Association Complex 



A group of associations which occupies a definitely cir- 

 cumscribed area. 



Association Fragment 



A stand or group of plants that lacks some of the charac- 

 teristics of its community type. 



Association, Index of 



A measure of the occurrence together of one species with 

 another, calculated by dividing the number of samples in 

 which one species occurs by the number of samples in which 

 both occur. 



Association, Interspecific 



The occurrence together of two or more species, e.g., 

 a parasite on a host, a grass and a legume mutually benefit- 

 ing by growing in proximity to each other. 



Association Segregate 



A Climax community which has become differentiated 

 out of a mixed or undifferentiated vegetation under the in- 

 fluence of climatic change, e.g., the beech-maple association 

 arising as a segregate from the mixed deciduous forest in 

 southeastern United States. 



Association Table 



A listing of species occurring in several stands of an 

 Association or Community -type, and including data on such 

 characteristics as abundance, cover, vitality, etc. syn. Syn- 

 thesis table, cf. Stand table. 



Association-type 



A group of similar associations. 



Associes 



In the Clements' usage a temporary, developmental com- 

 munity, cf. Association (3). 



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