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cje ›› 1983, Vol. ›› Issue (4): 4-7.

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AN APPROACH TO THE FACTORS INDUCING SHARP DECREASE OF POPULATION AMOUNTS OF ANOPHELES HYRCANUS SINENSIS WIEDEMANN IN RICE-PLANTING REGION OF HUQIAO PFOPLE'S COMMUNE OF HUI COUNTY

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  1. Coordinated group of comprehensive prevention and control of mosquitoes in rice-planting region, Henan Province
  • Received:1982-12-18 Online:1983-10-10

Abstract: According to 5 years observation, the author considers that the factors inducing sharp decrease of populaticn amounts of Anopheles hyrcanus sinensis Wiedemann in rice-planting region of Huqiao people's commune of Hui County are mainly: 1. The reform of irrigation system of rice,i.e., the popularization of damping irrigation method; 2. The decrease of surface water and 3. The harness of environment. Such a measure of ecological prevention and control efficiently control the population amounts of Anopheles hyrcanus sinensis Wiedemann in this region.

Key words: Farmland ecosystem, CO2 flux, Transitional cal culation