CISO - Centro italiano studi ornitologici,
Counts of birds can inform studies with different goals, such as estimating population size, monitoring populations over time…
Counts of birds can inform studies with different goals, such as estimating population size, monitoring populations over time…
https://link.springer.com/chapter/10.1007/978-3-319-43314-1_10
Counting birds in urban areas: a review of methods for the estimation of abundance http://ow.ly/HKG4309pkkN
Counting birds in urban areas: a review of methods for the estimation of abundance ow.ly/xvsn309piwK