| 黄颡鱼瞬时耗氧率与窒息点的研究 |
| Instantaneous Oxygen Consumption Rate and Suffocation Point of Pelteobagrus fulvidraco |
| 投稿时间：2011-12-07 修订日期：2012-02-03 |
| DOI： |
| 中文关键词:黄颡鱼 瞬时耗氧率 窒息点 |
| 英文关键词:Pelteobagrus fulvidraco Richardson instantaneous oxygen consumption rate suffocation point |
| 基金项目:国家科技支撑计划项目(No.2007BAD37B02);湖北省“十一五”重大科技攻关项目(No.2006AA203A01) |
|
| 摘要点击次数: 3180 |
| 全文下载次数: 3350 |
| 中文摘要: |
| 在水温(28.0±0.5)℃下,用封闭静水式装置测定了体长1.90～11.03 cm、体重0.17～22.99 g黄颡鱼(Pel-teobagrus fulvidraco)的瞬时耗氧率和窒息点。结果表明,黄颡鱼窒息点(Sp)为0.33～0.60 mg/L,瞬时耗氧率(IRO2)为0.0119～0.2081 mg/g.h。Sp和IRO2随规格的增加而降低,黄颡鱼窒息点(Sp)与体长(L)、体重(W)的关系式分别为:Sp=0.7795L-0.3695(R2=0.9619)、Sp=0.4897W-0.1323(R2=0.9656);瞬时耗氧率(IRO2)与体长(L)、体重(W)的回归方程为:IRO2=0.7290L-0.5709(R2=0.9580)、IRO2=0.3549W-0.2036(R2=0.9539);IRO2随水中溶解氧(DO)的下降而下降,二者之间存在明显的线性关系。黄颡鱼属低窒息点鱼类,其呼吸类型可归属于顺应型。 |
| 英文摘要: |
| In this experiment，size related instantaneous oxygen consumption rate(IRO2)and suffocation point(Sp ) of yellow catfish with body length of 1 .90一11 .03 cm and body weight of 0. 17一22. 99 g were investigated by means of sealed-still water at (28. 0 ±0. 5)℃.The results showed that the range of Sp and IROz was 0. 33-0. 60 mg/L and 0. 0119一0.2081 mg/g•h. respectively，Both Sp and IROz of yellow catfish decreased with size increasing，and the power function between Sp and size，and IROz and size can be described as Sp = 0. 7795 L一0.3695 (R2 = 0. 9619)，Sp=0. 4897 W一0.1323 ( R2 = 0. 9656 ) and IROz=0. 7290L一0.5709(R2=0. 9580)，IRO2=0. 3549 W一0.2036(R2=0.9539)，respectively. IRO2of yellow catfish decreased with decreasing dissolved oxygen(DO)and there was a linear correlations between IROz and D0. This study suggests that yellow catfish has low suffocation point and its breath relegates to compliant style. |
| 杨凯,樊启学,张 磊,杨磊,周华,李波,方巍.2012.黄颡鱼瞬时耗氧率与窒息点的研究[J].水生态学杂志,33(2):127-131. |
| 查看全文 查看/发表评论 下载PDF阅读器 HTML |
