[FEL-L] More Species on Brink of Extinction
GemOJungle at aol.com
GemOJungle at aol.com
Wed Sep 12 16:48:10 CDT 2007
More Species on Brink of Extinction
By _Andrea Thompson_
(http://www.livescience.com/php/contactus/author.php?r=at) , LiveScience Staff Writer
posted: 12 September 2007 01:06 pm ET
More than 16,300 species of animals and plants are on the verge of
disappearing from the planet, with nearly 200 more species approaching extinction
within the last year, according to the World Conservation Union's 2007 Red List
of Threatened Species.
The annually produced list classifies species according to their extinction
risk. Based on the latest figures, there are now 41,415 species on the Red
List, with 16,306 _threatened with extinction_
(http://www.livescience.com/php/multimedia/imagegallery/igviewer.php?imgid=367&gid=26&index=0) .
However, scientists say they have no clue _how many species_
(http://www.livescience.com/strangenews/070803_gm_numberspecies.html) truly exist on the
planet, as most have yet to be catalogued. Nonetheless, the Red List highlights
risks to many visible species, including mammals and other large creatures.
“This year’s IUCN Red List shows that the invaluable efforts made so far to
protect species are not enough," said Julia Marton-Lefèvre, director general
of the World Conservation Union (IUCN). "The rate of biodiversity loss is
increasing, and we need to act now to significantly reduce it and stave off this
global extinction crisis.”
The IUCN says that the total number of recently extinct species has reached
785 this year, with another 65 species found only in captivity or in
cultivation.
According to the 2007 Red List, one quarter of all mammals, one eighth of all
birds and one third of all amphibians are jeopardy. Animals aren't the only
species in danger, as 70 percent of the world's plants that have been
assessed are at risk of disappearing.
Of our closest relatives, gorillas and orangutans are both classified as
Critically Endangered (the last step on the list before Extinction status).
Gorillas have been decimated by local human conflicts, the commercial _bushmeat
trade_ (http://www.livescience.com/animals/070726_gorilla_deaths.html) and the
Ebola virus, with a 60 percent decline in their populations in the last 25
years. Orangutans are threatened by burning and logging of their forest homes.
The Yangtze River Dolphin, reported to be extinct several weeks ago and
thought later to have been _recently spotted_
(http://www.livescience.com/animals/070829_white_dolphin.html) , is listed as Critically Endangered and Possibly
Extinct due to habitat destruction from pollution and river traffic.
Corals were added to list the list for the first time this year.
People are the main reason for most species' decline, whether through direct
means such as over-hunting or indirect means such as the introduction of
invasive species.
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