Tag: "northwestern" at biology news

Global climate change threatens reindeer, caribou

...ared among participants and the public. "In northwestern North America there has been dramatic warming in the spring," Russell said. "But in the central barrens of Northwest Territories (NWT) and Nunavut the fall has undergone warming while east of Hudson Bay temperatures have actually dropped." "We ...

Experiments provide proof of how traveling in groups protects insects

... backs of Mormon crickets in northeastern Utah and northwestern Colorado, Drs. Gregory A. Sword, Patrick D. Lorch and Darryl T. Gwynne showed experimentally that band formation indeed boosted insect survival. Sword is a research ecologist with the U.S. Department of Agriculture's Agricultural Research Service, Lo...

Growth in the sea comes down to a struggle for iron

...leagues arrived at their appointed location in the northwestern Pacific, the Japanese team had already injected iron into the water and were monitoring the growing phytoplankton patch, roughly six by eight kilometers in size. "The patch changed quickly and constantly, breaking into two patches and streaming out ...

Discovering an ecosystem beneath a collapsed Antarctic ice shelf

...video study examining a deep glacial trough in the northwestern Weddell Sea following the sudden Larsen B shelf collapse in 2002. "This is definitely the biggest thing I've ever been involved with in the Antarctic," said Eugene Domack, a professor at Hamilton College in New York and lead author of the report deta...

Lethal needle blight epidemic may be related to climate change

...sts studying a lethal blight of lodgepole pines in northwestern British Columbia present strong evidence in the September issue of BioScience that climate change is to blame for the outbreak. The blight, caused by the fungus Dothistroma septosporum, causes trees to lose their needles and, in the case of the Briti...

GSA should stand for 'going strong again' for the UC Department of Geology as always

... these climatic systems, we studied two massifs in northwestern Tibet, Mushtagata and Mt. Kongur, of which present...y, our data show that glaciations in the semi-arid northwestern Tibet since Last Glacial Maximum are likely linked to Northern Hemisphere cooling events (Rapid Clim...

Newly discovered birdlike dinosaur is oldest raptor ever found in South America

...raptor. The remarkable dinosaur was discovered in northwestern Patagonia about 700 miles southwest of Buenos Aires. Although Buitreraptor is rather small, the paleontological team needed 10 days to chisel out the 800-pound slab of rock containing the fossil, which was subsequently prepared at the Museo Argentino...

UF Researcher: Global warming dramatically changed ancient forests

...e Smithsonian Institution, in the Bighorn Basin of northwestern Wyoming uncovered fossil leaves and pollen alongside fossilized mammals in rocks that were deposited during this turbulent geologic interval. "Up until this point we have not had a place in which we have mammal and plant remains preserved in the sam...

Ancient greenhouse emissionspossible lessons for modern climate

...ination of plant fossils from the Bighorn Basin of northwestern Wyoming. Scientists think that the fast-changing climate at the beginning of the Eocene was driven by a natural release of carbon-containing greenhouse gases analogous to what is occurring with the release of carbon dioxide and other gases since the ...

Scientists detect seasonal pattern to glacial earthquakes in Greenland, see signs of increase

... in the first ten months of 2005. A single area of northwestern Greenland, where only one seismic event was observed between 1993 and 1999, experienced more than two dozen glacial quakes between 2000 and 2005. Although glacial earthquakes appear to be most common in Greenland, Ekstrm, Nettles and Tsai have also ...

NAU researchers chirping over discovery of new cricket genus

...ery in Grand Canyon-Parashant National Monument in northwestern Arizona. The still-unnamed genus of cave cricket h...dded. "The discovery of a new cricket genus from a northwestern Arizona cave emphasizes how little is known about these ecosystems." Cave ecosystems are poorly und...

Pollen proves beneficial for northern lakes

...ated along the shorelines of three boreal lakes in northwestern Ontario's Experimental Lakes Area. "Specifically, pollen subsidized the lake water nutrient levels and in turn, promoted the abundance of plankton," said Graham, who is working with Dr. Rolf Vinebrooke in the U of A's Freshwater Biodiversity Laborato...

Early bird caught the fish: Fossils depict aquatic origins of birds 115 million years ago

... a near-modern bird found in the Gansu Province of northwestern China show that early birds likely evolved in an aquatic environment, according to a study reported today in the journal Science. Their findings suggest that these early modern birds were much like the ducks or loons found today. Gansus yumenesis, ...

Bat Blitz: Media invited to learn about bats in the southeast

...ill be held August 6-10, 2006, in the mountains of northwestern South Carolina and northeastern Georgia. The event provides an opportunity for researchers, management biologists, and students from Federal and state agencies, universities, and industry to exchange information and develop strategies for studying ba...

Power plants are major influence in regional mercury emissions

...le study was conducted at Great Mountain Forest in northwestern Connecticut. The measurements were restricted to wintertime so data on carbon dioxide that comes from the same combustion sources as mercury would not be distorted by photosynthesis. The researchers used carbon dioxide to trace mercury back to its so...

UW-Madison research part of international mercury conference

...tudying organisms in the Florida Everglades and in northwestern Ontario, Canada. Sedo has collected dozens of sulfate-reducing species from those sites to gauge how much methylmercury each is able to produce. CONTACT: Eva Sedo, (608) 217-3190, sedo@wisc.edu Consequences of exposure to methylmercury duri...

Earth's most diverse marine life found off Indonesia's Papua Province

... for the shape of the distinctive peninsula on the northwestern end of Indonesia's Papua province, includes more than 1,200 species of fish and almost 600 species of reef-building (scleractinian) coral, or 75 percent of the world's known total. Researchers described an underwater world of visual wonders, such a...

Female pronghorns choose mate based on substance as well as show

...ange, a 30-square-mile National Wildlife Refuge in northwestern Montana, for 20 years, and recognizes all individual pronghorn in the population. In recent research, Byers and his coauthor Lisette Waits, also of the University of Idaho, obtained genetic markers for all pronghorn individuals in the population and...

Firewood unintentionally transports emerald ash borer

... Michigan, an area in Canada just east of Detroit, northwestern and several other locations in Ohio, northeastern Indiana and just north of Indianapolis, and in 2006 Illinois infestations were found in Cook and Kane counties. "Nurseries and businesses that sell trees are monitored and controlled," said Appleby....

Mistaken identity? When a white marlin may not always be a white marlin

...sh, the new billfish species has been found in the northwestern Atlantic Ocean, where its distribution overlaps th...nters with this species may not be uncommon in the northwestern Atlantic, according to Lawrence Beerkircher, manager of the Pelagic Observer Program at NOAA Fisheri...

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(Date:7/29/2014)... New research from scientists at the University of Kent ... inside cells are regulated a breakthrough that could ... A team from Kent,s School of Biosciences uncovered the ... within cells known as actin filaments are ... these actin filaments appear to completely stable, providing a ...
(Date:7/29/2014)... breaking new book that brings together two of the ... the profile of insect fossils through stunning photographs and ... and James E Jepson, details the incredible preservation and ... the scene for what these remarkable fossils can tell ... the future of our planet. Like the mosquito in ...
(Date:7/28/2014)... U.S. Food and Drug Administration (FDA) for other purposes ... inside human cells, including those that cause Legionnaires, disease, ... mBio , the online open-access journal of the ... identifying non-antibiotic drugs that could one day help curb ... the list inhibit the growth of at least three ...
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