Sentences with phrase «from wild populations»

Most prairie dogs sold in the pet market are harvested as babies from wild populations - perhaps this is why so many defy domestication.

«This accomplishment means we can collect and preserve milt (seminal fluid containing sperm) from wild populations without removing hellbenders from their environment.

Most of the Atlantic cod (Gadus morhua) sold in Norway comes from wild populations, but it is possible to produce cod in aquaculture.

«The strengths of our study are that we have confirmed these results in a completely different animal group, and that our data comes from wild populations,» she concludes.

Trade in cactus species occurs at national and international levels and is often illegal, with 86 % of threatened cacti used in horticulture taken from wild populations.

Early herds were vulnerable to disease, droughts and storms, disasters that would have forced pastoralists to replenish herds from wild populations better adapted to harsh local conditions.

WCS investigators and Vietnamese officials who visited 78 farms undercover found that half had taken original breeding stock from wild populations, and 42 per cent were still doing so.

While it's plausible that some of these individuals could be escapees from captive flocks, there is also strong evidence for dispersal from wild populations in Mexico and the Caribbean.

This suggests that restocking from a wild population descendant from the ancient horses occurred during the domestication processes that ultimately led to the modern domesticated horses.

Strigamia maritima adult centipede from a wild population collected from the shoreline at Brora, northern Scotland.

Not exact matches

With today's 18 - to 34 - year - olds coming from the population segment that grew up playing them, we've been able to motivate our younger team members beyond our wildest dreams.

Beginning the hunt in earnest in Tucson, we went to visit the Arizona - Sonora Desert Museum in order to familiarize ourselves with the environment and particular «habits» of the chiltepín (for example, its predilection towards association with hackberry and mesquite bushes) and to sample from the chiltepín population in the Wild Chile Botanical Area, located in Tumacacori Mountaints, right off of I - 17.

Shedd Aquarium, Lincoln Park Zoo, Chicago Zoological Society's Brookfield Zoo and the 226 other member organizations of the Association of Zoos and Aquariums (AZA), have launched a new effort focused on saving the world's most vulnerable species from extinction and restoring them to healthy populations in the wild.

After getting pushback from lawmakers and thousands of residents, state environmental officials are considering major changes to a management plan that called for the eradication of New York's wild mute swan population by 2025.

A team of researchers from several Portuguese centres and the Autonomous University of Barcelona (UAB) has analysed the presence of mercury, cadmium and lead in the blood of the 121 Griffon vultures (Gyps fulvus) in Portugal and Catalonia, and compared the concentration between populations of wild Griffon vultures and the individuals that were admitted, in a weak state — due to malnutrition — and wounded, into rehabilitation centres.

The population of wild birds is subject to the dangers resulting from the presence of toxic elements in the environment.

Using annual population estimates from the Russian Federal Agency of Game Mammal Monitoring database, researchers analyzed trends of eight large mammals — roe deer, red deer, reindeer, moose, wild boar, brown bears, lynx, and gray wolves — in Russia from 1981 to 2010, a time period that includes the 1991 collapse of the Soviet Union.

NEW DELHI — Hot on the heels of a study that used feces to track penguin populations from space (ScienceNOW, 6 June), researchers in India are reporting that DNA from tiger poop can help them estimate the cat's numbers in the wild.

RETURN TO THE WILD The Przewalski's horses of Central Asia, long thought to be the last always wild equine, are actually a feral population descended from horses tamed long ago, DNA reveWILD The Przewalski's horses of Central Asia, long thought to be the last always wild equine, are actually a feral population descended from horses tamed long ago, DNA revewild equine, are actually a feral population descended from horses tamed long ago, DNA reveals.

In the next stage of the project we planned to broaden our interests and include markers that were able to distinguish whether a live animal had been taken from the wild or from a captive - bred population, so we were also looking for population, family, and paternity type markers as well.

But if you look at distemper — canine distemper and feline distemper had been decimating lion populations for years and years and years, and it's from domestic animals infecting wild populations.

Indeed, one influential proponent of the policy, Soviet - trained missile scientist Song Jian, applied theoretical methods borrowed from European mathematicians to generate wild population growth projections for China that helped sway leaders to adopt the birth limit.

«On the basis of morphological and metrical analysis of the faunal remains from Natufian and Pre-Pottery Neolithic A hunter - gatherer deposits, we can document that wild sheep would have inhabited the local environment year - round and formed an important resource for the human population to target for food.

Partners working to save black - footed ferrets from extinction, and recover a healthy population back to the wild include Lincoln Park Zoo, The Smithsonian Conservation Biology Institute (SCBI), U.S. Fish and Wildlife Service, Louisville Zoological Garden, Cheyenne Mountain Zoo, Phoenix Zoo and Toronto Zoo.

Yes, what is also interesting is that they're also, all of the common house cats are descended from one population of wild cats.

There are a lot of different wild cat populations, but all of the domesticated cats we see today came from one kind of wild cat that just was found in the Fertile Crescent; which tells us something very significant about the fact about how much the spread of the cats thereafter came along with the sort of the rise and the extent and spread of civilization.

NCCs spread through the embryo as it develops, and directly or indirectly affect a range of other functions, from the adrenal gland, which controls the fear response, to pigmentation, which can differ between domesticated and wild populations.

Although researchers traditionally used archaeological evidence to determine when our species domesticated another, DNA can also show when a population went from wild to mild.

The research team compared these sounds against the largest available database of orangutan calls collected from over 12,000 hours of observations of more than 120 orangutans from 15 wild and captive populations.

Hammerhead sharks, which have recently received new protections from the UN Convention on the Conservation of Migratory Species of Wild Animals, are experiencing drastic population declines in excess of 90 % in several parts of world.

Surveys indicate that Russia's wild tiger population has increased from 40 in the 1940s to 540 today.

All of the New Guinea domestic pigs and those of the islands in the tropical Pacific Ocean carry DNA from those southeast Asian wild boar populations.

But Europe's modern pigs are mongrel mixes derived from multiple wild boar populations.

To test whether a partial loss of plant - derived dietary fiber would result in a partial loss of native gut microbes, the authors also collected fecal samples from a semi-captive population of red - shanked doucs who lived in a sanctuary and received about half of the normal variety of plants eaten by wild doucs.

This population was distinct from the only surviving wild horse population, that of the Przewalski's horses.

A new study led by the Centre for GeoGenetics at the University of Copenhagen, in collaboration with scientists from 11 international universities, reports that a significant part of the genetic variation in modern domesticated horses could be attributed to interbreeding with the descendants of a now extinct population of wild horses.

The team collected and sequenced DNA from 14 wild rabbit populations and from six domestic breeds.

Wild bonobo populations are entirely contained in that river system, separated from two nearby subspecies of chimps, the eastern and central subspecies.

This means the Nottingham group can transfer these tiny bits of genetic information from the wild relatives into wheat on a large scale creating a step change in the search for new varieties of wheat that will cope with disease and climate change and help feed a growing population.

Making use of the DNA in blood samples collected from wild macaws, the team found that over time the Pantanal group has divided into two genetically different populations, whereas the north and northeast groups have fused into one.

The site was of particular interest to population geneticist Andrea Manica of the University of Cambridge in the United Kingdom because the skeletons of five humans were found with pottery, harpoons, and the remnants of nets and mats woven from twisted blades of wild sedge grass — which some (but not all) researchers consider a rudimentary form of early agriculture.

Michaela Hau, an evolutionary physiologist at the Max Planck Institute for Ornithology in Germany, says that the new study is «immensely valuable» because it was carried out with a large number of baboons who lived in the wild rather than a captive population, which might be suffering from different kinds of stresses due to captivity, social isolation, or variable food quality.

«These associations support the hypothesis that Nosema escaped into wild populations from heavily infected commercial colonies, at least during the earlier years of bumble bee domestication in the U.S.,» she said.

In making its decision, the agency looked to the requirements of the Marine Mammal Protection Act (MMPA), which does not allow the removal of marine mammals from the wild if doing so contributes to a population's decline.

To try to tease out the relationship between social rank, stress, and health, Altmann teamed up with Elizabeth Archie, a behavioral ecologist at the University of Notre Dame in South Bend, Indiana, and Susan Alberts, a behavioral ecologist at Duke University in Durham, North Carolina, to analyze data collected from 1982 through 2009 in the Amboseli region of Kenya, home to a large population of wild baboons.

Unlike ferrets and condors, whose entire populations were gathered up for breeding, Taylor is adamant that vaquitas will never face complete removal from the wild.

Behra points to a project to collect crocodile eggs from northwestern Madagascar that has increased the wild crocodile population and put money into the pockets of local people.

Surely, these couldn't be fathers from outside of our wild radish populations — hundreds of meters away?

«These chemicals do have serious implications for wild bee populations in agricultural landscapes but some, notably from the agrochemical industry, still promote their use,» Dr Whitehorn warns.

But scientists from the University of Arizona and the University of California, Berkeley, are showing that in chaparral, California's iconic shrubland ecosystem, management can devastate wild bird populations and that fire - risk reduction is only temporary.