Fang, Ying <br/><br/>
Long-term nitrogen addition leads to loss of species richness due to litter accumulation and soil acidification in a temperate steppe.  [electronic resource] 

 -  PloS one  2012 
 - e47369 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1932-6203 
<br/><br/><label>Standard No.: </label>10.1371/journal.pone.0047369  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acids--chemistry<br/>Biomass<br/>China<br/>Desert Climate<br/>Ecosystem<br/>Humans<br/>Nitrogen--chemistry<br/>Plant Roots--chemistry<br/>Poaceae--classification<br/>Soil--chemistry<br/>Temperature