赤水市水土保持生态修复工程生态效益评价研究

刘瑞禄; 周国富; 龙成昌

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赤水市水土保持生态修复工程生态效益评价研究

试验研究

- 赤水市水土保持生态修复工程生态效益评价研究
- Evaluation on Ecological Benefitof Ecology Rehabilitation and Soil Conservation in Chishui City
- 水土保持通报 2005年24卷第6期页码：82-86
- 作者机构：
  
  1. 贵州省水土保持监测站,贵州,贵阳,550002
  2. 贵州师范大学地理系,贵州,贵阳,550001
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- 纸质出版：2005
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刘瑞禄, 周国富, 龙成昌. 赤水市水土保持生态修复工程生态效益评价研究[J]. 水土保持通报, 2005,24(6):82-86.

LIU Ruilu, ZHOU Guofu, LONG Chengchang. Evaluation on Ecological Benefitof Ecology Rehabilitation and Soil Conservation in Chishui City[J]. Bulletin of Soiland Water Conservation, 2005, 24(6): 82-86.
刘瑞禄, 周国富, 龙成昌. 赤水市水土保持生态修复工程生态效益评价研究[J]. 水土保持通报, 2005,24(6):82-86. DOI：

LIU Ruilu, ZHOU Guofu, LONG Chengchang. Evaluation on Ecological Benefitof Ecology Rehabilitation and Soil Conservation in Chishui City[J]. Bulletin of Soiland Water Conservation, 2005, 24(6): 82-86. DOI：

摘要

以赤水市水土保持生态修复工程为依托，对水土保持生态修复效益评价方法进行了探索，建立了开展水土保持生态修复工程生态效益调查、评价的基本技术与方法。评价中坚持了客观性和系统性原则，以植被覆盖度，生物多样性，群落生物量，土壤有机质，N，P，K含量，表土侵蚀和泥沙含量变化为评价指标，通过野外定位监测获取水土流失、植被覆盖度、生物量等数据，然后采用定量方法评价工程实施产生的生态效益。结果显示，赤水市水土保持生态修复工程的实施，取得了巨大的生态效益，植被覆盖度、生物多样性、生物量、土壤肥力等都有所增加，而土壤侵蚀、泥沙含量等则大幅减少。

Abstract

Based on ecology rehabilitation work in soil and water conservation of Chishui City

the methods about ecolog ical benefit evaluativeon were ex plored. the basict echniques and methods of ecolog ical benef itresearch and e-valuativeon were est ablished. the eraluativeon adhered to objective and systemativec principle

chose indexes of veget a-tiveon mulching degree

biolog ical diversity

community biom ass

soil organic mat ter and cont entof N

K and the diversif icativeon of surface soil and sediment content

obt ained the data about soil and water loss and vegetation mulching degree and biom ass

and then estimated the ecological benef its of eng ineering practiveces with quantivet ative method. As a result

eng ineering practiveces obt ained great ecological benefits

for example

by increasing vegetation mulching degree and biological diversity and biomass as well as soil fertivelity

and decreasing soil erosion and sedi-ment content

etc.

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