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Comprehensive Benefit Evaluation of Chestnut-tea Comprehensive Ecosystem

ZHOU Min,LIU Gui-hua,WANG Jia-ming (School of Forestry & Landscape Architecture,Anhui Agricultural University,Hefei 230036,Anhui,China)  
In order to research effects of shade degree on comprehensive benefits of chestnut-tea comprehensive ecosystem,ecological,economic,social and comprehensive benefits of chestnut-tea comprehensive ecosystem at different shade degrees were evaluated by analytic hierarchy process.The results showed that the benefits of chestnut-tea plantation were higher than that of pure tea and chestnut plantation.The ecological and social benefits of chestnut-tea plantation were the best at the shade degrees from 40% to 50%, and the benefit indexes were 0.199 8 and 0.116 8 respectively.The economic benefit and comprehensive benefit were highest,up to 0.669 7 and 0.974 7 respectively,at the shade degrees from 30% to 40%.The benefit index of pure chestnut plantation was the lowest,only 0.4587.
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