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…
Forecasters are watching a low pressure area located off the east coast of Madagascar that appears ripe for development in the Southern Indian Ocean. If it…
Clouds play a double role in the Earth's climate. On the one hand, they reflect back to space sunlight shining on the Planet; on the other hand clouds reduce…
The extremely strong earthquake in Chile on 27 February this year was a complicated rupture process, as scientists from the GFZ German Research Centre for…
Polycyclic aromatic hydrocarbons (PAHs) are components of petroleum products such as gasoline, coal, and oil. They are also produced as by-products of the…
At the end of the Pleistocene (10,000 years ago), the increase in temperatures brought an end to the alpine marmot (Marmota marmota) in the Pyrenees, but…
The beetle, Popillia japonica Newman, can feast on a wide variety of plants, including ornamentals, soybean, maize, fruits and vegetables. But within 30…
This problem is sidestepped by some plants—such as dandelions and poplar trees—that reproduce asexually by essentially cloning themselves. Jean-Philippe…
These preliminary measurements, produced from data gathered by researchers from four universities and several agencies, including geophysicists on the ground…
Spore-like reproductive cysts of enigmatic organisms called acantharians rapidly sink from surface waters to the deep ocean in certain regions, according to…
The application of summer patch burning to heal native rangeland may be best accomplished using rotational grazing, according to a Texas AgriLife Research…
Only a few Echinacea species are currently cultivated as botanical remedies, and plant breeders would like to know whether other types also possess…
In fact, wines made with organically grown grapes actually rate higher on a widely accepted ranking, said Magali Delmas, a UCLA environmental economist and the…
Ranchers may be able to tell how long to leave cattle in a pasture, and how large to make the pasture, by the height and leafiness of plants growing there,…
Funded by the National Science Foundation (NSF) and led by scientists at Harvard University, the team reports on its work this week in the journal Science.The…
The researchers found evidence that, from around 1890 to 1960, overgrazing and resultant soil degradation, not encroachment by woody plants, were the main…
In a comprehensive study in this week's issue of the journal Science, conducted by researchers at the Russian Academy of Sciences, the University of Alaska,…
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