Sentences with phrase «species losses in»

A meta - analysis of ecosystems finds that species losses in any given place do not yet translate to large changes in the number of different species in that place.

The findings paint a bleak picture for the persistence of native flowering plants in the face of climate change and could serve as a herald for future species losses in mountain ecosystems over the next century.

«Avoiding deforestation and focusing reforestation in the areas that teeter on the species loss threshold will be the most direct and cost - effective way to prevent further species loss in the Amazon region,» added Ochoa - Quintero.

Then we see that functional diversity drops way down from tropics to poles; it parallels species loss in a way that's totally different from the big extinctions.

WWF European Policy Office, Wuppertal • Malcolm, J.R., C. Liu, L. Miller, T. Allnut and L. Hansen, Eds., 2002a: Habitats at Risk: Global Warming and Species Loss in Globally Significant Terrestrial Ecosystems.

Not exact matches

The bee population has been declining in the past few decades — 700 bee species are heading toward extinction — due to changes in agricultural processes, habitat loss, and pesticides.

As part of the mines continued operations the waste rock dump is to be expanded, resulting in the loss of 75.7 ha of habitat for three threatened species of Black Cockatoo.

You can argue that the original organism had better eyesight than others of his species and therefore the change increased his ability to survive, but you ignore that the change had to occur in the first place, and if there was a change in the first animal the interconnectedness of the related bodily functions makes it impossible for the chance change — which by the way required the loss of genetic material — to have happened regardless of the amount of time you had.

Individual leaders in the corporate world may be deeply concerned about species diversity, global warming, the pollution of the oceans, the loss of forest cover, and many other matters.

«The one process ongoing in the 1980s that will take millions of years to correct,» Harvard biologist E. O. Wilson has warned, «is the loss of genetic and species diversity by the destruction of natural habitats.

Unfortunately, these safeguards were not applied to the species loss discussion in Politics According to the Bible.

The Banrock Station Environmental Trust also supports internationally and nationally recognised conservation organisations to further their objectives in tackling global environmental issues such as climate change, water conservation, ecosystem loss and species loss.

This species» population has dropped significantly in recent years, in part due to loss of milkweed, the food plant for their caterpillars.

We are now losing species at [a hundred] to a [thousand] times faster then we should be based on the normal geologic rate of evolution in the loss of species; [a] thousand times faster.

The approach is important for conservation because it will help researchers in efforts to document habitat loss, which has legal ramifications under the Endangered Species Act.

Unless urgent action is taken to stem deforestation in key areas that are heading towards or have just dipped below the forest cover «threshold» — which, according to the research team's models, amounts to a third of the Amazon — these areas will suffer the loss of between 31 - 44 % of species by just 2030.

«We see an accelerating decline in coastal species over the last 1,000 years, resulting in the loss of biological filter capacity, nursery habitats and healthy fisheries,» notes team member Heike Latze, also of Dalhousie.

Researchers say that the focus should be shifted to maintaining 50 % cover — just half the forest — but over entire landscapes rather than individual farms, in a bid to stop whole regions losing untold biodiversity by slipping below the 43 % threshold at which species loss accelerates.

In 2012, research by FFI and partners led to the species being formally designated as critically endangered due to its small population size and threats from hunting and habitat loss.

Encroaching agriculture — from beef to soya production — to feed a growing and more affluent human population means that, at the current rates, the number of 10,000 km2 landscapes in the Amazon that fall below the species loss threshold of 43 % forest cover will almost double by just 2030.

Populations of both penguin species have plummeted in recent years, which the research blames on the loss of the tiny, shrimp - like krill that are a staple food for both birds.

Such bottom - dwellers normally have a lot to eat in such rich ecosystems, but these species are sensitive to oxygen loss.

She and her colleagues have documented deep losses in North American native bumblebee species, and she's now studying whether pathogens spilling over from commercial bees are playing a role.

The junk food diet also reduced the abundance of microbial species capable of metabolising flavonoids, which have been suggested to not only assist in weight loss but also exert neuro - protective functions within the brain.

Experimentalists, for instance, may argue that Sankaran's study doesn't say much about the effects of biodiversity loss in the real world, because the researchers didn't add or remove any species.

Global simulations conducted by the team found that microbial responses to enhanced root activity under rising CO2, while depending on plant species, climate and soil mineralogy, led to a loss of global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the world.

Regional studies suggest that marine heat waves may provoke «widespread loss of habitat - forming species such as kelps and corals, drive shifts in species distributions, alter the structure of communities and ecosystems, and have economic impacts on aquaculture and seafood industries through declines in important fishery species,» they note.

In a less varied ecosystem, many biologists have reasoned, the loss of even one species can deal a serious blow because there may not be another species to move into its niche.

«It has been predicted that more complex food webs will be less vulnerable to extinction cascades because there is a greater chance that other species can step in and buffer against the effects of species loss.

«We're assuming that the distribution of the species in the future will be constrained by the loss of their habitat,» said James Hatten, a biogeographer at USGS and author of the research.

They became interested in the Permian - Triassic boundary, 250 million years ago, during which one of the greatest mass extinctions ever took place, responsible for the loss of 95 % of marine species.

In the case of cisplatin - induced hearing loss, kenpaullone appears to protect hair cells by preventing CDK2 from stimulating the production of toxic reactive oxygen species from the cells» mitochondria.

In addition, the arrival of hemlock woolly adelgid in the early 2000s has meant, at Coweeta, the almost total loss of a foundational riparian species, and an increase in the dominance of maple and poplar in the overstory and rhododendron in the understorIn addition, the arrival of hemlock woolly adelgid in the early 2000s has meant, at Coweeta, the almost total loss of a foundational riparian species, and an increase in the dominance of maple and poplar in the overstory and rhododendron in the understorin the early 2000s has meant, at Coweeta, the almost total loss of a foundational riparian species, and an increase in the dominance of maple and poplar in the overstory and rhododendron in the understorin the dominance of maple and poplar in the overstory and rhododendron in the understorin the overstory and rhododendron in the understorin the understory.

If emissions continue at current levels, he predicts that by 2080, 39 percent of the world's lizard populations will have vanished, corresponding to a 20 percent loss in species.

A study published in this month's Ecology Letters finds that rarer species were more likely to disappear, leading to loss of frog biodiversity in Central America.

Indeed, alien invasions are second only to habitat loss in causing species extinction worldwide.

Loss of habitat and climate change are pushing 178 species toward extinction in the continental U.S.

Strangely, the scientists said, nothing of the kind is seen in a different kind of biodiversity loss: the loss of species today as you move from the warm tropics to the chillier poles.

The ocelot, a small native wildcat listed as an endangered species, has already suffered from severe habitat loss; the Texas Parks and Wildlife Department estimates there are no more than 120 left in Texas, and scientists worry that the wall would further deplete their numbers.

By 2100, climate change could also result in the loss of more than half of African bird and mammal species, a 20 - 30 % decline in the productivity of Africa's lakes and significant loss of African plant species.»

Susceptibility to C. difficile, on the other hand, was associated with loss of these protective species and a rise in Escherichia or Streptococcus.

Prof. Jean Paul Metzger from the University of Sao Paulo, another lead author of the study, said: «Our study shows a clear threshold of biodiversity losses with deforestation; below this threshold, not only many species disappear, but the functions they perform in the ecosystem will also decline, many of which are highly beneficial to humans.

24 % and 29 %: mammal and bird species likely to go extinct in lowland forests of Sundaland in South - East Asia in coming decades if forest loss continues at the present rate

To assess the situation of the Iberian lynx and other felid species that live in the wild on our planet, a team of Brazilian and Spanish scientists has reviewed the scientific literature that exists on the main threat for these mammals: the loss and fragmentation of their habitats.

Marine litter can act as an enabler of this loss: non-indigenous invasive species often use litter in the ocean as a habitat in which to hide, as a platform on which to settle or as a transport medium for moving into new territories.

The analysis identifies habitat loss and hunting as the biggest reasons behind the decline of land mammals; marine species face additional threats, including pollution and accidental death in fishing nets.

Toxic algae come in many forms, but off the West Coast the major health and economic threat comes from various Pseudo-nitzschia species which can, under certain conditions, produce domoic acid, which can cause gastrointestinal distress, seizures, memory loss and even death.

The predicted loss of species area in the climate change scenario was only 21 square kilometres per year.

In cooperation with scientists from the Thünen - Institut and the Ecuadorian Universidad Técnica Particular de Loja, a team from TUM compared the predicted loss of area of tree species caused by deforestation on the one hand and by predicted forest losses in an extreme climate change scenario on the otheIn cooperation with scientists from the Thünen - Institut and the Ecuadorian Universidad Técnica Particular de Loja, a team from TUM compared the predicted loss of area of tree species caused by deforestation on the one hand and by predicted forest losses in an extreme climate change scenario on the othein an extreme climate change scenario on the other.

In order to mitigate risks of further species loss and to work towards recovery of threatened butterfly populations, the review ends by recommending twelve management measures favourable for many butterflies.