Waterbird counts on large water bodies: comparing ground and aerial methods during different ice conditions
The aerial and ground methods of counting birds in a coastal area during different ice conditions were compared. Ice coverage of water was an important factor affecting the results of the two methods. When the water was ice-free, more birds were counted from the ground, whereas during ice conditions...
Published in: | PeerJ |
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Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
PeerJ Inc.
2018
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Subjects: | |
Online Access: | https://doi.org/10.7717/peerj.5195 https://doaj.org/article/e1d7ca090a3b4bff88c87199a2c9889d |