Access over 20 million homework & study documents

Sustaining Biodiversity Presentation

Content type
User Generated
Subject
Environmental Science
Type
Presentation
Rating
Showing Page:
1/31

Sign up to view the full document!

lock_open Sign Up
Showing Page:
2/31

Sign up to view the full document!

lock_open Sign Up
Showing Page:
3/31

Sign up to view the full document!

lock_open Sign Up
End of Preview - Want to read all 31 pages?
Access Now
Unformatted Attachment Preview
Chapter 5 Sustaining Biodiversity: the Species Approach The Status of Biodiversity biodiversity • the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species and of ecosystems. (from the Convention on Biological Diversity) • Inter alia = “among other things” Levels of Biodiversity • Within species – genetic diversity • Between species – species diversity • Between ecosystems – ecosystem diversity Levels of Biodiversity • Within species (genetic diversity) • i.e. How much genotypic and phenotypic variation is there within a species? • Ex: dog breeds, different sizes an characteristics but same species Levels of Biodiversity • Between species (species diversity) • i.e. How many different species are there? • Problematic since it’s hard to define all of them Species Estimates • 8.7 million species in the world (PLoS Biology estimates this) • 1 trillion species in the world (PNAS estimates this) Levels of Biodiversity • Between ecosystems (ecosystem diversity) • i.e. How many distinct ecosystems are there? Assessing Biodiversity Endangered Species Act A law established to protect species endangered or threatened with extinction CITES • Convention on the International Trade in Endangered Species • A set of laws established to regulate the ...
Purchase document to see full attachment
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Anonymous
Great study resource, helped me a lot.

Studypool
4.7
Indeed
4.5
Sitejabber
4.4