ScienceDaily (Dec. 20, 2010) — The consequences of the current high levels of socio-economic activity on the extent of biological invasions will probably not be completely realized until decades into the future, according to new research. A new study on biological invasions based on extensive data of alien species from 10 taxonomic groups and 28 […]
By Jim Bouldin24 October 2010 Red foliage is one thing you’re not supposed to see a lot of in western North America, any time of year. In many places in the west–particularly through the central and northern Rocky Mountains and British Columbia–there is now a lot of red foliage, but unfortunately, it’s not just in […]
ScienceDaily (Nov. 28, 2010) — In the first comprehensive global survey of temperature trends in major lakes, NASA researchers determined Earth’s largest lakes have warmed during the past 25 years in response to climate change. Researchers Philipp Schneider and Simon Hook of NASA’s Jet Propulsion Laboratory in Pasadena, Calif., used satellite data to measure the […]
(A) Annual releases of juvenile hatchery chum salmon, pink salmon, and sockeye salmon into the North Pacific Ocean and (B) the proportion of total hatchery releases originating from North American hatcheries, 1950–2005. Values exclude spawning-channel sockeye salmon. Values are updated from Mahnken, et al. (1998). Ruggerone, et al, 2010 Gregory T. Ruggerone, Randall M. Peterman, […]
The number of salmon in the Pacific Ocean is twice what it was 50 years ago. But there is a downside to this bounty, as growing numbers of hatchery-produced salmon are flooding the Pacific and making it hard for threatened wild salmon species to find enough food to survive. By Bruce Barcott01 Nov 2010 In […]
By David Fogarty; editing by Ron PopeskiWed Oct 27, 2010 7:00am EDT NAGOYA, Japan (Reuters) – About a fifth of the world’s vertebrates are threatened with extinction, a major review has found, highlighting the plight of nature that is the focus of global environment talks underway in Japan. The study by more than 170 scientists […]
By David Fogarty, Climate Change Correspondent, AsiaSINGAPORE | Fri Oct 22, 2010 3:25am EDT (Reuters) – Climate change is set to drive the spread of invasive plant and animals species, threatening forests, fisheries and crops, in a double blow to nature and livelihoods, a World Bank-funded report [UPDATE: Archived here: pdf] said on Friday. The […]
ScienceDaily (Oct. 6, 2010) — A study by a USDA Forest Service Southern Research Station scientist shows the numbers of nonnative Chinese tallowtree in Louisiana, Mississippi and east Texas grew by about 370 percent over a 16-year period. The spread of the invasive plant may create problems for plants and wildlife along the Gulf coast. […]
Destructive species hitching ride on cargo ships make Seaway a bigger threat By Dan Egan of the Journal SentinelOct. 3, 2010 For thousands of years, the Great Lakes were protected by Niagara Falls on the east and a subcontinental divide on the west, but those barriers to our grandest freshwater system were obliterated over the […]
By Richard Gray, Science CorrespondentPublished: 9:15AM BST 03 Oct 2010 Frog populations are on the verge of dying out in some parts of Britain due to a disease which causes them to bleed to death. Common frogs, which are the most widespread species of frog in Britain, have suffered declines of around 80 per cent […]
