2[5]Ni Shaoxiang.A recent exploration of china's comprehensive physiographic regionalization[J].Journal of Nanjing University:Natural Sciences Edition,1994,30(4):706-714.[倪绍祥.中国综合自然地理区域新探[J].南京大学学报,1994,30(4):706-714.]
3[10]Harding J S,Winterbourn M J.An ecoregion classification of the South Island,New Zealand[J].Journal of Environmental Management,1997,51:275-287.
4[11]Oliver M A,Webster R.Kriging:a method of interpolation for geographical information systems Int[J].Geographical Information System,1990,4(3):313-332.
