SYNTHETIC CHARACTERS OF THE COMMUNITY 



61 



Table 3. — Scheme for the Determination of the Fidelity of the Species 



OF A Given Association 



P = degree of presence; A = degree of abundance (total estimate, see p. 34) 



Relationship of species with approximately the same vitality and 

 sociability 



In the given association 



In other associations 



Examples 



In determining fidelity, two general rules should be observed. 



1. Sociological mixtures are first to be eliminated. The occurrence 

 of characteristic species of the Xerobrometum in the open pine woods 

 along with Bromus cannot diminish the degree of fidelity of these 

 species in the Xerobrometum; neither can their occasional occurrence 



