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- Title
Do you see what I see? Variation in detection, identification and enumeration of mammals during transect surveys.
- Authors
Goodenough, Anne E.; Berry, Danielle L.; Carpenter, William S.; Dawson, Melissa; Furlong, Natasha; Lamb, Rachel J.; MacTavish, Lynne; O'Reilly, Niall; Toms, Hannah; Whitehead, Lauren H.; Hart, Adam G.
- Abstract
Effective monitoring, management and conservation of wildlife axiomatically depend on accurate data but causes of variation, including inter-observer variation, are rarely explicitly quantified. Here, under controlled conditions, we demonstrate considerable variation in detection, identification and enumeration of (theoretically) readily identifiable African mammals at a reserve with a known species assemblage. Detection: 97.8% of sightings were missed by ≥1 observer; frequency of detection was affected by observer ID, detection distance, visibility and animal group size. Identification: just 3/14 species were identified consistently at all sightings. Enumeration: lack of consensus for 60.5% of sightings; consensus likelihood was affected by visibility and group size.
- Subjects
WILDLIFE conservation; BODY size; MAMMALS; IDENTIFICATION
- Publication
African Journal of Ecology, 2024, Vol 62, Issue 1, p1
- ISSN
0141-6707
- Publication type
Article
- DOI
10.1111/aje.13205