ecosystems 2 3

Tag: "ecosystems" at biology news

A cleaner, greener rice industry

...ice production leading to cleaner water, healthier ecosystems and a better environment for the entire region." In February, IRRI hosted a workshop ?funded by Malaysia and attended by Malaysian scientists ?to further develop ideas for such indicators and to consider ways to have such standards harmonized across...

Important gene controlling tree growth and development found

... on earth. They are often a dominating part of the ecosystems and 30 per cent of the earths landmass is covered with forests. Trees produce many important products for mankind such as renewable fuel, cellulose for the pulp and paper industry and construction materials. Compared to most other plants, trees disp...

Beaver dams create healthy downstream ecosystems

...eir dams, are also critical to maintaining healthy ecosystems downstream. Researchers have found that ponds crea... in Rocky Mountain National Park, examining valley ecosystems downstream in the Colorado River. They noted that water diverted by beaver dams is forced out of the...

NAU researchers chirping over discovery of new cricket genus

...veyed sufficiently for ecological resources. "Cave ecosystems are one of the most poorly understood and fragile ...ow little is known about these ecosystems." Cave ecosystems are poorly understood because they are a relatively new avenue of scientific inquiry, Wynne explaine...

K-Staters design and build a low-cost remote sensing tool for environmental studies

...rying to get a good understanding of all the major ecosystems in the world: grasslands versus Amazon forests versus African savannah versus tundra in Alaska," Ham said. "The earth's atmosphere links all cultures and nations. By that, I mean that carbon dioxide emitted in China, for example, can impact the vege...

New method confirms importance of fungi in Arctic nitrogen cycle

...dies of plant nitrogen supply in all nitrogen-poor ecosystems must include these important transfers between plants and fungi," says Hobbie. ...

Report warns about carbon dioxide threats to marine life

...nother of the report's authors. Threats to major ecosystems Several other major ecosystems that are supported by marine calcifiers may be particularly threatened by ocean acidification. These...

Corals switch skeleton material as seawater changes

...he said. Corals are crucial to nearshore tropical ecosystems because the reefs they build are inhabited by tens of thousands of marine animals, plants, algae and bacteria that make up the coral reef ecosystem, which is one of the planet's most diverse, Ries said. But coral reefs also serve a more practical pur...

Pollen proves beneficial for northern lakes

...important linkable between terrestrial and aquatic ecosystems in northern environments." By increasing the availability of plankton, an important food resource for forage fish, the production of harvestable sport fish may also rise, all thanks to pollen. Since climate also affects annual pollen production pr...

Ecosystem services and invasive species

...eau supports some of the most biologically diverse ecosystems in North America, but much of the land is privately owned and not under any zoning growth restrictions. Deborah McGrath and Ken Smith (Sewanee - University of the South) and their students are studying the economic and ecological costs of two model...

Beekeepers work hard for the honey, despite changing tupelo forest

...r floodplain, one of the most biologically diverse ecosystems in North America. Although tupelo trees can be found elsewhere, the white tupelo from which the honey featured in the 1997 movie "Ulee's Gold" is derived is found in abundance only along the Apalachicola. "It's the preferred tree for making tupelo ...

What's nature worth? New computer models tell all

... Costanza's team will gather experts on a range of ecosystems to two extended meetings in Burlington, one this f...ulation. "Instead, we're looking for effects of ecosystems on human welfare, whether people perceive them or not--rather than just asking them how much they'd ...

UN review shows need to halt destructive fishing practice

...ed species, and the damage it causes to vulnerable ecosystems that provide critical habitat for marine life. It cited an "urgent need" in some cases for interim steps such as a moratorium on bottom trawling until formal conservation and management systems can be set up. Nations have until Aug. 7 to respond t...

Pollution threatens coral health by preventing lesions from healing, UCF study shows

...ast coast. The loss of coral harms natural reef ecosystems and can hurt Florida's tourism economy if divers decide to go elsewhere. Reefs also help to protect coastal areas from hurricanes, as they break up storm surge in the same manner that sea walls do. "We're losing places where animals can hide and fi...

Tropical forest CO2 emissions tied to nutrient increases

... changing the amount of phosphorus and nitrogen in ecosystems all over the globe, including the tropics, Cleveland said. Tropical rain forests play a dominant role on Earth in regulating atmospheric CO2, the primary greenhouse gas that has increased by roughly 33 percent since the Industrial Revolution began ab...

Ammonia-loving archaea win landslide majority

...idizing microorganisms were present in terrestrial ecosystems as well. "We measured the abundance of the particular crenarchaeota gene alongside the same type of gene from bacteria," explains Schleper. The tally suggested that copies of the archaeal gene in the soil samples were up to 3,000 times more ...

Brazil creates buffer zone around coral reefs off Atlantic coast

...ast, including several types of coastal and marine ecosystems with unique and endangered species, such as the humpback whales. Under Brazilian law, buffer zones around protected areas offer strong protection, with special permits from environmental authorities required for any economic use. "The buffer zone ...

It's all in the genes

...ties, such as landscape fragmentation, on stressed ecosystems across the planet." The researchers are the first... to study the genetic framework of communities and ecosystems in the wild. They have planted several experimental "common gardens" of cottonwoods in Arizona and U...

Creating a window on 'oceans in motion'

...howed us that human activities can transform ocean ecosystems on a global scale and the 21st century, so far, leaves little doubt that problems will compound as climate change occurs," says Dr. O'Dor, who is also Senior Scientist for the Census of Marine Life. "We hope that together we can lay the foundation ...

Antarctic Treaty Meeting moves to protect frozen continent from non-native species

... being introduced into both marine and terrestrial ecosystems in Antarctica. To protect the marine environment,...s makes the Antarctic a perfect place to study how ecosystems work. The inadvertent introduction of non-native species into Antarctica could put this in jeopardy,...

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