[Definition] A group of individuals within an investigator-delimited area smaller than the geographic range of the species and often within a population (as defined above). A local population could be a disjunct population as well. [Term] 
Local population
S p e c i e s p o p u l a t i o n
M e t a p o p u l a t i o n
P o p u l a t i o n
A g g r e g a t i o n
D e m e
L o c a l p o p u l a t i o n
S u b p o p u l a t i o n