他是一位老师,2003年退休了,学生却更多了。林场的师傅、农民工兄弟、少数民族乡亲都亲切地喊他一声“李老师!”他是一个高原情怀、大山精神的践行者,为了山更青水更绿跑遍了云南的山山水水。治理石漠化20年至今未曾停下脚步的他,就是西南林业大学退休教授李乡旺。1995年,当“石漠化”这个科学名词刚刚出现的时候,西南林业大学就接到 He is a teacher, retired in 2003, but more students. Forest master, brother of migrant workers, ethnic folks are kindly shouted to him “Teacher Li!” He is a plateau feelings, practitioners of the spirit of the mountains, more green for the mountains more green all over the mountains of Yunnan water. Governing rocky desertification has not stopped for 20 years so far, he is the retired professor of Southwest Forestry University Li Wang Wang. In 1995, when the scientific term “rock desertification” just appeared, Southwest Forestry University received