Authors
Peter T Fretwell, Paul Scofield, Richard A Phillips
Publication date
2017/7
Journal
Ibis
Volume
159
Issue
3
Pages
481-490
Description
This study is the first to utilize 30‐cm resolution imagery from the WorldView‐3 (WV‐3) satellite to count wildlife directly. We test the accuracy of the satellite method for directly counting individuals at a well‐studied colony of Wandering Albatross Diomedea exulans at South Georgia, and then apply it to the closely related Northern Royal Albatross Diomedea sanfordi, which is near‐endemic to the Chatham Islands and of unknown recent population status due to the remoteness and limited accessibility of the colonies. At South Georgia, satellite‐based counts were comparable to ground‐based counts of Wandering Albatross nests, with a slight over‐estimation due to the presence of non‐breeding birds. In the Chatham Islands, satellite‐based counts of Northern Royal Albatross in the 2015/2016 season were similar to ground‐based counts undertaken on the Forty‐Fours islands in 2009/2010, but much lower than …
Total citations
2017201820192020202120222023202411012141312129