A study of biotic and abiotic factors of Song River at Dehradun, Uttarakhand

Abstract

The  present  study  deals  with  the  analysis  of physico-chemical  parameters  of the  Song river  at Dehradun,  Uttarakhand during  the  pre-autumn,  autumn  and  post-autumn  months  of 2007.  In  the  present  study  of the  Song  river  its  physico- chemical  characteristics  viz  temperature,  velocity,  total  solids,  total  suspended  solids,  total dissolved  solids,  turbidity,  pH, dissolved  oxygen,  free  CO ,  BOD,  COD,  alkalinity,  chlorides,  sulphate  and identification  of fishes  were  done.  The  data revealed  that  36 species  of fishes  are present  in the  Song river  of Dehradun,  Uttarakhand.