Wetlands have been noted to be beneficial worldwide. Despite wetlands being a natural asset that is of great significanc......

The pattern of population distribution of the common hippopotamus was examined along the 165 km stretch of the Luangwa R......

在鲸类的演化历史中，由陆生动物转化成完全的水生动物的过程是一个由来已久的演化谜题。基干鲸类的多样性很高，化石记录也很完整。5......