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Jajrood is a permanent stream with physical and chemical properties appropriate for cold water fishes. Significant populations of different species of fish were identified in the stream (Refer to table 1 for scientific
names). Members of Salmonidae and Cyprinidae (Particularly Capoeta sp.) constituted the important fish
Permanent now of water, different agricultural fields around, diversity of trees and shrubs along the river
together with an abundance of insects provide an excellent habitat for bird funa. About 80 species of birds were identified in dependence with the river. Some bird species are aquatic, some depending on the margins of
Filteen species of mammals are living along the river. Some, such as otter (Lutra lutra) are completely dependent upon water, while some such as wild bord Jackals, although terrestrial, but are ecologically
dependent on the aquatic environment.
Amphibians possess the lowest number of species. Population abundance of two species, Rana ridibunda
depends on local conditions. Aquatic vegetation of the river system were collected and