Cheng Genwei, <br/><br/>
Forest change :  hydrological effects in the upper Yangtze river valley 

 -  1999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidrologia<br/>Reforestacion<br/>Conservacion del agua<br/>Ecologia forestal
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Valle del Rio Yangtze<br/>China