宁国市山核桃林生态修复技术探讨与实践

Discussion and Practice on Ecological Restoration Techniques for Carya cathayensis plantations in Ningguo City

本文调查了我国山核桃重点产区——安徽省宁国市山核桃林生态环境退化情况,分析了经营方式、化学投入品等导致山核桃林生态系统退化的原因,提出以自然修复为前提,加强营林措施、生草栽培、引种紫穗槐等人工促进生态修复技术措施。宁国市自2010年开始全面实施山核桃林生态修复与重建工程,全面禁用除草剂,已推广割灌机8000余台,推广频振式杀虫灯1550盏,生物措施修复的山核桃林达到0.5万hm2,有效遏制了山核桃生态系统退化的趋势。

In this paper a survey was made on the eco-environment degradation actualities of Carya cathayensis plantations in Ningguo City, a key carya-producing area in China, and the causes for its ecosystem degradation were analyzed including the management practice and chemical inputs. On the basis of natural restoration, some technical measures for artificially promoting its ecological restoration were put forward including strengthening forestation measures, grass cultivation, introduction of Amorpha fruticosa. The full implementation of the ecological restoration and reconstruction project for Carya cathayensis plantations began in Ningguo City in 2010. The use of herbicides were banned and over 8,000 brush cutters and 1,550 frequency oscillation pest-killing lamps were promoted. Carya cathayensis plantations restored with biological measures reached 5000 hm^2, and its ecosystem degredation trend was effectively.