Ecology is the scientific study of the distribution and abundance of life found in fresh and salt waters and the interactions between organisms and this environment.
Biological indicators have been developed and applied at field sites in the eastern U.S. to assess the effects that environmental stressors such as contaminants have on the health of aquatic organisms. (Environmental Sciences Division at Oak Ridge National Laboratory.)
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us