天美影视传媒

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A new 天美影视传媒 study that leverages historical data has found unique support for a 鈥渟afety in numbers鈥 hypothesis by showing that Pacific salmon in larger groups have lower risk of being eaten by predators. But for some salmon species, schooling comes at the cost of competition for food, and those fish may trade safety for a meal.

As the green crab invasion in the state worsens, a new analysis method developed by 天美影视传媒 and Washington Sea Grant scientists could help contain future invasions and prevent new outbreaks using water testing and genetic analysis. The results show that the DNA-based technique works as well in detecting the presence of green crabs as setting traps to catch the live animals, which is a more laborious process. Results suggest these two methods could complement each other as approaches to learn where the species鈥 range is expanding.

Many nations are calling for protection of 30% of the world鈥檚 oceans by 2030 from some or all types of exploitation, including fishing. Building off this proposal, a new analysis led by the 天美影视传媒 looks at how effective fishing closures are at reducing accidental catch. Researchers found that permanent marine protected areas are a relatively inefficient way to protect marine biodiversity that is accidentally caught in fisheries. Dynamic ocean management 鈥 changing the pattern of closures as accidental catch hotspots shift 鈥 is much more effective.

A team of researchers led by the 天美影视传媒 drew upon the field of environmental justice 鈥 which primarily has focused on harms to people and public health 鈥 and applied its concepts to wildlife management, considering forms of injustice that people, communities and animal groups might experience. Lead author and UW assistant professor Alex McInturff talks with UW News about this work and why it’s significant.

In a rare stroke of luck, researchers from the 天美影视传媒, the University of California, Berkeley, and the University of California, Santa Barbara, were able to track a group of black-tailed deer during and after California鈥檚 third-largest wildfire, the 2018 Mendocino Complex Fire. The megafire, which torched more than 450,000 acres in northern California, burned across half of an established study site, making it possible to record the movements and feeding patterns of deer before, during and after the fire.

Seeing the urgent need for change, a team of scientists from leading research universities, conservation organizations and government laboratories across the West has produced a synthesis of the scientific literature that clearly lays out the established science and strength of evidence on climate change, wildfire and forest management for seasonally dry forests. The goal is to give land managers and others across the West access to a unified resource that summarizes the best-available science so they can make decisions about how to manage their landscapes.

For more than a century, researchers have relied on flat sketches of sharks鈥 digestive systems to discern how they function 鈥 and how what they eat and excrete impacts other species in the ocean. Now, researchers have produced a series of high-resolution, 3D scans of intestines from nearly three dozen shark species that will advance the understanding of how sharks eat and digest their food.

Researchers from the 天美影视传媒 provide a first look at the probability of observing common birds as air pollution worsens during wildfire seasons. They found that smoke affected the ability to detect more than a third of the bird species studied in Washington state over a four-year period. Sometimes smoke made it harder to observe birds, while other species were actually easier to detect when smoke was present.

Joshua Lawler, a 天美影视传媒 professor in the School of Environmental and Forest Sciences, has been named a 2021 fellow of the Ecological Society of America. Fellows are elected for life, and the honor recognizes scientists who advance or apply ecological knowledge in academics, government, nonprofits and the broader society.

Thanks to 20 years of observations from thousands of citizen scientists, 天美影视传媒 researchers have discovered distinct patterns in the mass strandings of by-the-wind sailor jellies. Specifically, large strandings happened simultaneously from the northwest tip of Washington south to the Mendocino coast in California, and in years when winters were warmer than usual.

A new 天美影视传媒 study provides the first look at how much noise pollution is impacting the Olympic Peninsula. The paper found that aircraft were audible across a large swath of the peninsula at least 20% of weekday hours, or for about one hour during a six-hour period. About 88% of all audible aircraft in the pre-pandemic study were military planes.

Scientists from around the world, including the 天美影视传媒, have established the Arctic Animal Movement Archive, an online repository for data documenting the movements of animals in the Arctic and Subarctic. With this archive, scientists can share their knowledge and collaborate to ask questions about how animals are responding to a changing climate.

A new study led by researchers at the 天美影视传媒 and the University of California, Davis, finds that the success rate of summiting Mount Everest has doubled in the last three decades, even though the number of climbers has greatly increased, crowding the narrow route through the dangerous 鈥渄eath zone鈥 near the summit. However, the death rate for climbers has hovered unchanged at around 1% since 1990.

Social inequalities, specifically racism and classism, are impacting the biodiversity, evolutionary shifts and ecological health of plants and animals in our cities. That鈥檚 the main finding of a review paper published Aug. 13 in Science led by the 天美影视传媒, with co-authors at the University of California, Berkeley, and University of Michigan.

An international group of scientists has laid out an ambitious global conservation plan for parasites. A related paper led by the 天美影视传媒 found that responses of parasites to environmental change are likely to be complex, and that a changing world probably will see both outbreaks of some parasites and a total loss of other parasite species.

天美影视传媒 researchers have discovered that large predators play a key yet unexpected role in keeping smaller predators and deer in check. Their 鈥渇atal attraction鈥 theory finds that smaller predators are drawn to the kill sites of large predators by the promise of leftover scraps, but the scavengers may be killed themselves if their larger kin return for seconds.

When nearly one million common murres died at sea and washed ashore from California to Alaska in 2015 and 2016, it was unprecedented. Scientists from the 天美影视传媒, the U.S. Geological Survey and others blame an unexpected squeeze on the ecosystem’s food supply, brought on by a severe and long-lasting marine heat wave known as “the blob.”