On the efficiency of censusing waterbirds by boat
Referera så här
Haldin, M., & Ulfvens, J. (1987). On the efficiency of censusing waterbirds by boat. Ornis Fennica, 64(2), 74–75. Hämtad från https://ornisfennica.journal.fi/article/view/133237
Ornis Fennica is a peer-reviewed international ornithological journal published by BirdLife Finland. We publish analytical and experimental papers on the ecology, behaviour and biogeography of birds. Ornis Fennica is published quarterly with online early practice.
