Tag: "forest" at biology news
Biologist calls 30% of African primates 'living dead'
...ya and Nigeria) could lose a third tohalf of their forest
primate species within decades. Actual extinctions...d to lose 70% and East Africa 95% of the remaining forest
cover by 2040. Habitat loss threatens about half of primate species worldwide. Determiningwhere the...
Watershed responses to forest practices studied
..., Wash. - A newly enhanced computer model may help forest
managersdesign or modify forest
roads, tree harvesting and other land-use activitiesbased on effects to watersheds, streams and fish...
Cleaner air and less acidification among proposals for new environmental goals
...tion, a plan is needed for the preservation of wet forest
anda programme ofmeasures for the care of fertile fens....
Duke expedition to rescue rare lemurs
...rchfor the diademed sifakas in a 600-acre patch of forest
that is rapidly beingdestroyed by wood-gathering a...iculture. The area to besearched is the Mahatsinjo forest
south of the Madagascar capital ofAntananarivo. An expedition into the forest
by another group earli...
Spacecraft provides first direct evidence: Smoke in the atmosphere inhibits rainfall
... when the clouds are polluted with heavysmoke from forest
fires. In these clouds, scientists found, the cloud tops mustgrow considerably above the freezing level (16,000 feet or 5,000 meters) inorder for them to start producing rain by an alternative mechanism. "We've seen evidence of decreased precipitatio...
MIT study assesses effects of Kyoto Protocol
...theKyoto Agreement, including critical issues like forest
"sinks" (repositories ofCO2 absorbed from the atmosphere) and non-CO2 greenhouse gases. It alsoexplicitly considers atmospheric interactions among these gases, climatefeedbacks, the roles of carbon monoxide and nitrogen oxides (key components ofsmog)...
NASA laser instrument to aid forest management, media briefing scheduled for Oct. 12
...spacecraft, it will create the firstglobal maps of forest
vegetation. A news media briefing on the ...ssion and its application tomanagement of national forest
lands will be held Tuesday, October 12 at 10 a.m.in Fresno, Calif. The briefing and tours of the NA...
Counting elephants by monitoring sounds
... a new program to monitor thenumbers and health of forest
elephants by eavesdropping on the sounds they make... recording engineerwho first captured the calls of forest
elephants in Gabon and the CentralAfrican Republic. "If we can maintain real-time access to microph...
Sea level rise behind coastal tree deaths
...yet to determine whether the tree die-off rate and forest
retreat is faster nowthan in the past. She noted t...small increaseis converting as much as 2 meters of forest
to salt marsh annually, Williamssaid. The forest
retreat threatens many coastal parks and nature res...
A 'Juliet' is found for the rare lemur Romeo
...to rescue arare species of lemurs from a dwindling forest
in the depths of Madagascar hascaptured two of the... "They were moving along the edge of a ridge-top forest
segment. It tookthe rescue team another four hours to approach and tranquilize Juliet [and theaccomp...
Unveiling all of the consequences: Introduced plants may be causing hidden trouble
... spurge, water pipes clogged by zebra mussels, and forest
trees killed by kudzu vines have fostered the publics understanding of the issue. But now, two Canadian scientists are suggesting that even the introduction of some less aggressive species may have far-reaching negative repercussions. Janice Chri...
New study claims data on pollutants worldwide are unreliable, and that some may be less--or more--harmful than thought
...d plateau inNorway; an 80-year-old mixed deciduous forest
in the U.S.; and in an area nearthe city of Porto Velho in Brazil. The scientists amended the soil samples with herbicides dichlorprop andmethyl dichlorprop, and with ruelene, which is an insecticide banned in the U.S.but still sold in other c...
UVic creates research chair on drinking water ecology
...g the research will be used by water utilities and forest
industries to optimize water quality, reduce treatment costs, and minimize disinfection byproducts such as chlorine. Environmental technology-based industries will develop new equipment, applications and services related to drinking water. And the fe...
Lemur 'Juliet' may be new subspecies; no mate for 'Romeo'
...e sifakas from a dwindling patch of the Mahatsinjo forest
in the depths of Madagascar. The animals that he and his colleagues sought are "diademed sifakas" -- the largest living lemur and considered among the most beautiful of primates, with lush fur of yellow, orange, gray, white and black. On Oct. 10, a...
Seeds suffer in rainforest fragments
... and have more light penetrating the canopy to the forest
floor, than continuous forests do. Those aren't th...e reproduction rate so low that the populations in forest
fragments would eventually die away. Bruna's research was conducted at the Biological Dynamics of Fo...
Lemur 'Juliet' dies in Madagascar
...." Glander also noted that the 600 acres of thick forest
in which the animals live is rapidly being eaten away by timber-cutting and slash-and burn agriculture. The death has prompted Glander and his colleagues to plan another rescue expedition to the area early this summer. Formerly, he had planned to re...
Lizard research bolsters theory that forest edges are hotbeds of speciation
...cademy of Science (PNAS) that natural selection in forest
peripheries, or "ecotones," may play an equally im...ks from eight paired sights in rainforest and open forest
in the Wet Tropics World Heritage area of North Queensland, Australia. "The differences in the sha...
New Cosumnes River research partnership announced
... natural seedbed. After the water receded, a young forest
of cottonwood and willow sprang up almost immediately. The 100-acre field now grows chest-high cottonwoods, willows and other native vegetation. The public can visit the Cosumnes ecosystem at the Cosumnes River Preserve. Information about the preserv...
Genetic extremism overstates risks
...move forward," said Steven Strauss, a professor of forest
science at Oregon State University and co-author of the paper. "As with any new technology, there are some concerns that we should deal with, both scientific and ethical," Strauss said. "But they are not major problems, and both the scientific commu...
Peter H. Raven voted president-elect of AAAS
...diameter at the base, houses a whole tropical rain forest
under glass. And a herbarium contains over 5 million specimens. Raven oversees a staff of 354 people, including 52 Ph.D. botanists, and a budget of $22 million. In 1987 Raven began the Flora China Project, a 20-year program that would turn out to be...
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