Creating Ecosystem Services Impact Assessment Models for Land Use
| Autor: | Hsin-Pei Chen, 陳欣沛 |
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| Rok vydání: | 2017 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 105 Life Cycle Assessment (LCA) is a widely used approach to assess the environmental impacts of a product or service at each step of its life cycle. Since land use can cause impacts on many aspects such as the loss of biodiversity and ecosystem services, it is important to assess land use impacts on these perspectiveS. However, land use impacts assessment in the current LCA only considered the loss of biodiversity. Ecosystem provide a wide range of crucial functions to human society. For example, food production, climate regulation and soil quality are essential ecosystem services. DeFries et al. (2004) indicated that land use impacts would cause negative influence on these ecosystem services. In order to provide a more comprehensive evaluating results from LCA, this study established a characterization model to assess land use impacts for ecosystem services to enhance Life Cycle Impact Assessment (LCIA) method. LCA studies of the contaminated sites remediation have increasingly addressed that land use impacts should be included. Therefore, this study adopted two contaminated sites as case studies to evaluate the potential environmental impacts from remediation. By using the revised LCIA method which integrating evaluation of land use impacts from ecosystem services, the more completely environmental impacts resulted from the remediation of contaminated sites can be achieved. The valuation results acquired in this study can be regarded as a supporting information to help decision makers in selecting environmental friendly remediation scenarios. Except for the estimation of remediation alternatives, the value of ecosystem services can be expressed in monetary units. This is a directly and clearly way for people to realize the contribution of ecosystem services. Quantifying the loss of economic value from ecosystem services by land use impacts can assist in improving human well-being, health and survival. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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