Sentences with phrase «by changes in population»

Hertel and doctoral student Uris Baldos developed a combination of economic models — one that captures the main drivers of crop supply and demand and another that assesses food security based on caloric consumption — to predict how global food security from 2006 to 2050 could be affected by changes in population, income, bioenergy, agricultural productivity and climate.

Not exact matches

We calculated the lifetime odds of death by applying 2014 life expectancy and population numbers in the US, and our analysis assumes each cause of death won't change drastically in the near future.
In a country where more than 230 people have been killed by terrorist attacks since January 2015 and unemployment still stands at 10 % nine years after the financial crisis, a growing part of the population is ready for a radical change.
Watch the generations fly by in this animation showing the changing age composition of the U.S. population.
Part of the change is shaped by Tacoma's growing population in the region, and a desire by Simon to maintain the mall's relevance, the documents submitted to the city say.
While the assumptions about the future unemployment rate may be affected by policy, the fact is that slower U.S. population growth, coupled with an aging population, place substantial limits on labor force growth, which will leave U.S. GDP growth almost entirely dependent on changes in productivity.
By using the known rates of increase in the money supply and the population and a «guesstimate» of the rate of increase in labour productivity we can arrive at a theoretical rate of change for the purchasing power of money.
Major transfers to persons increased by $ 2.7 billion (5.9 %), due to growth in the elderly population and increases in benefits which are indexed to quarterly changes in the Consumer Price Index.
(1) employment growth, sourced from the Bureau of Labor Statistics Economic Summaries in August 2016, with the percentage representing the employment change from June 2015 to June 2016 in each city; (2) population growth, based on and sourced from the 2014 and 2015 Census, with the percentage representing the change in population from 2014 to 2015; (3) increase in home values, based on Zillow Home Value, with the percentage representing the change in median home values for single - family homes from June 2015 to June 2016, sourced August 2016; (4) years to pay off property, which was based using the median home value for July 2016 and the median rent for a single - family residence for July 2016, both sourced from Zillow; median rent was multiplied by 12 to obtain yearly rent and then home value was divided by yearly rent to determine how many years it would take for the home to be paid off from rental income using current home values and rent prices for each city.
The fall in the number of births to immigrant women is explained by behavior (falling birth rates), rather than population composition (change in the number of women of childbearing age), according to a Pew Research analysis.
That now two - thousand years later Islam may pa - ss Christianity by pure population growth over conversions based on a change in belief is not a comparison.
By extension, if we were to take changes in church population as indicating in any significant degree how people react to liberal tendencies in the oldline churches and the ecumenical movement, we might find ourselves trapped into concluding (mirabile dictu!)
Plato's account of the slavish / tyrannical soul - type cultivated in the population by a tyrant would suggest that a darker vision of human failure than Hobbes» nightmare is possible: perpetual tyranny, with only dynasty changes possible for a population utterly debased in soul.
By presenting certain data only in aggregate form, AAFRC's reports do not take into account significant changes in population and individual taxes.
By taking into consideration taxes and population changes we can calculate from AAFRC data that Americans gave 1.35 percent of income to religion in 1968, and 1.25 percent in 1995 — a decline of 8 percent between 1968 and 1995.
your video (apparently done by some high school kid) is self refuting, it's premise is that — mutations exist in a population, — drastic environmental change dramatically favors one set of mutations — this natural selection is then what results in «rapid change»
The proportion of congregations in the 1960s and 1970s that actually responded as prescribed to their contexts was in fact very small.21 As neighborhood populations changed racially, some churches whose physical and financial resources lingered after their former membership fled introduced service programs to assist the poor, but the adjustment seems in most cases to have stemmed from necessity or default rather than from deliberate reorientation and restructuring by members who themselves stayed on to be transformed.
If an individual acquires a character during its lifetime, that does not increase the probability that its offspring will exhibit the character; but if the development of some members of a population are affected by the environment in ways which improve their chance of leaving offspring, this will obviously increase their contribution to later generations, that is to say, their natural selective value; and the frequency of that character in later generations will be increased, not by any physiological or genetical change, but by the operation of selection.
Say we have a population of animals which has to meet some new challenge offered to it by an altered environment; there may be some individuals in the population whose development is changed by the environment in a way which makes them better able to deal with the challenge — they show a capacity for adaptive modification.
A recent study from researchers at Oxford University published in the medical journal The Lancet looked at how changing weather patterns will affect the planet's ability to grow enough food to adequately feed the global population, and the results are terrifying: They predicted that because of large scale agricultural changes, 247,970 could die in China alone by the year 2050.
«Evolution is any change across successive generations in the heritable characteristics of biological populations» so, what you have to say is «Evolution by an entirely random process with out supernatural intervention» and, unfortunately that doenst really say anything yet..
You see evolution is defined as «change in the gene pool of a population from generation to generation by such processes as mutation, natural selection, and genetic drift.»
The notion that purely random mutation preserved in the population by natural selection would produce a gradual change, which over time would create the complexity of life we now observe (phyletic gradualism).
A 2014 study by population change think tank International Longevity Centre estimates 1.5 million men will be living alone in England and Wales by 2030.
In recognition of the urgent challenges posed by climate change and population growth, the two organizations are now planning a merger that will enable us to scale up critical sustainability interventions in the global agricultural supply chaiIn recognition of the urgent challenges posed by climate change and population growth, the two organizations are now planning a merger that will enable us to scale up critical sustainability interventions in the global agricultural supply chaiin the global agricultural supply chain.
Since 2008, IRRI through its Hybrid Rice Development Consortium (HRDC) has been promoting hybrid rice research and providing access to new germplasm with the goal of filling in yield gaps that have been compounded by climate change, and have made rice - consuming populations increasingly vulnerable.
The retail sector in the Middle East is evolving fast, not least due to its overwhelmingly young population, and retailers face a major challenge in responding to the changing needs of consumers for fresh - cut and convenience products, for local produce, for organics, for online delivery options and for international brands, with many retailers taking on more control of the supply chain by importing direct from the source.
By monitoring amphibian populations in the Chicago region, we will be able to detect population changes before it is too late as well as assess the effects of management regimes on amphibians.
The increased socioeconomic inequalities in breastfeeding observed in the intervention group supports the argument that population intervention strategies could inadvertently exacerbate, rather than mitigate, socioeconomic inequalities, particularly when the intervention aims to change individual behaviours rather than targeting «upstream» structural changes.25 Our results are also compatible with an observational study from Brazil reporting that breastfeeding rates increased first among the socioeconomically better - off, followed by increases among the poor, over a 20 - year period of active breastfeeding promotion campaigns in Brazil.26
• Assumptions about different cultural groups and how they impact breastfeeding support • Shoshone and Arapaho tribal breastfeeding traditions shared through oral folklore • Barriers to decreasing health disparities in infant mortality for African Americans • Effects of inflammation and trauma on health disparities that result in higher rates of infant mortality among minority populations • Barriers to breastfeeding experienced by Black mothers and how lactation consultants can support them more effectively • Social support and breastfeeding self - efficacy among Black mothers • Decreasing pregnancy, birth, and lactation health disparities in the urban core • Positive changes in breastfeeding rates within the African American community • Grassroots breastfeeding organizations serving African American mothers
As part of the Microbial Ecology Lab, he will help survey the many distinct habitats of Shedd's animal populations, analyzing how unseen members of complex ecosystems are impacted by changes in the environment, advancing the understanding of how these tiny microbes affect animal health.
With boundaries due to be shifted every five years in line with population change, these cases, by no means unusual, will become frequent all over the UK.
A key requirement of democracy is equal protection of all stakeholders - i.e., if at some point there is a completely fair vote of 2/3 population preferring the choices advocated and implemented by party A; and 1/3 preferring the choices of party B - then a system must ensure that the minority gets adequate protections and fair treatment; so that while at this moment country gets steered to choice A, the minority doesn't get punished in any way for saying that in their opinion choice B might be best; and if some of the original voters change their mind, the choice B can still be known even if the governing clique that was elected on the idea of A wants to continue with A forever.
Under the changes — demanded by Cuomo in the wake of the arrest of former Assembly Speaker Sheldon Silver — groups spending more than $ 5,000 lobbying municipalities with populations of more than 5,000 will have to register that activity; the previous cutoff had been populations of 50,000 or more.
Democratic strategist Jim Manley, a former spokesman Senate Democratic Leader Harry ReidHarry Mason ReidMcConnell not yet ready to change rules for Trump nominees The Hill's Morning Report — Sponsored by CVS Health — Trump's love - hate relationship with the Senate Trump to press GOP on changing Senate rules MORE (Nev.), said he believes Clinton will ultimately eke out a victory in Nevada because the state is «tailor - made for her» with its large population of minority voters.
But the state's political districts must be redrawn this year to reflect population changes identified in the 2010 census, and a proposal under consideration by the Legislature would put Mr. Grisanti in an all - Erie County district.
An interesting stat from 2004, in a report by National Transfer Accounts, which studies populations and economic change and is based at Berkley University in California, said that Nigerians spent more than they earned until they were 32.
The debate comes in the middle of Energy Saving Week, a campaign run by the Energy Saving Trust aimed at reducing the population's carbon footprint through simple changes in the home.
Barring a change in trends, this will be the city's seventh consecutive decade of population loss; it will have less than twice Amherst's population by 2018.
As well as recording population sizes, we discovered that although Diana monkeys change their behaviour in areas where poaching takes place, western red colobus monkeys have not developed an efficient antipoaching strategy and are particularly badly affected by poaching.
A provocative study published in Science in April 2010 suggests that a change in the bacterial population of the gut contributes to the risk of metabolic syndrome, which is characterized by elevated weight, blood pressure, blood sugar, and blood fat.
The findings show that rate changes were not explained by shifts in the population age, community size or income structures.
Deadly climate change could threaten most of the world's human population by the end of this century without efforts well beyond those captured in the Paris Agreement.
Assuming a world that is slow to adapt to climate change and focused on regional self - reliance, the researchers found that children in the developing world — which are the countries expected to provide the bulk of population growth to nine billion or more by mid-century — will be hardest hit.
In northwest Africa, where what Werz has called an «arc of tension» runs through Nigeria, Niger, Algeria and Morocco, he said the projected massive population growth combined with small - onset changes brought about by climate change — like sea - level rise along the Niger Delta, the loss of hundreds of villages through desertification and the virtual disappearance of Lake Chad — is bad enough.
In a world where more than one billion people do not have enough to eat, and our future food security is threatened by climate change and an ever - growing population, it is essential to improve the control of crop diseases like fusarium ear blight around the globe.
Until now, changes in the relative proportion of rare mutations, that could be both detrimental and adaptive, had only been shown over relatively long timescales, by comparing African and European populations.
Knowing how to grow plants in environments degraded by climate change will be crucial to feeding an exploding human population.
By cross-referencing these impacts with data on local elephant populations, forest tree - species composition and structure, nutrient availability, and understory growth in existing Central African forests — both protected and unprotected ones alike — Poulsen and his team determined that up to 96 percent of all forests in the region were susceptible to dramatic changes if elephant populations shrank or disappeared.
Some experiments were considered quirky by 19th century standards, but the work provided data supporting Darwin's notions about trait variability in a population and how natural selection drives changes in populations over time.
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