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1、我们毕业啦其实是答辩的标题地方动物学课堂展示 鸟类迁徙是如何定位的 ？小组成员张子童 章俊鹏 张鲁育 张丁垚 张伉 张烁 张妍 张宇展示绪论参考文献展示内容展示总结CONTANTS展示绪论展示绪论参考文献展示内容展示总结迁徙（Migration）并非鸟类所特有的本能活动，但在动物迁 徙的研究中，鸟类的迁徙是最普遍 和最引人注目的，并一直是鸟类学 研究的重要课题之一。本次展示主要介绍鸟类定向研究的 某些进展。鸟类究竟依靠什么来定向就成了一个 极有意思的科学问题。参考文献展示绪论参考文献展示内容展示总结文献I鸟类定向的信 息及定向机制 尹荣伦鸟类的迁徙 导航定向 唐功鸟类利用地磁场 定向的机制 J
2、oshuaDomini cRizak鸟类迁徙导航定 位机制与人工设 施的影响 王辉文献II文献III文献IV展示内容由于视觉信息不是在任何情况下都能 满足定向的需要，因而需要提供非视 觉定向信息。非视觉定向(non-visual orientation)视觉定向是鸟对光刺激的一种反应， 用于定向的光信息有:太阳、星辰、 月球、陆标及偏振光的偏振面。视觉定向(visual orientation)参考文献展示内容展示总结展示绪论展示总结参考文献展示内容展示绪论143视觉 定向52太阳定向星辰定向月球定向偏振光定向陆标定向一、太阳定向(sun orientation) 展示总结参考文献展示内容展示
3、绪论桑特希(Santschi)在20世纪初对 蚜虫(Messor barbarus)研究研究紫翅椋鸟(Sturnus vulgaris)首次提出初至鸟类深入鸟类马修斯(Matthews)运用钟转变 技术改变绿头鸭的定向。在红背伯劳(Lanius collurio)、横 斑莺(Sylvia nisoria)、白喉带鸭 (Zonotrichia albicollis)及一种稀树 草原雀中已证实存在太阳定 向。二、偏振光定向 (polarized light orientation) 展示总结参考文献展示内容展示绪论原理鸟类可感受线性偏振光的偏振面(即 e 一矢量 )。e一矢量为鸟类提 供定向轴。
4、相关鸟类鸟类的偏振光定向研究甚少, 仅知鸽能利用 紫外光返巢 , 乌鸫(Turdus merula) 及某些蜂 鸟对紫外光非常敏感。但尚不知鸟能否利用 偏振光中的紫外光。用途可用来测定太阳的位置。而艾布尔 (Able ) 认 为它可为鸟提供独立的方向信息。三、星辰定向 (stellar orientation) 展示总结参考文献展示内容展示绪论观察鸟类蓝鹀蓝鹀黑头莺黑头莺黑头莺 (Sylvia atricapilla) 及红背伯劳在环 形定向笼中向近似于迁徙方向处扑腾、跳 跃; 阴夜空下则没有这种方向性活动。由此 表明鸟可用星辰来定向。 蓝鹤（Passerina cyanea)在春季天空中,具
5、有 春季生理状态的鸟向北定向, 具秋季生理状 态的鸟向南定向。因此 , 鸟类的星辰定向是 内源性控制的。 深入研究星辰定向的发育依赖于鸟的经验 ,即是后天 获得的。天空旋转轴(南一北)可为建立星辰 定向提供参照系统。不同物种星辰定向的 机理存在差异。四、月球定向 (lunar orientation) 展示总结参考文献展示内容展示绪论在定向笼中, 鸟对月球有明显的趋光 反应。以前认为月球根本不能不能为鸟提供定 向信息。但目前看来, 月球是一种潜潜 在在的定向信息, 尚需进一步研究。五、陆标定向 (landmark orientation) 展示总结参考文献展示内容展示绪论斑尾林鸽（Columb
6、a palumbus）灰鹤（Grus grus）陆标(主要是大水休)可为夜间迁 徙鸟提供定向信息。白日迁徒鸟 对主要地形特征 (如海岸、山脉) 发生反应。作用研究表明对迁徙定向有引导作用的大地形 特征可能包含在定向的进化中, 并可启动或校正遗传的方向趋 势。相关鸟类白天在海上飞行的斑尾林鸽 (Columba palumbus) 及灰鹤 (Grus grus) 把海波作为稳定的 “ 陆标 ” 补偿陆上飞行时的风 致漂 移。问题讨论研究结果研究背景研究方法1非视 觉定 向1.地磁场定向（Geomagnetic orientation)论文绪论论文总结展示总结参考文献展示内容展示绪论问题讨论研究结果
7、研究背景研究方法2TEXTIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the epoch of belief, and it was the epoch of incredulity. It was the season of light, and it was the season of darkness. It was the spring of hope, and it was the winter
8、of despair. ADD YOUR TITLEIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the epoch of belief, and it was the epoch of incredulity. It was the season of light, and it was the season of darkness. It was the spring of hope, and it wa
9、s the winter of despair. ADD YOUR TITLEIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the epoch of belief, and it was the epoch of incredulity. It was the season of light, and it was the season of darkness. It was the spring of ho
10、pe, and it was the winter of despair. ADD YOUR TITLE论文绪论论文总结展示总结参考文献展示内容展示绪论问题讨论研究结果研究背景研究方法3TEXTIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the epoch of belief, and it was the epoch of incredulity. It was the season of light,
11、and it was the season of darkness. It was the spring of hope, and it was the winter of despair. ADD YOUR TITLEIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the epoch of belief, and it was the epoch of incredulity. It was the seas
12、on of light, and it was the season of darkness. It was the spring of hope, and it was the winter of despair. ADD YOUR TITLEIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the epoch of belief, and it was the epoch of incredulity. It
13、 was the season of light, and it was the season of darkness. It was the spring of hope, and it was the winter of despair. ADD YOUR TITLE论文绪论论文总结展示总结参考文献展示内容展示绪论展示总结展示总结参考文献展示内容ABCIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the
14、epoch of belief, and it was the epoch of incredulity. It was the season of light, and it was the season of darkness. It was the spring of hope, and it was the winter of despair. ADD YOUR TITLEIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness
15、. It was the epoch of belief, and it was the epoch of incredulity. It was the season of light, and it was the season of darkness. It was the spring of hope, and it was the winter of despair. ADD YOUR TITLEIt was the best of times, it was the worst of times; it was the age of wisdom, it was the age of foolishness. It was the epoch of belief, and it was the epoch of incredulity. It was the season of light, and it was the season of darkness. It was the spring of hope, and it was the winter of despair. ADD YOUR TITLE展示绪论THANKS
