Difference of spatial scale at which species operate (Henle and Kaule 1991).
Part of:
Henle K, Potts S, Kunin W, Matsinos Y, Simila J, Pantis J, Grobelnik V, Penev L, Settele J (Eds) (2014) Scaling in Ecology and Biodiversity Conservation. Advanced Books: e1169.
https://doi.org/10.3897/ab.e1169