Tag: "south" at biology news
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
... bottom currents of colder waters flowing from the south
polar region. The ostracod calcium-magnesium records also show changes in bottom temperatures that are consistent with the geological record of glacial cycles as well as with known shifts in the Earth's orbit that are suspected to drive the glacial c...
Core Spins Faster Than Earth, Scientists Find
...h's magneticfield, including the way the north and south
poles have "wandered"and reversed periodically over Earth's history. It will yieldnew knowledge about temperatures at the center of the Earth andthe flow of planetary heat that ultimately drives the motionsof tectonic plates at Earth's surface to cre...
Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...y researcher suggests that many songbirdsmigrating south
each autumn may switch from typical meals of insec...n by predatory falcons and hawks that also migrate south
each fall. To find out whether fall migrants preferred fruit-laden habitat or selectedtheir habitats...
Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool
...nd after" pictures. Theaircraft will fly north and south
to cover a 30-mile (48 km) square centered on Atlanta. In addition to kids at 10 schools - the heat island experiment will involve water vapor data taken by instruments carriedaloft by balloons, and sunlight measurements from shadow band radiometers...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
...o penguins is when they migrate north in April and south
in September. The oil-covered carcasses of banded birds from the colony have been found along the coasts of Argentina, Uruguay and Brazil. The UW researcher calls for the creation of marine management zones in which commercial fishing and oil trans...
Coming Extinction Of One Of UK's Most Minuscule Plants Yields Information On Climate Change
...he Faroes, and Iceland. It also occurs around the south
pole in places such as Tierra del Fuego. Dr Barry Meatyard from the University of Warwick's Institute of Education is directing a project to monitor the growth of the plant over a number of years and to relate that information to climate change and...
Study Focuses On How Plants Help Toxic Pollutants Travel Around The World
... 600-cubic-meter facility located inAshford, N.Y., south
of Buffalo. Owned and maintained by Calspan SRL Corp., theenvironmental test chamber is one of the largest such facilities in the UnitedStates. According to Hornbuckle, retrofitting of the facility will begin thisfall, followed by two years of testin...
Planned Burning In Forests A Boon To Several Species Of Birds In Illinois
...he SandPrairie Scrub Oak State Natural Area to the south
in Mason County. "When you burn, some bird species go down in abundance," hesaid. "Fire selects against those species, but it enhances some otherspecies." Among the species benefiting in Illinois is thered-headedwoodpecker -- whose presence in the...
Fossils Show British Columbia Was Once 2,000 Miles South
...onclusion was that the rockswere formed far to the south
70 to 80 million years ago, based on the evidenceof fossil dating. Ward concedes that criticisms are certain to be leveled at the newfindings. Some geologists have theorized that the sedimentary rocks in theregion of British Columbia have bee...
Disease Takes Its Toll On Waterfowl Populations
...ions hold, this year 92 million ducks will migrate south
from their northern breeding grounds. Many factors will challenge the survival of these migrants, one of which is disease. According to Dr. Lynn Creekmore, hundreds of thousands of waterfowl are presently dying from avian botulism in flyway stagin...
Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...ateau, the South American Andes, and the north and south
polar regions. A project by Lonnie Thompson and Ellen Mosely-Thompson, glaciologists at Ohio State University (OSU), and their colleagues will resuscitate microorganisms from ice cores kept at OSU's Byrd Polar Research Center, and use recovered DNA...
10,000-Year-Old Clues Suggest Future Forest Changes
... During the ancient warming period, forests on the south
coast had more abundant Douglas fir, alder and bracken ferns than today. "All three species growafter a severe disturbance such as fire. We have found a large amount of charcoal in the lake bottoms dating to that period (7,000-9,000 years ago) indica...
Worm Wizardry: World's Most Heat-Tolerant Creature Suggests Enzymes For Drugs OrIndustry, UD Prof Says
...ips to theAxial Summit Caldera, west of Mexico and south
of Baja, Calif. (9 degrees northand 105 degrees west of the equator). At this site along the East Pacific Rise, the Earth's crustal plates are movingapart, creating hydrothermal vents and geysers that spew a hot, toxic brew ofhydrogen sulfide and he...
$2 Million Dollar Grant Funds Salton Sea Web Site
...andlocked lake, the Salton Sea is located 30 miles south
of Indio ina desert valley 278 feet below sea level. The lake stretches across Riversideand Imperial counties and measures 40 miles long and 17 miles wide.It is the major Pacific Flyway stopover each year for more than 1 millionmigratory birds-380 of...
Smog Spreading To South Pacific
...ngeles or the seeminglypristine environment of the south
seas, Rowland said, the chemistry behindtropospher...r away as Africa. Yet, by the time it reached the south
seas, Rowlandsaid, "its ozone concentration was high enough that you would say this is aviolation of...
Among Wrens, Moms Teach Daughters To Call, Dads Teach Sons, Study Reveals
...while tape recordingtheir sounds on a cattle ranch south
of Caracas, Venezuela, a young Universityof North Carolina at Chapel Hill biologist has discovered that certain malesongbirds learn calls only from their fathers. Conversely, females of thespecies -- stripe-backed wrens -- learn calls exclusively fr...
Purdue Herbarium -- A Noah's Ark For Egyptian Plants
...ile canal that pumps water from Lake Nasser in the south
to more than 415,000 acres of desert in the central section of the country. "There are two ways to look at it," says Anthony Swinehart, curator of the Purdue Department of Botany and Plant Pathology's Arthur and Kriebel Herbaria, which houses a catal...
Pollution, Food Stress Take Toll On Bald Eagles
...thy chicks. The area of concern lies just south
of the Crofton pulp and paper mill,and is part of ...ributing to the eagles' difficulties, particularly south
of the millwhere the tide sweeps effluents into a large, reservoir-like bay. "All thecontaminants we...
USGS Scientists Learn Lessons From Captive Released Manatees
...wandered offshore into deepwaters where he drifted south
with the currents. After 30 days, he was 284miles from his release site." Almost 300 manatees have been radio-tracked along Florida's coast in the past 20years. Mo is the first manatee documented to move so far offshore, more than 60miles from Ke...
Tourists And Scientists Could Be Bringing Deadly Diseases To Antarctica's
... Argentinian scientists reported that 19 brown and south
polarskuas died from infection with a hyphomycete ...epticaemia on the Auckland Islands, 600 kilometres south
of New Zealand.Biopsies revealed Salmonella and a second, unidentified bacterium. Although s...
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