Sentences with phrase «on wild populations»

In the years since the release of Finding Nemo, there have been several attempts to demonstrate a so - called «Nemo effect» on wild populations of clownfish.

Thus, they are relatively inexpensive, hardy, generally free of parasites and put no pressure on wild populations.

«A fully annotated salmon genome will provide important information about the impact of cultured fish escapees on wild populations, about preservation of populations that are at risk, about strategies for fighting pathogens, and about environmental sustainability issues,» says ICSASG chair Dr. Steinar Bergseth at the Research Council of Norway.

Pressure on those wild populations has since dropped, thanks to efforts to increase captive clownfish breeding.

Without firm data on the scale of international trade in individual species, scientists can only guess at its impact on wild populations.

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.

The impact on wild populations could be profound, they say, and because the processes of reproductive development are remarkably well conserved among mammals, these effects are very likely to be occurring among other mammalian species, including humans.

«We don't know how many tree sparrows there are in China but the size of the consignment underlines the volumes of birds being sold — and it must have some effect on wild populations.»

There is a great demand for these peppers, a demand that can exact its toll on the wild populations.

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.

Not exact matches

Maui Nui Venison, a sustainable operation based in Hawaii, harvests wild Axis Deer on the islands of Maui and Moloka'i to keep the invasive species populations under control, and through partners like Nicky USA, provides this truly wild protein to consumers.

«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.

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.

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.

That goes for both wild bees that forage on oilseed rape, and those that don't — though populations of known foragers were three times as likely to disappear.

Although considered one of the most successful predators on Earth due to the high kill - rate their cooperative hunting achieves, African wild dog populations are declining due to pressures including habitat loss and human - wildlife conflict.

Hanna Granroth - Wilding, who led the study, said: «Our knowledge of disease in wild animals has tended to focus on the individual, but our study shows that we need to pay more attention to the broader consequences of disease to fully appreciate the role that it plays in wild populations, especially those whose numbers may be under threat.»

No one has yet studied the effects of estrogen on wild songbird populations.»

«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.

The result is the denuding of wild populations and a vast recycling of mistreated animals, most of which are likely die on one of their ersatz flights to freedom.

Gene drives spreading through wild populations would not respect international boundaries, so they might run afoul of international treaties, such as the Cartagena Protocol on Biosafety that governs cross-border movement of genetically engineered organisms.

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

«And Randy has written the book on the health of a population of wild animals.

+ / - 62 %: rural population directly dependent on wild nature and its services for survival (the most of any continent)

The task force had called on USDA to monitor populations of native and wild bees, not just managed honey bees.

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 trade.

4) Create networks that share health data — Foster sharing of health data among experts within and across wild carnivore range countries, to vastly increase our understanding of disease impacts on endangered populations, and enable proactive and reactive responses when and where they are needed most.

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.

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.

A research group led by the American Museum of Natural History and global wild cat conservation organization Panthera has published the largest gene - based survey of its kind on wild jaguar populations in Mesoamerica.

Identifying which species produce the newly discovered click varieties could help scientists better keep tabs on wild dolphin populations and movements.

The population - level impact of these viruses on free - living wild bird species is currently unknown.

The study shows these losses are driving population declines of the world's wild African elephants on the order of 2 percent to 3 percent a year.

Today nearly all the salmon on grocery shelves is farmed, and the population of the wild variety is four to five times lower than it was before the Industrial Revolution.

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.

Today, in a paper in the open access journal ZooKeys, a team of bat biologists led by Don Buden of the College of Micronesia published a wealth of new information on this «forgotten» species, including the first detailed observations of wild populations.

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.

«This study shows that neonicotinoids could be having a devastating effect on wild bumblebee populations,» said Raine.

And the loss of genetic diversity in wild axolotls — owing to their diminishing population — means that scientists lose out on learning all they can about the animal's biology.

Increased focus on enforcement in a few such areas could help interrupt poaching activities and restore wild elephant populations.

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.

Only then will we be able to resist the ever - growing pressures that transnational crime, corruption and increasing population place on wildlife and wild lands.

Declines in the pollination of wild plants may lead to increases in the population of plants that do not rely on pollinators, and pollinator declines would lead to decreases in crop yields, Fuentes noted.

Rabinowitz acknowledges the greater urgency for captive breeding, but disputes whether the data on population size, sex ratio and breeding success in the wild are good enough to say that wild populations are in terminal decline or that captive breeding — «an absolute last resort», he says — is the only option.

The puzzling finding comes on the heels of other studies linking fungicides to declines in honey bee and wild bee populations.

«The rate at which our water resources on the planet are increasing is zero,» he says, «while our population grows at a wild rate.»

To determine the impact of environment on growth, cuttings from trees in many wild populations were grown in research plots in four distinct environments from California to British Columbia.

Our result supports a previous finding from a wild macaque population on the west coast of Thailand, where macaques selection of tool size is associated with the size of the prey (Gumert and Malaivijitnond, 2013).

Our results suggest that small amounts of non-native genetic admixture that may not be morphologically detectable may have negative effects on fitness of native trout in the wild and that conservation and policy programmes that protect hybridized populations may need reconsideration.

This outbreeding depression suggests that even low levels of admixture may have negative effects on fitness in the wild and that policies protecting hybridized populations may need reconsideration.