请参考以下资料:http://www.unescap.org/huset/m_land/intro.htmhttp://www.countryside.gov.uk/LAR/Landscape/SLM/index.asphttp://www.sfwmd.gov/org/clm/lsd/4_intro.htmlhttp://www.idrc.ca/en/ev-29587-201-1-DO_TOPIC.html
http://www.sfwmd.gov/org/clm/lsd/4_intro.html