【摘要】 通过调整捕捞系数和研究种群作用系数,使得策略最优.运用动力系统理论对2种群捕食—食饵系统的捕获与优化进行了定性的分析,证明了该系统不存在极限环的充分条件,并讨论了其生态意义.更多还原

【Abstract】 The density constrain predator-prey system mathematical model and optimization of qualitative by dynamical system theories are studied,the plane autonomous system qualitative structure problem is discussed,and it is proved that there is a sufficient condition of no limit circles on the plane autonomous system.And its ecological significance is given.更多还原