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With more than 400 of your choice, American national parks are the ideal holiday destination for travelers across the country, whether they arenature lovers, explorers, orfauna fans. But the National Park Service (NPS) was not only established for our personal pleasure: it has adeclared mission To preserve and protect these parks for future generations. This means actively keep national parks and work hard to repair any damage. Some things, however, are out of the control of NPS, including dangerous invasive species. Read more to find out which American national park is currently besieged.

Read this then:Yosemite national park officials say that if you hear this, "quickly move away from the region".

The invasive species are well named because they invade and effectively infiltrate an ecosystem. According to the American Forest Service for Agriculture (USDA), to be classified as invasive, species must be non -native for the region and "likely to cause evil to the economy, the environment or human health. "Organizations threaten surrounding wildlife by monopolizing resources, mainly fulfilling native species. In addition, they often lack predators in the region, allowing them to spread without restraint. In areas like national parks, where fauna is Supposed to be protected, these invasive species are much more worrying.AE0FCC31AE342FD3A1346EBB1F342FCB

Now, the biologists of a northeast national park are working to fight against dangerous invasives, but their work becomes more difficult.

Nationally, approximately 2.6 million acres of park land are "affected by invasive plant species, "According to the NPS. In Acadia National Park in Maine, it is estimated that almost a third of the parkPlant species are not native, and about 25 are "very invasive".

Purple Loosestrife (Lyhtrum Salicaria)), which is in the wetlands of Acadia, has been effectively monitored since 1988, and the invasive plant management team (IPMT) in Acadia works to follow and eliminate invasive species each year. In addition to the purple loyalty, shrubs such as the brilliant loop jet (Rhamnus Frangula), Japanese barberge (Berberis Thunbergii), and the honeysuckle of Morrow (Lonicera Morrowii) are particularly "problematic", just like vines like the Asian soft-maker (CESSTRUS ORBICULATUS), and herbaceous plants like the Japanese Renouée (Fallopia Japanica).

It is not a simple task to keep these plants under control and protect native species. And the work of biologists isstill complicated Because "climate change exacerbates the problem", "Jesse Wheeler, A vegetation biologist for Acadia, told NBC Maine's affiliated information center.

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Wheeler explained that when warming temperatures extend to the fall in the northeast, it allows invasive species to spread even further. They are able to grow at a faster rate in the spring and extend their "growth seasons" to the fall, he told the Maine News center. On the other hand, these temperatures "stressed" native species, which adapted to climatic conditions at Acadia during the millennia. Wheeler also manages several "sleep species" who now become more invasive with warmer temperatures, despite the fact that they have been recorded in the region for more than a century.

Acadia is lucky in that it has a limited number of invasive species to keep under control, but Wheeler plans that the northeast region will become a "hotspot" for invasions while the planet warms up. Fortunately, Acadia experts are proactive in the management of wetlands, islands and forests in the park.

"We are in a way on the main front of the two where species go, so we are in a way in this northern range of many invasive species, but we also have active management," Wheeler said in News Center Maine . "I think it is a kind of radius of hope for us that we can stay in front of some of them, because we also plan that more challenges warm up while the climate warms up."

The rise in temperatures is not limited to the northeast region of the United States, and scientists emphasize that the climate crisis can have serious ramifications with regard to our geography.

As a low altitude park, climate change threatensCharles Van Rees, PHD,Conservation of conservation, naturalist, and founder of the Gulo in Nature blog. Other national parks are also faced with changes, especially one of the most popular: the cornerstone national park. This summer, extreme temperatures have led to amassive flood This has permanently changed the park, while warming temperatures in the West promote a more user -friendly environment for invasive species.

It is a question of "allowing the harmful invasive species to spread higher in elevation, to kill beautiful important trees such as the pines of the white marque and the lodgepole"said beforeBetter life, adding that the Glaciers National Park and the Rocky Mountain National Park are also affected by warming at higher altitudes.