Biodiversity (or how much biological difference you can pack into a spot) is important no to all ecosystems. Learn more about biodiversity.
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More Great Links
- "Yosemite: History and Culture." National Park Service. http://www.nps.gov/yose/historyculture/index.htm
- The Sierra Club. http://www.sierraclub.org/
- "Sierra Club." Encyclopaedia Britannica. http://search.eb.com/eb/article-9067677
- "Sierra Club History: Origins and Early Outings." The Sierra Club.http://www.sierraclub.org/history/origins/chapter1.asp
- Turner, Tom. "Sierra Club: 100 Years of Protecting Nature." Harry N. Abrams, Inc. New York: 1991.
- "Who was John Muir?" The Sierra Club.http://www.sierraclub.org/john_muir_exhibit/
- "Yosemite." American Park Network.http://www.americanparknetwork.com/parkinfo/content.asp?catid=68&contenttypeid=10