News tagged with aquatic food web
Mercury in Bay Area fish a legacy of California mining
Mercury contamination, a worldwide environmental problem, has been called "public enemy No. 1" in California's San Francisco Bay.
Jan 25, 2011 |
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Aquatic food web tied to land: Some fish are made out of maple leaves
A distant relative of shrimp, zooplankton are an important food source for fish and other aquatic animals. Long characterized as algae feeders, a new study published this week in the Proceedings of the Na ...
Jan 21, 2011 |
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Mighty diatoms: Global climate feedback from microscopic algae
Tiny creatures at the bottom of the food chain called diatoms suck up nearly a quarter of the atmosphere's carbon dioxide, yet research by Michigan State University scientists suggests they could become less able to "sequester" ...
Mar 17, 2009 |
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Search results for aquatic food web
Quack medicines, insect immigrants, and what eats what among secrets revealed by DNA barcodes
The newfound scientific power to quickly "fingerprint" species via DNA is being deployed to unmask quack herbal medicines, reveal types of ancient Arctic life frozen in permafrost, expose what eats what in ...
Nov 27, 2011 |
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Researchers find a keystone nutrient recycler in streams
(PhysOrg.com) -- Researchers from the University of Georgia Odum School of Ecology have found that certain neotropical stream ecosystems rely almost entirely on a single fish species known as the banded tetra ...
Jun 28, 2011 |
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River mystery solved
The pristine state of unpolluted waterways may be their downfall, according to research results published in a paper this week in the journal Geophysical Research Letters.
Jun 03, 2011 |
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Old specimens, fresh answers: Research charts mercury rise in endangered albatrosses
Research conducted by a Harvard undergraduate has traced the rise of mercury pollution in endangered seabirds and highlighted the importance of museum collections as a time capsule concerning conditions on ...
May 13, 2011 |
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Early warning signal for ecosystem catastrophe detected
Researchers eavesdropping on complex signals emanating from a remote Wisconsin lake have detected what they say is an unmistakable warning -- a death knell -- of the impending collapse of the lake's aquatic ...
Apr 28, 2011 |
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Propeller turbulence may affect marine food webs
A new study by researchers at the Virginia Institute of Marine Science shows that turbulence from boat propellers can and does kill large numbers of copepods—tiny crustaceans that are an important part of marine food ...
Apr 19, 2011 |
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SeaWiFS: The end of a remarkable mission
Mary Cleave left the NASA astronaut corps in the early 1990s to make a rare jump from human spaceflight to Earth science. She was going to work on an upcoming mission to measure gradations in ocean color – ...
Space & Earth / Earth Sciences
Apr 05, 2011 |
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Animal with the most genes? A tiny crustacean: First crustacean genome sequenced
Complexity ever in the eye of its beholders, the animal with the most genes -- about 31,000 -- is the near-microscopic freshwater crustacean Daphnia pulex, or water flea. By comparison, humans have about ...
Feb 03, 2011 |
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Earth's life support systems discussed
In the search for life on Mars or any planet, there is much more than the presence of carbon and oxygen to consider. Using Earth's biogeochemical cycles as a reference point, elements like nitrogen, iron and sulfur are just ...
Space & Earth / Earth Sciences
Feb 02, 2011 |
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Surprising approach could help rescue fragile ecosystems, halt cascades of extinctions
(PhysOrg.com) -- Feral pigs introduced to the Galapagos Archipelago shortly after Charles Darwin’s historical visit have damaged the ecosystem of Santiago Island, causing, it is believed, the extinction ...
Feb 01, 2011 |
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List of search results for aquatic food web
