何谓“生态位” 在未解释“生态位”之前,我们先讲个小故事。一天,在俄罗斯的某座城市里,有位戴眼镜的中年人,走进一间实验室,将一种叫双小核草履虫和一种叫大草履虫的生物,分别放在两个相同浓度的细菌培养基中,几天后,这位中年人发现这两种生物的种群数量增长都呈S型曲线。接着,他把这两种生物又放入同一环境中培养,并控制一定的食物,16天后,培养基中只有双小核草履虫自由地活着,而 What is “niche” Before we explain “niche”, let's start with a little story. One day in a city in Russia, a middle-aged man with glasses walked into a laboratory and put a species called the biped nuclear paramecium and a species called the Paramecium on two In the same concentration of bacterial culture medium, a few days later, the middle-aged man found that the population growth of both species was S-shaped. Next, he put these two creatures into the same environment and trained them to control certain foods. Only 16 hours later, in the culture medium, only B. plicata lived freely,