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理學院
生命科學專業學院—生命科學系
生物學報
生物學報
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/148
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search.filters.author.林洋如
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search.filters.author.杜銘章
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search.filters.subject.Goose dropping
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search.filters.subject.Quick lime
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search.filters.subject.Snake repel behavior
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search.filters.subject.Snakes
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search.filters.subject.石灰
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石灰或鵝糞是否具有防蛇的作用
(
國立臺灣師範大學生命科學學系
,
1997-12-??
)
林洋如
;
杜銘章
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石灰或鵝糞可以防蛇已在民間廣為流傳,但卻沒有任何實驗支持這樣的傳說,石灰能防蛇的可能原因是認為蛇在接觸生石灰後有炙熱作用,但蛇的表皮多相當乾爽,和生石灰接觸應不至於引起炙熱的感受,因此我們推測石灰應無阻擾蛇的作用。鵝糞能防蛇可能是鵝的領域行為很強,受攻擊的蛇因制約反應而學會避開鵝甚至鵝糞,因此我們推測:經常有機會與鵝接觸的蛇,對鵝糞會有明顯的躲避行為,其他的蛇則無明顯的反應。 我們以T型管隨機在分叉處的左邊或右邊放置石灰或鵝糞,記錄蛇的爬行選擇,以卡方分析法檢視結果。另以石灰或鵝糞畫一圓圈,將蛇放在圓心處,觀察蛇在接近和越過圓圈的行為反應。 結果顯示少數的蛇有爬離石灰或鵝糞的傾向,但種內差異甚至大,沒有任何蛇被困於石灰或鵝糞圈內,故石灰與鵝糞並不能有效的防蛇。
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