The Earth has half as many animals as it did in 1970 — High Country News
▻http://www.hcn.org/articles/the-earth-has-half-as-many-animals-as-it-did-in-1970
A massive new study from the World Wildlife Fund has the gory details: Population sizes of birds, mammals, reptiles, amphibians and fish have declined by 52 percent over the last 40 years.
In other words: the Earth has just half as many animals as it did in 1970. I’ll give you a minute to let that sink in.
dans le lot les lombrics, loin des yeux mais sous nos pieds, paient un lourd tribut.
►http://senshumus.wordpress.com/2008/04/29/ecologie-du-ver-de-terre
Si nous comparons, par exemple, l’importance accordée à l’ornithologie et le grand nombre d’ornithologues étudiant 1 kg d’oiseaux par hectare, avec le nombre extrêmement limité de chercheurs intéressés par des centaines ou des milliers de kg par hectare de vers de terre, alors nous pouvons conclure que notre connaissance des écosystèmes est fondamentalement déformée par notre perception « épigée » de la nature et notre ignorance de la vie « endogée ».
Century-old extinction of the passenger pigeon still a cautionary tale
▻http://www.northjersey.com/news/century-old-extinction-of-the-passenger-pigeon-still-a-cautionary-tale-
Monday is the 100th anniversary of the death of the last passenger pigeon in North America. And conservationists are marking the date as an opportunity to rekindle efforts to protect species currently at risk.
▻http://www.northjersey.com/polopoly_fs/1.1078545.1409454322!/fileImage/httpImage/image.JPG_gen/derivatives/landscape_300/pigeon083114.JPG
Well into the mid-1800s, passenger pigeons were abundant — estimates put their numbers as high as 5 billion. By comparison, the most ubiquitous bird in North America today — the robin — numbers a paltry 300 million.
#extinction en lien avec ►http://seenthis.net/messages/289309
