, computed as the emergy cost of providing a service through technology (aka replacement cost) divided by emergy required to sustain ecosystem functions. This study can provide a systematic biophysical accounting method for grassland ESV to implement future sustainable management practices. © 2020 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158610
Appears in Collections:气候变化与战略

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作者单位: State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing, 100875, China; Beijing Engineering Research Center for Watershed Environmental Restoration & Integrated Ecological Regulation, Beijing, 100875, China; Post-graduation Program in Production Engineering, Paulista University, Brazil; University of Naples ‘Parthenope’, Department of Science and Technology, Centro Direzionale, Isola, C4, Naples, 80143, Italy

Recommended Citation:
Yang Q.,Liu G.,Giannetti B.F.,et al. Emergy-based ecosystem services valuation and classification management applied to China's grasslands[J]. Ecosystem Services,2020-01-01,42
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