[Analysis on adaptive area of Curcuma wenyujin based on GIS]

This stdudy was to determine the suitable area for Curcuma wenyujin in Wenzhou, and expand its growing region, based the growth characteristic of Curcuma wenyujin.

The 13 main factors including climate, soil and other environmental conditions were selected. The best genuine production area was regarded as the goal area in similar calculation. The grid data was calculated from the station and sampling sites by Inverse Distance Interpolation on GIS. After normolizing to the grid data, the dimension effect was removed. on this basis, calculating the absolute distance of every cell to the the goal cell. Wenzhou region was divided into best suitable area, suitable area, second suitable area and unsuitable area by clustering analyzing.

Most of area in Wenzhou are suit for Curcuma wenyujin, best suitable area, suitable area, second suitable area and unsuitable area reach 98% area of Wenzhou.

This result give important reference value of Curcuma wenyujin breeding in Wenzhou.