Studies on the Effect of Recreational Activities on Soil Enzyme and Microbial Activities in Zhangjiajie National Forest Park
TAN Zhou-jin, XIAO Qi-ming, YANG Hai-jun, HE Xiao-xiang, ZHOU Hong-li
JOURNAL OF NATURAL RESOURCES . 2006, (1): 133 -138 .  DOI: 10.11849/zrzyxb.2006.01.017