Posts Tagged ‘ecosystems’
Restored wetlands may never recover
UC BERKELEY (US) — Even after a century of restoration efforts, some wetlands are never able to return to their original natural state. Continue…
Friday, January 27, 2012 12:30 - 1 Comment
Earth & Environment - Jan 10, 2012 17:02 - 0 Comments
Gulf ‘swirl’ key to recovery after oil spill
UC SANTA BARBARA (US) — A new computer model shows how bacteria, topography, and water currents combined to remove methane and other chemicals from the Gulf of Mexico following the Deepwater Horizon oil spill in April 2010. (more…)
Earth & Environment - Dec 21, 2011 14:48 - 0 Comments
Nitrogen ‘double whammy’ could alter lakes
U. WASHINGTON (US) — Nitrogen derived from human activities has polluted lakes for more than a century. The fingerprint is evident even in remote lakes thousands of miles from the nearest city. (more…)
Earth & Environment - Nov 9, 2011 10:48 - 0 Comments
Chesapeake dead zones return to life
JOHNS HOPKINS AND U. MARYLAND (US) — Reducing the flow of fertilizers, animal waste, and other pollutants into the Chesapeake Bay is shrinking oxygen-depleted “dead zones” in America’s largest estuary, a new study finds. (more…)
Earth & Environment - Nov 2, 2011 10:20 - 0 Comments
Battle of the biomes: Savannas vs. forests
PRINCETON (US) —Large stretches of South American and African forest and savanna could begin to encroach on each other due to factors such as climate change and land use—much to the detriment of the people and animals that rely on them. (more…)
Earth & Environment - Nov 1, 2011 9:58 - 1 Comment
Seaweed wages chemical war on coral
GEORGIA TECH (US) — Scientists have mapped the chemical structure of molecules used by certain species of seaweed to kill or inhibit reef-building coral. (more…)
Science & Technology - Oct 27, 2011 11:36 - 0 Comments
Permian dieoff: Animals faced brave new world
BROWN (US) — The mass extinction that ended the Permian Period 252 million years ago was disastrous for land-based animals, setting off a boom-and-bust period that lasted for 8 million years. (more…)
Earth & Environment - Oct 18, 2011 10:02 - 5 Comments
In experimental forest, trees soak up CO2
U. MICHIGAN (US) — North American forests appear to have a greater capacity to soak up heat-trapping carbon dioxide gas than previously thought. (more…)
Science & Technology - Oct 6, 2011 8:23 - 0 Comments
Extreme cave fish with ‘alien’ appetites
TEXAS A&M (US) — Could life exist on planets less hospitable than our own? Scientists studying a tiny Mexican fish say it’s quite possible. (more…)
Earth & Environment - Oct 5, 2011 9:19 - 1 Comment
Bacteria: First responders in Gulf spill
UC SANTA BARBARA (US) — Bacteria present in the Gulf of Mexico were responsible for consuming large amounts of natural gas immediately following the Deepwater Horizon oil spill in April 2010. (more…)
Earth & Environment - Sep 22, 2011 10:21 - 1 Comment
Worms keep the peace in ‘Spore Wars’
U. CARDIFF (UK) — Lice, millipedes, and worms act as woodland diplomats, ensuring the survival of weaker species of fungi that compete with stronger creatures for space and resources. (more…)
Top Stories - Sep 19, 2011 10:22 - 0 Comments
Big croc shared river with 42-foot snake
U. FLORIDA (US) — A new 20-foot extinct crocodile species discovered in the same Colombian coal mine may have given Titanoboa, the world’s largest snake, a run for its money. (more…)
Earth & Environment - Sep 13, 2011 10:26 - 0 Comments
Volcanic vents belch pure CO2 into sea
STANFORD (US) — Rare volcanic vents in the Mediterranean Sea bubble carbon dioxide, making the water more acidic—a glimpse of how marine ecosystems may be affected as global warming intensifies. (more…)
Earth & Environment - Sep 7, 2011 10:48 - 0 Comments
Tree-killing fungus has California roots
UC BERKELEY (US) — Genetic detective work has located the source of a devastating fungus that causes cypress canker disease, which has been killing trees on six of the world’s seven continents for decades. (more…)
Earth & Environment - Aug 12, 2011 14:03 - 0 Comments
Climate change consequences poles apart
PENN STATE (US) — Climate change induced warming affects ice and frozen ground at both the North and South poles, but the ramifications differ because of geography and geology. (more…)
Earth & Environment - Aug 11, 2011 15:44 - 0 Comments
Reef reveals life 265 million years ago
TEXAS A&M (US) — Rocks from the fossil Permian Reef in the Guadalupe Mountains of West Texas are offering clues about changes in sea level and marine life 265 million years ago. (more…)
Earth & Environment - Aug 11, 2011 11:53 - 3 Comments
In grasslands, every species matters
IOWA STATE (US) — A new analysis of plants in grassland ecosystems around the world suggests most of those plant species are important. (more…)
Top Stories - Jul 27, 2011 11:01 - 0 Comments
Vanishing predators: Cascade of loss
UC DAVIS (US) — The declining number of animals at the top of the food chain is creating a downward spiral throughout the world’s ecosystems, largely due to the one predator they are vulnerable to: humans. (more…)
Science & Technology - Jul 22, 2011 12:15 - 0 Comments
The ‘new’ rules all parasites follow
UC SANTA BARBARA (US) — By studying parasites within an ecosystem, scientists have uncovered simple ecological rules that apply to all animals and predict how common they are. (more…)
