Sentences with phrase «estimates of population»

Yet, model projections of future global warming vary, because of differing estimates of population growth, economic activity, greenhouse gas emission rates, changes in atmospheric particulate concentrations and their effects, and also because of uncertainties in climate models.
Estimates of the population generally range around 50,000 for the southern agricultural area, but I've seen higher guesses.
Annual estimates of population affected and expected damage in Europe in case of no - adaptation (grey) and post-event adaptation (red).
Accordingly, the observed percentage differences are not reliable estimates of population differences, although the pattern of the observed experimental effects is likely to be robust.
Our study also provides the 1st estimates of population size for feral cats on Catalina (600 — 750 cats).
Estimates of the population size at its nadir range from 30,000 to 200,000.
A new study from The Condor: Ornithological Applications provides the first direct estimates of the population size and annual survival of young birds in Oahu's Laysan Albatross population, giving important new insights into the demographics of these «prebreeders.»
The lack of reliable estimates of the population size and rates at which people enter and leave the postdoctoral pool complicated the analysis.»
Point estimates of population parameters (e.g., mean, correlation coefficient, slope) or comparative measures (e.g., mean difference, odds ratio, hazard ratio) should be accompanied by a measure of uncertainty such as a standard error or a confidence interval.
The team used novel statistical techniques coupled with data from death certificates and estimates of the population in each U.S. state to calculate life expectancies, even for some states with small black populations.
Combining these measurements with estimates of the populations of algae, zooplankton, and fish taken from regular net catches, the researchers report that they detected unusual oscillations in the amount of algae in the lake more than a year before the lake's food web shifted.
That's.0005 % — if you use the lowest estimate of population.
By returning year after year to the same area to count the sharks, the researchers can get a better estimate of population trends.
A station average is a sampled estimate of a population (places on earth) mean.
do not yield an estimate of population mean of accuracy much beyond that of a single year.
No one doubts that if you are able to sample multiple times where the errors are normally distributed (or even known distribution) you can get a better estimate of a population statistic with diminishing returns, but the question remains: What relevance does this have to the question under discussion?
To observe that the estimate of populations isn't owed to observation, but to presupposition, is to claim that the world is square.
The US Census Bureau provides a running estimate of population and it was on July 30, 2009.
Every sample statistic is an estimate of a population parameter.
Because of this change, estimates of populations with diabetes and prediabetes in the 2011 fact sheet are not directly comparable to estimates in previous fact sheets.
These models pooled the repeated measures on each outcome at ages 18 to 21 years and 21 to 25 years to produce an estimate of the population - averaged effect of the level of depression at ages 17 to 18 years on the outcome after adjustment for covariates.
DATA QUALITY 4 The significant volatility in Indigenous census counts and the quality of data on births, deaths and migration of Indigenous persons do not support the use of the standard approach to population estimation, in which observed numbers of births, deaths and migration during a specified period are added to the population at the start of the period to obtain an estimate of the population at the end of the period.
Specifically, the standard approach to compiling life tables and resulting life expectancies at birth requires complete and accurate data on deaths that occur in a period, and an estimate of the population exposed to those deaths at the mid-point of the period.

Not exact matches

It's estimated that Nigerian oil money goes to approximately the top 10 percent of the population.
«Those who had led the rebellion had under - estimated the deeply buried desire of far too large a proportion of the population who simply preferred to be told what to do,» she remembers.
The United Nations estimates that by 2050 more than 60 % of the world's population will lack fresh water for drinking and cooking.
According to the Census Bureau's population estimates for 2014 and their tabulations of the land area of each county, 50.1 % of the US population lives in those counties:
Urban areas accounted for only 20 % of the nation's population growth for the 12 months ended July 1, 2015, according to the latest Census Bureau estimates.
The US Census Bureau recently released estimates for the major components of population change — natural change (births minus deaths), net domestic migration, and net international migration — for the states between July 1, 2015 and July 1, 2016.
Steel estimates that at least 95 % of the population procrastinates in some way, but that 15 % to 20 % of us do it consistently and destructively.
It's estimated that only 3 % of the population is a twin and with such small odds, it's no wonder why most people are so intrigued by the idea.
By making it clear that discrimination against LGBT employees is prohibited, employers will better position themselves to recruit not only the estimated three percent of the population that identifies as LGBT, but also other candidates, particularly millennials, who expect to work in a diverse and inclusive workplace,» Phillis said in emailed comments.
«This scenario reconciles the discrepancy in the nuclear DNA and mitochondrial DNA phylogenies of archaic hominins and the inconsistency of the modern human - Neanderthal population split time estimated from nuclear DNA and mitochondrial DNA,» says researcher Johannes Krause, also of the Max Planck Institute for the Science of Human History.
The US Census Bureau recently released its annual population estimates for each of the country's 3,142 counties and county equivalents.
In addition to showing the estimated total population change in those areas between July 1, 2016 and July 1, 2017, the Census Bureau also included a breakdown of the components of that change, including net international migration, or the number of immigrants from other countries moving into a county minus the number of people leaving that county for another country.
In the U.S., an estimated 16.1 million adults, or nearly 7 % of the population, has experienced at least one major depressive episode in the last year, according to the National Institute of Mental Health.
Because China now has the world's largest population of Internet users (estimated at 640 million in 2014), no responsible CEO of an American technology company can afford to write off this huge market simply because of Beijing - imposed restrictions.
Studies have estimated 3 % of the U.S. population suffer from the pain and numbness of carpal tunnel syndrome (although the jury is still out as to whether its causes are genetic, occupational or a combination of the two).
Mobile Vaani estimates that roughly 65 percent of the poorly - literate / low - income population in India is unlikely to have access to the internet in the next decade, but 40 percent of those already have access to mobile phones.
By 2040 it is estimated that as many as 80 million Americans, or approximately 20 percent of the overall population, will be part of the 65 - and - older cohort.
First, the number of Jews who can be thought of as threatening non-Jewish control of U.S. industry is not so large as the Jewish population estimate of 1933 would suggest: the great mass of the 4,500,000 American Jews, like the great mass of American non-Jews, is made up of workers, employed or unemployed, to whom the control of U.S. industry is a purely academic matter.
The US Census Bureau recently released its population estimates for each of the 50 states and Washington, DC, for 2016 and how populations changed from July 1, 2015, to July 1, 2016.
As a result, once - eliminated diseases are making a comeback (to stop a disease from spreading, researchers estimate around 95 % of the population must be immune).
This is especially true of Abdullah, given that an estimated 70 percent of Jordan's population is Palestinian.
Walmart has estimated that 90 % of the US population lives within 10 miles of one of its more than 4,700 stores.
Piketty and Saez address these omissions by estimating the number of non-filers and their income and adding these to the population of tax filers and the market income calculated from the income tax data.
The United Nations Economic and Social Commission for Asia and the Pacific estimated that, in 2014, 4.3 billion people lived in the Asia - Pacific region, accounting for 60 percent of the global population — more than half of the people in the world!
The number of consumer fixed Internet users was not taken directly from an analyst source but was estimated from analyst forecasts for consumer broadband connections, data on hotspot users from a variety of government sources, and population forecasts by age segment.
Our new white paper explores urban analytics for digital cities with an estimated more than 50 % of the worlds population now living in cities, many city leaders are turning to «Smart Cities» as the solution for their urbanization challenges.
The Center for Puerto Rican Studies at the City University of New York estimates that Puerto Rico will lose up 470,335 residents by the end of 2019 — about 14 percent of the population.
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