A new ecology :  systems perspective / 
Sven Erik Jørgensen ... [et al.]. 
<br/><br/>Includes bibliographical references (p. [251]-272) and index 
<br/><br/><label>ISBN: </label>9780444637574 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecologiá. <br/>Ecology. <br/>Environnement. <br/>Homme--Influence sur la nature. <br/>Nature--Effect of human beings on.