【摘要】 讨论了洞庭湖演变对湖区农业生态环境的影响，认为湖体演变带来了诸如湖泊效应降低、洪涝灾害频繁、土壤潜育化严重、血吸虫病流行以及水产资源破坏等一系列生态环境问题，并提出了保护和改善湖区农业生态环境的对策与措施。更多还原

【Abstract】 The effects of the changes of Dongting Lake on agro eco environment of the Lake area have been discussed. It is concluded that the changes of the Lake has brought into a series of eco environmental problems such as the decline of the lake effect, the increase of the frequency of flood and water logging, the more serious of soil gleying, the prevalence of snail fever and the damage of aquatic resources. The strategy and the countermeasures for protecting and improving of the agro eco environment have been put forward.更多还原