Thanks. Always respect someone who look for facts.
Just read this,
"三峽水庫對下遊的不良影響主要出現在蓄水期,每年10月特別明顯。長江水位迅速降低,湖水大量向長江下泄,導致鄱陽湖區枯水期提前,到第二年4月才能緩解。"
http://news.wenxuecity.com/messages/201106/news-gb2312-1392576.html
Don't know why it's removed from the front page...