We found increasing grassland, decreasing bare land and sandy area within 1990–2006.
•
The catchment has 502 check dams with total volume of 571 Mm3 built by 2009.
•
Land use changes and check dams in 2006 reduced the sediment yield nearly by 80%.
•
Check dams are efficient but not sustainable measures for sediment control.
NGLC 2004-2010.National Geological Library of China All Rights Reserved.
Add:29 Xueyuan Rd,Haidian District,Beijing,PRC. Mail Add: 8324 mailbox 100083
For exchange or info please contact us via email.