Sentences with phrase «viable populations in»
But «the continued deterioration of the Yangtze ecosystem,» he says, «means that the species has no hope of even short - term survival as a viable population in the river if it has not already disappeared.»
https://www.scientificamerican.com/ Not exact matches
Nonetheless, Canada came in third place for the number of researchers in our LinkedIn and conference presenter searches, making it a viable competitor to the U.S., with 1,154 high - level profiles, which is high given Canada's small population and GDP.
Yet in a second, eight - state survey of 36 ginseng populations, the maximum size was 406 individuals — that is, none were viable.
A new University of Washington study finds that urban crops in Seattle could only feed between 1 and 4 percent of the city's population, even if all viable backyard and public green spaces were converted to growing produce.
Furthermore, the researchers suspect that even if habitat destruction were to halt in these areas, the remaining large animal species would have little chance of maintaining viable populations beyond the next few decades.
The bald eagle was nearly extinct in the continental U.S. by the late 20th century, but the population has since stabilized, primarily due to habitat protection and a ban on DDT, an insecticide that weakened the birds» eggs so much that the eagles could not produce viable offspring.
«Today, we have 700 to 750 individuals of the species,» says Martin, «but if action is not taken now, the white - headed duck could soon be outbred by the invading ruddy duck, and wiped out in Spain, the only Western European country with a viable population.»
In those days the pond had a viable frog population.
But with just ten animals in captivity worldwide — three at Cincinnati Zoo, four at the Sumatran Rhino Sanctuary and three in the Tabin reserve — more animals will need to be caught in Sumatra to establish a viable captive population, says Roth.
«In lieu of a practical means of delivering [canine distemper virus] vaccines to wild tigers, the most viable strategy to ensure their conservation is the maintenance of large connected populations within protected areas that buffer the effects of local declines,» Gilbert and colleagues write.
The evidence summarised in the RCP report shows that e-cigarettes have so far been beneficial to UK public health, both at individual and population level, by providing smokers with a viable alternative to tobacco smoking, write the authors.
«If we succeed with our project in introducing a new, viable population of alligator snapping turtles, it's likely that no one will see them,» Phillips said.
◯ All FACS plots in gating scheme (including all controls), leading to final population of viable, CD34 + / CD31 −, CD31 +, and CD45 + cells.
This is at least suggested by the observation that the mesenchymal subpopulation in the HMLE model remains viable upon most chemotherapeutic treatment regimens, under conditions that allowed the effective elimination of the epithelial population [7].
Therefore unique diversity is not evolutionarily significant for discovering the traits that make a passenger pigeon (though they will be important later for developing genetic diversity in a viable population).
The researchers compared their modeling projections with a real - life test case in South Dakota, where a viable cougar population currently lives.
Flow cytometry allows researchers to quantify and isolate rare viable cell subsets from heterogenous populations in single - cell suspensions based on differential expression of surface antigens.
«While existing theories on why there is so much variation in the ability of different human populations to construct viable states are usually formulated verbally, by contrast, the authors» work leads to sharply defined quantitative predictions, which can be tested empirically,» they added.
While the Paleo diet may not be a viable option for the entire human population in our current agricultural system, and is indeed most popular among relatively affluent Westerners, this is not so much a fault of the diet itself but of our current economic paradigm.
Resistance training, increased protein intake, and creatine supplementation in combination with resistance training has shown to be viable interventions for the aging population in the prevention of muscle loss and strength.
You should not be able to culture a significant viable yeast population from a motion you have passed, if you can, it means you have a significant candida overgrowth in your large bowel.
As both a practitioner and researcher, Liz's focus areas in Integrated STEM through engineering include school and / or district transformation; diverse populations and STEM; developing viable models through sustained engagement with administrators and teachers; use of effective, research based tools for STEM implementations and focusing on engineering specifically as an effective tool for integrated instruction.
Students are challenged to grow the mountains to their maximum height (corresponding to the maximum change in light level on either side of the chain) while maintaining a viable population of plants on each side.
Forum Brief: Employer - Driven Innovations in CTE: Promise, Practice, & Opportunities for Policy According to projections, in order to stay economically viable, our country will need to dramatically increase the working - age population that earns a high - quality postsecondary credential (degree, certificate, etc.) to meet future workforce needs.
That's a good question, and this article will seek to answer that question and provide some insight into what may become an epidemic in America in the near future — the accelerating population of people over 65, their need for LTC and finding a viable solution to afford the costs and services associated with LTC.
``... the ecological and conservation significance of these kill tallies is difficult to contextualise, because (1) there are no reliable estimates of the total population of birds in Australia; (2) predation may fall disproportionately on some bird species; (3) some bird species may be able to sustain high mortality rates and maintain viable populations but others may not; and (4) as demonstrated here, there is substantial spatial variation in the numbers and proportion of birds killed across Australia.»
From the jungles of Papua New Guinea to the slopes of the Andes, Kris has identified some 100 new mammal species and documented viable populations of animals previously thought to be in major decline or even extinct.
In 1978, through presidential proclamation, President Carter expanded Katmai National Monument by 1.3 million acres to protect «a viable gene pool population of the Alaska brown bear... headwaters of the drainages which provide the spawning grounds for red salmon... and the unique subsistence culture of the local residents.
Jimmy Carter In 1978, through presidential proclamation, President Carter expanded Katmai National Monument by 1.3 million acres to protect «a viable gene pool population of the Alaska brown bear... headwaters of the drainages which provide the spawning grounds for red salmon... and the unique subsistence culture of the local residents.
UC Davis doctoral student Taylor Chapple notes,» [T] his estimate only represents a single point in time; further research will tell us if this number represents a healthy, viable population, or one critically in danger of collapse, or something in - between.»
And even in your more optimistic scenario (which I largely do share) only smaller population appears viable if its to be at a reasonable standard of living.
The important question is: How many of additional species living lonely lives in their isolated patches (the 5 %) would become extinct eventually because their population sizes are too small to be viable?
It is believed to be extinct in the wild with no known viable populations remaining in their natural habitat.
Therefore unique diversity is not evolutionarily significant for discovering the traits that make a passenger pigeon (though they will be important later for developing genetic diversity in a viable population).
Survival for such species will depend on whether or not viable population sizes will remain in areas where climate does not change unsuitably, and on the potential of surviving individuals to disperse from climatically unsuitable areas into regions with favorable climate.
With student populations diverse in backgrounds, experiences and perspectives, involvement in any extracurricular activity will require you to develop autonomy and confidence while also learning to problem solve and collaborate — skills employers look for in viable new hires today.
• Initiated the concept of outreach programs, resulting in a viable data bank of eligible student population that fits financial aid criteria Developed working comprehension of student financial aid programs Maintained financial aid archives Conducted verification of student and parent application data in compliance with federal criteria • Followed up on applications to determine their status and provide feedback to applicants • Created a special quota for students with special needs and provide them with assistance in gaining financial aid • Monitored academic progress of students eligible to receive financial aid
The inquiry noted that Indigenous people make up a high proportion of the population in regional and remote districts with around 1,200 discrete Indig enous communities of which over 1,000 were very small and very isolated communities.61 Limited commercial opportunities and viable labour markets in these communities means that they often lack some of the most basic services, including access to banking and financial services and institutions.
In addition setting a maximum number of members of any board based on a proportional ratio to the local population would assure a financial viable business model for practitioners....
«Hantz Farms will transform this area into a viable, beautiful and sustainable area that will serve the community, increase the tax base, create jobs and greatly improve the quality of life in an area that has experienced a severe decline in population.»
When those charges were finally dropped in late 2017, DeCaprio and his colleagues interpreted it as a confirmation that adverse - possession claims might be a viable strategy for housing for at least some of the Bay Area's burgeoning homeless population.»