Sentences with phrase «many local extinctions»

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.
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.
«Climate warming causes local extinction of Rocky Mountain wildflower species: warmer, drier conditions decimated experimental populations of Northern rock jasmine, a mountain wildflower..»
«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.
«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.»
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.
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.
As a result, Forman says, roads are likely to cause local extinctions.
However, the more isolated a reef, the more self - reliant, and the higher the likelihood of local extinctions.
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 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.
These local extinctions could also extend to species that humans depend on for food and resources.
New research, publishing on December 8th in the open - access journal PLOS Biology, shows that local extinctions have already occurred in 47 % of the 976 plant and animal species studied.
Local extinctions have already occurred in 47 % of the 976 plant and animal species studied, report researchers.
However, the results showed that local extinctions varied by region and were almost twice as common among tropical species as among temperate species.
It found that local extinctions occurred in about half of the species surveyed across different habitats and taxonomic groups.
«Climate change is already causing widespread local extinction in plant and animal species.»
The study also tested the frequency of local extinction across different regions, habitats, and groups of organisms.
The new study, by Professor John J. Wiens from the University of Arizona, used these range - shift studies to show that local extinctions have already happened in the warmest parts of the ranges of more than 450 plant and animal species.
And a paper this week shows that local extinctions were also tied to bursts of warming.
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.
We have increasing evidence of a decline in certain tree species as a result of the local extinction of forest elephants.»
This could help avoid their own local extinction due to ever - increasing habitat degradation in their original range, could provide potentially robust stock for denuded areas, and assist in shortening the time needed for adaptation of stocks yet naïve to such extremes.
«The habitat would be chopped down and, in addition, with so many of the people who come in, there will be more hunting... exacting more pressure on species and leading to population declines and local extinctions.
«My concern is that the changes in behaviour Höglund describes may indicate populations on their way to local extinction,» says Bill Sutherland of the University of East Anglia.
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.
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.
The failure of these early glimmerings of art and sophisticated weaponry to spread and become permanent fixtures of the Middle Paleolithic and the Middle Stone Age seems to have been the result of small population sizes and local extinctions of these populations and their traditions.
Small populations of Middle Palaeolithic hominins may have contracted and survived in refugium zones in Arabia [19], [22], [62], [63], although genetic interchanges and local extinctions are expected [41], [60].
Away from the coastlines, there is evidence that non-human primates can hunt prey at unsustainable levels, for example wild chimpanzees (Pan troglodytes schweinfurthii) at Ngogo in Uganda hunt red colobus monkeys (Procolobus rufomitratus) at a rate that may lead to local extinction of the latter (Teelen, 2008).
Introduction of ranavirus to isolated wood frog populations could cause local extinction.
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
One involves engineering reproductive isolation (speciation) between populations that can otherwise interbreed, so as to limit gene flow; a second involves creating genetic methods that can, reversibly, drive populations of invasive species and / or vectors of disease to local extinction; a third involves creating genetic methods that can drive — in ways that are easily reversible — the spread of beneficial genes into wild insect populations so as to prevent the spread of vector - borne disease.
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.»
To help bring this fish back from the brink of extirpation (local extinction), biologists are planning four releases of captive - raised fish through the winter of 2018; the December 2015 release was the first.
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.
For a century, the Channel Islands were used primarily for ranching and fishing activities, which had significant impacts on island ecosystems, including the local extinction of sea otters, bald eagles, and other species.
Unless more robust efforts are made to control these ravenous invaders, local extinction is a real possibility for some bird species.
On the other side of the equation, a good example of when we might use the PP involves local extinction.
Too often we read of the losing battles: local extinctions and irreversible biodiversity losses, often at the expense of shortsighted exploitation - for - profit schemes.
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.
8 % + extinction rates, even if they be local extinctions of endemic species, is still a major disruption, like it or not.
These poor pikas are struggling, and especially with 2014 confirmed as the hottest year on record, these animals are at risk of local extinction.
Although mistaking unanticipated emigration for a local extinction has been the hallmark of several bad global warming studies, some researchers refuse to unlearn mistaken beliefs.
Less time spent foraging for food means less to eat, which increases the likelihood of local extinction.
Only 63 unique pillar coral colonies are currently alive in the Florida Reef Tract, so a group of scientists, including those at the Tampa - based Florida Aquarium have banded together to save the species, which is under threat of local extinction.
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