Based on the analysis of natural and geographic background of jiaozhou land type , under the principle of comprehensiveness , dominant factor , produce and practice , thd author made field investigathion and the defined thd line of land type with reference of 1 : 15000 aviation chart , geologic map , topographic map , soil map , and climate planning map of jiaozhou . the system of land classification included land unit ( genus ) - land unit ( family ) , furthermore , according to thd above classification system , the author drew thd 1 : 50000 land type map . finally , this thesis elaborated thd main characters , utilizing situation and of grade - 2 land type land unit genus
3.
Taking gis software ( arc / info and arcview ) and visual foxpro as basic plat , protracted the system maps of land resource , those basic subject maps included land use status map , land types map , soil types map , grade map and soil organic substance map , combing with former summarizing research results , built the spatial basic database of land resource ; based the spatial database , by the means of attribute table manipulation and take the map plot as basic unit to get the subject attributes of basic information , combined with social economy attribute information , built the attribute database ; take the spatial basic database as basic work , by the means of vector piles to get the land resource dynamic movement system maps , included land use status , land types and soil organic substance dynamic movement map
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