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1281 matches found for "ecosystems"

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New climate treaty could put species at risk

A team of eleven of the world's top tropical forest scientists, coordinated by the University of Leeds, warn that while cutting clearance of carbon-rich tropical forests will help reduce climate ...

Life Sciences | nachricht Read more
Sponges recycle carbon to give life to coral reefs

Marine biologist Fleur Van Duyl from the Royal Netherlands Institute for Sea Research is fascinated by the energy budgets that support coral reefs in this impoverished environment. According t...

Life Sciences | nachricht Read more
Additive Copper-Zinc Interaction Affects Toxic Response in Soybean

Regulations and guidelines for tolerable concentrations of these potentially plant-toxic elements in soils are based on the assumption that the toxic effects of the metals are substantially independen...

Agricultural and Forestry Science | nachricht Read more
Controversial new climate change results

This suggests that terrestrial ecosystems and the oceans have a much greater capacity to absorb CO2 than had been previously expected. The results run contrary to a significant body of recent ...

Earth Sciences | nachricht Read more
California's Ancient Kelp Forest

The kelp forest tripled in size from the peak of glaciation 20,000 years ago to about 7,500 years ago, then shrank by up to 70 percent to present day levels, according to the study by Rick Grosberg, p...

Ecology, The Environment and Conservation | nachricht Read more
Studies show marine reserves can be an effective tool for managing fisheries

A recent study in the Gulf of California, for example, confirmed the validity of a key concept behind marine reserves--the idea that offspring produced in a protected area can replenish the stocks of ...

Life Sciences | nachricht Read more
Copper-Zinc Interaction Additive, Affects Toxic Response in Soybean

Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of ti...

Agricultural and Forestry Science | nachricht Read more
Scientists call for "global cooling" to save coral reefs

In the lead up to United Nations Copenhagen Climate Change Conference Professors Charlie Veron (former Chief Scientist, Australian Institute of Marine Science) and Ove Hoegh-Guldberg of the ARC Centre...

Ecology, The Environment and Conservation | nachricht Read more
Nitrogen loss threatens desert plant life

"This is a way that nitrogen is lost from an ecosystem that people have never accounted for before," said Jed Sparks, associate professor of ecology and evolutionary biology and co-author of...

Studies and Analyses | nachricht Read more
Antarctica glacier retreat creates new carbon dioxide store

Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. ...

Earth Sciences | nachricht Read more
Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes

Examining nitrogen deposition in alpine and subalpine lakes in Colorado, Sweden and Norway, James Elser, a limnologist in the School of Life Sciences at Arizona State University, and his colleagues fo...

Studies and Analyses | nachricht Read more
Tags reveal white sharks have neighborhoods in the north Pacific

"White sharks are a large, highly mobile species," said Salvador Jorgensen, a postdoctoral scholar at Stanford's Hopkins Marine Station. "They can go just about anywhere they want ...

Life Sciences | nachricht Read more
Deep-sea ecosystems affected by climate change

Historically, many people, including marine scientists, have considered the abyssal plains, more than 2,000 meters below the sea surface, to be relatively isolated and stable ecosystems. Howev...

Ecology, The Environment and Conservation | nachricht Read more
Data point to some improvements in China's environment

The rapid growth of China's forests over the past 20 years makes them the fastest growing forest resources in the world, according to an assessment published in the November issue of BioScience. ...

Ecology, The Environment and Conservation | nachricht Read more
Robot fish could monitor water quality

Nature inspires technology for an engineer and an ecologist teamed up at Michigan State University. They're developing robots that use advanced materials to swim like fish to probe underwater env...

Ecology, The Environment and Conservation | nachricht Read more
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