of mosses between clumps of grass and a Microcommunity- 

 type consists of an assemblage of microstands. cf. Closed 

 community. 



Community Complex 



A mixture of concrete communities or Stands, including 

 transitional stands, e.g., a sand-dune complex. 



Community Dynamics 



The aggregate of changes that take place within and be- 

 tween communities, cf. Succession, Syngenetics, Fluctuation. 



Community Mosaic 



The arrangement of two or more microstands making up 

 the plant and animal life of an area, such as the different 

 kinds of vegetation on the mounds and in the depressions in 

 a marsh or bog. 



Community Regulation 



See Homeostasis. 



Community-type 



(1) See Abstract community. (2) -A group or class of 

 similar abstract communities. 



Companion (Species) 



According to Braun-Blanquet's Fidelity classification the 

 species of plants that are not restricted to any definite kind 

 of vegetation unit. 



Companion Crop 



A crop which is grown with another crop, usually applied 

 to a small grain crop ("nurse crop") with which forage crops 

 are sown. 



Compatibility 



The capacity of two organisms to crossbreed successfully. 



Compensation Intensity 



The intensity of light at which the amount of oxygen 



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