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Agriculture & Environment

Earth Sciences
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Uneven Nutritional Payoffs for Marine Predators Revealed

New study finds that the nutritional value of prey within a single species can widely vary, offering key insights for food web dynamics and ecosystem change The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume? Following a period of massive starvation among animals living along the California coast, University of California…

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Agricultural & Forestry Science

Safer Turfgrass for Animals: Endophyte Innovation Explained

Neotyphodium is a fungus called an endophyte. It lives symbiotically, feeding off many species of grasses while providing the grass with protection from…

Earth Sciences

NASA satellites 'eyes' changes in Hurricane Katia

One NASA instrument that flies aboard two different NASA satellites has been providing very clear pictures of Hurricane Katia's transition over the last couple…

Environmental Conservation

USGS research frontiers on fish at the American Fisheries Society Conference

The theme of this year's conference is “New Frontiers in Fisheries Management and Ecology: Leading the Way in a Changing World.” For more information, visit…

Environmental Conservation

Scientists Monitor the Health of the Caney Fork River by Fishing with Electricity

Though water and electricity are not usually a good mix, the combination is one of the best methods for collecting fish and determining their health. The…

Agricultural & Forestry Science

Study finds crop performance matters when evaluating greenhouse gas emissions

That's the conclusion of a study in the Sept.-Oct. issue of the Journal of Environmental Quality, which examined the impact of farm practices such as tillage…

Environmental Conservation

New Insights on Deepwater Horizon Oil Spill Flow Rates

The results—published in the Sept. 5, 2011 online issue of the Proceedings of the National Academy of Sciences (PNAS)—are in line with the federal government's…

Agricultural & Forestry Science

California Study Traces Tree-Killing Pathogen to Source

In a study published today (Thursday, Sept. 1) in the peer-reviewed journal Phytopathology, California emerged as the top suspect for the pathogen, Seiridium…

Earth Sciences

Last two winters' warm extremes more severe than their cold snaps

New research examines daily wintertime temperature extremes since 1948 The study finds that the warm extremes were much more severe and widespread than the…

Earth Sciences

Tropical Depression 8E's remnants still hug Mexican coastline

Tropical Depression 08E (TD8E) has weakened to a remnant low pressure system over Mexico. TD 8E's remnants were raining on Manzanillo and Puerto Vallarta at 10…

Earth Sciences

NASA Tracks Katia’s Formation as Second Atlantic Hurricane

NASA's TRMM satellite noticed towering thunderstorms within Katia yesterday which clued forecasters that she would become a hurricane today. NASA's Aqua…

Environmental Conservation

Chile Reels in Salmon Farms

The Wildlife Conservation Society (WCS) commended local Chilean officials for keeping salmon farms from the fragile coastal waters of Tierra del Fuego Province…

Environmental Conservation

Managing Water Resources to Save Salmon Runs Amid Warming Streams

There are options for managing water resources to protect the salmon runs, although they would impact hydroelectric power generation, said Lisa Thompson,…

Agricultural & Forestry Science

Organic Farming Proves Profitable Long-Term, Study Finds

The answer is yes, according to new research in the Sept.-Oct. issue of Agronomy Journal. In an analysis of 18 years of crop yield and farm management data…

Agricultural & Forestry Science

Unfounded Pesticide Concerns Adversely Affect the Health of Low-income Populations

Bruce N. Ames, Ph.D., developer of a widely used test for potential carcinogens that bears his name, spoke at the 242nd National Meeting & Exposition of the…

Earth Sciences

The Geophysicist's Guide to Striking It Rich

Prospecting — the search for valuable reserves such as gold, diamond and natural gas — isn't just a matter of luck. It's about knowing where to look. Now…

Earth Sciences

Little Ice Age Study: Solar Activity’s Minimal Climate Impact

This implies that low solar activity, which is expected by some researchers for the coming decades, cannot considerably slow down global warming caused by…

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