Sentences with phrase «in wild populations as»

Not exact matches

«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.

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.

Another option is to create what's called an immunizing reversal drive in a kind of offense - as - defense move that would overwrite the gene drive and also arm the wild population against it.

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.

A study by a team of archaeologists based at the University of Copenhagen published today in the Royal Society journal Open Science documents that the region now known as the Black Desert in eastern Jordan could sustain a population of wild sheep.

In the field results of a study by Brianna Lam, a graduate student in the J.M.U. Department of Biology, published in the journal Biological Conservation in 2009 (as well results published by Vredenburg and Harris in 2008 in Abstracts of the General Meeting of the American Society for Microbiology), revealed that wild mountain yellow - legged frog populations in the Sierras differed greatly in their amount of cutaneous J. lividuIn the field results of a study by Brianna Lam, a graduate student in the J.M.U. Department of Biology, published in the journal Biological Conservation in 2009 (as well results published by Vredenburg and Harris in 2008 in Abstracts of the General Meeting of the American Society for Microbiology), revealed that wild mountain yellow - legged frog populations in the Sierras differed greatly in their amount of cutaneous J. lividuin the J.M.U. Department of Biology, published in the journal Biological Conservation in 2009 (as well results published by Vredenburg and Harris in 2008 in Abstracts of the General Meeting of the American Society for Microbiology), revealed that wild mountain yellow - legged frog populations in the Sierras differed greatly in their amount of cutaneous J. lividuin the journal Biological Conservation in 2009 (as well results published by Vredenburg and Harris in 2008 in Abstracts of the General Meeting of the American Society for Microbiology), revealed that wild mountain yellow - legged frog populations in the Sierras differed greatly in their amount of cutaneous J. lividuin 2009 (as well results published by Vredenburg and Harris in 2008 in Abstracts of the General Meeting of the American Society for Microbiology), revealed that wild mountain yellow - legged frog populations in the Sierras differed greatly in their amount of cutaneous J. lividuin 2008 in Abstracts of the General Meeting of the American Society for Microbiology), revealed that wild mountain yellow - legged frog populations in the Sierras differed greatly in their amount of cutaneous J. lividuin Abstracts of the General Meeting of the American Society for Microbiology), revealed that wild mountain yellow - legged frog populations in the Sierras differed greatly in their amount of cutaneous J. lividuin the Sierras differed greatly in their amount of cutaneous J. lividuin their amount of cutaneous J. lividum.

The individuals in the wild population today are, on average, as related as siblings, Fredrickson says.

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).

In their paper, they highlighted the need for more monitoring and enforcement, as well as research to better understand the impact of trade on wild plant populations and the actors involved in illegal tradIn their paper, they highlighted the need for more monitoring and enforcement, as well as research to better understand the impact of trade on wild plant populations and the actors involved in illegal tradin illegal trade.

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.»

But by the 1990s, white - tailed deer populations in parks had swelled to such size that many species of native wildflowers such as trillium and lilies largely disappeared, replaced by wild ginger and exotic species such as garlic mustard and Japanese stiltgrass, plants not favored by deer.

This approach is ill suited to horses as the only surviving population of wild horses has experienced a massive demographic decline in the 20th century.

«This particular Wolbachia strain is not spreading into the wild mosquito population as we had hoped,» says lead researcher Scott O'Neill of Monash University in Clayton, Australia.

While populations of wild animals have halved, only about 1 to 2 per cent of species have been lost so far — at least in well - studied groups such as mammals and birds.

Mosquitoes that carry the dengue virus have been engineered to cause crashes in wild populations, and could soon be used in the US as well

In wild populations, TL correlates with life - history traits such as lifespan and survival [9,10].

As of 2005, a cooperative venture between the Zoological Society of London and Mongolian Scientists has resulted in a free - ranging population of 248 animals in the wild.

As global populations of domestic bee pollinators decline, it is of utmost importance for us to understand what factors attract wild pollinators such as hoverflies to flowers, and how these preferences differ in the face of environmental changAs global populations of domestic bee pollinators decline, it is of utmost importance for us to understand what factors attract wild pollinators such as hoverflies to flowers, and how these preferences differ in the face of environmental changas hoverflies to flowers, and how these preferences differ in the face of environmental change.

As their intake of displaced orang - utans increases, and as suitable habitat for reintroductions declines, there have been suggestions that they hybridize Bornean orang - utan subspecies — either in isolated, «mixed» populations, or within existing wild populationAs their intake of displaced orang - utans increases, and as suitable habitat for reintroductions declines, there have been suggestions that they hybridize Bornean orang - utan subspecies — either in isolated, «mixed» populations, or within existing wild populationas suitable habitat for reintroductions declines, there have been suggestions that they hybridize Bornean orang - utan subspecies — either in isolated, «mixed» populations, or within existing wild populations.

Unsustainable hunting for consumption and trade of wild meat (also known as bushmeat) by humans represents a significant extinction threat to wild terrestrial mammal populations, perhaps most notably in parts of Asia, Africa and South America [4 — 6].

As global populations of domestic bee pollinators decline, it is of utmost importance for us to understand the factors that attract wild pollinators such as hoverflies to flowers, and how these preferences differ in the face of environmental changAs global populations of domestic bee pollinators decline, it is of utmost importance for us to understand the factors that attract wild pollinators such as hoverflies to flowers, and how these preferences differ in the face of environmental changas hoverflies to flowers, and how these preferences differ in the face of environmental change.

The present findings are derived from studies using CD4KO mice and thus, raise the question as to whether the CD4 + T cell - independent immune mechanisms in CD4 KO mice differ from those involved in corneal allograft rejection in wild - type mice whose CD4 + T cells population have been depleted with monoclonal antibodies.

They provide control on populations of small mammals and birds, such as beaver, geese and wild turkeys, and can help to provide stability in the composition and numbers of general wildlife populations (Voigt and Berg 1999, Gompper 2002).

The hope is that the method could be used to engineer populations of insects in the wild, with the goal of reducing mosquito - borne diseases such as malaria or dengue fever, or controlling agricultural pests, such as those that transmit citrus greening disease.

The new technology, known as a gene drive, is genetic engineering on an entirely new scale: It makes it possible not just to modify organisms in the laboratory, but to edit the genes of entire populations in the wild.

As a result, understanding changes in population size for social species — several of which, such as African wild dogs and southern resident killer whales, are endangered — requires understanding of what goes on within groups and how individuals fare when they strike out on their owAs a result, understanding changes in population size for social species — several of which, such as African wild dogs and southern resident killer whales, are endangered — requires understanding of what goes on within groups and how individuals fare when they strike out on their owas African wild dogs and southern resident killer whales, are endangered — requires understanding of what goes on within groups and how individuals fare when they strike out on their own.

He was present when the first wolves were released back into the wild in the late 1980s and helped support the wild population as it grew to its peak in the 2000s.

Because gene drives could rapidly propagate novel DNA through an entire population in the wild, they could be used, proponents say, to eradicate marauders such as the cane toads overrunning Australia.

Arizona authorities have long opposed the release of captive wolf families into the wild, even though that is the most reliable means of bringing in more genetically diverse animals to ensure the survival of the wild population; currently, nearly all the wolves are related to each other as if they were siblings.

One involves engineering reproductive isolation (speciation) between populations that can otherwise interbreed, so as to limit gene flow; a second involves creating genetic methods that can, reversibly, drive populations of invasive species and / or vectors of disease to local extinction; a third involves creating genetic methods that can drive — in ways that are easily reversible — the spread of beneficial genes into wild insect populations so as to prevent the spread of vector - borne disease.

In the 19th Century, as American's urban population grew and the demand for wild meat increased, thousands of men became full - time pigeon hunters.

Many remnant populations of animals in the wild and in captive breeding programs are facing what is called an «extinction vortex,» as inbreeding forces them into an accelerating loss - of - fitness spiral.

«Mental illness is still extremely stigmatized,» he says, «thanks in part to television shows that portray this population as dangerous, in need of supervision, and / or wild and irresponsible.

The conservation status of sockeye populations in Canada is under review by Fisheries and Oceans Canada as part of its Wild Salmon Policy strategy to standardize monitoring of wild salmon staWild Salmon Policy strategy to standardize monitoring of wild salmon stawild salmon status.

Rural areas are not the only concern, as rat populations in some inner cities can be far larger than in the wild.

In addition to harboring diseases that affect humans, such as ringworm, distemper, toxoplasmosis, leptospirosis and rabies, infected pets have the potential to transmit diseases into wild populations of animals.

[20] Due to having slow locomotion and an insignificant response to bright lights and humans, as well as having a low population density, field studies allow scientists to study entire populations in the wild.

We have a growing mosquito population in southern California as well as an indigenous wild reservoir for heartworm infection, the coyote.

As the alleged evidence that feral cats are a major threat to wild bird populations evaporates, ailurophobes have amplified claims that free - roaming cats are to blame for outbreaks of the parasitic protozoan infection Toxoplasma gondii that were first found to afflict California sea otters in 2002,» causing about 17 % of identified deaths, and have killed at least eight Hawaiian monk seals in 2015 alone.

The population of heartworms not exposed to the drugs — heartworms living in wild canids such as wolves, foxes and coyotes, and in untreated domestic dogs — helps to dilute the heartworm gene pool, keeping the resistant genes from predominating.

Keeping cats indoors also protects the wild bird population, as it's estimated by Audubon.org that domestic cats kill 1.4 to 3.7 billion birds a year in the U.S. alone.

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.

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

In wild populations such as wolves and coyotes the tip of the tail may also be very dark or even pure black, again a color differentiation that will draw attention.

An affiliated group of management agencies, landowners, academics, and non-profits concerned with the conservation of the island fox has convened since 1999 to exchange information regarding the status and trend of the six island fox subspecies, and to work cooperatively on island fox conservations issues in such areas as captive breeding, wild population management, veterinary issues, and educational / outreach.

But Brice Semmens, an assistant professor in the marine biology research division at the Scripps Institution of Oceanography in La Jolla, said sportfishing generally does not affect populations of wild fish nearly as much as commercial fishing.

Does your dream adventure consist of witnessing the magnificent herds of wildebeest stampeding through the Serengeti, are you in search of rare encounters with Africa's largest elephant population in Chobe, or catching remarkable glimpses of wild gorillas as you trek through their natural habitats in Rwanda?

Build a bustling fantasy population of friends, family and your favourite personalities from TV, movies and sports, as Mii characters come to life with their own voice and personality, all on one wild and hilarious island where there is something new to discover every time you check in.

As I wrote recently, PBS is running «Earth a New Wild,» a engaging series in which the conservation biologist M. Sanjayan reveals opportunities for sustaining biological diversity and dynamics even as human population and consumption pressures risAs I wrote recently, PBS is running «Earth a New Wild,» a engaging series in which the conservation biologist M. Sanjayan reveals opportunities for sustaining biological diversity and dynamics even as human population and consumption pressures risas human population and consumption pressures rise.

All efforts must be made to prevent this pathogen entering the wild amphibian population (eg, via release of infected animals or the discarding of contaminated water or fomites in amphibian habitats such as garden settings).