A STUDY ON THE CAUSE OF ABNORMAL ANIMAL BEHAVIOR BEFORE EARTHQUAKES--THE EFFECTS OF SULPHUREOUS GROUND GASES
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    Abstract:

    In this paper, the effects of SO2 gas which is a main composition in earthquake premonitory sulphureous ground gases on the behavior in mice, earthworm and budgeriga (Melopsittacus undulafus L.)are discussed.
    The experiments show that in mouse and earthworms some behavior responses are exhibited under the action of SO2 gas at 50 ppm, and at 100 ppm, they present behavior responses, such as frequent actings and escapings and so on. In budgerigas, the calling frequencies present relatively obvious abnormalities under the action of SO2 gas at 100 ppm, and at 400 ppm, the calling frequencies remarkably decrease and the behavior responses, such as dull-looking, spreading plume and swinging head and so on are presented. Spilling sulphureous groundgases prior to earthquakes may be a main factor exciting behavior responses in rats living in holes, earthworm living in underground and budgeriga with sensitive olfaction.

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History
  • Received:December 05,1988
  • Revised:
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  • Online: July 04,2017
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