Dobson, Michael,  1964- <br/><br/>
Ecology of aquatic systems / 
Michael Dobson, Chris Frid 
 - 2nd ed. 
 - Oxford :  Oxford University Press,  2009 
 - xi, 321 p. :  ill. (some col.), maps, plans ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [291]-301) and indexes 
<br/><br/><label>ISBN: </label>9780199297542  RM145.67 0199297541 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic ecology<br/>Fishery resources<br/>Aquatic resources