Sentences with phrase «after studying the population»

After studying population changes in 154 species of fish worldwide over 60 years, Pinsky was surprised to see marine equivalents of rabbits and mice collapsing to low levels — still shy of extinction but serious enough to disrupt ocean food chains or fishing - based societies.

Not exact matches

The study notes that a 99 % population increase since 1950 combined with a 127 % increase in water use has further decreased water availability, making it increasingly difficult to replenish water supplies after a drought.
After all, almost half of the American population visit Facebook for news and information, according to a Pew Research Center study.
(Washington, D.C.: Committee on Education and the Workforce, February, 13, 2002), http://archives.republicans.edlabor.house.gov/archive/hearings/107th/eer/enronthree21302/kruse.htm Another study comparing a matched sample of ESOP versus non-ESOP firms in with similar industries and workforce sizes among closely held companies, again, using population data on all available US DOL data followed the ESOP firms before and after their adoption of the ESOP from 1988 to 1998 along with the matched firms and found that 20 % of the ESOP firms had a defined benefit plan before adopting their ESOP, and 10 years later, after adopting their ESOP, they had defined benefit plans five times more than non-ESOP firms), 33.3 % of ESOP firms had a 401 (k) plan before adopting their ESOP with 52.4 % 10 years later (five times more than non-ESOP firms), and 35.7 % of ESOP firms had a deferred profit - sharing plan before adopting their ESOP with 51.2 % 10 years later (five times more than non-ESOP firms).
The article is slightly confusing in that it uses the term «country» in the 6th paragraph to refer to the entire United Kingdom when discussing the Pew study's estimates of the percentage of the population which is Muslim after having previously been discussing only England and Wales in conjunction with the popularity of boy's names.
In addition, the LEAP study design excluded 9.1 % of the infants who were screened (76 of 834) because large wheals (greater than 4 mm in diameter) developed after the skin - prick test21 that were probably associated with peanut allergy; the safety and effectiveness of early peanut consumption in that population remain unknown.
Risk of placenta previa in second birth after first birth cesarean section: A population - based study and meta - analysis.
If the association appears consistently in study after study, population after population: This is the first time that this association has been noted.
If the association appears consistently in study after study, population after population, but is small — in the range of tens of percent — then doubt it.
In many previous U.S. studies, it was not possible to disaggregate planned in - hospital births from planned out - of - hospital births that took place in the hospital after a woman's intrapartum transfer to the hospital.3, 9,10 The latter births represent 16.5 % of planned out - of - hospital births in our population, and misclassification of these births as in - hospital births caused rates of adverse outcomes among planned out - of - hospital births to be underestimated (in some cases, substantially).
Venneman et al 2009 were first to find unqualified proof of this long suspected fact having conducted a populations - based study of 333 infants who died of SIDS between 1998 and 2001 matched in age to 998 «control infants» born 4 to 6 weeks after the case infants.
We performed a population - based, retrospective cohort study of all births that occurred in Oregon during 2012 and 2013 using data from newly revised Oregon birth certificates that allowed for the disaggregation of hospital births into the categories of planned in - hospital births and planned out - of - hospital births that took place in the hospital after a woman's intrapartum transfer to the hospital.
In a large population - based study in the UK, women identified as having «marked concern» about body shape and weight on a questionnaire were significantly less likely to intend to breastfeed their infant up to four months after adjusting for a range of variables [34].
A series of randomized control trials of a nurse home visitation program show a range of positive effects on maternal health, including decreases in prenatal cigarette smoking, fewer hypertensive disorders in pregnancy, and fewer closely spaced subsequent pregnancies., A randomized control study of another program that works with a particularly high - risk population found that participant mothers showed significantly lower depressive symptoms than those in the control group and were less likely to report feeling stressed a year after participation.
However, in malnourished populations motor development may be a useful predictor of subsequent human function.5 A study conducted in Denmark6 found a positive relationship between breastfeeding duration and an earlier ability to crawl and perform the «pincer grip» after adjusting for potential confounding variables.
In this study of a population of relatively high socioeconomic status, we found a positive association between duration of breast feeding and mental development, even after adjusting for maternal age, maternal education, maternal intelligence (Raven score), and smoking at the time of conception.
The species was assessed as critically endangered by the International Union for Conservation of Nature (IUCN) in 2009 after more than two decades of population studies indicated that its numbers had plummeted by more than 99 percent over three generations.
Many studies in this population indicated that food intake couldn't explain why some women tended to gain weight after menopause more than others.
The study, led by Dr Allan Debelle and Dr Rhonda Snook in the University's Department of Animal and Plant Sciences, looked at the mating patterns of fruit flies after they evolved for 100 generations in either polyandrous populations (where several males have to compete for a single female) and monogamous populations (where each male has access to only one female).
After identifying the sex of 474 crocs from seven sites, they discovered that the population was even more male biased than the previous study had indicated, with about 3.5 males for every female.
Krupke agrees, saying this innate adaptability might explain why the European study showed German bee populations surged after exposure to the toxic chemicals.
After nearly two decades of studying the rise of cooperation in populations, Nowak sees the entire world through the prism of the prisoner's dilemma: He is always looking at the tension between cooperation and defection.
They're empathetic, brainy and able to grieve — and Cynthia Moss should know, after 40 years studying one population of elephants
Lee cited a study of Washington State incarcerated addicts that found they have much higher chance of dying of drug overdose, trauma, violent death, or even suicide in the two weeks after leaving jail than the rest of the population.
In their study, the Rutgers researchers compared the performance of populations of resident and invading species before and after they interacted, and potentially evolved, for about 200 to 400 generations.
«The cicadas are probably affecting the bird populations in some way — after all, many bird populations use the cicadas as food during emergence years — but I do not think that the patterns in this study prove that the cicadas are inducing delayed bird - population changes that occur 13 or 17 years after emergence,» Marshall concludes.
It's currently a challenge to do this kind of microbial redesign — antibiotics reduce microbial burden but fail to induce major changes in bacterial composition, and from fecal transplant studies in the gut we know that bacterial populations return to a baseline population even after a major shift — so more work is needed to attempt a durable change in the vaginal microbiome.
After studying mitochondrial data from people in India and neighboring regions, Petraglia and archaeologist Ravi Korisettar of Karnatak University in Dharwad, India, and their collaborators refined the timing of this population boom to between 35,000 and 28,000 years ago.
The researchers analysed data from a large Norwegian population - based pregnancy cohort study called MoBa, which involves a range of data collected from mothers and children during and after pregnancy.
The results held up after the researchers took into account other differences in the study population, including employment status, whether they were married, race, education and age.
Predictive models suggest the ongoing Zika epidemic may run out of steam after two or three more seasons, but these models do not consider how urban slums and their highly mobile populations affect the disease's dynamics, according to the study.
The study introduced here focused on a population of support cells in the spinal cord that helps to protect surviving nerve cells (neurons) after injury: oligodendrocytes and their precursor cells.
«And this study adds emphasis to the idea that patients are susceptible to a wide range of conditions after a hospitalization — they are a highly vulnerable population and we need to focus intently on making the immediate post-discharge period safer.»
A new study suggests that an aggressive reef competitor — the Threespot Damselfish — may have impeded the recovery of Caribbean long - spined sea urchin populations after a mysterious disease outbreak caused a massive die - off of these animals over three decades ago.
In the following 6.3 years after the data was collected there were 8598 deaths with the sample population being studied: 1654 from cardiovascular disease and 4850 from cancer.
«Uncovering why psoriasis recurs: Study identifies population of resident T cells that may initiate psoriasis and allow skin lesions to recur after therapy ends.»
The study also indicates that the current practice of surveillance after arrival is marginally effective, and unnecessary for some immigrant populations.
Studying those mutations in 1,056 individuals clustered in 52 population groups around the world allowed researchers to plot successive waves of migration to Europe, Asia, and the Americas after those first hunter - gatherers left Africa.
Careful evaluation of these drugs is undertaken before and after regulatory approval, they explain, and that post surveillance after a drug is licensed can include safety of a medication in the general population, which unlike study populations, includes people with varied medical conditions.
Of the study population, 89/90 achieved a sustained virologic response 12 weeks after treatment (SVR12); one treatment - naïve genotype 1 patient with cirrhosis relapsed.
Studies later found deformed sex organs in the offspring of the remaining gator population, even after tests showed the water in the lake to be apparently clean.
For the first time, a large population study has quantified the chance of pregnancy after treatment for cancer diagnosed in girls and women aged 39 or under.
For this population - based research, investigators pooled data from large cohort studies conducted in Asia and included demographic and risk factor information collected in seven Asian regions from the early 1960s through the late 1990s (although most of the studies enrolled participants after the mid-1980s).
In the 1990s, after two genes for familial breast cancer were identified, Dunston secured a NIH fellowship to study the alleles of breast cancer genes in the African American population.
But the new study notes that krill populations remained constant or even declined after great whales experienced big declines.
Hormone replacement therapy (HRT) taken regularly for six months after a knee or hip replacement seems to cut the risk of repeat surgery by around 40 %, indicates a large population based study published online in the Annals of the Rheumatic Diseases.
Six months after the World Health Organization (WHO) was notified of the Ebola outbreak in West Africa, its experts have released a new study warning that the situation is quickly growing worse and that Ebola may even «become endemic among the human population of West Africa, a prospect that has never previously been contemplated.»
The study found a significant and long - lasting reduction in the incidence of STEMI hospitalisations in the overall population of Canton Ticino after the smoking ban was implemented.
Studies of infertility have tended to recruit research participants from medical settings such as general practice, so our population - based survey sample provides a rare insight into those people who, despite having failed to get pregnant after a year of trying, did not seek help from health services.
In the new study, researchers first looked at long - term butterfly monitoring data from 129 sites in the southern United Kingdom and identified six drought - sensitive species that experienced widespread population collapses after 1995.
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