Sentences with phrase «with wild populations»

Nevertheless, the study suggests that mosquitoes can be genetically modified to compete in nature with wild populations and spread resistance to the malaria - causing parasite.

Our work shows that farm fish are as potent at the gamete level as wild fish, and if farm escapes can revive their spawning behaviour by a period in the wild, clearly pose a significant threat of hybridisation with wild populations.»

The best of the news items covers the critically endangered Amur leopard (Panthera pardus orientalis), probably the rarest cat species on the planet, with a wild population of approximately 40 to 50 individuals.

The species» early evolutionary origin is good news: it suggests that cacao has had enough time to diversify genetically, with each wild population adapting to its local habitat.

Dr. Rahm has a special interest in reptile medicine and during his senior year in veterinary school was able to participate in externships with two prominent reptile medicine specialists, where he was able to assist in treating various animals such as alligators, sea turtles, Burmese pythons, and snapping turtles, while also taking part in trap / neuter and release efforts with the wild population of iguanas in the Florida Keys.

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.

AquaCo Farms has a grow - out facility designed to be one of the largest, most sought after and credible fish source for Pompano, with zero impact on the wild population.

They were given authority over a fourth of the earth, to kill its population with the sword, famine, and disease, and by the wild animals of the earth.

This wild confusion is present in the minds of a small but financially powerful minority, though a much larger part of the population has a tendency to hold rigid ideas about the kinds of economic institutions in other nations with which we should cooperate.

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.

«It is my desire and my purpose to further the education of the people of Texas and elsewhere in wildlife conservation, in the knowledge of the breeding and living habits of our wild creatures and in the relationship of wildlife to domesticated livestock on our ranches and farms; to afford students and others interested in wildlife betterment and propagation and in the raising of wildlife along with domesticated animals a place for research and an opportunity for the study thereof; and to develop scientifically methods of increasing the wildlife population of the state and nation for the benefit of future generations... who may not have the opportunity to know and appreciate our wildlife, as I have, unless methods of increasing and conserving our wildlife are scientifically developed.

This success is coming against the backdrop of wild and unjustifiable allegations that persons in military uniforms have been going around secondary and primary schools forcefully injecting students with monkey pox vaccines with a view to reducing the population in the South - South and South - East.

Researchers at the University of York mapped population data for 62 wild bee species sprinkled across the United Kingdom along with neonicotinoid treatment in local oilseed rape (Brassica napus) fields over 18 years.

The analysis uncovered major changes in population growth; with the exception of wolves, all species experienced a drop in population growth rates immediately following the collapse, and three species — wild boar, moose, and brown bears — exhibited significant reductions in population growth throughout the decade following the collapse, with declines evident in 85 % or more of the study regions.

«The Eliminate Dengue Program is doing field experiments to see, will we be able to replace wild - type, existing populations of mosquitoes with these Wolbachia - infected ones and does it block dengue transmission?»

African wild dogs are one of the world's most endangered carnivores and their populations are in decline, with estimates suggesting that fewer than 700 packs currently remain in the wild.

In other words, introducing it into a wild population of mosquitoes would achieve the same result as placing a group of brown - eyed humans into a blue - eyed population: gradually, fewer children would be born with the recessive, blue - eyed gene.

What began with one individual has now spread rapidly throughout the population of devils in Tasmania, killing almost all the animals and threatening survival of the species in the wild.

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.

When they mate with wild females not carrying the strain, the offspring will die and the population should dwindle.

It did not begin to seriously discuss the risks associated with using the approach to engineer genes that could quickly spread through wild populations — known as gene drives — until after experiments demonstrating the concept in fruit flies had been published in a peer - reviewed journal (V. M. Gantz & E. Bier Science 348,442 — 444; 2015).

Among the challenges researchers face is ensuring that GM mosquitoes can compete and mate with their wild counterparts so the desired modification is preserved and spread in the wild population.

Replacing ordinary mosquitoes in the wild with genetically modified mosquitoes hasn't yet been attempted, though scientists have been working on «gene drive» techniques that cause DNA modifications to spread quickly into a wild population via ordinary breeding.

Giraffe populations have declined by some 40 percent in the last 30 years, with fewer than 98,000 individuals left in the wild.

A new analysis of 600 fish populations (including the bluegill, pictured), reported online today in Nature, suggests that large guts help fish deal with feast or famine conditions in the wild.

Controlling populations in the wild through genetic manipulation; roundup of daily news with David Grimm.

But others suggest that the health of some of the region's salmon populations — such as bountiful pink salmon off of Oregon and Washington and still thriving Alaskan runs — shows that with proper management we may be able to retain lively populations of both wild salmon and fishers.

The interesting question is why the pigs in central China didn't interbreed with wild boar populations in central China.

«Brownsea's wild red squirrel population has been living with leprosy for at least four decades,» says Angela Cott, National Trust general manager for Brownsea Island.

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.

Salmon farms were already known to weaken wild populations by exposing them to lice infestations, interbreeding with escaped farmed fish, and contaminants such as antibiotics, pesticides, and disinfectants.

«This ongoing study provides us information about these unique birds that was essentially lost when the populations disappeared in the wild and will help us with our ongoing efforts to recover this species.»

South - East Asia's Tonkin snub - nosed monkeys are in bigger trouble than we thought, with low genetic diversity among the largest wild population

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.

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.

It is critically endangered with a population of ~ 100 wild and ~ 10,000 captive individuals in Zhejiang and Anhui Provinces.

Wild bee populations in parts of the United States are declining, largely due to habitat loss in areas with intense farming.

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.

With further experimental analysis, the scientists identified two distinct genetic variants that resulted in these sensitivity differences, suggesting that in crowded places, wild C. elegans populations with a specific genetic variation adopt different behaviors than those who doWith further experimental analysis, the scientists identified two distinct genetic variants that resulted in these sensitivity differences, suggesting that in crowded places, wild C. elegans populations with a specific genetic variation adopt different behaviors than those who dowith a specific genetic variation adopt different behaviors than those who don't.

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.

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.

Neither the selective pressure nor the evolutionary response could have been identified with the methods used by the majority of studies that examine how wild populations respond to environmental changes, which predominantly concentrate on changes in the phenotype.

The Gulf of Maine coastline, historically home to one of the richest shellfish populations in the U.S., is undergoing a dramatic change, with once - flourishing wild blue mussels all but disappearing, according to a study led by University of California, Irvine ecologists.

He was part of a team that found that, in mice with mitochondria from both lab and distantly related wild populations, one mitochondrial lineage tended to dominate.

The major hurdles flagged by WMI are the need for multiple wild populations, hybridization with coyotes, the integrity of the wolf genome, and land ownership patterns in wolf habitat.

He says the findings could be used to track and manage wild wolf populations better, and help mitigate conflict with farmers.

The team also compared the response of flies in cages (which experienced the local temperature and humidity, but not interactions with other species) with the abundance of D. birchii in wild populations at the same sites along mountain gradients (where other species were also present), to test whether interactions among species affect responses to climate change.

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.

If you live in or near a natural area and the seed mix you use is from elsewhere, your «wild» flowers may escape and compete or hybridise with local wild populations.

«Small population sizes and habitat fragmentation are well known threats to animals with limited mobility, but the impacts of these factors are hard to observe in wild populations,» said Forero - Medina, Species and Science Director for WCS's Colombia Program and a study co-author.