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Resources ≀ Trophic Cascade

Where have all the flowers gone? A call for federal leadership in deer management in the United States

Posted on May 3, 2024

Forests in the United States continue to lose biodiversity and many fail to regenerate due to high deer (family Cervidae) abundance. Declines in biodiversity and overall ecosystem health due to high deer populations increases prevalence of wildlife and human diseases … read more

Posted in Resources, Trophic Cascade | Tagged biodiversity, conservation, deer management, forest regeneration, human health, leadership, wildlife management

Rewilding the American West

Posted on August 31, 2022

After taking office, President Biden signed an executive order announcing his America the Beautiful plan to conserve 30% of US land and water by 2030. He challenged Americans to collaboratively “conserve, connect, and restore the lands, waters, and wildlife upon … read more

Posted in Resources, Trophic Cascade

Status and Ecological Effects of the World’s Largest Carnivores

Posted on August 29, 2021

Large carnivores face serious threats and are experiencing massive declines in their populations and geographic ranges around the world. We highlight how these threats have affected the conservation status and ecological functioning of the 31 largest mammalian carnivores on Earth. … read more

Posted in Trophic Cascade

Outsized effect of predation: Wolves alter wetland creation and recolonization by killing ecosystem engineers

Posted on November 30, 2020

Gray wolves are a premier example of how predators can transform ecosystems through trophic cascades. However, whether wolves change ecosystems as drastically as previously suggested has been increasingly questioned. We demonstrate how wolves alter wetland creation and recolonization by killing … read more

Posted in Trophic Cascade

Population responses of common ravens to reintroduced gray wolves

Posted on November 30, 2020

Top predators have cascading effects throughout the food web, but their impacts on scavenger abundance are largely unknown. Gray wolves (Canis lupus) provide carrion to a suite of scavenger species, including the common raven (Corvus corax). Ravens are wide‐ranging and … read more

Posted in Trophic Cascade | Tagged Canis lupus, common raven, Corvus corax, gray wolf, scavenger, Yellowstone National Park

Wolves, Moose, and Tree Rings on Isle Royale

Posted on October 27, 2020

Investigation of tree growth in Isle Royale National Park in Michigan revealed the influence of herbivores and carnivores on plants in an intimately linked food chain. Plant growth rates were regulated by cycles in animal density and responded to annual … read more

Posted in Trophic Cascade

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Wolfwatcher

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Coyote Numbers Are Often Higher In Areas Where They Are Huntedtinyurl.com/454t7bb6Coyote populations across the United States are influenced by a number of factors, but surprisingly their abundance is found to be higher in areas that allow hunting of the predator, according to research by a University of Utah wildlife biologist and colleagues in other states.It is reasonable to expect hunting to reduce species abundance, especially in conjunction with other anthropogenic factors that spurred the wave of Holocene extinctions. Unregulated hunting, after all, resulted in the disappearance of the passenger pigeon, dodo and monk seal, and near-extinctions of many other now-rare species, including iconic megafauna such as the American bison and white rhinoceros.Coyotes, on the other hand, have displayed a pronounced resiliency in regions, such as Utah where hunting and trapping these predators is heavily subsidized and barely regulated, according to the findings based on extensive camera surveys.“This is corroborating a lot of other evidence that direct hunting and intervention is actually not a really good way to manage coyote populations, if the goal is to decrease their abundance.” ... See MoreSee Less

Coyote Numbers Are Often Higher In Areas Where They Are Hunted

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Coyote populations across the United States are influenced by a number of factors, but surprisingly their abundance is found to be higher in areas that allow hunting of the predator, according to research by a ...

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Wolfwatcher

1 day ago

Wolf management program in N.W.T. comes to an end after 5 years of collaring and incentivized huntingtinyurl.com/557y3a7zA wolf management program by the Tłı̨chǫ Government and the government of the Northwest Territories is in its final stages after five years of GPS-collar monitoring and incentives for wolf hunting.The program was part of an effort to reduce wolf predation on the Bathurst and Bluenose East caribou herds.Initially, the wolf collaring was seen as a way to determine which wolves were affiliated with certain caribou herds. Over the course of the five-year program, however, and after recommendations from the Wekʼèezhìi Renewable Resources Board, the focus changed slightly to try to better understand wolf patterns and habits in general.An "enhanced" incentive program was introduced in 2020 and saw wolf hunters receive $1,200 for each animal harvested within a certain area of the North Slave region. That came to an end last May and now hunters in those areas are back to receiving $200 for each harvested wolf skull.The incentivized harvest numbers were fairly consistent over the five-year program, averaging around 100 wolves a year. In 2020, the proposed annual target for the program was 300 harvested wolves each year.A large part of the harvest research was done in collaboration with Tłı̨chǫ community harvesting camps, workshops and hunters. The program's 2024 report adds that getting advice from Kugluktuk, Nunavut, hunters and working with them was positive for the program.Wilson said she expects a comprehensive review of the program and its impacts to be complete in the fall of 2026. ... See MoreSee Less

Wolf management program in N.W.T. comes to an end after 5 years of collaring and incentivized hunting | CBC News

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A wolf management program by the Tłı̨chǫ Government and the government of the Northwest Territories is in its final stages after five years of GPS-collar monitoring and incentives for wolf hunting.

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Resources ≀ Trophic Cascade

Where have all the flowers gone? A call for federal leadership in deer management in the United States

Rewilding the American West

Status and Ecological Effects of the World’s Largest Carnivores

Outsized effect of predation: Wolves alter wetland creation and recolonization by killing ecosystem engineers

Population responses of common ravens to reintroduced gray wolves

Wolves, Moose, and Tree Rings on Isle Royale

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