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頁籤選單縮合
題 名 | 德班氏活額蝦幼苗之發育研究=Studies on Larval Development of the Rhynchocinetid Shrimp (Rhynchocinetes Durbanensis) |
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作 者 | 城振誠; 蔡萬生; | 書刊名 | 水產研究 |
卷 期 | 15:1 2007.06[民96.06] |
頁 次 | 頁13-35 |
分類號 | 439.66 |
關鍵詞 | 幼苗變態; 溫度; 生殖週期; 德班氏活額蝦; Larval development; Temperature; Reproductive cycle; Rhynchocinetes durbanensis; |
語 文 | 中文(Chinese) |
中文摘要 | 德班氏活額蝦 (Rhynchocinetes durbanensis) 的受精卵在水溫27.0 ± 1.0 ℃,鹽度31.0 ± 1.0 psu的環境下孵化,飼養55天,經過12期的眼幼苗及1期後期幼苗後,變態成稚蝦。本文為國內首篇描述德班氏活額蝦幼苗各期變態的特徵,並繪圖加以說明者。稚蝦經過2個月的飼養後即開始產卵。最小產卵體型全長30.0 mm、體長22.2 mm、頭胸甲長5.3 mm、產卵數285顆。德班氏活額蝦的生殖週期在水溫21.9 ± 1.1 ℃為20天;28.2 ± 0.5 ℃為10天。孵化時間在水溫22.0 ± 1.4 ℃為18天;29.2 ± 0.3 ℃為9天。生殖周期及孵化時間與水溫呈負相關。德班氏活額蝦的產卵量介於267~1,764顆。產卵量與頭胸甲長呈正相關。 |
英文摘要 | The larvae of Rhynchocinetes durbanensis grew through twelve zoea stages and one postlarvae stage and metamorphosed into the juvenile at 55 days cultivation under the 27.0 ± 1.0 ℃, 33.0 ± 1.0 psu. The major morphological characteristics of each stage was described and illustrated. The number of eggs of each ovigerous female varied from 267 to1,764. The eggs were hatched at 9 days after spawning under 29.2 ± 0.3 ℃ or at 18 days under 22.0 ± 1.4 ℃. The reproductive cycle was 10 days under 28.2 ± 0.5 ℃ or 20 days under 21.9 ± 1.1 ℃. |
本系統中英文摘要資訊取自各篇刊載內容。