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- Title
Assessment of private economic benefits and positive environmental externalities of tea plantation in China.
- Authors
Xue, Hui; Ren, Xiaoyi; Li, Shiyu; Wu, Xu; Cheng, Hao; Xu, Bin; Gu, Baojing; Yang, Guofu; Peng, Changhui; Ge, Ying; Chang, Jie
- Abstract
Tea plantations are rapidly expanding in China and other countries in the tropical and subtropical zones, driven by relatively high private economic benefit. However, the impact of tea plantations on the regional environment, including ecosystem services and disservices are unclear. In this study, we developed an assessment framework for determining the private economic benefits and environmental externalities (the algebraic sum of the regulating services and disservices) of tea plantations in China. Our results showed that tea plantations provided private economic benefits of 5,652 yuan ha year (7.6 yuan = 1 USD in 2007) for tea farmers, plus positive environmental externalities of 6,054 yuan ha year for the society. The environmental externalities were calculated as the sum of the value of four regulating services, including carbon sequestration (392 yuan ha year); soil retention (72 yuan ha year); soil fertility protection (3,189 yuan ha year) and water conservation (2,685 yuan ha year), and three disservices, including CO emission (−39 yuan ha year), NO emission (−137 yuan ha year) and nonpoint source pollution (−108 yuan ha year). Before the private optimal level, the positive environmental externalities can be maintained by private economic benefits; if a social optimal level is required, subsidies from government are necessary.
- Subjects
CHINA; TEA plantations; ECOSYSTEM services; TEA plantation workers; SOIL fertility; CARBON sequestration
- Publication
Environmental Monitoring & Assessment, 2013, Vol 185, Issue 10, p8501
- ISSN
0167-6369
- Publication type
Article
- DOI
10.1007/s10661-013-3191-6