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应用生态学报 ›› 2018, Vol. 29 ›› Issue (4): 1359-1366.doi: 10.13287/j.1001-9332.201804.037

• 研究论文 • 上一篇    下一篇

不同斜生栅藻密度下布洛芬浓度对多刺裸腹溞生命表统计学参数的影响

谷静, 席贻龙*, 胡晓燕, 江慧   

  1. 安徽师范大学生命科学学院/安徽省重要生物资源的保护和利用研究省级重点实验室/皖江城市带退化生态系统的恢复与重建安徽省协同创新中心, 安徽芜湖 241000;
  • 收稿日期:2017-08-14 出版日期:2018-04-18 发布日期:2018-04-18
  • 通讯作者: * E-mail: ylxi1965@ 126.com
  • 作者简介:谷 静,女,1992年生,硕士研究生.主要从事浮游动物生态学研究.E-mail: jinggu1117@126.com
  • 基金资助:

    本文由国家自然科学基金项目(31470015)和安徽省高校生物环境与生态安全省级重点实验室专项基金项目(2004sys003)资助

Effects of ibuprofen concentration on life table demography of Moina macrocopa under different densities of Scenedesmus obliquus

GU Jing, XI Yi-long*, HU Xiao-yan, JIANG Hui   

  1. College of Life Sciences, Anhui Normal University/Provincial Key Laboratory of Conservation and Utilization of important Biotic Resources in Anhui Province/Center of Cooperative Innovation for Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt,Anhui Province, Wuhu 241000, Anhui, China;
  • Received:2017-08-14 Online:2018-04-18 Published:2018-04-18
  • Contact: * E-mail: ylxi1965@ 126.com
  • Supported by:

    This work was supported by the National Natural Science Foundation of China (31470015) and the Foundation of Anhui Province Key Laboratory of Biotic Environment and Ecological Safety (2004sys003).

摘要: 以多刺裸腹溞为受试生物,在较低(0.5×106 cells·mL-1)、中等(1.0×106 cells·mL-1)和较高(2.0×106 cells·mL-1)的斜生栅藻密度下研究了不同浓度(0、0.45、0.9、1.8、3.6、7.2 和14.4 mg·L-1)的布洛芬对多刺裸腹溞生命表统计学参数的影响.结果表明: 在较低和较高的食物密度下,布洛芬浓度分别对多刺裸腹溞的种群内禀增长率和生命期望具有显著性影响;但在3个食物密度下,布洛芬浓度对多刺裸腹溞的世代时间、净生殖率和总生殖率均无显著性影响.与对照组相比,在较低的食物密度下,暴露于0.45、0.9、3.6和14.4 mg·L-1布洛芬溶液中的多刺裸腹溞的种群内禀增长率显著降低;在较高的食物密度下,暴露于3.6 和14.4 mg·L-1布洛芬溶液中的多刺裸腹溞的生命期望显著延长.表明在较低的食物密度下,布洛芬对多刺裸腹溞的种群增长具有不利的影响;但在中等和较高的食物密度下其不利影响消失.在较高的食物密度下,布洛芬对多刺裸腹溞的存活具有促进作用;但在较低和中等食物密度下其促进作用并未出现.布洛芬对多刺裸腹溞部分生命表统计学参数的影响因食物密度的不同而异.

关键词: 种群增长, 藻密度, 布洛芬浓度, 存活, 多刺裸腹溞, 生殖

Abstract: The cladoceran Moina macrocopa was used as test animal to investigate the effects of ibuprofen concentrations (0, 0.45, 0.9, 1.8, 3.6, 7.2 and 14.4 mg·L-1) on its life table demographic parameters under low (0.5×106 cells·mL-1), medium (1.0×106 cells·mL-1), and high (2.0×106 cells·mL-1) densities of Scenedesmus obliquus. The results showed that at low and high food levels, ibuprofen concentration significantly affected the intrinsic rate of population increase and the life expectancy of M. macrocopa, respectively. At all the three food levels, however, ibuprofen concentration did not significantly affect the generation time, net and gross reproduction rate of M. macrocopa. Compared with the controls, the intrinsic rate of population increase of M. macrocopaexposed to ibuprofen at 0.45, 0.9, 3.6 and 14.4 mg·L-1 was significantly decreased at low food level. At high food level, the life expectancy at hatching of M. macrocopa exposed to ibuprofen at 3.6 and 14.4 mg·L-1 was significantly increased. The results indicated that at low food level, certain concentrations of ibuprofen had negative effect on the population growth of M. macrocopa, which disappeared at medium and high food levels. At high food level, ibuprofen had positive effect on the survival of M. macrocopa, which disappeared at low and medium food levels. The effects of ibuprofen concentration on demographic parameters of M. macrocopa were dependent on food levels.

Key words: ibuprofen concentration, reproduction, Moina macrocopa, survival, population growth, algal density.