Rationale for Conservation of Biodiversity

The Convention on Biological Diversity
http://www.biodiv.org/

As a general reference see the Endangered web of Life
http://www.worldbook.com/fun/wbla/earth/html/ed26.htm#extinction

Confirming Global Extinction
http://www.iucn.org/redlist/2000/news.html

• Estimating Extinction rates: Tropical Rain Forests
  http://www.ciesin.org/docs/002-252a/002-252.html
• Extinction references
  http://www.well.com/user/davidu/extinction.html
• extinction -prone groups of species (WRI)
  http://www.wri.org/wri/biodiv/b04-koa.html
• Categories of the Red Data book
  http://www.wcmc.org.uk/species/animals/categories.html
• IUCN red data book information-- with categories of threat http://www.iucn.org/wcc/press/animals_in_red.html
  
  
• Ariol's reference: on How many species are there?
  http://www.wri.org/biodiv/b02-gbs.html
• Joaquin's reference:
  
• In-Situ conservation of Biodiversity
  http://www.oas.org/usde/publications/Unit/oea04e/ch04.htm
  
• Conservation-U. of Western Cape
  http://www.botany.uwc.ac.za/Envfacts/facts/conserve.htm
• Anneline's Links
  G4.1.3 -estimate species
  http://www.all-species.org
  
  G4.2.2 -extinction causing factors
  1)blue pike: http://www.bagheera.com/inthewild/ext_bluepike.htm
  2)tasmanian tiger wolf
  3)vivacia menziesii: http://www.mauimuseum.org/plants-sylva.htm
  
  G4.3.2-relative biodiversity
  http://www-personal.umich.edu/~grsmith/BIOGEOGRAPHY/lecture7.html
  for general comparisons
  
  temperate forrest:
  http://www.aptoshs.pv.klz.ca.us/~cdimpe10519/deciduous%20forrest.html
  for temperate deciduous forrest
  
  this is a nice definition site that you might find useful somehow:
  http://www.wri/biodiv/gbs-glos.html#AB