Dickinson, Gordon <br/><br/>
Ecosystem / 
Gordon Dickinson and Kevin Murphy 
 - 2nd. ed. 
 - New York :  Routledge ,  2007 
 - [xvii], 205 p. :  ill. ;  25 cm. 
 - Routledge introductions to environment series .
<br/><br/>Includes bibliographical refernces and index 
<br/><br/><label>ISBN: </label>9780415332798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotic communities