頁籤選單縮合
題 名 | Effects of Paddlewheel and Stocking Density on the Production of Tiger Prawn, Penaeus monodon, in Saline Ponds=水車及放養密度對鹹水池草蝦養殖之影響 |
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作 者 | 方新疇; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 18:4 1991.12[民80.12] |
頁 次 | 頁279-286 |
分類號 | 439.66 |
關鍵詞 | 水車; 放養密度; 草蝦養殖; 鹹水池; |
語 文 | 英文(English) |
中文摘要 | 利用12口面積約1/3公頃之鹹水蝦池養殖草蝦,討不同水車數目及放養密度對產量 之影響。經過兩實驗,所得結果顯示水車之存在雖然有其必要性,但水車數目之增加並未造 成產量顯著增加。當放全密度在每平方公尺20尾或以上時,養殖後期之平均草蝦體重因水車 數目增加而略有增加,但其幅度不及放養密度之降低來顯著。統計分析結果顯示放養密度與 產量可以以拋物線來表示其關係。當放養密度超過每平方公尺17尾時,總產量由於個體成長 方面之損失而呈現下降。 |
英文摘要 | The experiments were conducted in twelve 1/3 ha shallow-salt-water ponds, to study the effects of paddlewheel and stocking density (ranged of 4-25 per square meter) on the production of tiger prawn, Penaes monodon. Although suffering from disease loss during the culture period, results of the unaffected ponds had shown no significant difference on production when different number of paddlewheels was used. When stocking rates were higher than 20/m2, a slight increase of averaged individual weight resulted which may be attributed to heavier use of paddlewheels. Both averaged individual weight and production appeared to be significantly influenced by stocking density. Results from regression analysis showed that stocking more that stocking more than 17 per square meter resulted in low values of total yield because of decrease in weight gain. |
本系統中英文摘要資訊取自各篇刊載內容。