1. Apha (1998). Standard methods for the examinatrion of waterand waste water, 20 th edition. Standard methods for the examinatrion of waterand waste water, 20 th edition
2. J Allan,Lucinda Johnson (1996). Catchment‐scale analysis of aquatic ecosystems. Freshwater Biology, 37(1), 107-111.
3. B Biggs (1995). The contribution of disturbance, catchment geology and land use to the habitat template of periphyton in stream ecosystem. Freshwater Biology, 33, 419438.
4. K Berg (1943). Physiographical studies on the River Sussa. Folia Liminol. Scand, I, 174.
5. N Caraco,J Cole,G Likens,G Lovett,K Weathers (2003). Variation in nitrate export from flowing waters of vastly different sizes: Does one model fit it?. Ecosystems, 6, 344-352.
6. Ian Donohue,Martin Mcgarrigle,Paul Mills (2006). Linking catchment characteristics and water chemistry with the ecological status of Irish rivers. Water Research, 40(1), 91-98.
7. Sarah Gergel,Monica Turner,Timothy Kratz (1999). Dissolved Organic Carbon as an Indicator of the Scale of Watershed Influence on Lakes and Rivers. Ecological Applications, 9(4), 1377.
8. H Golter,R Clyno (1969). Methods of physical and chemical analysis of fresh water. IBP Handbook, 8
9. L Grey (2004). Changes in water quality and macroinvertebrate communities resulting from urban storm flows in the Provo River, Utah, USA. Hydrobiologia, 518, 33-36.
10. H Hynes (1988). BIOGEOGRAPHY AND ORIGINS OF THE NORTH AMERICAN STONEFLIES (PLECOPTERA). Memoirs of the Entomological Society of Canada, 120(S144), 31-37.
11. Alan Herlihy,John Stoddard,Colleen Johnson (1998). The Relationship Between Stream Chemistry and Watershed Land Cover Data in the Mid-Atlantic Region, U.S. Water, Air, and Soil Pollution, 105(1-2), 377-386.
12. A Harrison,J Elsworth (1958). HYDROBIOLOGICAL STUDIES ON THE GREAT BERG RIVER, WESTERN CAPE PROVINCE. Transactions of the Royal Society of South Africa, 35(3), 125-226.
13. J Kang,Y Song,J Moon,H Moon (2001). Water quality impact of mining in the Wolmyoung area of Korea, and its short term changes. Water, Air and Soil Pollutions, 129, 349-367.
14. Daniel Livingstone (1963). Chemical composition of rivers and lakes / Daniel A. Livingstone. Pap. U. S. Geol. Surv, 440.
15. David Lenat,J Crawford (1994). Effects of land use on water quality and aquatic biota of three North Carolina Piedmont streams. Hydrobiologia, 294(3), 185-199.
16. L Osborne,M Willey (1988). Emperical relationships between land use/cover and stream water quality in an agricultural watersheds. Publs. great Lakes Res. Inst, 15, 400-410.
17. Paul Needham,Albert Jones (1959). Flow, Temperature, Solar Radiation, and Ice in Relation to Activities of Fishes in Sagehen Creek, California. Ecology, 40(3), 465-474.
18. W Shgeridan (1961). Temperature Relationships in a Pink Salmon Stream in Alaska. Ecology, 42(1), 91-98.
19. W Woods (1965). Mound Laboratory activities in chemical and physical research: January--June 1977. Spec. Publs Pymatuning Lab. Fld. Biol, 3, 4-44.
20. Robert Wetzel (1992). Gradient-dominated ecosystems: sources and regulatory functions of dissolved organic matter in freshwater ecosystems. Hydrobiologia, 229(1), 181-198.
