重庆东温泉藻类群落研究

THE STUDIES OF ALGAE COMMUNITY IN EAST HOT SPRING OF CHONGQING

运用优势度原则和数量生态分类方法,对所掌握的重庆东温泉藻类采样鉴定资料进行了优势属、生态属组、群落类型分析,认定五个优势属,两个生态属组,四大类群落及群聚型,共计14种.在结果讨论中提出了群落对生境的确限度概念.

This paper focuses attention on the algae community at East Hot spring in Chongqing, By mathematic ecologic method the following works had been done, (l ) Divide the hot spring algaes into three ecologic genus groups-Lyngbys-Spirulina-Phormidium, Oscillatoris-Pinnularia two dominant ecologic genus groups and one accidental ecologic groups, Which includes seventeen genues,(2) Analyses the algae Dominanance and found it's end is as same as I. (3) By the dominance rule, Decide four kinds of algae community inthe spring, those are ?Selective community ( Lyngbya community), (2) preferent commnnity(Oscillataria community); (3) Companion community (Lyngbya - Pinnularia, Phormidium-Osci llatoria community), (4)Accidental community ( ten groups).(4) In discussion, author presents the 'community-fidelity1 idea.