Sentences with phrase «survival than populations»

Not exact matches

The sum total of a population's traits need to allow for more survival than near compet.itors, that's it.

Therefore, the restriction of white women only makes the input population closer to that of the MANA data, even though it is not exactly the same, i.e. the survival for a group that is 92 % low risk is going to look more like the survival for a group that is 100 % low risk than for a group that is 50 - 75 % low risk.

«This greater than expected survival in older patients selected for operative therapy is noteworthy,» said Dr. Fernandez, «especially considering that the prevalence of lung cancer is expected to increase as the population continues to grow older and more people survive into old age.»

The researchers note «strong indications» that patients» survival after THA is improving, and that patients undergoing THA tend to live longer than a matched general population.

«Our study suggests that the cumulative survival from hatchling to maturity, which may take 30 years, combined with present - day climate effects on mature females, has a greater influence on annual nesting population size than does the exclusive impact of survival during the first year of life as hatchlings,» Saba said.

Survival after THA was longer than expected, compared to people of similar age and sex in the Swedish general population.

Although evidence indicates that bystander CPR and AED use can significantly improve survival and outcomes from cardiac arrest, each year less than 3 percent of the U.S. population receives CPR training, leaving many bystanders unprepared to respond to cardiac arrest.

«Experts we surveyed found that entanglement in plastic and other pollution could pose a long term impact on the survival of some turtle populations and is a greater threat to them than oil spills.

In the total patient population, the 5 - year overall survival rate was 95 %, although it was significantly higher in non-cirrhotic (97 %) than cirrhotic patients (92 %).

In populations exposed to a warning event, survival rates upon a second exposure two hours after the warning are higher than in populations not previously exposed.

Behaviors that evolved as survival mechanisms to ensure that an animal feeds itself become inconvenient and potentially detrimental side effects in industrialized human populations where cardiovascular disease, diabetes, and obesity, rather than starvation, pose greater risks to long - term survival.

For long - lived birds such as Common Terns, adult survival likely drives population trends more than breeding productivity, so identifying causes of mortality is crucial for effective conservation.

Although dacarbazine has been part of the standard of care for metastatic melanoma for more than 30 years, it has never been shown to increase overall survival in this patient population.

He somehow believes the population is suffering from chemical wars or even nuclear attacks, and with his experience and vigilance from the over-a-decade time serving in the army, he has been preparing for an event like this by building a hideout that offers more than basic survival kits and fortification from outside attacks.

This western North Pacific population of gray whales, estimated to include fewer than 100 individuals, remains highly depleted and its continued survival is questionable.

According to a UNEP report, manatees in Belize number fewer than 1000 but the population's birth rate and cub survival rate is moderately stable and analogous to the population of Florida's Crystal River area.

In the distant future, #killallzombies is thrusting civilians into a sport of survival were a ravenous zombie population is unleashed in the name of sports entertainment with television spectators voting upon how many zombies they want to uncage to make survival all the more difficult for you to accomplish — with the potential of a collective horde of more than 1,000 zombies.

The exhibition is inspired by an exchange between a Chinese doctor and a Vietnamese border guard, as described in Charles Mann's 2011 book 1493: Uncovering the New World Columbus Created: Mann frames the importation of the sweet potato as crucial in China's development, and as a notable break for the country from the «Malthusian trap» — the scenario in which technological advances produce only more people, rather than structural solutions for the population's long term survival.

Each year, billions of captive - bred juvenile salmon are released into rivers in North America, Asia and Europe to give a bump wild populations, but their survival is 10 to 20 times lower than that of wild salmon, notes the study.

There are few aspects of our survival more important than an adequate and untainted food supply for our growing population.

Polar bears are one of the most sensitive Arctic marine mammals to climate warming because they spend most of their lives on sea ice.35 Declining sea ice in northern Alaska is associated with smaller bears, probably because of less successful hunting of seals, which are themselves ice - dependent and so are projected to decline with diminishing ice and snow cover.36, 37,38,39 Although bears can give birth to cubs on sea ice, increasing numbers of female bears now come ashore in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.45

Marginalized populations tend to depend more directly on local ecosystems for subsistence and survival, so ecosystem stress is likely to affect them more immediately than others.