Floristic and phyto-sociological assessment of vegetation of Keenjhar lake and surrounding area (Thatta, Sindh), Pakistan.

Keenjhar Lake is one of the major fresh water reservoirs located at Thatta district of Sindh province, spread on area of about 140 km-2. It has been designated as Ramsar site in 1976 and a wildlife sanctuary in 1977. The Lake is a vital wetland area of great ecological, biological and economic significance. It is a major source of domestic and industrial water supplies to Karachi metropolitan. It is an important breeding and wintering area for a wide variety of birds, reptiles and mammals. Local communities especially fishermen are dependent on this important wetland for their sustenance.