Sentences with phrase «chimpanzee population»

The Dutch photographer and filmmaker Hugo van Lawick was sent to document Jane Goodall's first establishment of contact with the chimpanzee population, resulting in the enormously popular Miss Goodall and the Wild Chimpanzees, the second film ever produced by National Geographic.

Other notable documentary subjects include Jean - Michel Basquiat, who commands the downtown NYC scene of the late»70s and early»80s in Sara Driver's BOOM FOR REAL The Late Teenage Years of Jean - Michel Basquiat; and Jane Goodall, whose original expedition to contact a chimpanzee population is brought back to life via 50 - year - old National Geographic footage in Brett Morgen's Jane.

Hybrids, those with at least five percent of their DNA from more than one common chimpanzee population were rare, with most of the hybrid chimps born in captivity.

«We initiated the Great Ape Aging Project 20 years ago because we saw an ageing chimpanzee population under human care that would need geriatric attention for disorders similar to those affecting ageing humans,» said Dr. Joseph Erwin, research professor of anthropology at the George Washington University.

«We initiated the Great Ape Aging Project 20 years ago because we saw an aging chimpanzee population under human care that would need geriatric attention for disorders similar to those affecting aging humans,» said Joseph Erwin, Ph.D., research professor of anthropology at the George Washington University.

The reasons for these fluctuations in chimpanzee population size long before our own population explosion are still unknown however.

Actions needed to protect the remaining gorilla and chimpanzee populations, and evaluate conservation success, include:

The research presented in this video aims at understanding the cultures of wild chimpanzee populations in several African countries and how they differ from each other.

Time is of the essence given that chimpanzee populations continue to decline.

Not exact matches

«There are many studies in humans, and at least one in chimpanzees, showing that from an immunological perspective, juveniles and children are really important for maintaining diseases in populations through play and things like that,» she said.

Then they compared the Dmanisi population with a range of fossils belonging to ancient African hominins alive at the same time, and used modern humans and chimpanzees as control groups.

«It is difficult to estimate the probability of a rare event using a small population, but given that around 500 chimpanzees have been born in captivity in Japan, the probability of this autosomal trisomy in chimpanzees may be comparable to that of trisomy 21 in humans, which occurs in up to 1 in 600 births,» speculates Hirata.

A population of chimpanzees or humans is always prone to grow exponentially when resources are abundant, but after a few generations even in the best of times it is forced to slow down.

The finding, experts say, has implications for conservation management, which often solely focuses on the number of animals in a population, and may extend to chimpanzees, dolphins, whales, and other species.

Chimpanzees and gorillas (humans» closest primate relatives) are roughly 5 to 10 times as genetically diverse, even though they have much sparser and more localized populations.

Out of 56 chimpanzees, five died: almost 10 per cent of the population.

The last few million years of chimpanzee evolutionary history are fraught with population explosions followed by implosions demonstrating remarkable plasticity.

«Central African governments have demonstrated increased willingness to protect the dwindling populations of gorillas and chimpanzees,» said David Greer, WWF's Great Apes Programme Manager.

The finding was bad enough: During the last two decades, the population of wild chimpanzees and gorillas in the West African nations of Gabon and the Republic of the Congo has declined by more than half.

Humans are all so closely related that our entire population shows less genetic diversity than that of a small group of chimpanzees.

«We do not have at the present time an analysis to tell us what would be an appropriate size of the population of chimpanzees that would need to be kept on hand should the need arise from some sort of new pandemic for their use,» said Collins.

«With more than 600 chimpanzees already available and owned by NIH, it seems as if we have a pretty substantial population to work with.»

Teleki calculates that for every infant that survives a year at the final overseas destination, 10 chimpanzees die in transit or on arrival, or are killed in the wild by poachers — small wonder that conservationists are alarmed at the impact continued commercial exploitation will have on wild populations whose habitats are being progressively destroyed.

After analyzing human DNA from several populations around the world and examining primate genomes dating back to the shared ancestor of both humans and chimpanzees, researchers reached a striking conclusion that several gene variants linked to schizophrenia were actually positively selected and remained largely unchanged over time, suggesting that there was some advantage to having them.

Until recently, there were six known ape Laverania species that exhibited strict host specificity (association with a single host species) in wild populations — three in chimpanzees and three in western gorillas.

He adds, «It's inevitable that there has been some accumulation of deleterious mutations that would have been purged had [humans and chimpanzees] had larger population sizes.»

Since Christophe Boesch began studying wild chimpanzees in the Taï forest in Côte d'Ivoire in 1979, the animals» populations have declined by more than two - thirds.

If you compare any two people from far - flung corners of the globe, their genomes will be much more similar than those of any pair of chimpanzees, gorillas, or other apes from different populations.

Like human culture, chimpanzee cultures likely arise when new behaviors are introduced to a population either through immigration by an outsider into an established group or by invention from within [6]--[9].

While these simian viruses crossed over to human populations almost certainly as a result of humans ingesting chimpanzee flesh, directly transplanting the organs of other species into humans is also vector for viral transmission.

The Gola Rainforest is home to 327 bird species, the elusive pygmy hippo, a population of 300 chimpanzees and 49 species of larger mammal.

F. C. Chen and W. H. Li, «Genomic divergences between humans and other hominoids and the effective population size of the common ancestor of humans and chimpanzees,» American Journal of Human Genetics 68 (2): 444 - 456 (February 2001).

The rescue of Oscar and the filming of Chimpanzee will in turn help the dwindling chimp population through a partnership with the Jane Goodall Institute.