Showing posts with label IUCN. Show all posts
Showing posts with label IUCN. Show all posts

Wednesday, June 24, 2015

"...the IUCN Red List is a reminder of how many species are on the brink and need help desperately." - http://clapway.com/2015/06/24/updated-iucn-red-list-contains-22784-species-facing-extinction-245/

The IUCN Red List was updated and now includes 77,340 species, of which 22,784 could go extinct.


Habitat loss and degradation were identified as the main threat to 85% of species included on the list. Also, invasive species and illegal trade were identified as possible causes of these population declines.


Species like the African Lion, the New Zealand Sea Lion, and the African Golden Cat are facing increased threats to their long-term survival.


This IUCN Red List update comes after a recent study showed that Earth is undergoing a mass extinction. This research study also linked human activity with the population decline of a number of animal species.


IUCN RED LIST INCLUDED CONSERVATION SUCCESS STORIES


The IUCN update did show that the total number of animal and plant species is declining. However, the list included success stories such as the Iberian Lynx whose population has increased from 52 to 156 from 2002 to 2012 and has been moved from the critically endangered list to the endangered list.


“This IUCN Red List update confirms that effective conservation can yield outstanding results,” said Inger Andersen, the IUCN Director General. Andersen also commented that “saving the Iberian Lynx from the brink of extinction while securing the livelihoods of local communities is a perfect example.”


THE IUCN DIRECTOR ISSUES A WARNING


Even with some successes like the Iberian Lynx and the Guadalupe Fur Seal, the IUCN Red List is a reminder of how many species are on the brink and need help desperately.


“But this update is also a wake-up call, reminding us that our natural world is becoming increasingly vulnerable,” Andersen warned. “The international community must urgently step up conservation efforts if we want to secure this fascinating diversity of life that sustains, inspires and amazes us every day.”


PLANTS ARE ALSO AT-RISK


Medicinal plants, 44 Indian species in total, have been added to the IUCN Red List in this update. All of these medicinal plants are threatened with extinction, mostly due to habitat loss and over-collection.


Also, 99% of orchids from Asia are threatened with extinction. According to the Convention on International Trade in Endangered Species (CITES), commercial trade of these species is prohibited. However, illegal trade of these highly desirable orchids continues due to a lack of enforcement.



 


 


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Updated IUCN Red List Contains 22,784 Species Facing Extinction

Friday, June 19, 2015

Welcome to the Sixth Mass Extinction in Earth’s History - http://clapway.com/2015/06/19/welcome-to-the-sixth-mass-extinction-in-earths-history987/

In a recent report published in open-access journal Science Advances, scientists have stated that our planet is undergoing the sixth mass extinction in its history, and it’s one brought on entirely by mankind. The scientists’ study compared animal extinction rates from 1900 until today to rates from “background” periods- sections of time during which mass extinction was not taking place. They found the extinction rate from this time period to be much higher than the expected “background rate,” more in line with the five previous mass extinction events. Thus, scientists have classified the deeply troubling trend as Earth’s sixth mass extinction.


Mass extinction slated to get worse, threatening even our species.


The team of researchers behind the study, led by Dr. Gerardo Ceballos of the National Autonomous University of Mexico, used a list made and maintained by the International Union for Conservation of Nature (IUCN) in order to find current extinction rates. They deemed the list to be a conservative one, but even so, the extinction rate since the turn of the twentieth century has actually been eight to a hundred times higher than the background rate. If this decimation of species is allowed to continue, the planet’s life would take millions of years to recover. Humans, who are reliant on animals in so many ways, would die out early according to Ceballos.


Amphibians are hit extremely hard by mass extinction.


Of the roughly 76,000 IUCN-documented species, the amphibians, which make up 7,300 of those species, have taken a disproportionately heavy toll in terms of number of extinctions. Though only 34 amphibian extinctions have ever been documented, the researchers behind this study believe the true number to be well in excess of 100. One of the main reasons for amphibian species dying out so fast recently has been the rampant spread of a killer fungus, a result of global shipping.


What’s causing this phenomenon and how can we stop it?


Most of the causes for the loss of biodiversity are known to be man-made: deforestation, pollution of the environment, and other human actions are killing off more and more species every year. Gerardo Ceballos and his team caution that we are threatened by this, and have very little time to alter our habits and slow down extinction rates.



 


 


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Welcome to the Sixth Mass Extinction in Earth’s History