科普專欄–薯不揀單 - 三十秒科學–動物也懂得耕種？

耕種是人們獲取糧食的其中一道主要途徑。462Please respect copyright.ＰＥＮＡＮＡUjOUmoaKXo
而事實上，大自然中亦有動物會使用「耕種」的方式來獲取食物。462Please respect copyright.ＰＥＮＡＮＡqBWmWmp3vh
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(圖2)切葉蟻(Leaf‐cutter ants)就是其中一種會利用「耕種」來取得糧食的動物。462Please respect copyright.ＰＥＮＡＮＡAE60FDNUIA
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在熱帶樹林中，牠們約佔草食性動物的人口25%左右，每年大約會清除樹林1-2噸的草生植物。462Please respect copyright.ＰＥＮＡＮＡ9OEsJJhFwh
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(圖3)牠們所清除的草生植物，並非是直接用於食用，而是儲存在深至地下8米的洞穴裡頭，在陰暗的環境下催迫菌類萌生在樹葉之上，而那些菌類才是牠們的真正糧食。462Please respect copyright.ＰＥＮＡＮＡnSU99zZPrR
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牠們此舉同時間亦造就了另一道的生態平衡，把葉子的養份帶到泥土深處，使泥土更為之充滿不同礦物質，並讓其他植物的根部更容易吸收。462Please respect copyright.ＰＥＮＡＮＡYEMxTDkzr7
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Ref1:https://besjournals.onlinelibrary.wiley.com/doi/10.1111/1365-2435.13319462Please respect copyright.ＰＥＮＡＮＡk6wtEIZ3Hk

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