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…
When forest harvest levels fell 82 percent on public forest lands in the years after passage of this act, they became a significant carbon “sink” for the first…
In infrared image taken on July 22 at 0845 UTC (4:45 a.m. EDT), GOES-13 captured Tropical Depression Bret, Tropical Storm Cindy in the north Atlantic and low…
So far, only extreme cold stops the hemlock woolly adelgid. But the University of Vermont’s Scott Costa may soon give forest managers and homeowners a tool to…
Satellites provide a bird's eye view of a hurricane's eye, and NASA noticed Hurricane Dora's eye from several of them. Infrared imagery from NASA's Aqua…
The research, published this week in the journal Science, includes parasites in a comprehensive study of ecosystems. By doing so, the scientists say they have…
The findings appear in the Proceedings of the National Academy of Sciences.Previous studies have shown that honey bee hives are contaminated with an array of…
The GOES-13 satellite captured a triple-header in the tropics today when it captured three tropical cyclones in one image in the Northern Hemisphere.A visible…
A Landsat 5 image of the area from May 5, 2011 shows normal flow. In contrast, a Landsat 7 image from July 17 depicts flood conditions in the same location. A…
The Tropical Rainfall Measuring Mission (TRMM) satellite flew over tropical storm Bret in the Atlantic Ocean north of the Bahamas on July 19, 2011 at 1118 UTC…
NASA's Aqua satellite passed over Typhoon Ma-on early on July 19, at 0347 UTC (11:47 p.m. EDT on July 18) and imagery from the Atmospheric Infrared Sounder…
Tropical Storm Dora was just a depression yesterday. Since then, NASA satellite imagery has watched Dora continue to strengthen as thunderstorm cloud tops have…
A Michigan State University researcher revealed the process of how males draw attention to themselves through chemical communication in the current issue of…
This research was conducted by Agricultural Research Service (ARS) scientists at the ARS Northwest Irrigation and Soils Research Laboratory in Kimberly, Idaho.ARS is USDA's principal intramural scientific research agency, and these studies support the USDA priority of responding to climate change. …
A new Baylor University study has found that some bird species in the desert southwest are less affected, and in some cases positively influenced, by…
Analyzing data from multiple measurement stations, scientists at the Georgia Institute of Technology found that the quake weakened subsurface materials by as…
While thousands of species are threatened with extinction around the globe, efforts to save the Grand Cayman blue iguana represent a rarity in conservation: a…