Lots More Information

Rel­ated HowStuffWorks Articles

• How Fisheries Work
• How Fish Stocking Works
• How River Trout Fishing Works
• How Top Water Bass Fishing Works
• 5 Ways to Fish Responsibly
• Do fish feel pain?
• What's depleting salmon populations?
• Is sport fishing bad for the environment?
• How can panfish populations benefit from anglers?
• How can fish bait spread disease?

More Great Links

• U.S. EPA - Freshwater Ecosystems
• The Nature Conservancy - Protecting Freshwater Ecosystems
• United Nations - Freshwater

Sources

• Clover, Charles. "Food shortages: How will we feed the world?" Telegraph.co.uk. April 24, 2008. (Nov. 17, 2008)
  http://www.telegraph.co.uk/scienceandtechnology/science/sciencenews/3340417/Food-shortages-how-will-we-feed-the-world.html
• "Freshwater Conservation: The Role of Freshwater Ecosystems." The Nature Conservancy. 2008. (Nov. 12, 2008)
  http://www.nature.org/initiatives/freshwater/about/art25836.html
• "Freshwater Conservation: What We Do: Promoting Sustainable Agricultural Practices." The Nature Conservancy. 2008. (Nov. 12, 2008)
  http://www.nature.org/initiatives/freshwater/strategies/agriculture.html
• "Freshwater: what's at stake, what we're missing, what we're losing, what it's worth." WWF-World Wide Fund For Nature. April 8, 2007. (Nov. 12, 2008)
  http://www.panda.org/about_wwf/what_we_do/freshwater/
  about_freshwater/importance_value/index.cfm
• "Overproduced, oversubsidised and very thirsty." WWF-World Wide Fund For Nature. Feb. 7, 2007. (Nov. 12, 2008)
  http://www.panda.org/about_wwf/what_we_do/freshwater/problems/thirsty_crops/sugar/index.cfm
• "People and Freshwater." WWF-World Wide Fund For Nature. May 24, 2007. (Nov. 12, 2008)
  http://www.panda.org/about_wwf/what_we_do/freshwater/
  about_freshwater/people_freshwater/index.cfm
• "Thirsty Crops." WWF-World Wide Fund For Nature. July 20, 2007. (Nov. 12, 2008)
  http://assets.panda.org/downloads/wwfbookletthirstycrops.pdf
• "Thirsty crops cause water shortages and pollution." WWF-World Wide Fund For Nature. July 20, 2007. (Nov. 12, 2008)
  http://www.panda.org/about_wwf/what_we_do/freshwater/problems/thirsty_crops/index.cfm
• United Nations Environment Program (UNEP). "Challenges to International Waters: Regional Assessments in a Global Perspective: Freshwater Shortage." Feb. 28, 2006. (Nov. 12, 2008)
  http://www.unep.org/dewa/giwa/publications/finalreport/freshwater_shortage.pdf