| 西伯利亚幼鲟对偶极子电场的避让行为研究 |
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| 引用本文： | 杨全威,张旭光,郭弘艺,张博,宋佳坤.西伯利亚幼鲟对偶极子电场的避让行为研究[J].水生生物学报,2016,40(3):501-506. |
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| 作者姓名： | 杨全威 张旭光 郭弘艺 张博 宋佳坤 |
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| 作者单位： | 上海海洋大学水产与生命学院,海洋生物系统与神经科学研究所,上海201306 |
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| 基金项目： | 国家自然科学基金(41406150)，上海高校青年教师培养资助计划[Supported by the National Natural Science Foundation of China(41406150)，Special Research Fund for Supporting Young Teachers in Shanghai Education Institutions of China] |
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| 摘 要： | 研究利用人工偶极子电场来模拟生物电场刺激, 对西伯利亚幼鲟的电感受能力进行了行为探究。结果显示西伯利亚幼鲟对本实验中的偶极子电场产生躲避行为, 其平均感受阈值在2月龄为(457.532.5) V/cm,3月龄为(29.52.5) V/cm, 7月龄为(101.0) V/cm。这表明西伯利亚鲟鱼的电感受敏感性随个体的发育而增强, 而这可能与电感受器官数量的增加有关(2月龄为2234470, 7月龄为5273523)。
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| 关 键 词： | 鲟鱼 电感受 避让行为 阈值 壶腹器官 |
| 收稿时间： | 2016-01-11 |
THE AVOIDING RESPONSE TO DIPOLE STIMULI IN JUVENILE STURGEON |
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| Abstract: | Here, the electrosensory responses of juvenile siberian sturgeon to electric fields simulated by dipole were studied. The results showed that the fish can avoid the dipole electric fields, and significant differences in avoiding thresholds were observed among different age groups. The mean avoiding threshold was (457.532.5) V/cm at 2 months old, and it was (29.52.5) V/cm at 3 months old, and it reached (101.0) V/cm at 7 months old. The morphological observation showed that the electroreceptors increased from 2 month (2234470) to 7 month (5273523) old. These results suggest that the electrosensory sensitivity enhanced with increased electroreceptors in the development of the juvenile sturgeon. |
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| Keywords: | Sturgeon Electrosensory Avoiding behavior Threshold Ampullae |
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