【摘要】 叙述了在意大利那波利动物园内用树龄达５０ ａ 的两棵合欢树生物电位进行地震前兆观测的方法、装置等；给出了１９９０ 年５ 月１ 日至３１ 日坎帕尼亚地区２４ 次３ 级～５ 级地震前合欢树地震观测的资料；分析了这些地震前合欢树生物电位的异常形态；指出，合欢树生物电位可作为预测预报地震的首选树种。更多还原

【Abstract】 The observation method and instrument etc .that two silk trees , which have been growing and have reached about fifty years of age and both situated in a field o n the campus of Naples Zoo ,have been made use of measurements oftheir bioelect ric potential are discussed .The data of observation of silk tree twenty - four sm all and moderate earthquakes which approached magnitudes 3 to 5 in the vicinity of Campania region between May 1 and May 31 ,1990 is given . The abnormalformalities of bioelectric potential of silk tree priortothese earthquakes are analyze d .Itis suggest thatthe bioelectric potential of silk tree mighttake for pref erentialtree type of prediction earthquake .更多还原