問題詳情
5. 在臺灣南部某 2 公畝的甘蔗田中，分區用捕鼠籠誘捕野鼠，共捕獲 50 隻，標記後釋放回去，幾天後用同法捕獲48 隻野鼠，其中的 12 隻有標記。根據此資料估算此甘蔗田野鼠的族群密度（隻／公畝）為何？
(A) 6.5
(B) 50
(C) 200
(D) 100
(A) 6.5
(B) 50
(C) 200
(D) 100
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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