亚洲精品1234,久久久久亚洲国产,最新久久免费视频,我要看一级黄,久久久性色精品国产免费观看,中文字幕久久一区二区三区,久草中文网

Bohai natural ecosystem

Updated: 2011-09-04 07:54

(China Daily)

  Print Mail Large Medium  Small

Under normal conditions, Bohai supports a healthy variety of fish, crustaceans, corals and kelp. But all these are being threatened. According to the Tianjin Bohai Sea Fisheries Research Institute, at least 20 species of marine life have disappeared from these waters in the last 30 years.

Bohai natural ecosystem

Bohai natural ecosystem

Bohai natural ecosystem

Bohai natural ecosystem

Bohai natural ecosystem

Bohai natural ecosystem

Bohai natural ecosystem

(China Daily 09/04/2011 page3)