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頁籤選單縮合
題名 | 不同生物互動影響下的最適混獲與丟棄=The Optimal By-Catch and Discarding under Species Interdependence |
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作 者 | 曾憲郎; 陳璽文; | 書刊名 | 農業與經濟 |
卷期 | 47 2011.12[民100.12] |
頁次 | 頁39-74 |
分類號 | 439.19 |
關鍵詞 | 混獲; 丟棄; 生物互動; Discarding; By-Catch; Species interdependence; |
語文 | 中文(Chinese) |
中文摘要 | 混獲為進行捕撈作業中無法完全避免的問題,隨著混獲的發生,可能產生丟棄的現象,非目標物種的丟棄不僅在經濟面產生損失,同時亦可能對資源存量造成傷害。而當物種間存在互動關係下,混獲與丟棄衍生的經濟成本與對資源存量的損害程度亦趨複雜。本研究將以物種間可能存在的互動關係出發,探討不同生物互動下,對於捕撈者最適決定與資源存量的可能影響。 |
英文摘要 | By-Catch is an unavoidable problem in fishery, and the occurrence of by-catch may lead to the phenomenon of discarding. Discarding of nontargeted species will not only result in the losses in economic, but may also damage the resource stock. As the interaction between species exists, the economic costs and the degree of damage derive from by-catch and discarding will become increasingly complicated. The research will start from the assumption of possible interactions between species, investigating that under different interactions between species, the possible influence to the optimal decision of fishermen and resource stocks. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。