Sentences with phrase «about population sizes»

And that, he warns, is tricky, involving many different assumptions (about population sizes on different continents, for instance) in the poorly documented period before recorded history.

Perhaps most surprising, Tyack said, scientists» knowledge about the population size of most marine mammals «is very poor, and too weak to detect declines in time for effective action.»

GCAM is a dynamic recursive economic model driven by assumptions about population size and labor productivity that determine potential gross domestic product in each of 14 regions at 15 year time steps.

In both cases, the histogram densities for each origin sum to «1.0», and the dataset does not provide any absolute metrics about the population size of individual origins, or relative population size differences across origins.

Not exact matches

The goal, he says, is not to sell to all 300 million Americans; rather, the goal is to expand his company's reach in the U.S. Northeast, which, he adds, is about the same size as Canada in terms of population.

In the last 20 years, the city's population has doubled, to almost one million, about the size of Calgary, while the population of the state has doubled, to about 1.8 million.

That little country, about the size of Vermont with the population of San Diego, stole the headlines this weekend with — what else?

New Zealand, with a population about 13 % the size of Canada, has also reaped trade benefits by punching above its weight in fostering ties with its partners in the region.

A utopia for me would be a population decrease to about half the size it is now and there would be plenty for everyone.

In addition, many Jews are poorly informed about the Holocaust and the size of the Jewish population.

It also adds more detail about the expected impact of conversions, which don't change the size of religious populations as dramatically as birth rates.

Botswana is roughly the size of Kenya, but it is landlocked and its population is less than 600,000 — about 2 1/2 people per square mile.

Indeed, in February, SI posed three basic questions about the nature of 7 - footers (population size, factors responsible for height, and health risks) to the membership of the Human Anatomy and Physiology Society.

Except Monaco is actually a solid force in Europe (French league) but Iceland is a country with a population about the size of Northumberland

The post on the Neurologica blog suggests the differences amounts to about 20 babies based on the size of the study population.

«population about the size of the state of Massachusets» is a flawed variation of the homogeneity argument which is discarded by the very / more diverse examples of France, England, Denmark, Holland, Belgium

The mayor's plan aims to reduce the city's inmate population to 5,000 detainees from its current size of about 9,400.

Roughly the size of Belgium, the semi-autonomous northeastern region accounts for about 16 percent of Spain's population and a fifth of its economic output.

With 1.8 million residents, Nebraska has a population about half the size of Connecticut, but its state budget is far, far lower.

Municipalities are supposed to have a population size of about 95,000, whilst about 75,000 are expected within a district.

«The idea that each human genome contains information about the history of its ancestors» population size has been known theoretically, but we have never had the data or methods to pull out that information until now,» says John Novembre of the University of California, Los Angeles.

«You see a rapid increase in population size from about 18,000 years ago, just as the climate began warming up after the last Ice Age,» says lead author Rebecca Dew.

Deaths from war have also been on a steady slide relative to the size of the population: War killed about 2 percent of people in the 17th century, but only 0.7 percent in the 20th century.

Although there is nothing illegal about international trade in tree sparrows, the size of the shipment — at least eight times the British breeding population of this species — is causing anxiety at the Royal Society for the Protection of Birds.

Bradshaw and his colleagues recently surveyed studies of 212 vertebrates and found that the typical minimum viable population size required for a species to survive long - term is about 5,000 individuals.

But sustaining a population of the birds on a farm is a challenge; because of borers» small size and seasonal population changes, they make up only about 10 % of warblers» diets.

Nevertheless, this study provides new information about the size and shape of the brain and skull in the Down syndrome population.

Also, the Army's EIS «did not adequately document or characterize individual risk of exposure or infection, nor did it consider potential exposures to workers and others on the base itself or how the spread of a pathogen would be affected by population size and density,» according to a press release NAS issued about the study.

Spanning nearly 2.2 million acres, about 50 times larger than Washington, D.C., and almost the size of Yellowstone National Park, the Lomami National Park in the Democratic Republic of Congo (DRC) in Central Africa is now home to a new population of the Dryas monkey.

In the Homo sapiens population with the smallest reported cranial capacity, about one person in 60,000 can be expected to have a brain size (sensu Lubenow) of as little as 700cc.

Applying high - throughput sequencing technologies to obtain sequences from most of the genome, we calculated that the passenger pigeon's effective population size throughout the last million years was persistently about 1/10, 000 of the 1800's estimated number of individuals, a ratio 1,000 - times lower than typically found.

The planet as a whole has warmed about 1.3 °F since 1900, but on the peninsula, it has shot up by a whopping 5 °F in just 50 years, forcing massive ice shelves to disintegrate and sea ice along with penguin population size to diminish.

Abstract: Background: Little is known about the sample sizes required for clinical trials of Alzheimer's disease (AD)- modifying treatments using atrophy measures from serial brain magnetic resonance imaging (MRI) in the Japanese population.

A new paper (available here by subscription, a great summary at henry) uses 357 mtDNA coding region sequences to hypothesize about the size of the human population through time across eight major geographic regions.

Background: Little is known about the sample sizes required for clinical trials of Alzheimer's disease (AD)- modifying treatments using atrophy measures from serial brain magnetic resonance imaging (MRI) in the Japanese population.

Brock: Not really, there's definitely a lot of genetics like we talked about just the size of the individuals and the length of the hamstrings and Achilles tendon and stuff like that are just more built for that sort of a, for a running activity and in certain populations but yeah, I mean you hear people talk about how in Africa they run everywhere like they just have to do that to get to school or to do whatever so they're just sort of born running but I have heard, I think it was Haile Gebrselassie that was interviewed and he was talking about how that's kind of a myth that they don't really run everywhere, they take busses and stuff just like everybody else unless needed.

The size of this estimated effect is similar to the effect of a larger black population, about 2 percent greater enrollment in charter schools accompanying a one - standard - deviation increase in the fraction of college - educated adults in the state.

In contrast, school populations closer to the high end of the performance spectrum were only about 5 percent African American, 10 percent Hispanic, and 16 percent poor, with a mean cohort size of only 114 and a mean pass rate of 84 percent on the 8th - grade math exam.

This will always be a modestly sized program, given the school's population, but it has had a major influence on the way all teachers think about how they approach their work, and the tools and equipment that they use to introduce and reinforce concept development.

Each countrys flag appears with a convenient thumbnail sketch that includes information about the countrys size and population, and its language, currency, and major exports.

Its geographical location, nestled between Syria to the north and Israel to the south, combined with the complex and delicate balance between its various ethnic and religious populations (totaling about 5 million), have endowed the country with a political role and influence far greater than its size would predict.

, Paper's availability only on iPhone lets them gauge what users do and don't like about the entirely revamped way to use Facebook without having to interfere with a good - sized country's population - worth of users.

PNG has an area of 178,703 square miles (462,860 square kilometers)-- about the size of California — with a population of 6.3 million people (2007).

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).

That a group of women did achieve a family size close to replacement (an average of about 2.1 children is required to insure the same population in the next generation) several decades ago when contraceptive techniques were less sophisticated than even today's unsatisfactory variety is compelling testimony to the fact that lower fertility is attainable even without a revolution in contraceptive technology.

If you know the size of the population served by your shelter, you can estimate the number of un-owned cats out and about on a given day by dividing the population by the mid-point number or either end of the range that makes sense to you.

The evidence is complex and often inconclusive, and there are no simple or one - size - fits - all answers to client questions about if and when to neuter their male dogs.2 There also are justifications for neutering males other than direct individual health benefits, such as population control and managing undesirable behaviors.

Our finding that un-owned cat population size and predation rate explained the greatest variation in mortality estimates reflects the current lack of knowledge about un-owned cats.

Despite its small size, it has the lowest population density of any country in Central America, at around 35 people per square mile, so you won't have to worry about crowds.

In partnership with the Shark Research group at Mote Marine Laboratory, Georgia Aquarium staff will study the population size, make - up and movements near Sarasota, to build vital knowledge about these poorly understood but beautiful creatures.