| 鲢对黄颡鱼养殖池塘生态调控的影响 |
| Effect of Hypophthalmichthys molitrix on Biomanipulation in Pelteobagrus fulvidraco Breeding Ponds |
| 投稿时间：2008-09-11 |
| DOI： |
| 中文关键词:鲢 黄颡鱼 生态调控 浮游生物群落 |
| 英文关键词:Silver carp Pelteobagrus fulvidraco Biomanipulation Plankton community |
| 基金项目: |
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| 中文摘要: |
| 通过放养鲢（Hypophthalmichthys molitrix）对黄颡鱼（Pelteobagrus fulvidraco）养殖池塘生物操纵作用进行研究。结果表明，鲢的放养可有效减少水体中的浮游生物量，通过对大型浮游植物的控制，减少了蓝藻和绿藻的生物量，水体中TN、TP等营养物质得到一定程度的转化和去除，化学耗氧量（COD）、叶绿素（Chl-a）含量明显降低，水体透明度增加；同时，黄颡鱼生长性能得到提高。可见，鲢对养殖池塘水质具有调节和净化作用，能有效缓解水体富营养化进程。 |
| 英文摘要: |
| A trial was carried out to study the effect of silver carp （ Hypophthalmichthys molitrix） stocking on ecological management in Pelteobagrus fulvidraco cultivating pond. Two ponds, 533 m2 each, with a water depth of 1.40 m, were used in the trial. One pond was stocked only 950 ind. of P. fulvidraco （with an average body-weight of 35 ± 2 g/ind. ） as the control, the other pond stocked 100 ind. silver carp （with an average body-weight of 50± 3 g/ ind. ） besides P. fulvidraco. Chemical and planktonic characters of the pond water were analyzed once every 20 d after stocking. The results indicated that stocking of silver carp can effectively depress planktonic biomass, especially those of blue-green and green algae, via fiter-feeding. During the trial period, the concentration of total nitrogen （TN）, total phosphorus （TP）, COD and Chlorophyll a in the pond stocked with silver carp were lower and SD transparency was higher than those in control pond. Moreover, stocking silver carp in the same pond can improve the growth of P. fulvidraco. In conclusion, silver carp can improve water quality of the pond. |
| 彭刚,蔡永祥,宣云峰,陈校辉,王明华.2009.鲢对黄颡鱼养殖池塘生态调控的影响[J].水生态学杂志,30(4):43-47. |
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