Assessment of ecosystem productivity damage due to land use
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Publication Details
Author list: Kaenchan P., Guin้e J., Gheewala S.H.
Publisher: Elsevier
Publication year: 2018
Journal: Science of the Total Environment (0048-9697)
Volume number: 621
Start page: 1320
End page: 1329
Number of pages: 10
ISSN: 0048-9697
eISSN: 1879-1026
Languages: English-Great Britain (EN-GB)
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Abstract
Land use can affect ecosystems on land and their services. Because land use has mainly local effects, damage to ecosystem productivity due to land use should be modelled spatially dependent. Unfortunately, even though land use of impacts are particular importance for countries whose economies are highly agriculture-based, ecosystem productivity damage due to land use has not yet been assessed in Thailand so far. This study presents the method for assessing the damage to ecosystem productivity due to land use (land occupation and land transformation) in Thailand. Ecosystem productivity damage is expressed through net primary production (NPP). To convert the damage into monetary units, this study performs an economic valuation of NPP using the production function approach. The results show that the value of marginal product of NPP is around 10–15 Thai baht (THB) (1 USD ≈ 36 THB), per tonne dry weight biomass. The results are applied to the case of biodiesel production. The method presented in this paper could be a guideline for future land use impact assessment research. In addition, converting the NPP damage results into monetary units facilitates integration of impact assessment and economic analysis results for supporting decision support tools such as cost benefit analysis. © 2017 Elsevier B.V.
Keywords
Impact assessment, Net primary production, Production function, Valuation
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