Tag: "forests" at biology news
Climate change isolates Rocky Mountain butterflies
in the Canadian Rocky Mountains are slowly isolati... to generate enough body heat in order to fly, and forests
are generally too shady for them and inhibit their ability to move. However, expanding forests
New study warns limited carbon market puts 20 percent of tropical forest at risk
...s, the authors say. Cutting and burning tropical forests
releases the atmospheric carbon they store, contri...ave focused on carbon credits for new or replanted forests
that replace the carbon storage services of destroyed forests. New rules being discussed by the U.N....
Tropical insects 'go the distance' to inform rainforest conservation
...-held belief that plant-eating insects in tropical forests
are picky eaters that stay close to home dining ... New Guinea and the United States. Tropical rain forests
are home to a rich diversity of plants, birds, insects and other animals, said Hulcr, an entomology ...
Rain forest protection works in Peru
...dy, primarily in two areas of the jungle where the forests
are accessible by roads. We found that only 1 to... the Peruvian government placed 31% of the managed forests
into permanent resource production. By 2005, a region about the size of Honduras (about 40,000 sq. m...
Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...ke a platform underneath vast expanses of northern forests
and wetlands that are rooted, literally, in melting permafrost in many northern ecosystems. But rising atmospheric temperatures are accelerating rates of permafrost thaw in northern regions, says MSU researcher Merritt Turetsky. In the report, The ...
Smithsonian scientists show differing patterns of rainforest biodiversity
...iodiversity may be more evenly distributed in some forests
than in others and, therefore, may require differe...on of the worlds remaining rainforests are lowland forests
in New Guinea, Borneo and the Congo and Amazon Basins. Many researchers have speculated that such lo...
Satellite tracking reveals threats to Borneo pygmy elephants
...orneo pygmy elephants depend for their survival on forests
situated on flat, low lands and in river valleys, ... that these elephants need to survive are the same forests
where the most intensive logging in Sabah has taken place, because flat lands and valleys incur the ...
Lost forest yields several new species
... Democratic Republic of Congo has uncovered unique forests
which, so far, have been found to contain six anim...ecies, the survey found that the region of gallery forests
and woodlands is extremely rich in biodiversity, containing a number of large mammals such as chimpa...
Chickadee, nutchatch presence in conifers increases tree growth, says CU-Boulder study
...nuthatches and warblers foraging their way through forests
have been shown to spur the growth of pine trees i...udy shows that the presence of these birds in pine forests
increased the growth of the trees by helping to rid them of damaging insects," said Mooney. "From t...
ESA announces 2007 award recipients
...omote habitat specialization by trees in Amazonian forests
(2004, Science 305:663-665). The William Skinner Cooper Award is given to honor an outstanding contributor to the fields of geobotany, physiographic ecology, plant succession, or the distribution of plants along environmental gradients. Fines co-auth...
Measuring nectar from eucalypts
...d Development Corporation and Forests NSW. State forests
provide the major honey resource for the beekeeping industry in NSW. While Forests NSW has a number of management practices in place to retain nectar-producing trees during logging operations, there has been no information on how much nectar is pro...
Smithsonian Fragmentation Project threatened by Amazon Colonization Plan
... doing could be more profitable for Brazil. Intact forests
could have great economic value in the long term for the purpose of stabilizing global climate and for conserving biodiversity. The scientists emphasize that such Brazilian agencies as the Ministry for the Environment and IBAMA, the national environ...
Increase in creeping vines signals major shift in southern US forests
...UMBUS , Ohio -- A new study of bottomland hardwood forests
in the southeastern United States suggests that th... Researchers charting the growth of vines in two forests
in South Carolina found up to a 10-fold increase in the number of vines in just two decades. Vines c...
Decoding mushroom's secrets could combat carbon, find better biofuels and safer soils
...ding the carbon cycling role of these fungi in the forests
and other ecosystems is a vital component of optimizing carbon management. That however is not the end of the mushrooms talents; several Agaricus species are able to hyper-accumulate toxic metals in soils at a higher level than many other fungi. Unde...
Californians urged to help reduce spread of Sudden Oak Death
...rrently infected, only 10.5 percent of the state's forests
considered at risk for pathogen establishment are currently infested. "There is still a lot of land out there for us to protect and an early detection, eradication, and containment program will help us accomplish this," said Susan Frankel, Sudden ...
Brightly colored birds most affected by Chernobyl radiation
...mined 1,570 birds from 57 different species in the forests
around Chernobyl at varying distances from the reactor. They found that populations of four groups of birds those whose red, yellow and orange plumage is based on carotenoids, those that laid the biggest eggs, and those that migrated or dispersed th...
Satellite survey links tropical park fires with poverty and corruption
...use the background level of fire in tropical moist forests
is low, so the presence of fire often indicates that humans are engaged in timber extraction, clearing land for agriculture or other land-use conversion. The frequency was based on fire detection data from NASAs satellite-based Moderate Resolution Im...
Loss of hemlocks will affect water dynamics in southern Appalachian forests
...tern hemlock, a keystone species in the streamside forests
in the southern Appalachian region, is already exp...iration rates, says Ford. For southern Appalachian forests
specifically, we estimate that eastern hemlock mortality could reduce annual forest transpiration by...
Greenland's ancient forests shed light on stability of ice sheet
... and insects." The research implies that ancient forests
covered southern Greenland during a period of increased global temperatures, known as an interglacial period. When temperatures fell again, the area became covered in ice. This ice sheet appears to have remained during the last interglacial period (1...
Oldest DNA ever recovered suggests earth was warmer than previously believed
...al forest DNA samples found in Greenland were from forests
that grew where the samples were found and were not from plant matter carried by wind or water from forests
elsewhere in the world. The DNA samples suggest the temperature of the southern Greenland boreal f...
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