Air tawar
Air tawar merujuk kepada air yang wujud secara semulajadi di permukaan bumi seperti paya, kolam, tasik, sungai dan jeram, dan takungan serta sungai di bawah tanah. Di antara ciri-ciri air tawar adalah mengandungi garam terlarut yang rendah. Istilah air tawar tidak termasuk air laut dan air payau.

Pearl Shoal Waterfall, barat Sichuan, China.
Lihat jugaSunting
NotaSunting
RujukanSunting
- Brian D. Richter, R. M. (2003). Ecologically sustainable water management: managing river flows for ecological integrity. Ecological Applications , 13 (1), 206-224.
- Robert B. Jackson, S. R. (2001). Water in a changing world. Ecological Applications , 11 (4), 1027-1045.
Bacaan lanjutSunting
Pautan luarSunting
- Freshwater life.org
- Freshwater Biological Association
- Review of freshwater ecology in the UK Diarkibkan 2008-02-27 di Wayback Machine
- UK Environment Agency website
- Pond Conservation Diarkibkan 2006-02-14 di Wayback Machine
- UK National pond monitoring network
- U.S. Geological Survey Diarkibkan 2012-08-06 di Wayback Machine