Handbook of ecological indicators for assessment of ecosystem health / 
edited by Sven E. Jørgensen, Robert Costanza, Fu-Liu Xu 
 - Boca Raton :  Taylor & Francis,  c2005 
 - 439 p. :  ill., map ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1566706653 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosystem health<br/>Environmental indicators