Sentences with phrase «as the population density»

As population densities of hunter - gatherers slowly rose at the end of the ice ages, bands had to choose between feeding more mouths by taking the first steps toward agriculture, or else finding ways to limit growth.

These so - called urban heat islands result from various factors, such as population density, surface sealing, thermal radiation of buildings, industry, and transport as well as lacking vegetation.

CrvA expression is activated by quorum sensing and increases as the population density of bacteria grows, the researchers found.

In this, early humans «expanded to fill all usable land, and then intensified land use as population densities increased».

In many species, particularly those where individuals can change their sex, each fish produces fewer young as the population density drops.

«It's perplexing,» says Stefan Walker of James Cook University in Townsville, Queensland, Australia, «because as population density drops, more resources should be available and populations should increase.»

It includes such measures as population density and distribution

Because they were analyzing data at the state level, not detailed data on each individual, they also had to take into consideration other factors that could explain high or low scores such as population density and parental education.

It's not really the ZIP code that the calculation is based on, but what the area of the ZIP code represents — factors such as population density, disposable income per capita and accident frequency, just to name a few.

Premium rates on car insurance are affected not only by a driver's on - road behavior, but also by the driver's zip code demographics, such as population density, unemployment rates, the median resident age, median income levels, poverty stats, crime rates, and the percentage of uninsured drivers on the roads, among other things.

The premium rates for Connecticut car insurance policies are influenced by demographic factors such as population density, income levels, resident median age, and crime rates in your particular zip code, among other things.

Rates are affected by variables such as population density, median annual income, median resident age, and neighborhood crime rates, among other factors that change from one zip code to another, even within the same state.

Premium rates on auto insurance are affected not only by your driving record, but also by the demographic features of your zip code, such as population density, unemployment rates, median income levels, poverty stats, median resident age, crime rates, the percentage of uninsured drivers on the roads, and other details that change between zip codes, even within the same state.

No matter what you want to insure or what part of the state you reside in, New York insurance quotes are determined by various risk factors; these risk factors increase dramatically as population density increases.

SF real estate is likely going to start to diverge more from south bay real estate, much like east bay real estate diverged 20 - 25 years ago as population density grew and traffic became more of an issue.

The product isn't just imagery, either; Liquid Galaxy can display key information of interest to real estate investors and developers, such as population density and nearby transportation.

Not exact matches

Its positions in Southern California, the Chicago region, the Northeast, as well as Florida place it within large population centers, which, according to the DEA, gives it access to «potential high density drug markets that TCOs will look to exploit through the street - level drug distribution activities of urban organized crime groups / street gangs.»

«As has been clear for several years now, the cities that do best in this ranking are mid-sized conurbations in countries with low population densities.

for Transport, the public must question every major transport project as spending 2.2 billion dollars on the Forrestfield - Airport rail link is a grotesque waste of money which can not be justified with our very low population density and simply needs an efficient bus system at a fraction of the cost similar to that servicing Melbourne's Tullarmarine Airport.

Thus, New York City, with about three times as many bars and more than triple Atlanta's population density, got a multiple of three.

Researchers of the Canadian study says factors such as work, urban size, population density, economic opportunity or deprivation, and access to and quality of infrastructure, amenities and services may explain the community - level differences in life satisfaction.

Productivity is probably hurt someone what by the high population density (it's hard to find room to build Walmarts) as well as burdensome regulations, which partly reflect a culture with strict rules.

The five cities we identified as the most affordable location all have something in common: lower population density as well as lower average travel time to work in comparison with the most expensive cities.

@JohnSlegers We have a census every 10 years and that is generally when districts are redrawn as they have to take into account the changes in population densities of different regions.

Partly as a result of the UK's relatively high population density, the top 15 UK airports account for more than one million of the 2.5 million people affected by aviation noise across the Europe Union (41 per cent of the total), based on the European standard measure of 55LDen.

2011 Census information on total population, population density, and the proportion of the resident population falling into different categories of gender, age, household type, housing tenure, ethnicity, country of birth, passports held, English (or Welsh in Wales) spoken as a main language, religion, National Statistics Socio - economic Classification (NS - SeC), Economic activity, industrial sector, qualifications, health, and deprivation.

A block's walkability depended on its proximity to amenities such as grocery stores, weighted by the local population density.

He found out that you can't suppress the geographical features: they appear as the roads avoid them, and you can get a more immediate idea of the population density of a region just by looking at its roads than by studying its population data.

The computer simulation, based on data from Texas including population dynamics, historical infection rates, socioeconomics, and mosquito density, is designed to help policymakers gauge the underlying epidemic threat as cases first appear in US cities.

As far as archaeologists can tell, people here were loosely connected culturally to Scandinavia and lived with their extended families on individual farmsteads, with a population density of fewer than five people per square kilometeAs far as archaeologists can tell, people here were loosely connected culturally to Scandinavia and lived with their extended families on individual farmsteads, with a population density of fewer than five people per square kilometeas archaeologists can tell, people here were loosely connected culturally to Scandinavia and lived with their extended families on individual farmsteads, with a population density of fewer than five people per square kilometer.

And the whales are beginning to feed at various depths as well as along the sea floor, a shift that may have to do with changes in the population densities of their prey.

Looking at indicators of population size and density (such as the number of stone tools, animal remains, and total number of sites), he concluded that modern humans — who may have had a population of only a few thousand when they first arrived on the continent — came to outnumber the Neanderthals by a factor of ten to one.

According to the new study, the mean weighted latitude of density of Finnish bird populations has shifted northward by an average of 45 km, as predicted.

«Given the likelihood that the California sea lion population is approaching carrying capacity, density - dependent effects such as food limitation (and stranding) of pups may be a long - term consequence of a rebuilt sea lion population during periods of low abundance of high - quality forage,» the scientists wrote.

As for how many people the planet can sustain, the first such estimate came from microbiologist Anton van Leeuwenhoek who calculated roughly 13.4 billion people back in 1679, based on the population density of his native Holland and its size relative to the rest of the globe.

«Current deer population densities in central Appalachia jeopardize the future of ginseng, as well as the culture of harvest and trade surrounding this important herb,» McGraw and Furedi conclude in their report, published today in Science.

To achieve this, the researchers took advantage of a phenomenon known as quorum sensing, which is used by many species of bacteria to coordinate gene regulation in response to their population density.

«As we are controlling for economic factors, population density appears to play an independent role in accounting for the disparate death rates.»

The team looked at an outer surface protein of B. burgdorferi found in ticks — which can give clues about the vertebrate host — as well as the probabilities that different host species transmit the microbe during a tick bite, the number of larvae feeding on the animals, and population densities.

The link was most pronounced in the south, perhaps because of its greater population density as well as southern migration due to the cold.

Consequently, the Missouri team used population density as a proxy for social complexity, reasoning that when more people are concentrated in a geographic region, trade springs up between groups, there is greater division of labor, the gathering of food becomes more efficient, and interactions among individuals become richer and more varied.

For this reason, this type of rainwater harvesting system is particularly recommendable in districts with high population densities, such as (in Barcelona) Sants, Verdun, Sagrada Família, Sant Antoni or el Guinardó, whose consumption of resources per m3 is up to 40 % lower than that of districts like Pedralbes, Sarrià, la Clota, el Bon Pastor, Vall d'Hebron or Vallvidrera.

Their findings revealed that cardiology and neurologic inpatient prevalence rates (the proportion of a population found to have been hospitalized per 100 residents per year) were significantly higher in areas closer to active wells, as determined by the proximity of wells to a person's home and their density as defined by the number of active wells per square kilometer.

Professor Eric Fèvre, Chair of Veterinary Infectious Diseases at the University's Institute of Infection and Global Health said: «Although Laikipia County camel density is low relative to more northern regions of Kenya, our study suggests the population is sufficient to maintain high rates of viral transmission and that camels may be constantly re-infected and serve as long term carriers of the virus.

In California, both NME and pertussis clusters were associated with factors characteristic of high socioeconomic status such as lower population density; lower average family size; lower percentage of racial or ethnic minorities; higher percentage of high school, college, or graduate school graduates; higher median household income; and lower percentage of families in poverty.

Tropical cyclones in the Bay of Bengal, however, have devastating consequences when they hit land due to a combination of factors such as a low - lying and flat coastal terrain, a shallow ocean floor, and a high population density of surrounding countries.

In some instances, however, rapid reductions in urchin density may be desirable to facilitate recovery of coral populations as part of a restoration strategy.

Climate fluctuations in Asia are known to trigger plague outbreaks, as climate variation is closely tied to rodent population densities.

Wrangham, R. W., Gittleman, J. L. & Chapman, C. A. Constraints on group size in primates and carnivores: population density and day - range as assays of exploitation competition.

The effect appeared to hold even after researchers accounted for risk factors such as greater gun ownership and lower population density.