Ecosystems Current Events | Ecosystems News | 5
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Organic Soils Continue to Acidify Despite Reduction in Acidic Deposition
Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition to the recovery of these aquatic and terrestrial ecosystems. view more (2009-01-13)
Grazing animals help spread plant disease
Researchers have discovered that grazing animals such as deer and rabbits are actually helping to spread plant disease - quadrupling its prevalence in some cases - and encouraging an invasion of annual grasses that threaten more than 20 million acres of native grasslands in California. view more (2008-12-30)
Smithsonian scientists find evidence that could rewrite Hawaii's botanical history
Scientists at the Smithsonian Institution have discovered data that suggests one of Hawaii's most dominant plants, Metrosideros, has been a resident of the islands far longer than previously believed. view more (2008-04-16)
The secret life of algae
The researchers, funded by the Biotechnology and Biological Sciences Research Council (BBSRC), found that no algae have the necessary genes to produce vitamin B12. view more (2006-01-12)
Valuable coral reefs under siege
Leading coral reef experts are meeting today, 16 December 2004, at the Zoological Society of London to discuss the alarming rates of decline and formulate an action plan to prevent the demise of these important ecosystems. With approximately 20% of coral reefs already destroyed, it is thought that close to 50% may be close to collapse. view more (2004-12-15)
Study shows parasites outweigh predators
In a study of free-living and parasitic species in three estuaries on the Pacific coast of California and Baja California, a team of researchers from the University of California, Santa Barbara, the United States Geological Survey, and Princeton University has determined that parasite biomass in those habitats exceeds that of top predators, in... view more... (2008-07-24)
Nitrogen loss threatens desert plant life, study shows
As the climate gets warmer, arid soils lose nitrogen as gas, reports a new Cornell study. That could lead to deserts with even less plant life than they sustain today, say the researchers. view more (2009-11-09)
Field of the future -- ecological experiment simulates conditions in 2100
A new experiment to find out how British plant ecosystems may be affected by future changes to climate and biodiversity is underway at Imperial College London. view more (2008-09-29)
Parasites Outweigh Predators in Pacific Coast Estuaries
In a study of parasites living in three estuaries on the Pacific coast of California and Baja California, researchers have determined that biomass of these parasites exceeds that of top predators, in some cases by more than 20 times. view more (2008-07-24)
Ants are surprisingly ancient, arising 140-168 million years ago
Ants are considerably older than previously believed, having originated 140 to 168 million years ago, according to new Harvard University research published in the journal Science. view more (2006-04-12)
Canada's pristine freshwater fisheries at risk
If you want to catch a trophy northern pike, walleye or brook trout in the northern Canadian wilderness, better plan your trip soon. That's because according to a report released today by the Wildlife Conservation Society, looming development, including forestry, mining and dam construction, threatens this pristine region of untouched forests,... view more... (2007-09-20)
The white stuff: Marine lab team seeks to understand coral bleaching
With technology similar to that used by physicians to perform magnetic resonance imaging (MRI) scans, researchers from six institutions-including the National Institute of Standards and Technology (NIST)-working at the Hollings Marine Laboratory (HML) in Charleston, S.C., are studying the metabolic activity of a pathogen shown to cause coral... view more... (2009-10-23)
Great Lake's sinkholes host exotic ecosystems
Researchers are exploring extreme conditions for life in a place not known for extremes. As little as 20 meters (66 feet) below the surface of Lake Huron, the third largest of North America's Great Lakes, peculiar geological formations-sinkholes made by water dissolving parts of an ancient underlying seabed-harbor bizarre ecosystems where the fish... view more... (2009-02-25)
Increased competition for pollen may lead to plant extinctions
The decline of birds, bees and other pollinators in the world's most diverse ecosystems may be putting plants in those areas at risk, according to new research. view more (2006-01-20)
Scientists show that streams are critical to preservation of oceanic coastal zones
The plight of the world's oceans is dire, according to recent studies, through insults from human-derived activities depopulating and damaging reefs, altering coastlines, and creating pollutants, such as nitrogen runoff from terrestrial watersheds. view more (2008-03-13)
Nordic Centres of Excellence selected
Four units have been selected to take part in the first Nordic Centres of Excellence programme. They are - A Centre of Excellence concerned with studying ecological systems in climate change. Consisting of research teams based at the Universities of Oslo, Helsinki and Lund, the unit is expected to increase our understanding of the impacts of... view more... (2002-10-31)
New Study To Investigate Demise Of Coral Reef Ecosystems
Scientists are embarking on a project which will explore how global warming is devastating one of the world's most diverse ecosystems. One sixth of the world's coral reefs died due to bleaching in 1998, and the situation is getting worse. Bleaching occurs when tropical seas heat up above there normal maximums, killing the corals. These events... view more... (2004-07-30)
Mangrove-dependent animals globally threatened
More than 40 percent of a sample of amphibians, reptiles, mammals, and birds that are restricted to mangrove ecosystems are globally threatened with extinction, according to an assessment published in the July/August issue of BioScience. view more (2009-07-01)
Study shows continued spread of 'dead zones'
A global study led by Professor Robert Diaz of the Virginia Institute of Marine Science, College of William and Mary, shows that the number of "dead zones"-areas of seafloor with too little oxygen for most marine life-has increased by a third between 1995 and 2007. view more (2008-08-15)
Entire lakes feel effects of climate warming, University of Alberta study shows
Climate warming brought on in part by human activities is producing major ecological changes in remote arctic lakes at an alarming rate. view more (2005-10-19)
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