Site-occupancy distribution modeling to correct population-trend estimates derived from opportunistic observations.
Kéry
Marc
M
Swiss Ornithological Institute, 6204 Sempach, Switzerland. marc.kery@vogelwarte.ch
Royle
J Andrew
JA
Schmid
Hans
H
Schaub
Michael
M
Volet
Bernard
B
Häfliger
Guido
G
Zbinden
Niklaus
N