Sentences with phrase «human extinction due»

Not exact matches

With extinction rates at their highest levels ever and numerous species under threat due to human activity, the findings are a further warning about the consequences of eroding biodiversity.

Scientists still do not fully know the precise reasons for the extinction of many species; it probably took place due to a combination of climate change and hunting by humans.

The review estimates that 60 % of primate species are threatened with extinction due to human activities and 75 % have declining populations.

The findings suggest that the passenger pigeons» extinction may not have been solely due to human influence.

This species faces a high risk of extinction due to its isolation and tiny population size — it could potentially become the first ape species to be wiped out by human activity.

On the contrary, if the extinction of these mammals were due to climate change, elephants and mammoths should remain in regions already colonized by humans and would only begin to die off once climate change occurred.

Studying how ecosystems respond and adapt to changes can help us understand what will happen in the face of species extinction due to human encroachment and climate change.

Disproportionate mortality of males, presumably an important cause of the change in sex ratio of the snow leopard population in Tost, is reported in several carnivores as resulting from human - induced factors such as poaching and retaliatory killing, including Amur tigers in southeast Russia [32], leopards in South Africa [34], and cougars in the Pacific Northwest [33], although there are exceptions (e.g. tiger population in Panna, Central India, that had turned male - biased prior to extinction due to poaching; [36], [37]-RRB-.

``... conserve and restore federally - listed species and protect all native fauna and flora on the [refuges] from population decline and potential extirpation or extinction due to predation by non-native species and human - subsidized populations of native predators.»

Due to a wide range of factors — most of them human - caused — this habitat has become quite fragile, with some animal and plant species on the brink of extinction.

Unfortunately, Irrawaddy dolphins are still facing great risk of extinction due to human encroachment.

These bleak backdrops would have been created due to some world war among humans where nuclear weapons played a role in their extinction, leaving nothing but desolation.

Due to the increased population of the human race, most of them have been slaughtered into extinction.

McPherson also believes we are past the point where human actions can prevent near - term extinction, due to all the positive feedback mechanisms being in play.

Previous bouts of human - caused extinctions were due mainly to directed take: humans hunting for food.

As we reported in 2012 during the UN's Rio +20 Earth Summit, the IUCN released a massive report fraudulently claiming to show that our planet is on the verge of experiencing massive species extinction, due to human use of hydrocarbon fuels.

What is concerning is the possibility that rapid global warming could occur faster than many people believe is possible, if global warming due to atmospheric carbon dioxide causes the Earth's atmosphere to warm enough to release enormous deposits of frozen methane (CH4) that are stored in the permafrost above the Arctic Circle and in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To Global Warming Could Cause Human Extinctiodue to atmospheric carbon dioxide causes the Earth's atmosphere to warm enough to release enormous deposits of frozen methane (CH4) that are stored in the permafrost above the Arctic Circle and in frozen methane ice, known as methane hydrate, underneath the floors of the oceans throughout the world (see: How Methane Gas Releases Due To Global Warming Could Cause Human ExtinctioDue To Global Warming Could Cause Human Extinction).

Compare: most species extinctions in history were not due to human activity (true) therefor is is highly like that present extinctions are not due to human activity.

Complete human extinction strikes the author as unlikely due to our «unique combination of intelligence and a strong survival instinct.

Barnosky and colleagues note that scientists are increasingly recognising modern species extinctions due to various human influences, including some of the same effects which caused the Big Five:

Hirola, a distinctive - looking African antelope, are fast - declining in their dwindling habitat, teetering on the brink of extinction due to droughts fueled by climate change and a slew of other destructive human activities.

Also your claim that human extinction «won't be due to AGW» seems to require justification.