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...Looking at the extinction crisis not only in terms of species that are on the brink but also those whose populations and ranges are shrinking helps show that "Earth's sixth mass extinction is more severe" than previously thought, the authors write. They say a major extinction event is "ongoing."
"It's the most comprehensive study of this sort to date that I'm aware of," said Anthony Barnosky, executive director of the Jasper Ridge Biological Preserve at Stanford University, who was not involved in the study. Its value, Barnosky said, is that it makes visible a phenomenon typically unseen by scientists and the public: that even populations of relatively common species are crashing.
"We've got this stuff going on that we can't really see
…"the resulting biological annihilation obviously will have serious ecological, economic and social consequences. Humanity will eventually pay a very high price for the decimation of the only assemblage of life that we know of in the universe.”
"All signs point to ever more powerful assaults on biodiversity in the next two decades, painting a dismal picture of the future of life, including human life," the researchers said.
Biological annihilation via the ongoing sixth mass extinction signaled by vertebrate population losses and declines
originally posted by: mikell
What I read is they seem to say because there's less of something it's going extinct. Seems a bit of a strange way to look at it.
Used to be 10 billion buffalo now there's only 5 billion so they're going extinct?? We are only lowering the numbers not killing them all off. But they gotta get paid too.
..."It is a prelude to the disappearance of many more species and the decline of natural systems that make civilization possible."
...Even if it's far from extinction, a species in decline can cause "cascading effects on vegetation and habitat" in ecological networks that depend on balance between animals, plants and microorganisms, scientist Robin Naidoo of the World Wildlife Fund told CBS News.
At the conclusion of the study, the authors write that "the resulting biological annihilation obviously will have serious ecological, economic and social consequences. Humanity will eventually pay a very high price for the decimation of the only assemblage of life that we know of in the universe.”
originally posted by: TrueBrit
a reply to: soficrow
To call what is happening now an "Extinction event" does not quite ring true to me. An extinction event is something rather more like a comet strike, or the eruption of a mega-volcano, or some other similar rapidly effective, singular instant which caused megadeath to occur.
What we are in now, is a slow, looping cycle of grinding, suicidal avarice and ignorance, which is NOT the same thing.
...radiometric dating of the uranium and lead in the zircons show that the extinction event spanned 60,000 years, plus or minus 48,000 years.
This here is avoidable, with the technological, scientific and mathematical capabilities we already possess. It is not a comet impact, it is not a geological detonation, it is not a magnetic pole shift or a solar flare so strong as to punch the magnetosphere clean off the planet and blast away its atmosphere.
This is not an event which links back to a singular event in geologic time, but a process of murder suicide, being inflicted upon the powerless people, animals and plants of the world, by the powerful few, and nothing more or less than that, and as such, is not rightly an event that has any proper similarity with any previous extinction events to date. It therefore, should not be counted amongst their number, but, assuming any of us survive, be remembered as a separate and entirely different order of events.
originally posted by: the2ofusr1
a reply to: soficrow
Was everything also connected in the past when we had these other events ?
Newsflash: Everything is connected.
originally posted by: luke1212
a reply to: soficrow
don't worry about it. the religion of evolution will fix it all.