Tag: "rocky" at biology news

Using hard science to protect fragile seas

...s 11-acre ocean research laboratory located on the rocky shore of Monterey Bay about 90 miles south of the main campus. ``I was drawn to Monterey Bay because it`s at the cutting edge of research on marine reserves,`` she notes, ``and I`m particularly interested in studying the interactions of the marine co...

Excessive fishing prompted coastal ecosystems to collapse, but wise management now will help

...ked closely at tropical coral reefs, kelp forests, rocky sub-tidal shores along warm and cold coastlines and estuaries worldwide using a large variety of records." Among those were old accounts by sea captains, who sometimes were fine naturalists, Peterson said, and scientists commissioned by royalty. Even...

Preserving pine's genetic heritage

...about 6-7 km to the furthest trees down a sloping, rocky ridge to an altitude of 500m. The worst bit was carrying the pine cones back to camp!...

Botanists discover new conifer species in Vietnam

...rge and stately specimens still grow on the steep, rocky slopes of isolated mountain peaks, Harder said. The mountaintop ridges in Bat Dai Son hold remnants of a forest that was once much more widespread, he added. "This tree was already rare and endangered when it was discovered, which lends urgency to ...

Study of fossils found in arctic shows plants more developed at earlier time

...forms. We found these previously unknown plants in rocky sediments we collected and brought back first by helicopter and then airplane from Bathurst in 1994, the biologist said. Because of permafrost, digging is impossible, and we picked them up and chipped them out from exposed slopes on the almost comple...

Japanese shore crabs invade Penobscot Bay, Maine

...rabs and possibly lobsters. Where it lives, in the rocky intertidal (the areas of shore that are above low tide) zones, the Japanese crabs are smaller than the adult green crabs but reportedly stronger and quite able to tear the claws off larger species of crabs. John J. McDermott, the B.F. Fackenthal pro...

Global warming has uneven effect on coastal animals

...thermal tolerance limits, organisms inhabiting the rocky intertidal zone have emerged in recent years as potential harbingers of the effects of climate change on species distribution," explain the authors,three of whom are from the University of California, Santa Barbara. Coauthor Carol Blanchette, a resea...

Revolutionary new theory for origins of life on Earth

...st and in principle, this could happen on any wet, rocky planet. Dr Russell says: "As hydrothermal fluid - rich in compounds such as hydrogen, cyanide, sulphides and carbon monoxide - emerged from the earth's crust at the ocean floor, it reacted inside the tiny metal sulphide cavities. They provided the ...

Scripps Institution researchers develop new approach for designing marine reserves

... to gather key ecological data about the important rocky coastal habitats in the gulf. Hundreds of research dives later, the team was equipped with fundamental information about biodiversity, spawning activities of key species, nurseries for reef fishes, ecological connectivity between habitats, and other ...

The dollars and sense of protecting the ocean

...ion of marine protected areas: Southern California rocky intertidal ecosystems, by Hall, Hall and Murray estimates the benefit of more effective enforcement and management of MPAs designed to avoid coastal ecosystem decay. Some of the studies produce estimates of the economically desirable MPA size in part...

Marine biologists probe 'black box' mysteries of the sea

... Bay, Denny and his coworkers drill holes into the rocky shoreline, then insert a dynamometer into each hole. When a wave hits the plastic golf ball, it stretches the spring, giving researchers an accurate measurement of the amount of force that struck the shore. "The dynamometers see a lot of force, but i...

New studies reveal connections between oceanographic processes and rockfish populations

...ies (sold as red snapper) that inhabit the shallow rocky reefs and kelp beds of the California coast. Like most marine fish, rockfish produce larval young that spend the first few months of their lives drifting about in the ocean currents. For years, scientists have had little knowledge of the processes an...

Finicky snails provide new clues to the evolution of coastal ecosystems

... died, isolated on their own particular stretch of rocky coastline.'' Culinary divide If all channeled wh... a predator on sea mussels - a vital member of the rocky shore community: ''If not held in check, sea mussels often are the dominant competitor - overgrowing...

Searching for the 'real' waterworld

...us of about 4000 kilometres. Then there would be a rocky mantle region extending to a height of 3500 kilometres above the core's surface, covered by a second mantle made of ice up to 5000 kilometres thick. Finally, an ocean blankets the entire world to a depth of 100 kilometres, with an atmosphere on top o...

Science Picksleads, feeds and story seeds (July 2003)

...tilized eggs, or larvae, sink and start to grow on rocky areas. Scientists can predict to the hour when the reef-building coral off Maui will spawn, but no one knows where the floating coral larvae go. So from June 29 to July 5, scientists from the U.S. Geological Survey, the University of Washington, the...

Brain links non-food images with eating -- But only when hungry, study suggests

...ained. "So, if he sees a particular tree stump, or rocky slope, that predicts clover." As if nature knew we wouldn't just stop eating when we were full, it also evolved a "brake system" for the conditioning process. Gottfried and his colleagues discovered that the brain tones down certain associations, onc...

First extrasolar planets, now extrasolar moons

...did not possess a moon. By precisely timing when a rocky planet passes in front of its star, Eddington will be able to show if a moon is pulling its planet out of a strictly circular path around the star. So, how many moons can Eddington expect to find circling planets around other stars? If we make an e...

Scientists await first call from Beagle

...e was also thought to be neither too dusty nor too rocky to threaten a safe landing (but rocky enough to be interesting for the experiments). Sunset at the Mars landing site today was at 07:15 G...

Bacteria discoveries could resemble Mars, other planets

... these conditions, microbes could live beneath any rocky planet," Fisk said. "It would be conceivable to find life inside of Mars, within a moon of Jupiter or Saturn, or even on a comet containing ice crystals that gets warmed up when the comet passes by the sun." Water is a key ingredient, so one key to ...

Physicists use fractals to help Parkinson's sufferers

...ed at: clouds, branching trees, rugged coastlines, rocky mountains, are all examples of fractals. The idea of a fractal can also be applied to irregular motion. For instance, a healthy heartbeat is now known not be so regular as we might think and follows a fractal pattern of movement instead. Scientists h...

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