Cited by 110Conservation, Biodiversity, and Resource ManagementWildlife Ecology and ConservationAnimal Vocal Communication and Behavior

Using soundscapes to detect variable degrees of human influence on tropical forests in Papua New Guinea

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Burivalova, Zuzana, Towsey, Michael, Boucher, Tim, Truskinger, Anthony, Apelis, Cosmas, Roe, Paul, Game, Edward T.·2018·Conservation Biology

Abstract

There is global concern about tropical forest degradation, in part, because of the associated loss of biodiversity. Communities and indigenous people play a fundamental role in tropical forest management and are often efficient at preventing forest degradation. However, monitoring changes in biodiversity due to degradation, especially at a scale appropriate to local tropical forest management, is plagued by difficulties, including the need for expert training, inconsistencies across observers, and lack of baseline or reference data. We used a new biodiversity remote‐sensing technology, the recording of soundscapes, to test whether the acoustic saturation of a tropical forest in Papua New Guinea decreases as land‐use intensity by the communities that manage the forest increases. We sampled soundscapes continuously for 24 hours at 34 sites in different land‐use zones of 3 communities. Land‐use zones where forest cover was fully retained had significantly higher soundscape saturation during peak acoustic activity times (i.e., dawn and dusk chorus) compared with land‐use types with fragmented forest cover. We conclude that, in Papua New Guinea, the relatively simple measure of soundscape saturation may provide a cheap, objective, reproducible, and effective tool for monitoring tropical forest deviation from an intact state, particularly if it is used to detect the presence of intact dawn and dusk choruses.

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  • Additional anthropogenic impacts such as logging or hunting can strongly affect the local fauna, but are not represented by recovery age.

    “Second, additional anthropogenic impacts as logging or hunting20,49 can strongly affect the local fauna, but are not represented by recovery age.”
  • Sound diversity, expressed via the Soundscape Saturation Index, declined and became less synchronized with forest fragmentation and loss in Papua New Guinea and Borneo.

    “Sound diversity, expressed via the Soundscape Saturation Index, declined and became less synchronized with forest fragmentation and loss in Papua New Guinea and Borneo19,20.”

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Research works printed but not linked: 3

  1. Akaike H. 1973. Information theory as an extension of the maximum likelihood principle. Pages 267-281 In Petrov BN, Csaki F, editors. Second international symposium on information theory. Akademiai Kiado, Budapest.
  2. Diamond JM. 1972. Avifauna of the eastern highlands of New Guinea. pp. 438 in Paynter RA, editor. Nuttal ornithological club, Cambridge, Massachusetts.
  3. Krause B. 1987. Bioacoustic: habitat ambience & ecological balance. Whole Earth Review 57:14-18.

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Authors
Burivalova, Z., Towsey, M., Boucher, T., Truskinger, A., Apelis, C., Roe, P., & Game, E. T.
Affiliations
  • Woodrow Wilson School of Public and International Affairs, and Department of Ecology and Evolutionary Biology Princeton University 406 Robertson Hall Princeton, NJ 08540 U.S.A.
  • Queensland University of Technology (AU)
  • The Nature Conservancy (US)
  • The University of Queensland (AU)
Venue
Conservation Biology
Publisher
Wiley
Published
2017-10-31
Volume
32
Issue
1
Pages
205-215
ISSN
  • 0888-8892 (ISSN-L)
  • 1523-1739
OpenAlex
W2763759612
Cited by
110
References
38
Citations by year
2026: 7 · 2025: 13 · 2024: 18 · 2023: 12 · 2022: 19 · 2021: 11 · 2020: 14 · 2019: 9 · 2018: 7
FWCI
5.69
Type
journal article
Language
en
Open access
Locations
  • Conservation Biology (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • QUT ePrints (Queensland University of Technology) (submittedVersion, cc-by)
Funders
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Conservation, Biodiversity, and Resource Management
  • Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
Keywords
tropical forest degradation, land use intensity, community forestry, indigenous forest management, biodiversity monitoring, forest fragmentation, Papua New Guinea
MeSH terms
Conservation of Natural Resources, Humans, Papua New Guinea, Tropical Climate, Biodiversity, Remote Sensing Technology, Forests

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