%0 Journal Article %A Ye Peitao %T Changes of Agro-ecological Environments in Plain Lake Areas and Their Regulations %D 1989 %R %J Chinese Journal of Ecology %P 58-62 %V %N 3 %X Because of the historical unitary management in agriculture, un-comprehensive regulation and predatory exploitation of resources, disorders and various contradictions arise in farmland, water-body, living and other ecosystems. Countet-measures are put forward in the paper for the improvement of eco-environments, the establishment of a human regulated agroecosystem, the promotion of good cyclings in the system and the guarantees of continuous and steady increments of agro-economy. %U http://www.cje.net.cn/EN/abstract/article_18170.shtml