当前位置: 首页  科学研究  学术活动

动力系统与非线性分析研究所学术报告(范猛教授,东北师范大学)

来源:系统管理员 发布时间:2023-05-06

报告题目:Effects of temperature and salinity on growth of Aurelia aurita

报告人:范猛教授,东北师范大学

报告时间:2023年5月11日15:00-16:00

报告方式:腾讯会议,会议号:270-517-373

报告摘要:A three-stage life history model of Aurelia aurita is formulated to investigate the role of ephyra and explore the ecological effects of sea surface temperature and seawater salinity on blooms. Both theoretical analyses and numerical simulations are presented to explain the mechanisms of A. aurita blooms in specific seasons. Sensitivity analyses characterize the key factors that affect population sizes and provide a basis for feasible and effective control recommendations. In agreement with observational data, we then summarize the interannual variation patterns in the A. aurita population in Jiaozhou Bay and generalize its distribution in the Yellow Sea. This study shows that the occurrence of strobilation, ephyra development, and degree of asexual reproduction can significantly influence the steady states of A. aurita, and the population size of medusae is sensitive to medusa mortality and strobilation. The findings provide some valuable insights into revealing the mechanisms of A. aurita blooms and explain the connection between its population dynamics and environmental factors.

报告人简介:范猛,东北师范大学数学与统计学院二级教授、博士生导师。主要从事非线性动力学系统和生物数学研究,出版专著和教材各1部,共同主编论文集和进展特刊7部,发表论文百余篇,主持NSFC和省部级项目十余项,七年入选Elsevier中国高被引学者。曾在美国Arizona State University和Purdue University、加拿大York University和University of Alberta、日本Shimane University和Osaka Prefecture University等进行学术访问。现任4种期刊编委、中国数学会常务理事、中国数学会生物数学专业委员会副主任等。

邀请人:动力系统团队