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River plants may play major role in health of ocean coastal waters
01-29-2008 · EurekAlert!Recent research at MIT's Department of Civil and Environmental Engineering suggests how aquatic plants in rivers and streams may play a major role in the health of large areas of ocean coastal waters. The work describes the physics of water flow around aquatic plants. It may be used to guide restoration work in rivers, wetlands and coastal zones by helping ecologists determine appropriate vegetation patch length and planting density.
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Keywords: river, plants, play, major, role, health, ocean, coastal, waters, plant, water
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- Oceanic effect of river plants reported
01-31-2008 · Massachusetts Institute of Technology (MIT)
Aquatic plants in rivers and streams may play a major role in the health of large areas of ocean coastal waters, according to recent MIT research that could have inform efforts to damp storm surge and lower nutrient levels.
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- The global carbon budget -- proper accounting means paying attention to inland waters
04-03-2007 · EurekAlert!
Until little over a decade ago, when calculating the terrestrial component of the global carbon budget, inputs were limited to the ocean and the land. Because inland water bodies cover less than one percent of the Earth’s surface, it was assumed that their contribution was inconsequential. This view was recently challenged in an Ecosystems paper, where a team of eleven experts reveal the dynamic role that inland waters play in terrestrial carbon budgets.
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- Acid Rain Has a Disproportionate Impact on Coastal Waters
09-07-2007 · Woods Hole Oceanographic Institution (WHOI)
The release of sulfur and nitrogen into the atmosphere by
power plants and agricultural activities plays a minor role in making the ocean
slightly more acidic on a global scale, but the impact is greatly amplified in
the shallower waters of the coastal ocean, according to new research by
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- Bad news for coastal ocean: less fish out, means more nitrogen in
01-28-2008 · EurekAlert!
The study, the first to examine the world's 58 coatal regions, shows how failing to maintain ecosystems in a sustainable manner has wide-ranging consequences. Using data provided by the United Nations, the researchers found that commercial fishing has played an important, yet declining, role in removing man-made nitrogen from coastal waters.
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- Disease opened door to invading species in California
03-12-2007 · EurekAlert!
Plant and animal diseases can play a major and poorly appreciated role in allowing the invasion of exotic species, which in turn often threatens biodiversity, ecological function and the world economy, researchers say in a new report. In particular, a plant pathogen appears to have opened the gate for the successful invasion of non-native grasses into much of California, one of the world's largest documented cases of invading species and one that dramatically changed the history and ecology of a vast grassland ecosystem.
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- Stronger EPA leadership needed to improve water quality in Mississippi River
10-16-2007 · EurekAlert!
The US Environmental Protection Agency must take a more aggressive leadership role in implementing the Clean Water Act if water quality in the Mississippi River and the northern Gulf of Mexico is to improve, says a new report from the National Research Council. EPA has failed to use its authority under the act to adequately coordinate and oversee state activities along the Mississippi and ensure progress toward the act's goal of 'fishable and swimmable' waters, the report says.
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- First genome comparison of plankton species yields surprises underlying key ocean processes
04-30-2007 · EurekAlert!
An international team of scientists led by Scripps Institution of Oceanography at UC San Diego and the Department of Energy's Joint Genome Institute has peered into the genetic makeup of two species of phytoplankton, the tiny plants key in global photosynthesis and carbon cycling, and come away with surprising results about evolutionary engineering and new ideas about the role that a poorly understood chemical element may play in the world's oceans.
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- Researchers find substantial amount of mercury entering the ocean through groundwater
03-21-2007 · EurekAlert!
Researchers from the Woods Hole Oceanographic Institution (WHOI) have found a new and substantial pathway for mercury pollution flowing into coastal waters. Marine chemists have detected much more dissolved mercury entering the ocean through groundwater than from atmospheric and river sources.
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- Researchers study role of natural organic matter in environment
12-11-2006 · EurekAlert!
The decomposition of plant, animal and microbial material in soil and water produces a variety of complex organic molecules, collectively called natural organic matter. These compounds play many important roles in the environment.
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- LSU researchers publish commentary on delta preservation with coastal science experts
03-22-2007 · EurekAlert!
The Mississippi River delta region is of huge economic importance to the nation. As a "working coast," much of the South’s major industries -- particularly seafood and petroleum -- are largely dependent on the health of the delta and its surrounding areas. After the 2005 hurricane season, however, experts are voicing growing concerns over how the Mississippi Deltaic Plain, or MDP, is being treated.
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