海南長臂猿全球數量只剩30隻,聚居在海南森林裡,屬全球頻危動物十大之一。661Please respect copyright.PENANAzzlFckKQnJ661Please respect copyright.PENANARmz7FAlbFp
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牠們擁有獨特的習性,近乎不會在陸地行走,只會在繁盛的樹冠中跳躍走動。661Please respect copyright.PENANAPW5EsNoCXL
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(圖2)然而,在颱風天災及人為活動的影響下,榭木數量逐漸減少,導致牠們的悽息地面積越來越細,越漸孤立。661Please respect copyright.PENANAgkCJjZFvCa661Please respect copyright.PENANA1iRrnNklfQ
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(圖3)其中有科學家發現(Ref1),一場颱風過後摧毀了不少樹木,使長臂猿慣常的路徑有所變動。661Please respect copyright.PENANAocIlNzkfNx661Please respect copyright.PENANAXpHNhjkCIv
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本應無縫連接著樹冠的地方出現相隔約10米的缺口,有不少臂猿均挽有猶豫態度應否飛躍對面,而飛躍過程中亦甚為驚險。661Please respect copyright.PENANA2eQsyQ9gk2
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(圖4)科學家最後找來爬樹高手,共花上5000美元建造兩條吊橋連接樹冠。661Please respect copyright.PENANAKyU1wg8g7c661Please respect copyright.PENANAsEvSlvDJxe
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吊橋建成176日後,才有第一隻長臂猿嘗試試用,隨後亦招來不少年輕臂猿用上各種方式行走。661Please respect copyright.PENANAxMyr17QqGT
但根據他們的觀察,年長的長臂猿依舊照用跳樹的方式走動,觀察小組只有錄得年長的長臂猿一次的吊橋使用。661Please respect copyright.PENANA2gKGyVuX9w
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吊橋的建立,明顯只是短期的解決辦法。661Please respect copyright.PENANA3CDd1jjs5y
如何有效保育頻危物種及預防物種頻危化,是一道所有人也應該深思的問題。661Please respect copyright.PENANAOwVIvZbbY6
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Ref1:https://www.nature.com/articles/s41598-020-72641-z#Sec13661Please respect copyright.PENANAZk32NXdKGw