More To Drought Than Meets The Eye
...dvalley province of Pennsylvania -- ridge, valley, barren and riparian. The ridge tops were the driest areas and the riparian areas near riversand streams were the wettest. The valley makes up a moist intermediate soilclimate and the barrens are moist to dry.Five or six species of tree were investi...Trees, Grass Foster Children's Play And Encourage Adults To Supervise
... 3-12) played in areas with trees and grassthan in barren spaces. Creative forms of play occurred considerably lessfrequently in non- or low-vegetation areas. "I think from a policy standpoint, the findings about more playare exciting, because play in general has important implications in children'sdevelo...This Year, Earth Day Is All Wet
Take away the oceans and the planet is a dry, barren place, unable to supportthe multitudes of species -- including humans -- who rely on the rich marineresources the ocean provides. Almost three-quarters of the planet is covered by water, and that water's vitalimportance to daily life is the focus o...Life In Antarctic Ice May Compare To Mars
...le population of bacteria. "This is a very barren environment with virtually nothing we usuallyassoc...tions may exist that are similar to those found in barren Antarctica -Mars, and a large moon of Jupiter, Europa. "It's been suggested that Mars is too...NSF-Funded Researcher Plucks Four Unknown Fish Species From Antarctic Waters
...nent are now so cold, they also must be relatively barren and uninterestingin an evolutionary sense. The variety of species in the waters of the Antarctic shelf, whichtypically are no more than 500 meters deep, differs sharply from similar, moretemperate waters, such as in the Delaware Bay. In those wate......at Earth's landscape at that time was covered with barren rocks harboring nothing more than some bacteria and possibly some algae. No undisputed fossils of the earliest land plants and fungi have been found in rocks formed during the Precambrian period, says Hedges, possibly because their primitive bodies ...New insect order discovered for first time since 1915
...lated from other mountains by hundreds of miles of barren sand. This discovery, the first of its kind in 87 years, is naturally thrilling for scientists, but is also significant for conservationists. says Naskrecki. These creatures are some of the last witnesses of the time when Africa and America were par...Study of fossils found in arctic shows plants more developed at earlier time
...m out from exposed slopes on the almost completely barren island. Although we worked in July, some days it stayed near freezing all day long. When these plants were alive this land lay near the equator. The team dated specimens by finding them in the same layers as several tiny invertebrate fossilized anima...Clover strip-cropping in cotton provides critical habitat for threatened songbirds
... much as fields with the living clover. The brown, barren landscape beneath the conventional cotton crop supported very few insects and offered no cover. "Many people fail to realize that cotton fields are wildlife habitat," said UGA wildlife researcher John Carroll. "The key now is understanding how we can...Without blue crabs, southern salt marshes wash away, study finds
...e snails will convert a southern salt marsh into a barren mudflat within eight months, said lead scientist Brian Silliman. "Cut back the blue crab harvest, because even if we're half right, the results of over-harvesting could be disastrous," said Mark Bertness, the project's senior researcher. Their findin...Scientists find evidence for crucial root in the history of plant evolution
...grated from the shallow seas of early Earth to the barren land of the continents, life as we know it might never have emerged. And now it appears this massive floral colonization may have been spurred by a single genetic mutation that allowed primitive plants to make lignin, a chemical process that leads to...Deer help disperse seeds--including noxious weeds
...vegetation millennia ago and then receded, leaving barren soil in their wake. The study by Vellend and his colleagues was the first comprehensive test of seed dispersal by white-tailed deer, which are known to researchers by their scientific name, Odocoileus virginianus , and to long-suffering gardeners ...Weather extremes shed light on prairie's past and environment's future
...elers view much of the Midwest as little more than barren flatlands. The formation of the region and its rich soils, especially tall grass areas that seemingly should support diverse forests, however, have long fascinated scientists. Newly available, long-term climate data now say the area is the product ...Purdue researchers solve decades-old corn, sorghum problem
...xcessively tall. In addition, br2 tends to produce barren plants when grown at high densities. Furthermore, the equipment in use in the United States today would not be able to effectively harvest significantly shorter plants, he said. However, he said the discovery of the dwarfing mechanism may renew inter......-- but all are great leads to fill these otherwise barren winter months. This monthly collection can help you cover ongoing earth and natural science research and investigations at USGS--photos and web links are provided to enhance your story. Included this month: California High Schooler Sparks Radon Pr...Rice centromere, supposedly quiet genetic domain, surprises
...search in Rockville, Md., has exposed a supposedly barren region of a rice chromosome known as the centromere. The work, published in the current (Jan. 11) online editions of the journal Nature Genetics, reveals for the first time that a native centromere, typically composed of enormous spans of indeciphera...UF study: Barren Siberia, of all places, may be original home to animal life
... originated in a place known today largely for its barren lifelessness: Siberia. The finding is one of the conclusions of a two year study by geologists at the University of Florida and University of Kansas that is scheduled to appear next week in the online edition of the London Journal of the Geological ...Human chromosome 5 final sequence analysis released to public
...ed "junk DNA," but in recent years those seemingly barren regions have taken on greater prominence as researchers have learned that they can control the activity of distant genes. Some of the noncoding regions have also stayed remarkably consistent compared with those in mice or fish rather than accumulatin......urprising habitats for life. The Poles are not the barren wilderness, devoid of life as we previously thought"....