Copeland, B.J., Timothy Bechtel, and Bobby WhitefieldBiological - ecological studies of Galveston Bay, Texas. Third quarterly report. October 1, 1969. (Acc#8299)2010-02-152010-02-151969http://hdl.handle.net/1969.3/25400pgs. A1-A47The species diversity sub-task is used as a method of assessing the response of the ecological system to the quality of an aquatic environment.species diversityaquatic environmentecosystemsnektonmarine invertebratesmarine fishbenthoswater qualityphytoplanktonzooplanktonChapter