Sentences with phrase «stable population»

This is not the case, the library is actually seeing a fairly stable population of kids, students, and older folk.

On the other hand, plenty of these zip codes show relatively stable populations from 2000 to 2010 — and dramatically shifting demographics.

Today's counseling professionals take a more holistic approach in working to impact and alter individual lives and families, which ultimately leads to a more productive and economically stable population.

What was once a well - managed and stable population of feral cats now has an extremely uncertain future ahead of them.

Ms. Roberts is not alone in pressing the case for action on family planning, a greater focus by scientists on clarifying population trends and their implications and a lot more resources committed to facilitating a smooth transition toward stable populations in places now seeing explosive growth (the «population cluster bombs» I wrote about early in Dot Earth).

As a consequence, in contrast to the current popular and scientific debates, it seems likely that countries at the most advanced development stages will face a relatively stable population size, if not an increase in total population in cases where immigration is substantial.

But the most diverse and numerically stable population around is in fact the entire population.

States and districts with more stable populations have fewer teaching jobs.

The unique gigantism of sauropod dinosaurs has long been recognized as an important problem in the evolution of vertebrates, raising questions as to why no other land - based lineage has ever reached this size, how these dinosaurs functioned as living animals, and how they were able to maintain stable populations over distinct geological periods.

Captive breeding, public awareness and habitat restoration are improving the status of the island fox, but we still have a long way to go to reach healthy stable population numbers.

In fact, of the 36 species of birds in North America that weigh over 4 pounds, 24 of those have shown population increases, nine have shown stable populations and only one has shown a decline in the last 30 years.

The idea was to collect DNA from geographically stable populations to find clusters of genetic similarities that predated the post-Industrial Revolution world of heightened mobility.

The prevalence of the disease soared from less than 25 percent to 80 percent, and the previously stable population significantly declined after 2013.

«Since the year 2005, we have noted stable populations around and on the North Sea island of Wangerooge.»

Researchers have traditionally thought of Cahokia as a relatively homogeneous and stable population drawn from the immediate area, he said.

Being able to isolate stable populations of totipotent cells in culture would therefore be highly valuable for research and have potential medical significance.

More particularly, we have developped a protocol to induce efficicent and synchronized differentiation of PSC into the neural lineage in order to capture stable populations of self - renewing neural stem cells (NSC).

François Bienvenu and Stéphane Legendre, in their note «A New Approach to the Generation Time in Matrix Population Models,» appearing in the June 2015 issue of The American Naturalist, introduced a new measure of generation time Ta, the average time between birth events in an ancestral lineage, and derived the remarkably simple formula Ta = λ (vT w) / (vT F w) for any matrix model, where F is the fecundity matrix and v, w are reproductive value and stable population structure.

The apparently stable population of at least 9,000 individuals makes this bird common on Santa Cruz, however, the establishment of West Nile Virus (WNV) in southern California in 2003 may pose a threat if it crosses to Santa Cruz Island from the mainland.

I asked Rob a question posed in comments here a couple of months ago by Steven Earl Salmony, a psychologist who is an impassioned champion of reining in population growth: Does the concept of the demographic transition, which takes societies from high birth and death rates in deep poverty to aging and stable populations as they advance, have the weight of scientific theory or is it far less established?

This project will benefit communities that rely on healthy Boreal and Great Lakes St Lawrence Forest, where local ecotourism economies are dependent on stable populations of moose, deer, fish and the quality of forest cover.

The regrowth accommodates a wider variety of wildlife, leading to more stable populations

Risky business With a perfectly homogeneous environment and stable population numbers, «there would almost certainly be no need for sex,» noted Otto on a 2009 paper published in The American Naturalist.

«Finding this individual does not indicate that there is a functional, stable population of wild alligator snapping turtles in Southern Illinois,» Kessler said.

«I would try to aim for a stable population in Britain.

First time voters were least likely to vote, over seventies the most likely to vote — a stable population able to use postal votes which have now become an alternative way to vote.

«I want a stable population of fishers and owls.

Grimm, a high school fine arts teacher, says he hopes to call attention to the honey bees» continued struggle to regain a stable population.

The species was on the brink of extinction late in the 20th century but has largely recovered and now has a stable population and is in the process of being removed from the U.S. federal government's list of endangered species.

In Costa Rica, abandoned cattle pasture is nurturing a flourishing young forest that in turn now supports a stable population of jaguars and other threatened fauna.

Moa genetic diversity was nearly constant for 3000 years before their extinction, a sign of a stable population (PNAS, DOI: 10.1073 / pnas.1314972111).

According to the researchers, the presence of Osedax at these latitudes could be related to the contact with the deeper and colder waters in Blanes» underwater canyon, an area where they think more abundant and stable populations of the new Osedax species could live.

Because humans are born with a stable population of RPE cells that stay put throughout life, the researchers expected that fixing the cells once would make a lasting impact — and indeed, the vision of patients who got the therapy improved after a single treatment.

Researchers also provided new details of how the Nrp1 pathway functions, including evidence that along with bolstering the ability of regulatory T cells to suppress the immune response, the pathway also helps maintain a stable population of regulatory T cells.

With a population of about 9 million, a landmass about the same size as California and a stable population, most people enjoy a good quality of life (albeit cold at some times of the year).

However, the use of a «virtual ecologist» model on recent census data, alongside historic data, point to a stable population (Ratcliffe et al. 2008).

Adopting a BCAS feral cat will mean you're encouraging a healthy, stable population of nigh - unseen rodent hunters.

San Cristobal is one of the five largest islands of the Galapagos Archipelago; one of the oldest of the group geologically speaking; the one with the most amount of natural fresh water (just on Floreana and San Cristobal) and also one of the oldest human settlements in the islands with a stable population since the second half of the 19th Century.

& Beyond Mnemba Island has a small yet stable population of these enormous crabs and recently hosted researchers from Sweden's Gothenburg University in Sweden, who conducted a study of the coconut crabs on Mnemba and nearby Chumbe Island (the first study of its kind conducted in Africa).

We must come to grips with the idea of finding out how to run civilizations that have stable populations.

Is the Chinese concern about having a stable population or is it about the demographic age distribution they have on the way to stability?

Our story on the punishment of a woman in Sudan who dared wear pants brings to mind a theme that has percolated on Dot Earth for a while: the relationship among the conditions facing women (and girls) in developing countries, progress toward prospering, stable populations and, in the end, societal and environmental stability.

As a result, a stable population of ruminants need not increase the stock of atmospheric methane over time (or the associating forcing).

Do you have your own vision of a path through this transition that comes out with a world that has reasonable functional ecosystems and resources left over for the stable population to come?