Sentences with phrase «reducing wild populations»

Although trapping is outlawed, loss of habitat and illegal trapping has greatly reduced wild populations of this species.

Not exact matches

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.

In 2016, for example, researchers reported that they had created a CRISPR / Cas9 gene drive that forces a fertility - reducing gene modification into female Anopheles gambiae mosquitoes — which could quickly reduce local Anopheles populations if unleashed in the wild.

It also underscores the potential of this strategy to modify wild mosquito populations and thereby reduce malaria transmission to humans.

Even monarchs that survive to adulthood can still carry and spread infections, placing already reduced populations of wild monarchs at greater risk.»

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.

Humans have been altering animals and plants through selective breeding for millennia; but, because these changes typically reduce the capacity for survival and reproduction in the wild, they do not spread to wild populations.

In the Netherlands, pesticides are finding their way off farms, reducing the wild bug population and starving local songbirds.

All our conservation programs and activities work toward the following goals: Protected high conservation value marine and coastal areas, low - impact sustainable fisheries, reduced negative impacts and risks of shipping, doubling of the wild tiger populations of Nepal, responsible development solutions that conserve wildlife, community - level habitat - friendly renewable energy, land - use management to support a low - carbon economy, and one in 10 Canadians caring for nature.

Free - roaming cats and dogs reduce wild - animal populations, including threatened or endangered species in local areas.

Also, we can help control disease and continued overbreeding of these cats in the wild, and ultimately reduce the number of euthanized cats in animal shelters while stabilizing colony populations.

Project MEOW is an all - volunteer, animal welfare group that helps West Philadelphia residents to humanely reduce their feral and stray cat populations through Trap, Neuter and Return (TNR) of un-owned stray and feral (wild) cats.

«Identifying the threads that connect these parasites from wild and domestic land animals to marine mammals helps us to see ways that those threads might be cut... by, for example, managing feral cat and opossum populations, reducing run - off from urban areas near the coast, monitoring water quality and controlling erosion to prevent parasites from entering the marine food chain.»

The virus was later deliberately introduced to the mainland, where it was partially effective in reducing populations of wild rabbits in the coastal fringe of southern Australia.

However, because 71 percent to 94 percent of a population must be sterilized, with no immigration, to reduce its size — and because people constantly release cats into the wild — managed cat colonies can persist for decades, if not forever.

We suspect at least some of the skepticism is rooted in the concern among groups like Alley Cat Allies that such studies might turn public opinion against their preferred method of reducing the feral - cat population: trap, sterilize and release them back into the wild.

As do a couple of studies which have been carried out on wolves and wild dogs, that showed inbred populations have reduced longevity.

If the crops failed, these communities contained too many people to survive on local foraging or hunting — both because population densities were so high and because the habitat destruction caused by farming had reduced the amount of local wild food.

Rabinowitz makes two points which really make you sit up: 1) conservation groups really need to be held accountable for their efforts at big cat conservation, and 2) even with massively reduced habitat tiger populations could be ten times higher than they are today.Rabinowitz says that the world's 2500 - 3000 wild tigers live on just 5 - 7 % of their former range, but even that small about of remaining habitat «could probably hold up to 30,000 tigers right now at reasonable densities.»

Blooms there have severely reduced fish populations and turned wild streams into sludge pits.

The company behind the technology, British firm Oxitec, explains that sterile males would be released to compete with wild males for female insects, which would then have no offspring and reduce the population of the next generation.