养殖水体悬浮物对对虾生长和浮游细菌群落的影响
PDF下载 (572)陈 伟,杜世聪,刘佳佳,张德民,金中文,申屠基康,姚志远.养殖水体悬浮物对对虾生长和浮游细菌群落的影响[J].宁波大学学报(理工版),2019,32(3):1-8.DOI:
CHEN Wei,DU Shi-cong,LIU Jia-jia,ZHANG De-min,JIN Zhong-wen,,SHENTU Ji-kang,YAO Zhi-yuan*.Effects of suspended solids on the growth of shrimps and bacterioplankton community of aquaculture systems[J].Journal of Ningbo University(Natural Science & Engineering Edition),2019,32(3):1-8.DOI:
| Title: | Effects of suspended solids on the growth of shrimps and bacterioplankton community of aquaculture systems |
| 作者: | 陈 伟, 杜世聪, 刘佳佳, 张德民, 金中文, 申屠基康, 姚志远, YAO Zhi-yuan* |
| Author(s): | CHEN Wei, DU Shi-cong, LIU Jia-jia, ZHANG De-min, JIN Zhong-wen, , SHENTU Ji-kang, YAO Zhi-yuan* |
| 关键词: | 悬浮物; Illumina测序; 凡纳滨对虾; 浮游细菌; 养殖水质 |
| Keywords: | suspended solids; Illumina sequencing; Litopenaeus vannarmei; bacterioplankton; aquaculture water quality |
| 分类号: | Q938.1 |
| 文献标识码: | A |
| 摘要: | 悬浮物在养殖水体中普遍存在, 但对水体浮游细菌的影响却鲜有报道. 本文通过Illumina测序探讨去除悬浮物对对虾生长、水体理化指标及浮游细菌群落的影响, 结果表明: 去除悬浮物能显著提高对虾产量及饲料效率, 改善水质(显著降低水体中亚硝酸盐、硝酸盐、磷酸盐浓度, 显著提高水体中溶解氧). 此外, 去除悬浮物能显著增加浮游细菌群落的均匀度, 影响浮游细菌群落的结构; 温度、盐度、亚硝酸盐和总磷是驱动浮游细菌群落结构变异的主要环境因子. 相似度百分比分析表明, 微杆菌科、黄杆菌科、腐败螺旋菌科、红杆菌科等是造成处理间群落差异大的关键科, 这些浮游细菌丰度的变化特征与其已知的生态功能相一致. |
| Abstract: | Suspended solids are ubiquitous in aquaculture waters, but its effect on bacterioplankton in the water remains largely unknown. In this study, Illumina sequencing was used to investigate the effects of suspended solids removal on shrimp growth, physical and chemical indicators of water and bacterioplankton communities. The results showed that the removal of suspended matter can significantly increase shrimp yield, feed efficiency, and improve water quality (significantly reduce the concentration of nitrite, nitrate and phosphate in water, and significantly increase dissolved oxygen in water). In addition, removing suspended solids can significantly increase the evenness of the bacterioplankton community and alter the structure of the bacterioplankton community. Temperature, salinity, nitrite and total phosphorus are the main environmental factors that drive the variation of bacterioplankton community structure. Similarity percentage (SIMPER) showed that the families of Microbacteriaceae, Flavobacteriaceae, Saprospiraceae and Rhodobacteraceae are the key families that cause great differences in the communities between treatments. The variation in the abundance of these bacterioplankton is consistent with their known ecological functions |
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| 备注/Memo: | 收稿日期: 2018?06?19. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/ 基金项目: 国家自然科学基金（31672658）; 宁波市自然科学基金（2017C110001）. 第一作者: 陈伟（1990－）, 男, 湖北襄阳人, 在读硕士研究生, 主要研究方向: 微生物生态. E-mail: 1511085819@nbu.edu.cn *http://journallg.nbu.edu.cn/ |
