Janelle M. West

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1. The contractile activation properties of long- (sarcomere length (SL) > 6 microns) and short- (SL < 4 microns) sarcomere fibres from the claw muscle of the yabby (freshwater crustacean, Cherax destructor) and the fast- and slow-twitch fibres from the rat have been investigated using single skinned muscle fibres activated in solutions containing Ca2+ or(More)
The gorgonian coral Briareum asbestinum contains skeletal elements (sclerites) that vary in length and density within and among local populations. Data from previous work suggested that the sclerite compositions of colonies may be altered in response to environmental cues such as predator damage, water motion, and light level. To test these hypotheses,(More)
Our understanding of fish feeding interactions at Tijuana Estuary was improved by incorporating estimates of spatial and temporal variability into diet analyses. We examined the stomach contents of 7 dominant species (n=579 total fish) collected between 1994 and 1999. General feeding patterns pooled over time produced a basic food web consisting of 3 major(More)
Ecological theory predicts that incorporating habitat heterogeneity into restoration sites should enhance diversity and key functions, yet research is limited on how topographic heterogeneity affects higher trophic levels. Our large (8-ha) southern California restoration experiment tested effects of tidal creek networks and pools on trophic structure of(More)
A major concern in the geological containment of radioactive wastes is the speed of movement of radionuclides from the repository, after their eventual leaching and release, into the geosphere and finally into the biosphere. Radionuclide sorption onto the host rock is an important retarding mechanism. Experimental evidence shows that the presence of(More)
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