Tag: "western" at biology news
Analysis of impact studies reveals how bottom fishing affects seafloor denizens
...covery rates for sponge and coral habitats off the western
coast of Australia may exceed 15 years. "Our initial theories about how bottom fishing affects species living in the sediments or near the bottom of the ocean are generally supported by this analysis," said Collie. "There are still substantial g...
Using hard science to protect fragile seas
...marine reserves of the Tuscan Archipelago, off the western
coast of Italy, and possibly influencing the establishment and spread of the invasive `killer` algae Caulerpa,`` Micheli says, adding that she and her colleagues from the University of Pisa hope to continue the long-range research project. California...
Fish-stocking may spread amphibian disease
...to nearly half of the 16,000 mountain lakes in the western
contiguous U.S. Today, fish are still stocked in a...ainbow trout from a fish hatchery and freshly-laid western
toad eggs from Lost Lake, Oregon. Western toads have declined severely since the late 1980s, and up ...
UF researchers: beach mice face high probability of extinction
...rred throughout the coastal regions of Alabama and western
Florida, but the spread of commercial and residential development has slashed their numbers and fragmented their populations. Today, only about a dozen small populations remain on the Gulf coast, composed of four endangered subspecies and one not lis...
Electronic tags reveal transatlantic migrations and breeding grounds of Atlantic bluefin tuna
...t of the fish examined showed at least one year of western
residency traveling between the Carolinas and New ...hasize "the need to protect both major eastern and western
spawning regions, as they directly influence the western
fishery." This is an important consideratio...
The lands nobody wanted
...st numbers of amphibian and reptile species in the western
United States are found below 2000 meters, while many reserves are confined to higher elevations. This poses a challenge: In order for America's biodiversity to be preserved for future generations, the authors point out that the private sector must...
Footprints of early human migration left in DNA
...to thirty thousand years later, the humans then in western
Asia spread to many areas, including Europe and India, as well as going back to northern parts of Africa. As human populations continue to migrate it is important that we analyse these footprints now, before they are lost in the stampede of more mode...
Leading snake expert dies at 38
... The project, a survey of the biodiversity of the western
part of the Yunnan Province, involves a number of Academy scientists and several institutions in Yunnan, China. Dr. Slowinski has also conducted fieldwork in the United States, Mexico, Peru, Costa Rica, Guatemala, Jamaica, and the Bahamas. Dr. Slowi...
Blame North America megafauna extinction on climate change, not human ancestors
...the basis for introducing exotic mammals into arid western
North America." He looks askance at the idea of introducing modern elephants, camels and other large herbivores into the southwest United States. "Overkill proponents have argued that these animals would still be around if people hadn't killed...
Anthrax - Trail of terror
...ists around the world, still strikes cattle in the western
US.Recent American military research publications also mention an "Ames" strainisolated from a cow in Iowa in 1980. However, the scientists analysing the anthrax from the attacks are comparing its DNA with a library of strains collected from all ove...
View of forest insects changing from pests to partners
... "fought" with costly controls. Wood production in western
U.S. pine forests reached or exceeded pre-attack levels 10-15 years following mountain pine beetle outbreaks, research has shown, and the more an individual Douglas-fir tree is defoliated by the tussock moth, the more it compensates afterwards with i...
PET changes staging and treatment for newly diagnosed and recurrent lung cancer patients
...cancer is the most common cause of cancer death in western
society, and is increasing in incidence. In the United States, the American Cancer Society estimates that 164,000 Americans were diagnosed with the disease in 2000, and an estimated 156,900 died, the largest number of deaths of any single cancer....
African bone tool discovery has important implications for evolution of human behavior
...Africa is geographically enormous when compared to western
Europe, but it has been excavated properly only for a very short period, and very few sites in Africa have really been well-dug. I think that when we start to get a big sample, the picture of modern human evolution is going to look very different, sa...
URI oceanographers receive $900,000 from NSF to study carbon cycling in Arctic Ocean
...ll receive $332,000 to study carbon cycling in the western
Arctic Ocean. The research program will focus on ...t Union, and the Beaufort Sea, north of Alaska and western
Canada. This part of the Arctic Ocean is profoundly influenced by the northward flow of nutrient-ric...
Small bone could solve bluefin mystery
...s. One study shows the number of bluefins in the western
Atlantic Ocean has dropped almost 90 percent since the 1970s. Rooker says what he and his research team want to undercover is the "mixing" rate of bluefin tuna - those that have spawned in one area and then travel great distances, sometimes thousand...
Global warming more common than thought, deep-sea drilling off Japan now demonstrates
...samples from a deep-sea drilling expedition in the western
Pacific clearly show multiple episodes of warming that date back as far as 135 million years, according to one of the projects lead scientists. Analysis of the samples indicates warming events on Earth were more common than researchers previously bel...
Prescribed burning: Do we really know what we're doing?
...o reduce large, intenseforest fires throughout the western
U.S. came from studies ofyellow pine forests in the interior West, such as northernArizona. Historically, these yellow pine forests had frequentsurface fires that resulted in an open-canopy mosaic of oldand young stands of trees. Fire suppression led...
Giant pandas have plenty of genetic diversity
...rugged mountain ranges along the Tibetanplateau in western
China. Assisted by conservation organizations,the Chinese government has recently stepped up efforts to protectthe pandas: since 1993 the number of reserves has more thandoubled (from 14 to 33), and they are monitored and patrolledmore frequently. Ho...
December Media Mighlights: GEOLOGY and GSA TODAY
...triggered bio-erosion in the Palliser Formation of western
Canada. Summaries of these articles and others, as...cribed from Namibia. The newly found occurrence in western
Canada extends their known range halfway around the globe; it also provides additional insight into ...
Scientists work to prevent recent Ebola outbreak from decimating gorillas and chimps
...in neighboring Congo, home to tens of thousands of western
lowland gorillas. In response, WCSs partners at ECOFAC and the Congolese government have arranged to stop human traffic between the Ebola outbreak and the villages surrounding Odzala. Gabonese officials have also cordoned off the region to prevent...
1 2 3 4 5 6 7 8 9 10