Tag: "forest" at biology news
National Science Foundation awards $2 million grant to UC Riverside
...at which N affects different vegetation types from forest
to shrubland to desert is different, and the study will determine the different levels of sensitivity for each vegetation type. Future vegetation of the area will be modeled based on different levels of N emissions and different urban development sce...
A treatment, not a cure: Calcium silicate neutralizes an acidic stream
...ing over 70 scientists, has made the 3,160-hectare forest
one of the most intensively studied watersheds in the world. "Years of monitoring have documented that Hubbard Brook receives high levels of acid precipitation from emissions largely originating at Midwestern utility plants, as a result many streams...
Is more better: Counting birds may only tell part of the story
...bird populations have been shown to fare better in forest
interiors than forest
edges or fragmented forests. Bock and Jones suggest that, over time, some species adjust to these di...
Multi-species herbivore outbreak follows El Nio drought in Panama
Plant-eating insects inhabit all forest
ecosystems, but sometimes their numbers explode, r...Southern Oscillation (ENSO) event in a dry lowland forest
near Panama's Pacific coast. If ENSO events become more common, repeated herbivore outbreaks might a...
Globetrotting pollutants turn up on Toronto street
... Toronto have detected migratory pollutants from a forest
fire in Quebec and even particles from a sandstorm... Applied Chemistry. "We happened to know when that forest
fire was happening in Quebec and we realized that this mixture of different particles that we found ...
Citizen environmental monitoring in Appalachia
...ocus on the role volunteers can play in monitoring forest
health and measuring how sustainably the forest
is being managed. ...
Three years of Proba, the 'smart' satellite that runs itself
...ed Detection). CHRIS has been reacquiring sites of forest
fires previously detected by BIRD to identify the extent of the burnt area and identify any vegetation regrowth, in order to study the long-term effects of the blazes. In a related field, CHRIS images have also been acquired on behalf of the interna...
Cars, not crops, should be chief targets in reducing greenhouse gases
...rting one third of all croplands to carbon-storing forest
plantations, they calculated. In contrast, they noted that cars and light trucks emit roughly 20 percent of carbon dioxide emissions. Thus, a doubling of fuel efficiency in such vehicles for example through hybrid gas-electric vehicles cou...
Almost good enough to eat
...h and piranha. The marine fishers on the Atlantic forest
generally avoided tuna, rays, and sea catfish. The researchers especially noticed that food taboos were different, depending on people's health status. Predatory fish are often tabooed for the ill, while fish that eat plant matter, invertebrates, or...
Chimpanzee 'workshop' discovered in Congo
...d, this discovery would not have been made and the forest
and the chimps would have been lost," said Steve Gulick of Wildland Security. "At the same time, this study makes one wonder about the unnamed and never-to-be-known Goualougos now threatened before the saw."...
Government development policies, not communities, main threat to forest conservation projects
...u has auctioned off almost 7.5 million hectares of forest
in private logging concessions, in a system that e...heir lands. Currently, this is the main threat to forest
conservation, and reflects a global trend towards privatisation of forests for commercial exploitati...
...study showed that non-native rainbow trout usurped forest
insects that fell into the stream, depriving nativ...e forest. In turn, this caused a 65% reduction in forest
spiders that, like other forest-dwellers such as birds and bats, prey on insects emerging from the s...
Reports says Uganda's forests worth $350 million/year
...ng up to 36 percent of their income with renewable forest
products. The authors of the report found that forest
products such as charcoal and firewood contributed between 8 and 36 percent of the annual income of ...
Story tips from the Department of Energy's Oak Ridge National Laboratory
...stream water was highly seasonal and responsive to forest
processes, with greatest removal occurring in the autumn and early spring. "This research demonstrates the strong effects of streamside vegetation and points to the important role of streams in preventing high nutrient exports and the eutrophication ...
US trees affected by growing number of health concerns
... Minn. (November 30, 2004) - A number of emerging forest
health issues are affecting the overall vitality o...op additional methods of disease control. Critical forest
disease research is conducted by plant pathologists in the U.S. Forest Service and at a number of un...
Fragmented habitats no ultimate refuges for forest-dwelling tropical birds
...ened with extinction in this coastal strip of rain forest
than anywhere else in the Americas," Pimm said in ...ears. As a consequence, very little of the coastal forest
in the lowlands now remains. Much of what remains is in impenetrable mountains." Deforestation along...
Stanford biologist working to restore native forests to Hawaii
...a tree native to the islands. A cornerstone of the forest
ecosystem, the tree also is highly valued for its ...degrees of tree cover, including pasture, restored forest
and mature forest. Doctoral student Joshua Goldstein is conducting the financial research. He is wor...
New forest technologies for small-diameter timber
...14-15 to explore different ways to effectively use forest
resources to reduce fire risk and restore forest
health. Overstocked stands of dead and dying trees are a concern throughout the West because they in...
Global bird populations face dramatic decline in coming decades, study predicts
...atic loss is expected to have a negative impact on forest
ecosystems and agriculture worldwide and may even encourage the spread of human diseases, according to the study published in the Online Early Edition of the Proceedings of the National Academy of Sciences (PNAS) in December. "Our projections indicat...
In wake of Lyme disease vaccine for people, mice may be next in line for shots
... Lyme disease. It proposes that ground zero is the forest
floor, and immunizing the tiny critters there offe...Lyme disease pathogen distributes itself among the forest
animals. She spent summers in 1998 and 2001 with a team of field assistants in 12 different forested...
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