Monitoring ecological impacts :  concepts and practice in flowing waters / 
Barbara J. Downes ... [et al.]. 
 - Cambridge, UK ;  New York, NY, USA :  Cambridge University Press,  2002. 
 - 434 p. :  ill. 
<br/><br/>HKBU library 
<br/><br/> YT2025 M10 
<br/><br/><label>ISBN: </label>0521771579 9780521771573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality biological assessment.<br/>Stream ecology.
<br/><br/><label>LC Class. No.: </label>QH96.8  / M744 2002