The daily activities of mammals, reptiles, crustaceans, and fish influence the physical environment, with invasive burrowing species causing particular disruption in aquatic environments.
animals
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Is Chicago Water Pollution Halting a Silver Carp Invasion?
Pollution is definitely not the solution to stopping invasive silver carp, researchers assert. But cleaner waters could affect the invasion front.
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Newly Discovered Fossil Species Named After Star Wars Starship
The 500-million-year-old species is a distant relative of today’s crabs, spiders, and insects.
Posted inResearch Spotlights
Seasonal and Annual Changes in Pitch in Blue Whale Calls
Six years of acoustic recordings detect seasonal shifts in blue whale vocalizations that correlate with the presence of icebergs, a primary source of ambient ocean noise in the southern Indian Ocean.
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Dinosaurs Roar Again, Now Including a Focus on Climate Change
The newly renovated fossil hall at the Smithsonian’s National Museum of Natural History features spectacular fossils and includes a theme of human impact on life on Earth.
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Leaping Global Temperatures Make Frog Disease Deadlier
Climate change will shift the warmest months, when disease rates spike, into tadpole season, which could endanger the long-term survival of common frogs.
Posted inResearch Spotlights
Spruce Beetle Slows Snow Sublimation in Wyoming’s Mountains
A new study investigates changing water dynamics after a pest infestation in the Rocky Mountains.
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Ant Nests Act as Carbon Dioxide Chimneys
Leaf-cutter ant nests emit thousands of times more carbon dioxide than the surrounding soils do, a new study has found.
Posted inResearch Spotlights
Leaf-Cutter Ants Boost Carbon Dioxide Emissions from Soil
Leaf-cutter ant nest openings emit up to 100,000 times more carbon dioxide than surrounding soil, a new study shows.
Posted inResearch Spotlights
Tiny Marine Shells Reveal Past Patterns in Ocean Dynamics
A 400,000-year calcium carbonate record from the ocean floor sheds light on deep-ocean circulation and on mechanisms driving climate patterns and atmospheric carbon dioxide concentrations.