Sentences with phrase «global extinction of»

Felines accompanying their human companions have gone on to prey on the local wildlife, and they have been blamed for the global extinction of 33 species.Jan 29, 2013 How many birds are killed by cats every year?

Not exact matches

Instability will lead to global conflict, and that in turn may lead to what in a 2007 essay he referred to as» secular apocalypse» — total extinction of the human race through either thermonuclear war, biological contagion, unchecked climate change, or an array of competing Armageddon scenarios.
If the material were to be presented in a manner which melded training with causes that truly interest students like Global Warming, species extinction, and catastrophic weather changes, it is more likely that they will be able to find time outside of school to learn more of the necessary techniques.
mama - Today public schools teach evolution as a means to species as fact, even though science knows from the Global geological record and Dr. Gould's work that species occur rapidly followin a mass extinction; in violation of the same seperation claus.
Species occur rapidly following a mass extinction, the opposite of evolution; as we know from the global geological record and Dr. Gould's work in biology.
The global geological record demonstrates that spacies occur rapidly following a mas extinction, the opposite of evolution.
Atheism became a religion when the global geological record proved species occur rapidly following a mass extinction, the opposite of evolution.
John: «the global geological record proved species occur rapidly following a mass extinction, the opposite of evolution.»
In view of the increasing vulnerability of contemporary societies to a broad range of social risks, including the possibility of total human extinction, the human rights regime needs to incorporate a broader concept of global human security.
Global warming, population explosion, extinction of many species, maintaining the human environment — all this involves South Africa.
This could be occasion to paint a bleak picture: The current rate of global diversity loss is estimated to be a 1000 times higher than the extinction that would occur naturally.
Long - tailed duck is listed as vulnerable to global extinction by the International Union for the Conservation of Nature, and relies heavily on Massachusetts» coast for its overwintering habitat.
He lamented over what he regarded as era of extinction of crude oil in the world, saying the sharp drop in the global prices of crude oil was a signal to the fact that government at all levels need to shift face to agriculture.
«Until around 100,000 years ago, a dispassionate observer would have no basis for predicting either the extinction of rival human species or Homo sapiens» current global ecological dominion,» Shea says.
Some researchers have proposed that these lava floods caused global extinctions on Earth and that they affect climate change, says planetary geologist Alfred McEwen of the University of Arizona, head of the Io observation team.
«In fact, they are already experiencing sharp declines in population and extinction on a global scale, and they have become the focus of several research and conservation programmes in recent decades,» the scientist explains.
Scientists now believe that the projected decreases in the polar sea ice due to global warming will have a significant negative impact or even lead to extinction of this species within this century.
«The effects of the Chicxulub impact were therefore not the cause of a global mass extinction, which probably came about considerably less catastrophically than previously assumed,» states the Heidelberg researcher.
While each group focuses on a particular threatened plant or animal, Brackett has the Herculean task of bringing their work together to underline and spread a single message — that today's extinction crisis is a global responsibility.
Heather Birch, a Cardiff University PhD from the School of Earth and Ocean Sciences who led the study, said: «The global catastrophe that caused the extinction of the dinosaurs also devastated ocean ecosystems.
«It's the first time we can say this is a true global extinction,» says David Bond, a paleontologist at the University of Hull in the United Kingdom.
Roughly 12,900 years ago a global - cooling anomaly contributed to the extinction of 35 mammal species, including the mammoth.
In their study, the researchers produced the first global analysis and relatively fine - grained mapping of all the large mammals (with a body weight of at least 10 kg) that existed during the period 132,000 - 1,000 years ago — the period during which the extinction in question took place.
Evidence left at the crime scene is abundant and global: Fossil remains show that sometime around 252 million years ago, about 90 percent of all species on Earth were suddenly wiped out — by far the largest of this planet's five known mass extinctions.
If most of us expect to live possibly indefinitely in good health, there is a strong motivation to help protect humanity from long - term risks like extinction from a new pandemic, the exhaustion of key nonrenewable resources, global nuclear warfare — or a meteor strike.
But researchers from the University of Geneva (UNIGE), Switzerland, working alongside the University of Zurich, discovered that this extinction took place during a short ice age which preceded the global climate warming.
The Darwin's frog (Rhinoderma darwinii) is the latest amphibian species to face extinction due to the global chytridiomycosis pandemic, according to an international study published today in the journal Proceedings of the Royal Society of London B.
Researchers at Aarhus University have carried out the first global analysis of the extinction of the large animals, and the conclusion is clear — humans are to blame.
There is a global threat to biodiversity in many of the world's river systems, and the risk of species extinction is moderate to very high in 70 percent of the area of transboundary river basins.
Soot is a strong, light - absorbing aerosol that caused global climate changes that triggered the mass extinction of dinosaurs, ammonites, and other animals, and led to the macroevolution of mammals and the appearance of humans.
Or is minimizing alterations to the global environment introduced by human activity — rising levels of CO2 from fossil - fuel burning, widespread extinction, dams that impound water — more important to our success?
The untimely extinction of the golden toad in a Costa Rican rainforest in the late 1980s just may have been the first in a long list of species driven to extinction by global warming.
«Global demand for ivory has long been a significant factor in the poaching of African and Asian elephants, driving these species towards extinction — to such a degree that both types of elephants are now considered endangered or protected species.»
A global extinction crisis should show up in declining levels of local biodiversity, right?
Researchers writing in the current issue of Nature report having discovered a strong correlation between extinction of harlequin frogs, which live in Central and South America, and global warming.
In the first global analysis of extinctions during the Pleistocene geological epoch, Sandom et al. found that the expansion of humans out of Africa most likely caused the extinctions over the past 100,000 years.
In the most thorough study of its kind, scientists have now analyzed global patterns of island vertebrate extinctions and developed predictive models to help identify places where conservation interventions will provide the greatest benefits to threatened island biodiversity.
«We analyzed, for the first time at such a large scale, global patterns of island vertebrate extinctions in relation to different types of invasive mammals and physical island conditions,» McCreless said.
«We show that even if deforestation had completely halted in 2010, time lags ensured there would still be a carbon emissions debt equivalent to five to ten years of global deforestation and an extinction debt of more than 140 bird, mammal, and amphibian forest - specific species, which, if paid, would increase the number of 20th century extinctions in these groups by 120 percent,» says Isabel Rosa (@isamdr86) of the Imperial College of London.
If even a small proportion of the methane they produce is released, we might be overwhelmed by huge tsunamis, runaway global warming, and extinctions.
That's the stark message from the first global survey of amphibians, which has found they are under far greater threat of extinction than birds or mammals.
«This is the strongest evidence from fossils that the main driver of this extinction event was the after - effects of a huge asteroid impact, rather than a slower decline caused by natural changes to the climate or by severe volcanism stressing global environments.»
Thirty - one percent of cactus species are threatened with extinction, according to the first comprehensive, global assessment of the species group by IUCN and partners, published in the journal Nature Plants.
With aggressive action to reduce greenhouse gases, the model predicts that only about 51 percent of sites will suffer local extinction (39 to 79 percent, depending on the global climate model).
More specifically, the spread of exotic predators is considered to be one of the major causes of population decline and species extinction on a global scale.
Through phylogenetic analysis, the research team discovered that modern deep - sea mussels are the descendants of shallow - water mussels, and their ancestors migrated to the deep sea approximately 110 million years ago, providing evidence to support a hypothesis that their ancestors survived through an extinction event during the global anoxia period associated with the Palaeocene - Eocene Thermal Maximum which occurred around 57 million years ago.
Bringing species back from the brink of extinction is the mission of San Diego Zoo Global.
«We can't look into recent history and find this particular cocktail of accelerated climate change, habitat destruction, and global extinction.
The golden toad was last seen in 1989 in the Costa Rican cloud forest of Monteverde — and 5 years later, its disappearance was the first extinction to be blamed on humanmade global warming.
But it's hard to tell if the unusually dry conditions that contributed to the extinction were part of a natural cycle or connected to global climate change patterns.
a b c d e f g h i j k l m n o p q r s t u v w x y z