The federal government announced this week that grizzly bears will be reintroduced to Washington state’s North Cascade Mountains. The decision follows many years of intense and divisive debate.
But due to the complex process of capturing bears from British Columbia and northwestern Montana, transporting them by truck and helicopter, it will take many years before bears can venture into the remote and rugged terrain. It may also be costly.
“There’s a lot of work to do before we can schedule it,” said Jason Ransom, a wildlife biologist with North Cascades National Park. “Getting the planning right is critical to the success of a project like this.”
The National Park Service and U.S. Fish and Wildlife Service announced Thursday that over the next 5 to 10 years, a “founder population” of bears will be released into a secluded part of the forest.
This reintroduction will restore a keystone species to the North Cascades, one of the most protected landscapes in the United States. Grizzlies once roamed throughout the region, but were extensively hunted for their fur. The National Park Service reports that there has not been a confirmed bear sighting since 1996.
Both agencies plan to release between three and seven bears each year with the goal of reaching a population of 200 bears within 60 to 100 years.
The North Cascades are one of six areas where federal agencies are working to rehabilitate grizzly bears. Supporters believe that this effort will improve the overall ecosystem health.
Ransom mentioned that grizzly bears play a vital role in turning soil, spreading seeds, and adapting to various habitats for reproduction. Their versatility makes them resilient to environmental changes, including those caused by climate change.
But opponents express concerns about the safety risks grizzly bears may pose to humans, as well as the potential conflicts with farmers and ranchers in the surrounding areas. The reintroduction project is addressing these concerns by selecting a release site in high-quality habitat far from populated areas.
The federal government has designated the project’s grizzly bears as a “nonessential experimental population” under the Endangered Species Act, providing legal flexibility to manage potential conflicts and protect both humans and bears.
The process of capturing and releasing bears involves using culvert traps, anesthesia, veterinary examinations, and radio collars for tracking purposes. The gradual reintroduction process aims to allow humans and bears to adapt to each other in an environment that has been bear-free for decades.
Starting with 25 bears allows the population to grow slowly, giving both humans and bears a chance to coexist in the area that has been without bears for a long time.
Source: www.nbcnews.com
