The assumption of equal catchability of marked and unmarked animals in mark-recapture sampling is examined. Violation of this assumption may come from two basic sources, heterogeneity or contagion, ...

This is a preview. Log in through your library . Abstract To overcome costs and logistical constraints associated with capturing and marking a sufficient number of elk (Cervus elaphus) for population ...

WHEN studying, in the summer of 1939, a mid-Swedish population of the grass-snake, Natrix n. natrix (L.), we considered it necessary to work out some method of identifying each individual snake from ...