Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,820,612,440 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

background extinction
(redirected from Background extinction rate)

   Also found in: Wikipedia 0.02 sec.
background extinction [′bak‚grau̇nd ik‚stiŋk·shən]
(evolution)
Intervals of lower extinction intensity between mass extinctions.


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Email
Feedback
? Mentioned in ? References in periodicals archive
No references found
 
That would be 10 extinctions per 10,000 species per year, or 1,000 times the background extinction rate.
At current levels of destruction, only 5 percent of tropical forests will remain in protected areas within 50 years, says the report, causing the rate of species loss to reach three or four orders of magnitude higher than the natural background extinction rate of about one species each year.
 
Encyclopedia browser? ? Full browser
 
 
Encyclopedia
?

Disclaimer | Privacy policy | Feedback | Copyright © 2010 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.