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van Klink R, Sheard JK, Høye TT, Roslin T, Do Nascimento LA, Bauer S. Towards a toolkit for global insect biodiversity monitoring. Philos Trans R Soc Lond B Biol Sci 2024; 379:20230101. [PMID: 38705179 PMCID: PMC11070268 DOI: 10.1098/rstb.2023.0101] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 03/28/2024] [Indexed: 05/07/2024] Open
Abstract
Insects are the most diverse group of animals on Earth, yet our knowledge of their diversity, ecology and population trends remains abysmally poor. Four major technological approaches are coming to fruition for use in insect monitoring and ecological research-molecular methods, computer vision, autonomous acoustic monitoring and radar-based remote sensing-each of which has seen major advances over the past years. Together, they have the potential to revolutionize insect ecology, and to make all-taxa, fine-grained insect monitoring feasible across the globe. So far, advances within and among technologies have largely taken place in isolation, and parallel efforts among projects have led to redundancy and a methodological sprawl; yet, given the commonalities in their goals and approaches, increased collaboration among projects and integration across technologies could provide unprecedented improvements in taxonomic and spatio-temporal resolution and coverage. This theme issue showcases recent developments and state-of-the-art applications of these technologies, and outlines the way forward regarding data processing, cost-effectiveness, meaningful trend analysis, technological integration and open data requirements. Together, these papers set the stage for the future of automated insect monitoring. This article is part of the theme issue 'Towards a toolkit for global insect biodiversity monitoring'.
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Affiliation(s)
- Roel van Klink
- German Centre for Integrative Biodiversity Research Halle-Jena-Leipzig, Puschstrasse 4, Leipzig 04103, Germany
- Department of Computer Science, Martin-Luther-University Halle-Wittenberg, Von-Seckendorff-Platz 1 06120 Halle, Germany
| | - Julie Koch Sheard
- German Centre for Integrative Biodiversity Research Halle-Jena-Leipzig, Puschstrasse 4, Leipzig 04103, Germany
- Department of Ecosystem Services, Helmholtz-Centre for Environmental Research - UFZ, Permoserstr. 15, Leipzig 04318, Germany
- Friedrich Schiller University Jena, Institute of Biodiversity, Dornburger Straße 159, Jena 07743, Germany
- Department of Biology, Animal Ecology, University of Marburg, Karl-von-Frisch-Straße 8, Marburg 35043, Germany
| | - Toke T. Høye
- Department of Ecoscience, Aarhus University, C. F. Møllers Allé 8, Aarhus C 8000, Denmark
- Arctic Research Centre, Aarhus University, Ole Worms Allé 1, Aarhus C 8000, Denmark
| | - Tomas Roslin
- Department of Ecology, Swedish University of Agricultural Sciences (SLU), Ulls väg 18B, Uppsala 75651, Sweden
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, FI-00014 University of Helsinki, Helsinki, Finland
| | - Leandro A. Do Nascimento
- Science Department, biometrio.earth, Dr.-Schoenemann-Str. 38, Saarbrücken 66123 Deutschland, Germany
| | - Silke Bauer
- Swiss Federal Research Institute WSL, Zürcherstrasse 111, Birmensdorf CH-8903, Switzerland
- Swiss Ornithological Institute, Seerose 1, Sempach 6204, Switzerland
- Institute for Biodiversity and Ecosystem Dynamics, Sciencepark 904, Amsterdam 1098 XH, The Netherlands
- Department of Environmental Systems Science, ETH Zürich, Universitätstrasse 16 Zürich 8092, Switzerland
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Choi N, Miller P, Hebets EA. Vibroscape analysis reveals acoustic niche overlap and plastic alteration of vibratory courtship signals in ground-dwelling wolf spiders. Commun Biol 2024; 7:23. [PMID: 38182735 PMCID: PMC10770364 DOI: 10.1038/s42003-023-05700-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 12/12/2023] [Indexed: 01/07/2024] Open
Abstract
To expand the scope of soundscape ecology to encompass substrate-borne vibrations (i.e. vibroscapes), we analyzed the vibroscape of a deciduous forest floor using contact microphone arrays followed by automated processing of large audio datasets. We then focused on vibratory signaling of ground-dwelling Schizocosa wolf spiders to test for (i) acoustic niche partitioning and (ii) plastic behavioral responses that might reduce the risk of signal interference from substrate-borne noise and conspecific/heterospecific signaling. Two closely related species - S. stridulans and S. uetzi - showed high acoustic niche overlap across space, time, and dominant frequency. Both species show plastic behavioral responses - S. uetzi males shorten their courtship in higher abundance of substrate-borne noise, S. stridulans males increased the duration of their vibratory courtship signals in a higher abundance of conspecific signals, and S. stridulans males decreased vibratory signal complexity in a higher abundance of S. uetzi signals.
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Affiliation(s)
- Noori Choi
- School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE, USA.
- Max Planck Institute of Animal Behavior, Konstanz, Germany.
| | - Pat Miller
- University of Mississippi field station associate, Abbeville, MS, USA
| | - Eileen A Hebets
- School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE, USA
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Virant-Doberlet M, Stritih-Peljhan N, Žunič-Kosi A, Polajnar J. Functional Diversity of Vibrational Signaling Systems in Insects. ANNUAL REVIEW OF ENTOMOLOGY 2023; 68:191-210. [PMID: 36198397 DOI: 10.1146/annurev-ento-120220-095459] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Communication by substrate-borne mechanical waves is widespread in insects. The specifics of vibrational communication are related to heterogeneous natural substrates that strongly influence signal transmission. Insects generate vibrational signals primarily by tremulation, drumming, stridulation, and tymbalation, most commonly during sexual behavior but also in agonistic, social, and mutualistic as well as defense interactions and as part of foraging strategies. Vibrational signals are often part of multimodal communication. Sensilla and organs detecting substrate vibration show great diversity and primarily occur in insect legs to optimize sensitivity and directionality. In the natural environment, signals from heterospecifics, as well as social and enemy interactions within vibrational communication networks, influence signaling and behavioral strategies. The exploitation of substrate-borne vibrational signaling offers a promising application for behavioral manipulation in pest control.
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Affiliation(s)
- Meta Virant-Doberlet
- Department of Organisms and Ecosystems Research, National Institute of Biology, Ljubljana, Slovenia;
| | - Nataša Stritih-Peljhan
- Department of Organisms and Ecosystems Research, National Institute of Biology, Ljubljana, Slovenia;
| | - Alenka Žunič-Kosi
- Department of Organisms and Ecosystems Research, National Institute of Biology, Ljubljana, Slovenia;
| | - Jernej Polajnar
- Department of Organisms and Ecosystems Research, National Institute of Biology, Ljubljana, Slovenia;
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Grinfeder E, Lorenzi C, Haupert S, Sueur J. What Do We Mean by “Soundscape”? A Functional Description. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.894232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The concept of soundscape was originally coined to study the relationship between humans and their sonic environment. Since then, several definitions of soundscapes have been proposed based on musical, acoustical and ecological perspectives. However, the causal mechanisms that underlie soundscapes have often been overlooked. As a consequence, the term “soundscape” is frequently used in an ambiguous way, alternatively pointing to objective realities or subjective percepts. Through an interdisciplinary review, we identified the main biotic and abiotic factors that condition non-anthropogenic terrestrial soundscapes. A source-filter approach was used to describe sound sources, sound propagation phenomena and receiver’s characteristics. Interdisciplinary information was cross-referenced in order to define relationships between factors, sound sources and filters. Those relationships and the associated references were organized into a functional block diagram. This representation was used to question the different uses and meanings of the soundscape concept found in the literature. Three separate categories were then suggested: distal soundscape, proximal soundscape and perceptual soundscape. Finally, practical examples of these different categories were described, in relation to the diagram. This new systemic approach to soundscapes should help ecoacousticians, bioacousticians, psychoacousticians and environmental managers to better understand soundscapes and protect natural areas in a more significant way.
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