Wednesday, February 3, 2010
Blue Crabs and the Possible Reasons Populations are Declining
The blue crab, Callinectes sapidus, population is declining because of different pathogens such as viruses and bacteria which are limiting their metabolic processes.
Tests have been formulated to be run using NMR spectroscopy to test the effects of different bacteria and chemicals on the ability of crabs to take up oxygen. These bacteria and specific chemicals were injected into the crabs in order to determine what the effect(s) would be.
Based on these experiments, it was determined that these bacteria and chemicals have an effect on the oxygen uptake of the blue crabs. The NMR tests are useful because some of these pathogens have subtle effects and are not easily detected by normal anylsis procedures. The NMR spectroscopy helps to be able to more easily detect these metabolic effects.
Photo courtesy of the Science Daily website.
The website that I used to obtain this information is listed below as well as the site for the full report that it was adapted from.