广西柳城县农业生态环境的定量评价

Quantitative evaluation of agricultural eco-environment in Liucheng,Guangxi Zhuang Autonomous Region.

建立了包括生态资源、人类驱动和系统响应3方面17个指标在内的农业生态环境定量评价指标体系,结合广西柳城县的实际情况,运用模糊综合评价模型,对当地农业生态环境进行定量评价。结果表明,柳城县农业生态环境质量属于一般水平,当地自然生态条件较好,虽受人类活动影响较大,但生态系统运行依然正常。该评价结果与当地实际情况相符,表明该评价指标体系具有较强的科学性和实用性。依据评价结果,提出了改善柳城县农业生态环境的对策和建议。

A quantitative evaluation index system for agricultural eco-environment,which is composed of 17 indexes in three aspects,such as ecological resources,impact of human activities,and system response,is established.And the agricultural eco-environment in Liucheng,Guangxi was evaluated with the model of fuzzy comprehensive evaluation.The results show that the eco-environment of Liucheng is in a common level,the natural eco-environment is a good state,and the ecosystem operates normally though it has been significantly affected by human activities.The results are in agreement with the actual situation in Liucheng which shows that the index system is reliable and practical.Suggestions and countermeasures for improving the agricultural eco-environment quality of Liucheng are raised.