Sentences with phrase «with wolf populations»

As seen in the diagram below, moose populations rose but also ebbed and flowed inversely with wolf populations.

Not exact matches

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.

It can control population levels and put pressure on species to develop natural resistance, says Laurenson, who started working with the wolf project in the mid-1990s.

The study highlights a «useful and effective technique of reducing introgression of coyote genes into red wolf populations,» says Dave Mech, a wolf biologist and senior scientist with the Biological Resources Division of the U.S. Geological Survey in St. Paul, who was not involved with the research.

«The bigger the population, the more often wolves are in contact with each other and their prey, and the more often they became infected with different parasites,» Lesniak summarises the results.

As they traveled, dogs mingled with other populations of dogs but also with wolves, both ancestral and modern, creating a genetic potpourri.

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.

It too is mating with coyotes, and because coyotes outnumber the red wolves, the hybrids are back - crossing with coyotes to the extent that the red wolves could be subsumed into the coyote population.

This call set contains 1,815,911 variants that are likely either private to New World wolves or arose in the grey wolf (Canis lupus) ancestral population, and thus is the least biased with regard to their ascertainment in Old World wolves and dogs.

When we included only modern dogs, we observed that wolf populations appeared to diverge rapidly, concordant with previous studies26, 27, whereas the branching of the main dog lineages took place over a much longer period of time.

He taught me a lot about evolutionary medicine and nutrition in general, opened many doors and introduced me (directly and indirectly) to various players in this field, such as Dr. Boyd Eaton (one of the fathers of evolutionary nutrition), Maelán Fontes from Spain (a current research colleague and close friend), Alejandro Lucia (a Professor and a top researcher in exercise physiology from Spain, with whom I am collaborating), Ben Balzer from Australia (a physician and one of the best minds in evolutionary medicine), Robb Wolf from the US (a biochemist and the best «biohackers I know»), Óscar Picazo and Fernando Mata from Spain (close friends who are working with me at NutriScience), David Furman from Argentina (a top immunologist and expert in chronic inflammation working at Stanford University, with whom I am collaborating), Stephan Guyenet from the US (one of my main references in the obesity field), Lynda Frassetto and Anthony Sebastian (both nephrologists at the University of California San Francisco and experts in acid - base balance), Michael Crawford from the UK (a world renowned expert in DHA and Director of the Institute of Brain Chemistry and Human Nutrition, at the Imperial College London), Marcelo Rogero (a great researcher and Professor of Nutrigenomics at the University of Sao Paulo, Brazil), Sérgio Veloso (a cell biologist from Portugal currently working with me, who has one of the best health blogs I know), Filomena Trindade (a Portuguese physician based in the US who is an expert in functional medicine), Remko Kuipers and Martine Luxwolda (both physicians from the Netherlands, who conducted field research on traditional populations in Tanzania), Gabriel de Carvalho (a pharmacist and renowned nutritionist from Brazil), Alex Vasquez (a physician from the US, who is an expert in functional medicine and Rheumatology), Bodo Melnik (a Professor of Dermatology and expert in Molecular Biology from Germany, with whom I have published papers on milk and mTOR signaling), Johan Frostegård from Sweden (a rheumatologist and Professor at Karolinska Institutet, who has been a pioneer on establishing the role of the immune system in cardiovascular disease), Frits Muskiet (a biochemist and Professor of Pathophysiology from the Netherlands, who, thanks to his incredible encyclopedic knowledge and open - mind, continuously teaches me more than I could imagine and who I consider a mentor), and the Swedish researchers Staffan Lindeberg, Tommy Jönsson and Yvonne Granfeldt, who became close friends and mentors.

The diverse genetic origin of the domestic dog has likely involved multiple gray wolf populations from breed inception that were even at later times backcrossed with wolves throughout history.

Reason is that the American Natives» dogs intermingled with local wolf populations, thereby contributing to gene pools along the divide till the settlers and the army destroyed all the natives and their dogs in most tragic of the world events.

Some have suggested that these are hybrid coyotes whose parents mated with wolves; however, it is also possible that natural selection has allowed the survival of larger sized lines from successful populations residing in richer habitats.

Based on the research on foxes, the natural selective pressure on village wolves to be tamer might have simultaneously created a population of wolves with all kinds of odd characteristics.

1973 Vancouver Island's wolf sighting program started with a count of 37 wolves, 1976 Vancouver Island Wolf Populations had seemed to rebound with a count of 88 wolves, and in 1977 they were removed from the provincial Threatened and Endangered Species lwolf sighting program started with a count of 37 wolves, 1976 Vancouver Island Wolf Populations had seemed to rebound with a count of 88 wolves, and in 1977 they were removed from the provincial Threatened and Endangered Species lWolf Populations had seemed to rebound with a count of 88 wolves, and in 1977 they were removed from the provincial Threatened and Endangered Species list.

Scientists working on Vancouver Island have determined for the first time that when you try to eliminate a population of wolves from an area, you run the risk of repopulating that area with what one biologist called «monster wolves.»

What has happened in yellowstone is not simply «wolf populations have done well» but the forest has recovered it's natural balance both in terms of species diversity and with grass meadows.

The National Park Service on Friday formally moved forward with its proposal to put 20 to 30 wolves on Isle Royale in Lake Superior over three years to bolster the nearly extinct population on the...