Sentences with phrase «in migration rate»

Inference of historical changes in migration rate from the lengths of migrant tracts Pool, J. E. and R. Nielsen.

Inference of historical changes in migration rate from the lengths of migrant tracts.

Not exact matches

Adjusting for population, rates of net international migration ranged from 0.55 per 1,000 Montana residents in 2015 to 6.14 per 1,000 Washington, DC residents.

With membership renewal rates on the decline, and management expecting this to continue for another six months, «this remains a top focus for investors given concerns about the competitive environment and migration to online shopping,» Jefferies analyst Daniel Binder wrote in a note to clients.

Population growth rates have fallen in Western Australia and across the country as a whole, with WA experiencing a sharp drop in overseas migration and a net loss of people through interstate movements.

Most pressing, perhaps, is the troubling migration of businesses from Toronto to the suburbs in recent years, which, says Miskin, is due primarily to the city's high commercial tax rate, not the relatively insignificant taxes Ford has pledged to abolish.

A junk rating would further discourage investment, job creators and the in - migration of new residents.

Clifford Nass and I have demonstrated a significant negative relation between government expenditures and rates of Protestant church membership in 1950 and 1980, taking states as the unit of analysis.12 This effect appears to hold when other factors influencing church membership, such as religious composition, urbanization, region, and migration, are held constant.

The placenta moves at a different rate according to whether the placenta is in a posterior position (slower rate of migration), compared with an anterior position (faster rate of migration).

He said no fewer than five million people living in the Lake Chad Basin countries had been displaced by the depletion of the lake due to climate change, noting that the shrinkage of Lake Chad, a former island sea, had resulted in increased social conflicts, high rates of migration and cross border movements.

Study after study after study has shown no significant pattern of wealthy people moving from high - tax to low - tax states, and no noticeable change in the net migration rates of high earners between US states in the wake of changes in their relative tax rates.

Any massive, long - term changes in their numbers could alter fish migration patterns, growth rates, and mortality, as well as change the amount of oxygen and carbon dioxide in the atmosphere.

Soliman said the finding that atrial fibrillation was associated only with NSTEMI heart attacks suggests that factors contributing to partial blockage of the coronary arteries or increased oxygen demand, such as sudden increase in heart rate, are more likely to explain the association between a-fib and heart attack than those factors linked to total blockage caused by the migration of a blood clot to a coronary artery from the site of its formation.

We are not opposed to research into assisted migration as a potential, last - ditch response to climate change, particularly if the rate of warming is such that a rapid decline in coral cover occurs.

Survival was as low as 40 per cent for salmon that left the lake in small numbers compared to times of peak migration where survival rates increased to more than 90 per cent.

«The widespread movement of the Ebola virus within Liberia, due to a high rate of migration in the country, is likely to have played an important role in the magnitude and longevity of the Liberian portion of the Ebola outbreak,» Ladner says.

«Migration is reshaping population trends in many European countries, with population growth increasingly driven by migration rather than by fertility rates.

Then, CI and NI act in synergy and reach high critical migration rates up to 17 % for both isolating mechanisms.

In general, Wolbachia infection easily spreads on the island upon secondary contact, and critical migration rates are either zero or close to it [34].

In other words, dominant incompatibilities persist up to higher critical migration rates than codominant and recessive NI.

That migration rate is not fast enough to keep up with the current rate of movement of a given temperature zone, which has reached about 25 miles (40 kilometers) per decade in the period 1975 to 2005, Hanson and co-authors write in the current issue of the journal Proceedings of the National Academy of Sciences.

By affecting the rate of cell differentiation and gene expression, thyroid hormones regulate the growth and migration of neurons, including synaptic development and myelin formation in specific brain regions.

The increase in secondary school pupil numbers is primarily down to the increase in UK birth rate since 2002, although migration has also played a part.

This rate uses an average of three years of enrollment to smooth out the bump in ninth grade enrollment that happens because students are retained, but the rate is sensitive to migration trends — for example, if a state or district had more students move out than in, the rate will be too low.

Changes in test - score performance could be due to broader patterns of economic growth or varying rates of in - migration among states and countries.

In Shanghai, for example — which had the highest mean PISA score of any jurisdiction in mathematics in 2012 — 27 percent of students in the target population of 15 - year - olds did not take the test, due in part to internal migration policies that prevented enrollment; in the United States, that exclusion rate was around 11 percenIn Shanghai, for example — which had the highest mean PISA score of any jurisdiction in mathematics in 2012 — 27 percent of students in the target population of 15 - year - olds did not take the test, due in part to internal migration policies that prevented enrollment; in the United States, that exclusion rate was around 11 percenin mathematics in 2012 — 27 percent of students in the target population of 15 - year - olds did not take the test, due in part to internal migration policies that prevented enrollment; in the United States, that exclusion rate was around 11 percenin 2012 — 27 percent of students in the target population of 15 - year - olds did not take the test, due in part to internal migration policies that prevented enrollment; in the United States, that exclusion rate was around 11 percenin the target population of 15 - year - olds did not take the test, due in part to internal migration policies that prevented enrollment; in the United States, that exclusion rate was around 11 percenin part to internal migration policies that prevented enrollment; in the United States, that exclusion rate was around 11 percenin the United States, that exclusion rate was around 11 percent.

In fact, for the first time, teacher migration rates began to converge in all schools, rich and pooIn fact, for the first time, teacher migration rates began to converge in all schools, rich and pooin all schools, rich and poor.

Though anecdotal reports in California said teachers from disadvantaged schools fled when new positions opened up in other schools when class sizes were reduced, what the follow - up studies show is that after rising temporarily in all schools, teacher migration rates fell dramatically to much lower levels than before, most sharply in schools with large numbers of poor students.

But in this case, the country's migration west followed a rise in oil prices, fuelling a construction boom that helped drive up median incomes and drive down poverty rates.

The higher default risk is the chief reason that speculative - grade bond issuers have to pay higher interest rates that go hand - in - hand with the so - called credit migration risk (or credit rating risk), which is part of the credit risk by extension.

Actually, there are scientists who have presented studies showing that TNR decreases colony size — i.e., showing that in - migration does not make up for the reduced reproductive rate.

In my opinion, continental Europe is at risk to political instability that would result from long - term high rates of unemployment and increased internal migration from poorer to richer regions.

Such an assessment could include the formations» storage capacity, rates of migration and leakage of the gas, and the economic, legal and environmental impacts of storage in both the near - and long - term.

Most countries in South, South East and East Asia are particularly vulnerable to sea level rise due to rapid economic growth and coastward migration of people into urban coastal areas together with high rates of anthropogenic subsidence (for example due to water extraction) in deltas where many of the densely populated areas are located.

The length of the growing season in interior Alaska has increased 45 % over the last century7 and that trend is projected to continue.8 This could improve conditions for agriculture where moisture is adequate, but will reduce water storage and increase the risks of more extensive wildfire and insect outbreaks across much of Alaska.9, 10 Changes in dates of snowmelt and freeze - up would influence seasonal migration of birds and other animals, increase the likelihood and rate of northerly range expansion of native and non-native species, alter the habitats of both ecologically important and endangered species, and affect ocean currents.11

• While the complex biological relationships among fisheries and other aquatic biota and physiological responses to environmental change are not well understood, positive effects such as longer growing seasons, lower natural winter mortality, and faster growth rates in higher latitudes may be offset by negative factors such as a changing climate that alters established reproductive patterns, migration routes, and ecosystem relationships (High Confidence).

The positive effects of climate change — such as longer growing seasons, lower natural winter mortality, and faster growth rates in higher latitudes — may be offset by negative factors such as changes in established reproductive patterns, migration routes, and ecosystem relationships.

Assuming diffusion is the rate limiting step in CO2 migration, the 1 mm per year rate implies a 2 - year averaging every 8 years.

Patterns and rates of plant migration are documented using our macrofossil studies in combination with pollen stratigraphy.

That migration rate is not fast enough to keep up with the current rate of movement of a given temperature zone, which has reached about 25 miles (40 kilometers) per decade in the period 1975 to 2005, Hanson and co-authors write in the current issue of the journal Proceedings of the National Academy of Sciences.

Climate impact concerns include environmental quality (e.g., more ozone, water - logging or salinisation), linkage systems (e.g., threats to water and power supplies), societal infrastructures (e.g., changed energy / water / health requirements, disruptive severe weather events, reductions in resources for other social needs and maintaining sustainable livelihoods, environmental migration (Box 7.2), placing blame for adverse effects, changes in local ecologies that undermine a sense of place), physical infrastructures (e.g., flooding, storm damage, changes in the rate of deterioration of materials, changed requirements for water or energy supply), and economic infrastructures and comparative advantages (e.g., costs and / or risks increased, markets or competitors affected).

Reasons for this can be explained by overall net migration, with the UAE having one of the highest rates in the world; and the growing working age population, counterbalancing the issue many other countries face of an ageing population.

In Japan, the relaxation of their skilled inward migration policies improved labour market participation rates.

The contribution of adversity variables over the life - course in mediating excess risks of common mental disorders and poorer self - rated health at midlife was assessed.31 To assess mediation, three criteria needed to be fulfilled.31 First, the association of parental migration history with putative mediator was assessed using multivariable logistic regression.31 Second, the association of the putative mediator with the outcome variable (poorer self - rated health and common mental disorders at midlife) was assessed using multivariable logistic regression.31 Finally, the association of parental migration history with outcome --(either midlife common mental disorders or poorer self - rated health at midlife) was assessed in the presence of the putative mediator.31 If the coefficient for the association between parental migration history and outcome was reduced in the presence of the putative mediator, then it was presumed that the data were consistent with mediation.31

In a systematic investigation of unaccompanied Vietnamese Americans, McKelvey and Webb (1995) showed that high rates of psychopathology prior to forced migration were significantly exacerbated during stays in a processing centre in the PhilippineIn a systematic investigation of unaccompanied Vietnamese Americans, McKelvey and Webb (1995) showed that high rates of psychopathology prior to forced migration were significantly exacerbated during stays in a processing centre in the Philippinein a processing centre in the Philippinein the Philippines.

Aspects like safety, ownership rights, economic growth, low income tax rates, ease of investment, and wealth migration are mentioned as key factors that encourage growth in a country.

The numbers on Pew's website (based on United Nations Population Division data from 1990 - 2013) don't track annual rates or flows of migration, but the total number of migrants residing in each country.

Broker analysts agreed that factors that negatively impacted tourism and seasonal migration in 2016 like the February stock market slump, a low Canadian exchange rate, Brexit and Zika fears, and the presidential election are behind us now.

«Escalating in - migration inflows coupled with tight land supply and ultra-low interest rates means that this hot real estate market is about to get a lot hotter in the next year or two,» Mr. Rosenberg wrote.

Strong migration and the preferences of Millennial workers, who often prefer to rent rather than buy, has kept Toronto's vacancy rate low, despite a surge in condo supply.