香港六合彩开奖结果现场直播

础谤迟铆肠耻濒辞 15 Sep, 2010

The status and distribution of freshwater biodiversity in northern Africa

The status and distribution of freshwater biodiversity in northern Africa

content hero image
Photo: The Status and Distribution of Freshwater Biodiversity in Northern Africa

This assessment is the first overview of the conservation status of 877 northern African freshwater species belonging to five taxonomic groups鈥攆ish, molluscs, dragonflies and damselflies, freshwater crabs and aquatic plants鈥攊n accordance with the 香港六合彩开奖结果现场直播 regional Red List guidelines. Species at risk of regional extinction are mapped and conservation measures are proposed to reduce the probability of future declines.