Sentences with phrase «local extinction»

An alarming study finds at 4.5 degrees warming, the world's most biologically diverse ecosystems could see local extinction of half their plant and animal species.
The study also tested the frequency of local extinction across different regions, habitats, and groups of organisms.
If species can move freely to new locations then the risk of local extinction decreases from around 25 % to 20 % with a 2 °C global mean temperature rise.
As the climate changes species will no longer suit their habitats, and those that can not move will be forced into at least local extinction.
«Climate change is already causing widespread local extinction in plant and animal species.»
«Climate warming causes local extinction of Rocky Mountain wildflower species: warmer, drier conditions decimated experimental populations of Northern rock jasmine, a mountain wildflower..»
The findings come after UEA research revealed that up to half of all plant and animal species in the world's most naturally rich areas could face local extinction by the turn of the century due to climate change if carbon emissions continue to rise unchecked.
Up to half of plant and animal species in the world's most naturally rich areas, such as the Amazon and the Galapagos, could face local extinction by the turn of the century due to climate change if carbon emissions continue to rise unchecked.
Almost half of plant and animal species have experienced local extinctions due to climate change, research reveals, with the tropics suffering the most pronounced loss
These early humans suffered local extinction in Northern Europe during the great ice age known as the Anglian glaciation 450,000 years ago, but re-established themselves as the climate grew warmer again in the following Hoxnian interglacial.
It found that local extinctions occurred in about half of the species surveyed across different habitats and taxonomic groups.
«Climate change is now recognized as a major threat to global biodiversity, and one that is already causing widespread local extinctions
Almost half of plant and animal species have experienced local extinctions due to climate change, research reveals, with the tropics suffering the most pronounced loss
Adaptation can help prevent local extinction of plant and animal species by restoring, protecting and connecting lands and waters.
This can be about animals or plants that are threatened within your local area as well as at the national or global level - many local extinctions will eventually add up to a global extinction!
Endangered seals in a marine protected area are heading towards local extinction, even while the same species thrives in an unprotected area nearby.
They say the analysis provides the simplest expectation for the future distribution of marine biodiversity, showing recurring spatial patterns of high rates of species invasions coupled with local extinctions.
However, the results showed that local extinctions varied by region and were almost twice as common among tropical species as among temperate species.
The study concludes that if bristlecone pine trees are unable to advance upslope because they are blocked by limber pine, bristlecones could face a reduction of their range and possibly local extinctions.
Because their populations are already small in the region, barriers that isolate bears could eventually lead to inbreeding, increasing the risk of local extinction over time.
Toronto's reported dog bites have been rising since 2012, and in 2013 and 2014 reached their highest levels this century, even as pit bulls and similar dogs neared local extinction.
[14 — 17] Actually, Nico Dauphiné and Robert J. Cooper take its already - tenuous claims one step further, citing Hawkins» work (actually a 2004 conference paper that summarizes his dissertation [18]-RRB- as evidence that «the continuous predation pressure exerted by exotic predators in exponentially high densities can and has resulted in numerous local extinctions of continental land birds.»
In 2015, & Beyond Phinda Private Game Reserve donated five lionesses to Rwanda's Akagera National Park (as part of an African Parks project) which helped to successfully reverse a 20 - year local extinction of the species; one of these lionesses recently gave birth to the first cubs born in Rwanda in nearly two decades.
Overhunting inflates the vulnerability of game populations stranded in forest fragments, further aggravating the risk of local extinctions [6].
Sagar Sahasrabudhe and Adilson Motter of Northwestern University in Evanston, Illinois, have shown that in several model food webs, as well as in two webs modeled with data derived from real ecosystems — the Chesapeake Bay off Maryland and Virginia and the Coachella Valley in Southern California — removing or partially suppressing one or more species at key time points after one member has gone extinct saves other members of the web from local extinction.
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).
The study found that local extinctions occurred in 47 percent of the 976 species evaluated.
«During the invasion, rhododendron dramatically reduces the amount of light reaching the woodland floor throughout the year, causing local extinction of native grasses and herbaceous plants.
Having variants of two novelty - seeking genes might help some warblers survive by making migration more attractive to them than to peers who risk local extinction by staying put, a study has found.
Biologists say that they «uncovered a staggering rate of local extinctions in the mammal fauna, with only 767 from a possible 3,528 populations still persisting.»
«We found that local extinction of marine species exceeded 50 percent of current biodiversity levels across many regions and at times reached levels over 80 percent.»
«Chalk - stream salmon are adapted to fast freshwater growth and it is unlikely that they could be replaced if anthropogenic stressors were to drive them to local extinction
The study projected that as many as 20 percent of lizard species worldwide could go extinct by 2080, and local extinctions — the disappearance of a population in one particular geographic location — could reach as high as 40 percent.
«We came up with the idea that the native shrimps might be eating the exotic species to the point of local extinction, and hence its patchy occurrence» said Prof. Dick.
A corridor that is doing its job pushes back the probability of a local extinction — of island species winking out — just as trapped miners can be kept alive by tubes of air snaked from the surface.
A first - of - its - kind study led by researchers at the University of Florida shows that the dramatic loss of elephants, which disperse seeds after eating vegetation, is leading to the local extinction of a dominant tree species, with likely cascading effects for other forest life.
Then there are the bees: Regardless of whether honeybees become extinct as a species as a result of colony collapse disorder, climate change and other threats, the local extinction of various honeybee populations and the pollination they provide could spell disaster for human agriculture.
Could you prevent nine local extinctions by hastening one extinction?
As a result, Forman says, roads are likely to cause local extinctions.
Giraffe are in very low numbers — down from some 13,000 in the early 1980's to only hundreds remaining now and at risk of local extinction.
However, the more isolated a reef, the more self - reliant, and the higher the likelihood of local extinctions.
Less time spent foraging means they don't have as much food to eat, which increases the likelihood of local extinction.
Local extinctions have already occurred in 47 % of the 976 plant and animal species studied, report researchers.
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