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Callan Alexander

Queensland University of Technology

2 George Street

Brisbane, 4000

Australia

  • Queensland University of Technology

SCHOLARLY PAPERS

2

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301

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0

Scholarly Papers (2)

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1.

Predicting the ecological condition of grazed Australian landscapes using satellite-derived indices, patch metrics, and passive acoustic monitoring of birds

Number of pages: 39 Posted: 03 Sep 2025 Last Revised: 12 May 2026
David Tucker, Marina D. A. Scarpelli, Callan Alexander, Susan Fuller, Mark T. L. Bonner, Ella Dewilde, Sandra McEwan and David Rowlings
Queensland University of Technology, affiliation not provided to SSRN, Queensland University of Technology, Queensland University of Technology, Queensland University of Technology, Queensland University of Technology, Queensland University of Technology and Queensland University of Technology
Downloads 191 (403,391)

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biodiversity monitoring, BirdNET, Ecological condition, Elastic net regression, Passive acoustic monitoring, Patch metrics, vegetation indices

2.

Automated note annotation after bioacoustic classification: Unsupervised clustering of extracted acoustic features improves detection of a cryptic owl

Number of pages: 27 Posted: 16 Jan 2025 Last Revised: 20 Aug 2025
Callan Alexander, Robert Clemens, Paul Roe and Susan Fuller
Queensland University of Technology, Griffith University, Queensland University of Technology and Queensland University of Technology
Downloads 110 (640,165)

Abstract:

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Biacoustics, acoustic monitoring, clustering, UMAP, HDBSCAN, Powerful Owl