Sentences with phrase «isolated population of»

A coalition of environmental groups are suing the U.S. Fish and Wildlife Service (FWS) for not listing an isolated population of Greater...

A coalition of environmental groups are suing the U.S. Fish and Wildlife Service (FWS) for not listing an isolated population of Greater Sage Grouse on the CA - NV border as endangered.

In a punctuationist model of speciation in Homo, the anatomical and cognitive adaptations unique H. sapiens would have evolved together in a small, isolated population of its parent species (currently thought to be H. heidelbergensis).

TVT remained in an isolated population of dogs for most of its history, then something happened that allowed it to move into other dog populations and spread around the world3.

A different research group recently found that the Osiris gene cluster is under strong selection in an isolated population of the fly D. yakuba that has just begun adapting to a diet of poison - laden noni, another clue that learning more about these genes may be crucial for understanding OA resistance and this compelling model of ecological adaptation.

An isolated population of honeybees, the Cape bees, living in South Africa has evolved a strategy to reproduce without males.

By 35,000 years ago, H. sapiens appears to have had the planet to itself, with the possible exception of an isolated population of H. floresiensis — the «hobbit» people of Southeast Asia — and another newly discovered hominid species in China.

In some situations, like war, it may be good to have an isolated population of young males.

The second was an Amazonian group from an isolated population of indigenous Amerindians.

So how do you isolate a population of cow - sized reptiles?

She works to isolate populations of these cells, discover how the body regulates them, and understand how they can be used to treat disease.

Konstanz evolutionary biologists working with Prof. Axel Meyer have now described parallel evolution of two closely related, but geographically isolated populations of cichlid fish in Nicaraguan crater lakes.

The genomes of both the Vindija and Altai Neanderthals provide evidence that Neanderthals lived in small and isolated populations of no more than about 3,000 individuals per region.

After that year, the researchers may continue to work on any stem cell lines (the isolated populations of stem cells) that they have established.

But I would never try to convince anyone that I know what the myriad geographically isolated populations of paleolithic humans composed for their various diets.

Another is population viability analysis, which uses computer models to project trends in a range of conditions affecting isolated populations of a species and calculates the probability of long - time survival.

Before joining LDF, she conducted and published research on antipredator behaviors in island isolated populations of California quail.

It is believed that this technique could explain why the many seemingly isolated populations of estuarine crocodile have not split into divergent species.

Not exact matches

«Since the late 80s... the number of people who say they feel isolated has doubled if not trebled, according to population surveys in Europe, the US and Australia.»

The decision to isolate high - risk offenders system follows a government report which highlighted the dangers of leaving religious extremist prisoners as part of the general prison population.

As described in this 2015 YouTube video (embedded below), a low social credit score is meant to isolate unruly citizens from the rest of the population and deny them access to state services and benefits via travel bans, increased prices for day - to - day products, higher bank interests, and others.

Denied the support of the population, insurgents can be isolated and defeated.

Change can also occur due to accidental loss of alleles (genetic drift) in small isolated populations.

The effort that is expended in segregating, isolating, and discriminating large segments of the population would be better spent dealing with things like decent education, housing and medical care for ALL.

For the most part the persecution seems to have taken the form of the enmity of the surrounding population finding vent in isolated cases of violence.

So, this isn't a problem that is isolated to a small subsection of our population but is probably something ingrained within our psyche.

The inclusion of isolated population segments into the dominant economy created permanent disruptions in the moral economy of rural life — social upheavals that generated potential recruits for sectarian movements.

Economic expansion in this core was associated with two other dominant trends: growth in population (the so - called demographic transition, which both facilitated, and was facilitated by, industrialization) and the geographic inclusion of previously isolated, local, and ethnic sectors of the population into the commercial and industrial labor force.

A telling characteristic of the great problems which haunt the world (our relation to nature, world population issues, the call for justice) is that these problems can not be isolated from one another.

The state is one of the most isolated population centers on earth, located 2,390 miles from the U.S. mainland and 3,850 from Japan.

See Appendix A. 1 for more information * There are a number of broad Australian comparative disadvantages such as high labour costs, a dispersed and geographically isolated market and small population which impact the MTP sector.

Those neighborhoods have only become more challenged in the last few decades as the population that remains has become more isolated from the rest of Chicago.

The Andromeda Galaxy is easily visible to the naked eye in a moderately dark sky, though such a sky is available only in smaller towns and isolated areas reasonably far from population centers and sources of light pollution.

In contrast, some languages with large populations of speakers, such as Mandarin, Hindi, and Arabic, are relatively isolated in these networks.

This massive environmental change is believed to have created population bottlenecks in the various species that existed at the time; this in turn accelerated differentiation of the isolated human populations, eventually leading to the extinction of all the other human species except for the branch that became modern humans.

As this resource becomes less permanent due to warming, wolverine populations may become physically and genetically isolated — leading to decline of the species

The authors examine the concept and importance of maintaining connectivity (ability of wildlife populations to move among landscapes between habitat «islands» such as mountain tops, forest fragments and isolated wetlands) and corridor ecology.

Let's say that a species migrates out of Africa into Europe around 400,000 years ago and becomes reproductively isolated from its ancestral population for the next 320,000 years.

The search for the gene began in Finland, whose isolated population has often been studied for its elevated rate of rare genetic diseases.

The natural world was a continuum, he concluded, with isolated populations perpetually in the process of becoming species in their own right.

According to the late Harvard University biologist Ernst W. Mayr, the greatest evolutionary theorist since Charles Darwin, «species are groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups.»

When you isolate one segment of a population, you often get extreme behavior.

«We were really surprised to see that the levels of resistance of the individual isolates were considerably lower than the population as a whole,» explains Collins, who published his results recently in Nature.

Then there's Pailin's tragic history as the last stronghold of the Khmer Rouge, which left the population shattered, isolated, uneducated, suspicious, and devastatingly poor.

Infectious disease experts say the outbreak underscores one lesson of the Ebola epidemic of 2 years ago: As cities burgeon and populations become more mobile, once - isolated diseases are increasingly likely to reach cities, where they can race out of control.

«Unlike most terrestrial species, populations of whales within oceans are not isolated by geographic barriers.

The lynx's conservation strategy consists of connecting isolated populations through ecological corridors, but the information provided through local and regional population viability models for short and longer time periods also helps.

With the aim of studying the history and genetic diversity of the species, analysis was conducted on the genomes of another ten Iberian lynxes from Doñana and Sierra Morena, the only two surviving populations on the Iberian Peninsula, which have been isolated from each other for decades.

Specifically, Toni Gabaldón's group at the Centre for Genomic Regulation in Barcelona has compared the Iberian lynx genome with those of other species, attempting to identify genes that have lost their function because they have remained isolated and the existence of a small population of specimens of this species.

An iconic example of the Ice Age megafauna of North America, the mammoth went extinct soon after humans arrived on the continent — except for isolated populations.