Tag: "northern" at biology news
MBL scientists to present results of long-term ecological research at NSF meeting
...orth Slope, the Plum Island Ecosystem LTER site in northern
Massachusetts, and the Harvard Forest LTER in central Massachusetts Poster titles, presentation times, and MBL authors are listed below. To review all meeting abstracts, visit http://www.lternet.edu/asm/2006/posters/posters.php . Note: authors w...
Carnegie's Joseph G. Gall wins 2006 Lasker Award
...th As a teenager, Gall spent summers on a farm in northern
Virginia, where his interest in the natural world flourished. "After much urging, my parents bought me a microscope when I was 14 years old--not one of the toys I had struggled with up to that time, but the real thing," he reflected. Without a local ...
Cassini's Visual and Infrared Mapping Spectrometer detects vast polar ethane cloud on Titan
...ast polar ethane cloud when it probed Titan's high northern
latitudes on Cassini flybys in December 2004, Augu...IMS saw only part of the cloud because most of the northern
polar region is in winter's shadow and won't be fully illuminated until 2010, Griffith noted. "Our...
Siberian lakes burp 'time-bomb' greenhouse gas
...ase the present estimate of methane emissions from northern
wetlands by between 10 and 63 percent. Walter studied a unique type of permafrost in Siberia, called yedoma, which contains an estimated 500 gigatons of carbon, largely in the form of ancient dead plant material. "This material has been locked up i...
Evolution of Old World fruit flies on three continents mirrors climate change
... are now found from near Santa Barbara, Calif., to northern
Vancouver Island in British Columbia. The first samples of chromosome inversions were collected at several sites in Europe three to four decades ago, and the same sites were sampled again recently. South American flies were sampled for chromosome ...
NASA study solves ocean plant mystery
...missing for algae growth and photosynthesis in the northern
portion of the tropical Pacific, while it was iron that was most lacking everywhere else," said Michael J. Behrenfeld, an ocean plant ecologist from Oregon State University, Corvallis, Ore. Scientists determined when phytoplankton is stressed from ...
Iron critical to ocean productivity, carbon uptake
...e the tools to determine that," he emphasized. The northern
portion of the tropical Pacific is more nitrogen-stressed and doesn't have the "false greenness," according to Behrenfeld. The researchers are creating new models of carbon cycling using NASA satellite imagery which they have calibrated using their s...
Avian flu detection information on wild birds available
...continue as birds begin migrating south from their northern
nesting grounds. Data from three of the wild bird surveillance plan's five strategies for early detection of HPAI are now viewable on HEDDS: sample numbers from (1) live wild birds tested, (2) subsistence hunter-killed birds, and (3) investigations o...
Biological pest control becomes an economic reality
... control company, Bio-Bee Sde Eliyahu in Israel. A northern
and southern European collaboration, Koppert from the Netherlands contributed its experience of northern
European insect pests and its knowledge of technologies for coating nutrient and other liquids. N...
Manatee traveler in northeastern waters not Chessie
...hessie or other manatees will occur again in these northern
areas." These huge, harmless, plant-eating marine mammals usually swim slowly and prefer shallow habitats. Manatees are an endangered species, protected by federal law....
Virus has 'catastrophic' affect on red squirrels, research shows
...rrels in some of the areas in which they remain in northern
England within 10 years. In areas where the virus has been detected, the rate of decline in reds is 17-25 times higher than in places where there has been no outbreak. Until now the reds' main survival challenge was believed to be competition with...
Burning wetlands unleash sequestered mercury in wake of climate change
...e waking of a dangerous sleeping giant in the most northern
wetlands of North America mercury. Released in... The report, "Wildfires threaten mercury stocks in northern
soils," appears this week in the online edition of Geophysical Research Letters. "This study make...
Ancient Arctic water cycles are red flags to future global warming
...d storms that occur when warm air masses meet cool northern
fronts. During the PETM, temperature differences from the tropics to the poles were lower, reducing rainfall between the subtropics and the North Pole and increasing the amount of water transported to the Arctic, said Pagani. It looks like a substant...
Mussels evolve quickly to defend against invasive crabs
... America?" Freeman exposed mussels native to the northern
above mid-coast Maine and southern New England t...t immediately obvious, Byers suggests that perhaps northern
Maine and Canadian shellfishers might consider "beefing up the worldliness of their nave mussel popu...
Arctic nations' wealth key to management of climate change
... policy change deal with enhancing the capacity of northern
regions to be flexible and adaptable to cope with changes, some of which we can predict, and others of which will be surprises," said Chapin. An increasingly ice-free Arctic Ocean could be zoned to include marine protected areas, designated shippin...
Case Western Reserve University paleontologist discovers South American mammal fossils
.... Hegetotheres are relatively rare fossils in the northern
part of South America; the Quebrada Honda site is ...a they have been found and the seventh site in the northern
half of the continent. "As the first member of its family known from this particular time interva...
Invasive species alter habitat to their benefit
...to tease out the cause of environmental changes in northern
Michigan wetlands where invasive cattails have tak...erference?" Farrer began by surveying marshes in northern
Michigan to find out what kinds of cattails were there. The state is home to three cattail species: ...
USGS Science at Ecological Society of America
...ta were particularly destructive to forests of the northern
Gulf Coast, damaging or destroying timber on nearly 450,000 hectares in Louisiana. Pearl River floodplain forests suffered 50% mortality in plots not dominated by baldcypress-tupelo gum, while mortality was only 14% in baldcypress-tupelo gum plots. T...
The Midas Bug -- the bacterial alchemy of gold
...or Miss gold mines in southern New South Wales and northern
Queensland, respectively, led to a series of discoveries, which showed that specific bacteria present on these gold grains precipitate gold from solution. "The origin of secondary gold grains is a controversial topic that is widely debated within t...
Domestic violence during pregnancy increases risk of early childhood mortality
...and women living in Uttar Pradesh, a poor state in northern
India with high levels of both domestic violence within marriage and early childhood mortality. The men's survey included data related to incidents of domestic violence, whereas while the women's survey included data on infant and child mortality. Fr...
1 2 3 4 5 6 7 8 9 10