La trucha no nativa ha alterado la diversidad del zooplancton que habita en los lagos de gran elevación.
food webs
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DNA in Lake Sediment Reveals the Impact of Introduced Fish
Non-native trout have altered the diversity of zooplankton that live in high-elevation lakes.
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Hungry Stingrays Shift Serious Amounts of Sediment
While digging for food on estuary bottoms, rays push around literally tons of sediment, changing their habitat in profound ways.
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Toxic Metal on the Rise in the Baltic Sea
Postwar reconstruction is likely the cause of elevated thallium levels, but low-oxygen, high-sulfide conditions keep the material, which is extremely dangerous to mammalian health, from moving into the human food chain.
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Arctic Warming Triggers Abrupt Ecosystem Shift in North America’s Deepest Lake
Great Slave Lake’s huge cold water mass shielded it from impacts of the rapidly warming climate—until now.
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Arctic Ice Loss Could Shorten Winter Feeding Time for Zooplankton
The Arctic’s thinning sea ice allows more light to penetrate deeper into the ocean, holding zooplankton far beneath the surface.
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Ambidextrous Microbes May Pump Out CO2 as Temperatures Rise
Certain microbes that engage in both photosynthesis and predation are more likely to do the latter as the planet warms, resulting in a net release of carbon dioxide.
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Penguin Poop May Flush Iron into the Southern Ocean
Nutrients from the seabirds’ guano fuels the growth of carbon-storing phytoplankton, but penguin populations have plunged in the past 4 decades.
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Marine Life May Be Headed to Higher Latitudes
Researchers tracked plankton through a changing climate over 8 million years. Now, that knowledge is helping scientists understand the coming effects of warming oceans.
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Ocean Acidification May Drive Diatom Decline
Diatoms contribute to global oxygen production, marine food webs, and carbon sequestration, but scientists predict that diatom populations will decline due to ocean acidification associated with climate change.