Estimating Densities of Birds at Sea and the Proportion in Flight from Counts Made on Transects of Indefinite Width
Auteur : Anthony J. Gaston, B. T. Collins, Antony William Diamond, Canadian Wildlife Service
Date de publication : 1987
Éditeur : Environment Canada, Canadian Wildlife Service
Nombre de pages : 16
Résumé du livre
Presents methods for counting seabirds at sea without defining an outer transect width or measuring the distance to each sighting.