《生态学》教学中几个问题的探讨  

About Several Problems in Ecology

作　　者：余世金[1] 周仪[1] 周丽华[1] 潘少兵[1] 万安[1] 

机构地区：[1]安庆师范学院资源环境学院,安徽安庆246003

出　　处：《安庆师范学院学报（自然科学版）》2014年第1期107-110,118,共5页Journal of Anqing Teachers College(Natural Science Edition)

基　　金：安徽省教育厅;安徽省财政厅高等学校省级质量工程教学研究项目(2012jyxm372);安庆师范学院教学研究项目(2010jyxm01)资助

摘　　要：对环境因子和生态因子概念的区别和联系、Lotka-Volterra模型中竞争物种获胜条件的推演、种群Logistic增长实验中K值的计算等三个问题进行了探讨,阐明了其中有疑问的概念和方法,对生态学的学科发展和教学都具有一定的帮助。This paper inquires into the three problems as below：differences and relationship between environmental factor and ecological factor; the way to deduce the species′winning conditions of the competition in Lotka-Volterra Model.The methods for calculating K value in the experiment about population′s Logistic growth.Some doubtful concepts and methods are clarified , which are important both for the development of ecology and its teaching .

关 键 词：环境因子 生态因子 LOTKA-VOLTERRA模型 LOGISTIC增长 

分 类 号：Q14[生物学—生态学]