摘要
从浮游植物、浮游动物、底栖生物、水质因子4个方面对工厂化对虾养殖和池塘对虾养殖生态系统的差异进行了观察和分析。结果表明,工厂化对虾养殖系统中浮游植物、浮游动物及底栖生物的丰度均低于池塘对虾养殖系统(分别为22815个/ml<31590个/ml,490.5个/L<650.0个/L,4.5个/10cm2<267.5个/10cm2),而溶解氧(DO)含量、氨态氮(NH4-N)和无机磷(PO4-P)浓度均高于池塘养殖。工厂化养殖对虾的生长量、生长速度及存活率均低于池塘养殖,但其养殖密度高,能很好的弥补生长速度之不足,更好的利用水体获得更高的单位生产量。
The abundance of phytoplankton, zooplankton and benthos and water quality factors were observed and analysed in super-intensive and semi-intensive farming ponds in this study. The results showed that the number of phytoplankton （22 815 inds/ml 〈 31 590 inds/ml）, zooplankton（490.5 inds/L 〈 650. 0 inds/L） and benthos（4. 5 inds/10 cm^2〈 267. 5 inds/10 cm^2） were higher in semi-intensive farming ponds than super-intensive ones; but DO, NH4-N and PO4-P concentrations were just contrary to above indexes. Shrimp growth, growth rate and survival rate in super-intensive farming ponds were lower than those in semi-intensive farming ponds, but super-intensive farming could gain higher production for super-intensive farming density was much higher than semi-intensive farming one.
出处
《海洋水产研究》
CSCD
北大核心
2006年第5期85-90,共6页
Marine Fisheries Research
基金
农业科技跨越计划(2003-5)
国家"十五"科技攻关计划(2004BA526B0201)共同资助
