不同果园管理模式下系统能值分析

钟珍梅; 翁伯琦; 应朝阳; 罗旭辉; 李振武

doi:10.19303/j.issn.1008-0384.2013.11.004

不同果园管理模式下系统能值分析

doi: 10.19303/j.issn.1008-0384.2013.11.004

福建省农业科学院农业生态研究所/福建省山地草业工程技术研究中心/农业部福州农业环境科学观测实验站,福建福州,350013

基金项目:

福建省科技计划重大专项 (2012NZ0002)

福建省科技计划项目——省属公益类科研院所基本科研专项 (2011R1019-2)

福建省自然科学基金项目 (2012J01104)

福建省财政专项——福建省农业科学院科技创新团队建设项目 (CXTD-1-05)

详细信息

作者简介:
钟珍梅 (1975-), 女, 副研究员, 主要从事农业生态研究 (E-mail:mume19@126.com);翁伯琦 (1957-), 男, 研究员, 主要从事农业生态和水土保持研究 (E-mail:wengboqi@163.com)

中图分类号: S66;S181
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出版历程
- 收稿日期: 2013-09-15
- 刊出日期: 2013-11-18

Emergy Analysis on Orchard Systems Under Different Tillage Patterns

Institute of Agricultural Ecology Fujian Academy of Agricultural Sciences/Fujian Engineering and Technology Research Center for Hilly Prataculture/Fuzhou Scientific Observing and Experimental Station of Agro-Environment Ministry of Agriculture

摘要

摘要: 能值分析方法能将不同质的能量和物质转换为同一标准的太阳能值, 是当前进行系统能量研究和可持续发展评估的一种重要方法。本文应用能值分析方法对3种管理模式下果园生态系统进行分析, 结果表明系统总能值投入中所占比例最大的均为外界购买能值, 占总投入的66.3%~73.9%, 其中人力和肥料投入最大;自然资源投入方面以阳光投入所占比重最大。与其他两种模式相比, 平台生草模式下果园生态系统的环境负载率最低, 可持续发展指数最高。
- 能值 /
- 果园生态系统 /
- 果园管理模式 /
- 环境负载率 /
- 可持续发展指数
Abstract: Emergy analysis is an important method to current energy research and systematic sustainability assessment, which characterizes all products and services in equivalents of solar emergy.In this paper, emergy flows, emergy input and output, and emergy index (EIR, EYR, ELR, EST) of three orchard systems were characterized by emergy analysis.Our results showed that the largest energy flows in all systems is associated with labor, FCMP fertilizer and sunlight.In addition, 66.3%-73.9% of the total emergy inputs to the orchard system was economic resources.In the end, our results suggest that the terracing orchard system has the lowest environmental loading ratio (ELR) due to the reduced soil erosion and the highest emergy sustainability Index (ESI) , for it is based on the 100%living mulch compared to the other two clean tillage systems.
- Emergy /
- Orchard systems /
- Tillage patterns of orchard /
- Environmental loading ratio /
- Emergy sustainability index

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参考文献(10)

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