Mention the word “parasite”, and Chelsea Wood’s face lights up. She may be one of the few people on Earth who think so fondly of them. But it makes sense — Wood is a marine ecologist and her entire lab focuses on parasites and the role they play in nature. Turns out, it’s an important one — and one that may be changing over time.
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Environmental disasters in the U.S. often hit minority groups the hardest. When Hurricane Katrina slammed New Orleans in 2005, the city’s black residents were disproportionately affected. Their neighborhoods were located in the low-lying, less-protected areas of the city, and many people lacked the resources to evacuate safely. Similar patterns have played out during hurricanes and tropical storms ever since. Massive wildfires, which may be getting more intense due to climate change and a long history of fire-suppression policies, also have strikingly unequal effects on minority communities, a new study shows.
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For 20 years, dozens of University of Washington researchers have walked Hansen Creek — home to one of the densest sockeye salmon runs in Alaska’s Bristol Bay region — every day during spawning season, counting live salmon and recording information about the fish that died. After counting a dead fish — an inevitability here, either after spawning or in the paws of a brown bear — researchers throw it on shore to remove the carcass and not double-count it the next day.
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About a quarter of the world’s seafood caught in the ocean comes from bottom trawling, a method that involves dragging a net along the ocean’s shelves and slopes to scoop up shrimp, cod, rockfish, sole and other kinds of bottom-dwelling fishes and shellfish. The technique impacts these seafloor ecosystems, because other marine life and habitats can be killed or disturbed unintentionally as nets sweep across the seafloor.
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Many faculty members and students from UW Environment spend their summers collecting data, monitoring conditions and altogether applying concepts from the classroom in the field.
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