Resources Utilization and Management

Discovering the Knowledge of Tree Species Distribution Based on GIS in Shimian County of Sichuan Province, China

  • Research Center of RS & GIS Application, Key Lab of Land Resources Evaluation and Monitor, Sichuan Normal University, Chengdu 610068, China

Received date: 2010-06-24

  Revised date: 2013-03-28

  Online published: 2012-01-20


Discovering knowledge from spatial database is an important aspect for GIS application study. Discovering tree species distribution knowledge and relationship knowledge from spatial database were discussed in Shimian County of Sichuan Province based on GIS. The forest resource data were used to create GIS database, from which the tree species layer was extracted. The raster database with the resolution of 10 m including DEM, annual accumulative temperature above 10 ℃ and annual precipitation were created by using GIS software. The knowledge of each tree species distribution along with the elevation, annual accumulative temperature above 10 ℃ and precipitation were discovered by the spatial overlain analysis and statistics analysis. The spatial neighborhood relationship knowledge among tree species were discovered by using the spatial topo analysis based on GIS and the tree species GIS database. The knowledge can be used for selecting suitable tree species and arranging the tree species spatial pattern in afforestation. The knowledge is also significant to the tree species interpretation in the remote sensing images. The method of knowledge discovering can also be used in other fields or other regions.

Cite this article

YANG Cun-jian, WANG Qin, WU Gui-shu, REN Ping, NI Jing . Discovering the Knowledge of Tree Species Distribution Based on GIS in Shimian County of Sichuan Province, China[J]. JOURNAL OF NATURAL RESOURCES, 2012 , 27(1) : 17 -24 . DOI: 10.11849/zrzyxb.2012.01.002


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