Matthews, GVT

Japanese: Matthews,G.V.T.(英語表記)MatthewsGVT
Matthews, GVT

…G. Kramer of Germany placed starlings in a circular cage with evenly spaced windows and discovered that when light was let in through the windows, they showed a certain direction to the light (orientation), but showed no direction at all on cloudy days. GVT Matthews of England developed the idea further from this experiment, proposing the theory that birds find their direction by the solar arc, that is, that birds have a solar compass. He also discovered that determining solar direction requires not only a solar compass but also the help of an internal biological clock. …

*Some of the terminology referenced in "Matthews, GVT" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ドイツのクラマーG.Kramerはホシムクドリを等間隔に窓をつけた円形のかごに入れ,窓から光を入れたところ光線に対してある一定の方向を示し(定位),曇天ではまったく方向性を示さないことを発見した。イギリスのマシューズG.V.T.Matthewsはさらにこの実験から考えを発展させて太陽弧によって鳥が方向性を見いだしている,つまり鳥が太陽コンパスをもっているという説を出した。さらに太陽方位の決定には太陽コンパスだけでなく,体内の生物時計の助けが必要であることも見いだした。…

※「Matthews,G.V.T.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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