Tag: "winter" at biology news
Endangered North Atlantic right whale study says population in crisis
... Fundy, with females and calves most often seen in winter
months off the coast of Florida and Georgia, their only known calving ground. That area is also close to shipping lanes where large vessel traffic has increased since 1980. More than 60 percent of the North Atlantic right whales have scars from entan...
Study in Royal Society journal on holly as an indicator of climate change
...pansion is in concert with the gradual increase in winter
temperature measured at local stations. The synchrony of measured and modelled increases in winter
temperatures and observed shifts in species' distribution suggests that climate change is the respon...
Jet skis and quad bikes help scientists predict and monitor storm damage
...gineers to measure and predict storm damage. Every winter
hundreds of British homes are at risk from being f...re." The work has led to a computer model of how winter
storms are likely to affect the East Anglian coastline in the future. This will help coastal engine...
Siberian tigers hang tough
...ppear to be stable, say the coordinators of a 2005 winter
effort to count the animals, led by the New York-b...ed Wildlife Conservation Society. After a massive winter
endeavor to determine distribution and abundance of tigers in the Russian Far East, the last strongh...
Elusive salamanders have role in developing new sampling models
...eggs in wetland depressions in the late fall. With winter
rains, the ponds rise and the eggs hatch in December, January and February. Larval development lasts through May. The larvae then undergo metamorphosis and leave the ponds as terrestrial juveniles. Juvenile and adult salamanders may move 400 or more ...
Shift of weather patterns necessitates rethinking of reforestation methods
... seedlings and planting in the fall instead of the winter
or early spring. In 2000, a Texas Forest Service survey showed Texas had 12 million acres in forest land, all of it in the East Texas Piney Woods area. Approximately 61 percent of the forest land was owned by non-industrial private forest landowner...
K-State professor studies how landscape dynamics affect extinction risk for migratory songbirds
...g there, the birds then migrate south to spend the winter
months in Central and South America. With's research objective was to assess how chronic habitat loss can impact extinction risk for migratory songbirds. With said habitat loss and fragmentation are considered to be the greatest threats to biodiversi...
Road salt affects mitigation wetlands
...bly in New Orleans. "We recorded peaks during the winter
as high as 10 to 12 parts per thousand in the runoff wetland and 2.5 to 3 parts per thousand in the other affected wetland." Freshwater has zero salinity, while seawater has a salinity of about 28 parts per thousand. Silver has also tested all six ...
Racehorses, asthmatics, meatpackers may have similar etiology of airway disturbances
...uggests these kinds of experiences, also shared by winter
athletes, sled dogs, meatpackers and even fisherman, may be the beginning of a cascade of events leading to more serious conditions later. Similarly, both athletes and horses seem open to infection after such strenuous bouts of activity as handicap...
News tips: NASA presentations at Annual 2005 Joint Assembly Meeting
...urrent understanding of the nature of western U.S. winter
storms that often batter the coastline over a few week period, and how their occurrence and evolution is impacted by El Nino/Southern Oscillation and the Madden Julian Oscillation. Time/Location: Wednesday, May 25 at 9:45 a.m. EDT (8:45 a.m. local CD...
Plunge into warmer waters this summer with ESA's Mediterranean heat map
...esterday, as the waters warm up from the depths of winter
to the start of summer. "Every day at 1200, a two...erican and two Japanese. "The animation shows the winter
cooling of SST that propagates eastward. Superimposed on this large-scale seasonal signal, we can al...
Mice brains shrink during winter, impairing some learning and memory
...he mice conserve energy to survive during the cold winter
season when food is scarce and conditions are hars...ere kept in short days such as they would face in winter
with eight hours of light per day for 13 weeks before the beginning of the study. Other mice were k...
Microbes yield secrets of survival
...tures engineered to keep their inhabitants warm in winter
and cool in summer. Physicians tend to the sick; police and firefighters protect the public. Communities of microorganisms, researchers are finding, exhibit very similar behavior genetically evolving, specializing and cooperating in ways that allow...
Research takes big picture of wheat streak mosaic
...heatwould break the cycle between summer hosts and winter
wheat emerging inthe fall." No chemical application is available to treat the disease and miticideshaven't proven effective, he said. The best control method is to destroyvolunteer wheat, so the curl mite can't survive. The information Jones ho...
Wild grasses and man-made wheats advance research capabilities
...dy developed through CIMMYT. Crosses between Texas winter
wheat and117 CIMMYT synthetics have already been made and another 1,100 crosses areexpected to be made available to U.S. researchers, he said. "We want to look at them for the forage characteristics they may offer,which have not been evaluated," R...
Respiratory syncytial virus poses a significant threat to elderly
...6 percent of hospitalizations for pneumonia during winter
months, 11.4 percent for those with chronic obstructive pulmonary disease, 5.4 percent for congestive heart failure, and 7.2 percent for asthma. Although RSV disease was somewhat milder when compared to influenza A, RSV infection was more common. The...
Migration study finds that sweeping management changes are needed to protect Atlantic bluefin tuna
...k for helping our team round up the giant tunas in winter
seas for tagging," Block says. A total of 499 tags were "archival" tube-shaped devices with external sensors that the scientists implanted inside individual fish during shipboard surgeries. A $1,000 reward was offered to anyone who recovered an archi...
PNAS highlights for the week of April 25-29
...rhythms of the chestnut tree go silent during cold winter
months, according to researchers. Winter dormancy ...clock-fashion during simulated summer days. During winter
days, however, expression levels ceased to oscillate and remained high. The researchers encountered ...
NASA study finds snow melt causes large ocean plant blooms
A NASA funded study has found a decline in winter
and spring snowcover over Southwest Asia and the H... The study is in thisweek's SCIENCE magazine When winter
and spring snow cover is low over Eurasia, the amount ofsolar energy reflected back into the atmosph...
Water and the environment
ALEXANDRIA, VA This winter
has brought unusually deep snow packs to the Sierra Nevada, andtorrential rains to California, and even though 2004 was a wet year for much of the Southwest, theeffects of the multi-year drought are not over. It will take years of high-precipitation ...
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