Tilman, David <br/><br/>
Biodiversity impacts ecosystem productivity as much as resources, disturbance, or herbivory.  [electronic resource] 

 -  Proceedings of the National Academy of Sciences of the United States of America  Jun 2012 
 - 10394-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>1091-6490 
<br/><br/><label>Standard No.: </label>10.1073/pnas.1208240109  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biodiversity<br/>Conservation of Natural Resources<br/>Ecosystem