Tag: "climate" at biology news
Congress briefs: International congress on ecosystem health
...hwill discuss human health risks related to global climate
change. As theworld's climate
changes, temperature and rainfall are expected to fluctuate, inmany cases encouraging the growth of ...
Population shifts, not storms, have caused rise in property losses
...geand overall wealth, you can readily see that the climate
is not changing, weare," he said. "The increasing losses really are theresult of an increased target-at-risk." Such factors previously were not used in the loss equation. Without accountingfor these factors, loss reports have helpedcreate "the impres...
UW professor's climate change theory leads to NASA mission
... of those submicron-sizedparticles in human-caused climate
change. The mission will use light detectionand ra...decline quickly, raising the prospect of morerapid climate
warming. Charlson was among the first to propose that aerosols reflect enough sunlightaway from Eart...
Ice-covered antarctic lake may harbor unknown life
...at the lake bottom may contain a record of ancient climate
conditions. Robin E. Bell, a geophysicist and a co-editor of the report, says it"illustrates the emerging importance of the lake for understanding the processeswhich may have triggered the evolutionary explosion on earth and perhaps onother planets...
Geologists at UNC-CH discover state's 'most spectacular' fossils
...urstoo, but then went extinct, possibly because of climate
change and a globalcatastrophe such as a comet impact. Dinosaurs then got bigger, dominated mammalsand went extinct themselves about 65 million years ago." Because it has not been published yet, Carter cannot disclose theproposed scientific n...
LSU Ag Center researchers look for better ways to assess pollution in Tangipahoa River
...researchers believe this occurs because the warmer climate
in the South hasallowed these forms of coliform to...at appear to adapt and grow in the south Louisiana climate
differently fromsimilar organisms in northern areas," she says. "When we're looking for E. coli w...
Ship sulfur emissions found to strongly impact worldwide ocean and coastal pollution
...portant uncertainties in understanding the rate of climate
change, or globalwarming, because clouds reflect energy and thereby reduce the net warming effectof long-lived greenhouse gases." "Since aerosols have a much shorter lifetime in the atmosphere -- about aweek compared to decades and hundreds o...
Tiny mites protect vineyards from mildew
...d that the acarodomatiaprovide the mites a healthy climate
in which to live and reproduce, but theresearchers now believe the most likely explanation is that acarodomatia providethe mites protection from their predators. "Our research shows that acarodomatia provide a defense mutualism betweenbeneficial mit...
Primate genus sheds light on great ape and human origins, as reported in
...sin has alsoproduced a wealth of information about climate
and the evolution of other animalspecies from this time period. Ward, Hill, and members of the team from the National Museums of Kenya came uponthe Kipsaramon skeleton after searching uphill from a large number of isolatedteeth that had washed into ...
Early detection of Global Change 'symptoms' on the protected areas to be discussed in Italy
... The Calderone glacier in the Gran Sasso Parks: a climate
indicator Changes in the oldest Italian park: Parco Nazionale d'Abruzzo Establishing parks in a developing economy The conference will be held in the Medieval town of L'Aquila at the CongressCenter of Hotel Duca degli Abruzzi. For further details ...
Media Advisory: The Geological Society of America 1999 Annual Meeting
...topics include the search for causal mechanisms of climate
change andimpacts on organisms and ecosystems. (Note: The cycle of "icehouse/greenhouse"regimes is addressed in Session T40, "The Tropics Compared: Icehouse andGreenhouse States.") PLANETARY SCIENCE PARDEE KEYNOTE SYMPOSIUM: "IMPACT EVENTS: E...
Hurricane Floyd signal of a new weather era?
...what is happening, you have to look at some of the climate
forcesthat are driving it." What's happeni...ped with some pioneeringwork by oceanographers and climate
experts Wallace Broeker and William Gray inthe early 1990s. They identified a global scale current t...
USGS releases assessment of nation's biological resources
...ng land- andwater-use changes, non-native species, climate
change, environmentalcontaminants and harvest together is often what is causing the most significantdeclines in our nation's plants, animals and ecosystems, he said. "Man's impact on the earth is accelerating," said Groat. "We continue toexperience ...
USGS studies wildfire ecology in the western United States
...as been, on a scale of centuries, an ever-changing climate
and fire regime. The historical record shows a shi...ans has done more than the last three millennia of climate
and fire regime changes," Stephenson says. "Essentially, when you exclude fire, sequoia reproduction...
A miserable life on overcrowded Earth in 2100
...rition and disease. Accordingto the report, global climate
change is beginning to contribute to the food anddisease problems. "With a democratically determined population policy that respects basicindividual rights, with sound resource-use policies, plus the support of scienceand technology to enhance energ...
Climate change and greenhouse gases: The scientific literature reviewed
...es in other components of the carbon cycle and the climate
system. In thepast 150 years, corresponding to wid...eases in greenhouse gases will causechanges in the climate
system. These include increases in average surfacetemperature, increases in rates of precipitation a...
Study indicates Indian Ocean monsoon similar to El Niño phenomenon in Pacific
... El Niño as previously had been believed by climate
researchers. Peter Webster, director of the Univ...d. "Certainly ElNiño plays a major role in climate
variation on Earth, but there also is a lotof independent climate
variability. If we can better und...
Environmental stress accelerates microevolution - rapid adaptation of planktonic
crustaceans to nutrient pollution
...anisms to changing environmental conditions (e. g. climate
change) by rapidmicroevolution....
Watershed responses to forest practices studied
...ributed Hydrology-Soil-VegetationModel, showed how climate
change could effect hydrology and water resources....njunction with a regionalclimate model, to address climate
issues in the United States and China....
Environmental jigsaw pieces fall into place
...t, A protective ozone layerand Limitedinfluence on climate
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