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頁籤選單縮合
題 名 | Stock Assessment of the South Pacific Albacore by Using the Generalized Production Model, 1967-1991=以生產量模式評估南太平洋長鰭鮪資源 |
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作 者 | 葉裕民; 王健雄; | 書刊名 | 臺灣海洋學刊 |
卷 期 | 35:2 1996.06[民85.06] |
頁 次 | 頁125-139 |
分類號 | 439.24 |
關鍵詞 | 南太平洋長鰭鮪; 本間法; 泛線性模式; 最大持續生產量; South pacific albacore; Honma's method; GLM; MSY; |
語 文 | 英文(English) |
中文摘要 | 利用1967-1991年台灣、日本及韓國鮪延繩釣漁業的漁獲統計資料作為估計南太 平洋長鰭鮪的最大持續生產量之依據。分別採用本間法和泛線性模式作為努力量標準化的方 法。再由剩餘生產量模式來估計最大持續生產量。研究結果顯示:(l)於1978至1987年間, CPUE維持在比較穩定的階段。(2)利用本間法求得的有效努力量代入剩餘生產量模式所估計 出的最大持續生產量為31130公噸,而藉由泛線性模式求得的有效努力量所估計的最大持續 生產量則為31620公噸左右。(3)評估結果與王等在1988年所作的研究結果相當接近。(4) 近幾年的漁獲努力量與最適漁獲努力量估計值頗為接近。然而,若根據本間法的評估結果來 看,似乎顯示了過漁的現象;而泛線性模式的評估結果則並未顯示有此種現象。綜而觀之, 鮪延繩釣漁業的漁獲努力量仍不宜在短期內做大幅地增減。 |
英文摘要 | The maximum sustainable yield of albacore in the south Pacific Ocean was estimated by the generalized by both the Honma's method and the Generalized Linear Modeling (GLM) method, respectively. The results revealed that (1) CPUE showed the comparable steady state in 1978-1987; (2) the MSY was about 31130 mt by the Honma's method and 31620mt by the GLM method; (3) the results were very similar to those of Wang et al. (1988); (4) the effective efforts of recent years were closed to the optimum fishing effort level. However, they showed a little over exploitation according to the Honma's method and a little under exploitation by the GLM method. The strictly increasing or decreasing of south Pacific albacore tuna fisheries in recent years are not appreciable. |
本系統中英文摘要資訊取自各篇刊載內容。