Sentences with phrase «by large human populations»

There are some places on Earth that should not be inhabited by large human populations.

Not exact matches

Last time I checked the largest population of humans are in Asia and by a large margin.

«Large - scale conservation strategies such as Panthera's Jaguar Corridor Initiative, which are instrumental to protect broadly distributed species such as jaguars, maintain their connectivity, and by doing so to ensure their long - term survival, need to incorporate genetic monitoring of wild populations to fully understand how these species respond to environmental changes and increasing levels of human impacts,» Wultsch said.

Conducting the first large - scale, genome - wide analyses of ancient human remains from the Near East, an international team led by Harvard Medical School has illuminated the genetic identities and population dynamics of the world's first farmers.

While we agree with their findings, we warn that «passive» management, seeking purely to minimize anthropogenic impacts is likely to be insufficient, given the local and large - scale inevitable pressures created by an unabatedly expanding human population.

In large organisms with relatively small population sizes, such as humans, only in the order of 1 % of the genomic information is shaped by the environment via natural selection.

Studying the severe drought in São Paulo, the largest city in South America with a population of about 20 million, a team led by Friederike Otto found that human - induced climate change was not a major influence.

This is particularly true in the case of persistent herpesviruses such as human CMV, which are typified by large virus - specific CD8 + T cell populations during viral latency.

By analyzing genome sequence data from human populations, including 1269 individuals from sub-Saharan Africa, we identify a diverse array of large copy number variants affecting the host invasion receptor genes GYPA and GYPB We find that a nearby association with severe malaria is explained by a complex structural rearrangement involving the loss of GYPB and gain of two GYPB - A hybrid genes, which encode a serologically distinct blood group antigen known as DantBy analyzing genome sequence data from human populations, including 1269 individuals from sub-Saharan Africa, we identify a diverse array of large copy number variants affecting the host invasion receptor genes GYPA and GYPB We find that a nearby association with severe malaria is explained by a complex structural rearrangement involving the loss of GYPB and gain of two GYPB - A hybrid genes, which encode a serologically distinct blood group antigen known as Dantby a complex structural rearrangement involving the loss of GYPB and gain of two GYPB - A hybrid genes, which encode a serologically distinct blood group antigen known as Dantu.

Metagenomics is the study of the sequences of large populations of different organisms all growing in a common environment - as for example seawater, soil, the human gut - and these studies are made vastly easier by next - generation sequencing.

The delicate balance between the human microbiome and the development of psychopathologies is particularly interesting given the ease with which the microbiome can be altered by external factors, such as diet, 23 exposure to antimicrobials24, 25 or disrupted sleep patterns.26 For example, a link between antibiotic exposure and altered brain function is well evidenced by the psychiatric side - effects of antibiotics, which range from anxiety and panic to major depression, psychosis and delirium.1 A recent large population study reported that treatment with a single antibiotic course was associated with an increased risk for depression and anxiety, rising with multiple exposures.27 Bercik et al. 28 showed that oral administration of non-absorbable antimicrobials transiently altered the composition of the gut microbiota in adult mice and increased exploratory behaviour and hippocampal expression of brain - derived neurotrophic factor (BDNF), while intraperitoneal administration had no effect on behaviour.

While it is true that researchers have induced heart disease in some animals by giving them extremely large dosages of oxidized or rancid cholesterol — amounts ten times that found in the ordinary human diet — several population studies squarely contradict the cholesterol - heart disease connection.

«Dawn of the Planet of the Apes «centers on a growing nation of genetically evolved apes led by Caesar is threatened by a group of human survivors following the devastating virus unleashed a decade earlier that killed large part of the human population.

While there is some evidence that intact, large and giant breed dogs may be less prone to a certain few health problems, the general lack of personal responsibility evinced by most humans in this culture make spaying and neutering absolutely necessary for pet population control.

The Banner Saga series is pretty big, but if you are unfamiliar, you take on the role of a leader of a clan of viking - like people in a world where humans and giants (called Varl) have been beset by numerous woes including a sun that has stopped moving and a race of invading humanoid creatures (called Dredge) are driving large populations of folk from their land.

[2011 Paper — Cited by 493 times] Transformational adaptation when incremental adaptations to climate change are insufficient Two conditions set the stage for transformational adaptation to climate change: large vulnerability in certain regions, populations, or resource systems; and severe climate change that overwhelms even robust human use systems.

«If the world we inhabit is bounded and finite, with limited resources, how many more years will pass before the colossal scale and global growth of unrestrained consumption, unchecked absolute human population numbers, and large - scale unbridled economic globalization activities by the human species make the Earth unfit for sustaining human habitation?»

quote: «Despite the 97 % expert consensus on human - caused global warming supported by peer - reviewed research, expert opinion, the IPCC reports, and National Academies of Science and other scientific organizations from around the world, a large segment of the population remains unconvinced on the issue.»

One of the problems with the EPA's Endangerment TSD is the nearly complete disregard of observed trends in a wide array of measures which by and large show that despite decades of increasing anthropogenic greenhouse gas emissions the U.S. population does not seem to have been adversely affected by any vulnerabilities, risks, and impacts that may have arisen (to the extent that any at all have actually occurred as the result of any human - induced climate changes).

«I'd add that «the best we have» is an arbitrary list selected by a self - selected set of judges who are by and large ideologically biased against human industrial and population growth»

By the CIA's count, the human population of the fifth - largest continent swells to over 4,000 in the summer as researchers and support crews launch missions from Antarctic research stations.