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cje ›› 1990, Vol. ›› Issue (4): 49-52,48.

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Simulation of Ecological Preference Areas of Lincoln Longwool Shcep Using Improved Fuzzy Resomble Order Method

Wen Shackai1, Ye Qikeng2, Zhang Yuan2, Chen Nanqiang3   

  1. 1. Commission for Integrated Swvey of Natural Resources, Academia Sinica;
    2. Beijing Agricultural University;
    3. Haimen Breeding Sheep Farm, Jiangsu Province
  • Received:1988-12-19 Revised:1989-03-15 Online:1990-08-10

Abstract: Ecological factors are solocted according to their functions to sheep and weight values ofvarieus factors are estimated by step regression method.The range areas of Lincoln longwoolsheep in Sichuan province are simulated by Fuzzy resemble order method.Simulation resultsare satisfacterily agreed with the reality.

Key words: Spring wheat, Drought resistance, Root redundancy, Water transportation