A New Biochemical Link Established Between Stress, Sex And Dominance
...ollected there. Overturned flower pots imitate the rocky nooks that male cichlids defend as spawning sites in their territories. By setting up various versions of this environment and introducing various combinations of male and female fish, Fernald has been able to study social behavior and the physiologi...'Auditory Scene Analysis' Helps Find Mates
...emale, he fertilizes her eggs, which adhere to the rocky ceiling of his nest. The female leaves forever, and the male resumes humming in hopes of attracting another female with more eggs. Wondering how the female fish find the right males, the Cornell biologists examined the structure and function of mids...Rock-Eating Microbes Could Signify Life On Mars
... those conditions, microbes could live beneath any rocky planet,"Fisk said. "It would be no problem to have life inside of Mars, or within a moonof Jupiter, or even on a comet containing ice crystals that gets warmed up whenthe comet passes by the sun." Fisk said scientists know a lot about the int...ASU Professor Helps In Fight To Protect Japanese Pika Habitat
...eras line the snowy banks of Mt. Daisetsu. Amidthe rocky terrain is a colony of pikas scampering about for the dozens, ifnot hundreds, of tourists who come to watch. The newly discovered Japaneselove affair with the pika is a result of a two-year campaign by the Pika FanClub, one of Japans largest citizens...Scientist Finds Asteroid Fossil That May Have Caused Global Dinosaur Extinction
... findings suggest that the original meteoritehad a rocky composition that corresponds with the makeup of as...g the sun in a beltbetween Mars and Jupiter. This rocky belt of space debris is thought to be aleftover from the time when the planets first formed. ...Bones of Crocodile-like Beasts Tell Tale of Global Warming
...humans to explore some sections ofthe mountainous, rocky part of the Arctic. Experiences like this are plentiful at the University, where facultyboth conduct world-class research and teach small classes of students. LikeScher, about half the University's undergraduates work closely with professors...NSF-Funded Researcher Plucks Four Unknown Fish Species From Antarctic Waters
..." he noted. During two separate research seasons, rocky bottoms ripped nets so thatonly half of 20 trawls in the Ross Sea reaped large numbers of fish. But thefour new species were discovered in those 10 successful trawls....Studies Document Ease Of Ecosystem Disruption
...ofZoology at Oregon State University on the marine rocky intertidal shores of theOregon coast. One report, to be published Friday in the journal Science, indicatesthat some ecological impacts of global warming might be abrupt, significant, andgenerally underestimated - not just a slow shift of spe...Salamanders may one day monitor degradation in small streams
... enough; and the seal salamanderneeds to have very rocky banks, which we did not have." However, the researchers found the remaining four species abundantenough for stream quality monitoring. "The mountain dusky salamander was found in most of the study streamsand appears fairl...Search and support for the rare white abalone is on; sex must occur with close neighbors
...eep-water species found between 80 and 200 feet on rocky reefs from Point Conception in California to Punta Abreojos in Baja California, Mexico. Highly prized for their tender white meat, they often brought a 20 percent higher price than red abalone, the primary mainstay of theabalone fishery. During the 1...On the floor of the sea: USGS biologists search for rare, white abalone
...deep-water species found between 80 and 200 ft. on rocky reefs from PointConception in California to Punta Abreojos in Baja California, Mexico. Highlyprized for their tender white meat, they often brought a 20 percent higher pricethan red abalone, the primary mainstay of the abalone fishery. During the 19...Reversible bone shrinkage documented in Galapagos iguanas
...he iguanas eat algae along the tidal basins of the rocky shores of the Galapagos archipelago off Ecuador. The islands normally experience cold, nutrient-rich currents from both the west and south. During El Niño years, however, warm currents and heavy rains raise water temperatures. Less digestib...Unusual mussels may use whale bones en route to hot sea-floor vents
...antly related to mussels from salt marshes and the rocky intertidal zone. How and when mussels first colonized vents has remained a mystery. By examining the DNA signatures of many different types of mussels, the authors found that the tiny mussels found on whale falls and wood fragments are closely relate...Reefs and atolls of the Australian outback
...red to the sea floor or hanging like branches from rocky outcrops. The Enorama reefs are built of stromatolitic mounds up to six metres high and ten metres across. They have grown into one another in stacked structures up 40 metres high and 100 metres across. The Cambrian period began somewhere between 54...Game of life allows all mating strategies
...side-blotched lizards (Uta stansburiana ) on the rocky bluffs of coastal California, Kelly R. Zamudio and Barry Sinervo report in the Dec. 5, 2000 issue of Proceedings of the National Academy of Sciences (PNAS). The researchers show that each mating strategy allows its adherents enough reproductive ...February media highlights: Geology and GSA today
...nd James W. Vallance Rapid avalanches or flows of rocky debris occur episodically on mountain slopes and pose increasing threats to humans as development encroaches on steep terrain. Predictive modeling of debris flows and avalanches has been hindered, in part, by lack of a unified description of the gov......ls thought to be mostly slushy water surrounding a rocky core - slamming into Earth at velocities greater t...y impact was akin to an oblique collision with the rocky surface of the Earth - a comet coming in at an angle of less than 25 degrees from the horizon, rathe...Coastal research project at UC Santa Cruz receives major boost in funding
...research on species that inhabit the kelp beds and rocky reefs in the subtidal zone. One approach involves using molecular genetics to study the genetic linkages between populations at different sites. This work will make use of a new genetics facility established on the UCSC campus using funds from the PI...URI professor investigates the muscle behind blue mussels
...ue mussel faces the threat of being ripped off its rocky perch by violent storms or hurricanes. And now com...ously, humans wouldnt fare very well on wave-swept rocky coasts, but the diminutive mussel, resembling a rivet on the airplane wing, is quite able to keep it......a spirata, a marine gastropod found throughout the rocky coastal regions of California, the researchers discovered that past climatic changes altered the range of the species, which in turn, caused the species' shell shape to evolve. The scientists believe their findings can be applied to other animals, a...