Sentences with phrase «significant changes in population»

• By presenting certain data only in aggregate form, AAFRC's reports do not take into account significant changes in population and individual taxes.
To determine the length of time required for the two states to interconvert we purified populations V+S + and V − S + cells and examined the extent to which the original distribution was re-established and observed significant changes in both populations within 24 h of plating (Figure 7B).
This means that a borrower in any area which has experienced a significant change in population and / or median income between 2000 and 2010 may lose eligibility for the Kentucky Rural Housing or USDA RHS Loan Program.

Not exact matches

Part of this sexual drop off, then, can attributed to changing demographics: Fewer Americans are living with a significant other (in 2014, 59 % of the population was living with a partner versus 66 % in 1986).
The «market» for Christianity in America is undoubtedly changing for a significant part of the population, but there are many more «niches» out there than appear in usual discussions of baby boomers.
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!)
If the Pod Mrcaru and Pod Kopiste populations were in fact, completely genetically identically (i.e. throughout their entire genomes), then there would not be the significant changes in morphology.
With the global population rising continuously, urbanization rapidly reducing land for farming, and climate change threatening stable crop production, a significant improvement in genetic yield potential is one of the most crucial goals in rice research.
We found significant reductions in three maternal conditions (MI, hypertension, and breast cancer) could be achieved with changes in population rates of breastfeeding.
The paper states: «Even though the ambient air in the city of Jena is comparably clean, the significant association between rapid changes in nitrogen oxides and onset of myocardial infarction (MI) suggests that the current EU statutory limits do not sufficiently protect against effects relating to the cardiovascular health of the population.
The analysis uncovered major changes in population growth; with the exception of wolves, all species experienced a drop in population growth rates immediately following the collapse, and three species — wild boar, moose, and brown bears — exhibited significant reductions in population growth throughout the decade following the collapse, with declines evident in 85 % or more of the study regions.
«When a population loses genetic diversity, they lose the ability to adapt to change,» Hundertmark said, adding that although Alaska herds are expected to fair slightly better at least in the near future, they are still facing significant challenges.
The models show that climate change is a less influential driver of global food security than income, population and productivity — but it could still pose a significant risk to the nutrition levels of people living in the world's poorest regions, Baldos said.
Owing to the small number of participants in this subset of the study population, the pregnancy - associated change was not statistically significant.
The researchers found no statistically significant difference between rates of asthma (including childhood - onset asthma), atopic dermatitis, or IgE levels in people with or without any of the four genetic changes associated with lower levels of 25 - hydroxyvitamin D. However, the results do not exclude an association between the outcomes and levels of 1,25 - dihydroxyvitamin D, the active form of the vitamin, and more work will be needed to determine if the results hold true in non-European populations and in people with vitamin D deficiency.
Most indicators of the state of biodiversity (covering species» population trends, extinction risk, habitat extent and condition, and community composition) showed declines, with no significant recent reductions in rate, whereas indicators of pressures on biodiversity (including resource consumption, invasive alien species, nitrogen pollution, overexploitation, and climate change impacts) showed increases.
«These changes have occurred in the context of substantial increases in the proportion of adults reporting no leisure - time physical activity, but in the absence of any significant population - level changes in average daily caloric intake,» explains lead investigator Uri Ladabaum, MD, MS, Associate Professor of Medicine (Gastroenterology and Hepatology), Stanford University School of Medicine.
A new study found surprising evidence that climate change is rapidly causing coastal changes in the Arctic that could have significant impacts on Arctic food webs and animal populations.
Although it was first seen in the 1940s to be the evolutionary glue that held species together, and thus a significant evolutionary force, a few decades later when quantitative data on gene flow in plant populations began being collected, this view changed as evidence seemed to indicate that gene flow was not all that significant.
Both patients and physicians consistently report that improvements in upper extremity motor function are the most desirable functional improvement target in the quadriplegic population, since even relatively modest changes can potentially have a significant impact on functional independence, quality of life and cost of care.
This effect on growth inhibition was not due to alterations in cell cycle (Supplemental Fig. 5) nor a significant increase in the apoptotic cell populations, suggesting that RIPK2 inhibition of proliferation is independent of cell cycle or apoptotic changes.
Pair-wise comparisons (FDR < 0.05, > 1.5-fold expression levels) were performed between the following populations of cells to reveal non-redundant, significant changes in gene expression.
Because of small sample size, the changes in tumor - initiating cell number were not significant (P > 0.05), but these data are supportive of the in vitro findings and suggest that hypoxia may have a positive effect on the tumor - initiating cell population in ER - α — positive breast cancers and a negative effect in ER - α — negative tumors.
No significant differences were seen between the normoxic and hypoxic anoikis - resistant populations collected from MCF7 cells and a single significant gene change (PIP) was seen in T47D (Table 1) suggesting that the CSC - enriched population remains virtually unchanged following hypoxic culture and the increase in MFC, HFC, and tumor initiating cells is, therefore, due to expansion of the population, perhaps by increased symmetric self - renewal of the CSC or de-differentiation of early progenitor cells, rather than simply the acquisition of anoikis resistance in non-CSC.
Significant changes in gene expression between anoikis - resistant and total population cells are shown in Table 1.
Comparison of the total population following hypoxic and normoxic culture showed significant gene changes in both ER - α — positive and negative lines (Table 1).
Probably the most significant change is in the make - up of the teacher population and working conditions in schools.
Growth in a neighborhood's African American population is also significant, which could mean that these neighborhoods are slowly changing.
This is significant when you consider that the change in school - aged population has only increased by 12.8 percent in the entire state in the same number of years.
Over this time, however, significant changes have occurred in the demography of the U.S. student population, in the technology available for research, and in the data available beyond the national surveys.
Like the rest of Saginaw, Arthur Hill High School experienced widening economic inequalities among its student population, as well as significant changes in student demographics.
The population has grown over 22 % since 2000, and a disproportionate amount of that has been in the form of new residents flocking to Colorado due to two significant legal changes in recent years which make the state more attractive for same sex couples and patients with chronic pain and certain other ailments.
There is a growing list of joint and collagen related changes that occur after vaccination and they are implicated in joint disease which has become a significant problem in today's dog population.
Over the past ten years, we have seen significant changes in the pet population at our shelter — changes that require more sophisticated responses to their needs, along with a greater investment of time and resources to rehabilitate pets so they can find new, loving homes.
[1] And the trend couldn't be explained by the population of swallows living nearby (which increased over the study period), traffic volume (which «either did not change significantly or increased, depending on the metric used»), or the number of avian scavengers in the area («as none showed significant increases in our study area»).
Significant changes in sea water temperature like those caused by El Nino events appear to have significant effects on pinniped populations around the ChannSignificant changes in sea water temperature like those caused by El Nino events appear to have significant effects on pinniped populations around the Channsignificant effects on pinniped populations around the Channel Islands.
The challenges that the world faces in the next decades regarding climate change will likely have to be addressed by changing consumption patterns and technological innovations; changes in population size in the most developed countries, with the possible exception of the United States, is a relatively slow process that occurs over many decades and that will unlikely to have a significant impact on how the world resolves the challenges of climate change and resource constraints.
However, without significant changes in water policy, it won't solve the problem of sustaining a growing population in a region that is drying out.
Assertions that human - induced climate change could have played a significant role in shaping what unfolded last week run headlong into the overwhelming reality that the fast growth of southern populations vastly overwhelms any theorized contribution from changing climate conditions, Ashley said:
Anyway, the point I was making seems to have been missed in post # 28, namely (and simply) that significant climate changes can have adverse effects on human populations.
«Some of the world's largest population centers, like India and China, happen to also be places that we see significant changes in terms of the increasing frequencies [of stagnant air days],» Horton said.
Older people are at much higher risk of dying during extreme heat events.136, 50,241,233 Pre-existing health conditions also make older adults susceptible to cardiac and respiratory impacts of air pollution25 and to more severe consequences from infectious diseases; 257 limited mobility among older adults can also increase flood - related health risks.258 Limited resources and an already high burden of chronic health conditions, including heart disease, obesity, and diabetes, will place the poor at higher risk of health impacts from climate change than higher income groups.25, 50 Potential increases in food cost and limited availability of some foods will exacerbate current dietary inequalities and have significant health ramifications for the poorer segments of our population (Ch.
And future SLR is probably not significant in the face of all other change (population, technology, etc.).
Major extreme weather events have in the past led to significant population displacement, and changes in the incidence of extreme events will amplify the challenges and risks of such displacement.
With populations rising, growing cooling needs risk creating a significant increase in energy demand, that if not managed through super-efficient technologies or clean sources, will cause further climate change impacts and a rise in emissions.
«Climate science» as it is used by warmists implies adherence to a set of beliefs: (1) Increasing greenhouse gas concentrations will warm the Earth's surface and atmosphere; (2) Human production of CO2 is producing significant increases in CO2 concentration; (3) The rate of rise of temperature in the 20th and 21st centuries is unprecedented compared to the rates of change of temperature in the previous two millennia and this can only be due to rising greenhouse gas concentrations; (4) The climate of the 19th century was ideal and may be taken as a standard to compare against any current climate; (5) global climate models, while still not perfect, are good enough to indicate that continued use of fossil fuels at projected rates in the 21st century will cause the CO2 concentration to rise to a high level by 2100 (possibly 700 to 900 ppm); (6) The global average temperature under this condition will rise more than 3 °C from the late 19th century ideal; (7) The negative impact on humanity of such a rise will be enormous; (8) The only alternative to such a disaster is to immediately and sharply reduce CO2 emissions (reducing emissions in 2050 by 80 % compared to today's rate) and continue further reductions after 2050; (9) Even with such draconian CO2 reductions, the CO2 concentration is likely to reach at least 450 to 500 ppm by 2100 resulting in significant damage to humanity; (10) Such reductions in CO2 emissions are technically feasible and economically affordable while providing adequate energy to a growing world population that is increasingly industrializing.
Additionally, climatological models, which incorporate CCN generation mechanisms and cloud microphysics, fail to produce significant change in global - scale CCN populations, cloud optical properties, or radiative forcing (Snow - Kropla et al. 2011; Dunne et al. 2012; Kazil et al. 2012).
«This uncertainty must be reflected in micro-scale analyses of local and regional water management issues, particularly in «hot spots» that can now be identified by overlaying significant changes in drought frequencies over geographically explicit distributions of water - sensitive sectors and population centres.»
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