... of these metabolites between individuals and populations in various regions of the lakes may point toward the stressor or stressors responsible ... , these rice grain-sized crustaceans dwell on lake bottoms and feed on descending algal plankton. Their bodies contain 30 percent to 40 percent ...
... ) -- The wind barreled across the ice at Daily Lake as Montana State University paleoecologist Cathy ... used all their strength to pull a metal pipe out of the mucky lake bottom. With much effort, they hauled up 16 ...
... time we've identified structures like these on the lake bottom," said John O'Shea, curator ... is the hope they bring that intact settlements are preserved on the lake bottom. These settlements could contain organic artifacts ...
... and University of Massachusetts. The sediment core, retrieved from a lake bottom on Baffin Island, predates by about 80,000 years the oldest cores from the Greenland Ice ...
... in this region, annually laminated sediment cores from the lake bottom, down to depths of 21 meters. "With this, the sediment core covers the last 25000 years ...
... growth during unfavorable times. On most seafloors, lake bottoms and land surfaces, however, sediment accumulates quite slowly compared to the rates at which local ...
... and excrete a heavy spoor that quickly sinks to the lake bottom (and probably out of the ecological picture), Chaoborus ... into near-surface waters. Some of the spores may sink to the lake bottom and out of the picture, but during the day, the warmth ...
... , made by Notogoneus osculus as it fed along a lake bottom, says Emory University paleontologist Anthony ... indicates that, at least seasonally, some fish were living on the lake bottom." The scientists were also able to calculate how the fish ...
... from Guatemala to set up a lab and monitoring infrastructure for the lake, to build on the research that began and has continued intermittently ... to Guatemala and took sediment core samples from the lake bottom, as deep as 1,000 feet from the surface. "The sediment record will help us get ...
... organically bound carbon is deposited on inland lake bottoms. A portion remains in the sediment, sometimes ... from surrounding land areas – are continuously deposited on lake bottoms. The breakdown of a portion of this matter by bacteria ...
... high-definition mapping of the bottom of Fallen Leaf Lake, a tributary lake just upstream ... Babcock and Neal Driscoll, have been studying the glacially carved lake bottom in conjunction with seismic studies ...
... zebra mussel, the quagga also burrows into soft lake bottoms, where they can be found in concentrations of 10,000 ... , which once fed fish, is being sucked down to the bottom of the lake by quaggas, who then eject it in the form ...
... by plants," the researchers wrote. The team explored the lake bottom with a Remotely Operated Vehicle built ... of active and dormant vents. Scientists have mapped the lake bottom three times over the last 136 ...
Ripples of mud in ancient lake bottoms could serve as evidence of earthquakes that ruptured in millennia past, researchers suggest.
... at the University of Gothenburg, Sweden, have developed a method of using lake-bottom sediments to show when and how fish life ... . Mandibles from Chaoborus larvae preserved in lake-bottom sediments can therefore be used to identify fish death ...
