Tag: "snow" at biology news
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...when seawater evaporates and later precipitates as snow
or ice. Since foraminifera also reside in seawater, and preserve an isotopic record of its composition, those that lived during glacial times should have higher ratios of oxygen 18 than those that didn't. Foraminifera shells also take up more of one ...
Widespread Genus Of Monkeys Gives Up Genealogical Secrets To Columbia Researchers
...ich the Rh blood factor was isolated, the Japanese snow
monkey and the Taiwanmonkey. In fact, the more recent Columbia studies find that the various speciesthought to be closely related to the long-tailed macaque simply share with itancestral characteristics, and have no special genetic proximity to thel...
Weary Tibetan People Find Supporting Hand In ASU Graduate Student
...and frostbitten herders, some of whom also suffer snow
blindness. The nomads, who live at an elevation o... are temporarily in a neighboring county where the snow
fall was less, and their livestock have a better chance of survival. In February, Foggin surveyed ...
Does Mountain Living Slow Rate Of Molecular Evolution?
... level to the equatorial snow
line at more than 5,000 meters. Using a technique that combines the DNA of different species, Bleiweiss was able to compare and chart "genetic ...
Detecting Deer: New Method For Counting Population In Urban Areas
...pography covered by about six inches of snow. The snow
is helpful as a visualaid to distinguish deer from... Sexton and his colleagues chose helicopters and snow
cover as the best methodfor the deer census over a number of other tried, though not always proven,m...
Life On The Edge
...on isless than 12 inches, most of which arrives as snow
in winter. The temperature,pressure, and low humid...ms: Aquaspirillum arcticum: a bacteria found under snow
and ice in the CanadianNorthwest territory that produces cold-shock proteins and cold-acclimationpro...
First North Americans Had Chance To Be Avid Birders
...includethe earliest evidence in North America of a snow
bunting, as well as theearliest record in Canada of a snow
goose, a phoebe, and the American widgeon. The great diversity of birds at this single site during, ...
Stakeholders improve global change assessment
...eather. This group saw high winds, flooding, heavy snow
and ice asdetrimental to their management efforts, which are aimed at producing timber forsale, watershed protection and aesthetics. They did not perceive temperatures asimportant. Forest managers view things on a long scale with trees taking 30 ormo...
Salamanders may one day monitor degradation in small streams
...high aluminum in the spring when rains and melting snow
greatly increase streamflow. In the summer and fall, these same streams are not as acidic. Streams suffering from acid mine drainage (AMD) are abundant inPennsylvania and the Appalachians and occur when coal-bearing rock is exposed tow...
Wolf response to climate change can impact ecosystem
...long the shoreline of the island park during heavy snow
conditions and this increased encounters between the two species and made more old moose and calves available to wolf predation. The greater food supply for wolves during snowy winters made them healthier and able to reproduce more successfully, acc...
Global warming threatens state's quality of life
...more winter flooding and a smaller spring mountain snow
pack, he said. And with less water stored as snow, the state will find it more difficult to maintain water supplies through summers expected to be 1 to 2 degrees hotter. "There will be too much water at the wrong time and too little when we need it...
1999 Fall Meeting: Press conferences and special events
...ant ice streams, some dynamic and some placid, and snow
dunes that stay in place despite fierce winds. It all affects global climate. Solar Moss Discovered Tuesday morning. Moss discovered on the Sun! Well, not exactly, but scientists using the TRACE spacecraft have discovered a mixture of coronal chrom...
Fall Meeting: updated press conferences and special events
... push icebergs into the sea; long, sinuous rows of snow
dunes that are subjected to fierce, constant winds, but hold their places for decades; and warped ice layers, hundreds of meters below ice ridges, which record the history of ice streams, some dynamic and some quite stable. Panel: Mark Fahnestock, gl...
Illinois waterways, waterfowl detailed in new book
...uck, hooded merganser, Canada goose and the lesser snow
goose. The book and the abbreviated field guide are newly published by the Illinois Natural History Survey (INHS). "The information presented in this endeavor will be of interest to those who appreciate the wetlands and the water birds they sustain ...
Aerosol pollutants in atmosphere likely masking global warming
...fy clouds over large land areas, suppress rain and snow
and are responsible for reflecting significant of ... up the pollution tracks were prohibiting rain and snow
from falling downwind from the sites. Since each cloud droplet must form on a pre-existing partic...
Biological legacies a key of ecological rebirth after Mount St. Helens eruption
...as logging. On and around the mountain, layers of snow
and soil helped preserve plants and animals. At the higher elevations the relic sites were the size of a living room or smaller, according to UW botanist Roger del Moral, whose teams have worked at sites above 3,500 feet on the north side and above ...
Spring meeting press conferences
...nts in Coastal Waters Atmospheric inputs via rain, snow
and particle/gas deposition can be an important source of chemicals to the coastal environment. Recent studies have focussed on measuring these inputs relative to other sources (urban runoff, riverine inputs) and the processes involved. These studies...
Discovery shows how brain 'fills in blanks' to help us see
...se" -- gray, black and white pixels similar to the snow
on a de-tuned television. The square shapes were either real, illusory, blocked or fragmented. Because the objects were difficult to see, sometimes they appeared fat or thin, depending on the background noise. (The sides of fat objects bend outward w...
NSF-funded researchers discover evidence of microscopic life at the South Pole
...t elsewhere in the solar system. Furthermore, the snow
bacteria may possess unique enzymes and membranes able to cope with a subzero existence. The team was careful to take samples at the edge of the clean-air sector at Amundsen-Scott South Pole Station to prevent contamination of the samples by bacte...
Arctic temperatures warmest in past four centuries, study says
...eric circulation observations, precipitation data, snow
cover and snow
depth records. The study also included sea ice measurements, ocean structure data, permafrost tempe...
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