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Battisti C. Changes in bird assemblages following an outdoor music festival: A BACI (before-after-control-impact) monitoring from central Italy. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 344:123384. [PMID: 38242304 DOI: 10.1016/j.envpol.2024.123384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
An assessment of the short-term effects of an outdoor music festival (Jova Beach Party event; July 2019; central Italy) on bird assemblages has been carried out, adopting a BACI (Before-After-Control-Impact) survey design, and using the point counts method both in the impact site (Impact, I; where the concert was held) and in comparable Control site (C). In the I site, data have been stratified both for urban (U) and agro-mosaic (M) habitats. When comparing before and after the music event, in IU site, the species richness and the Hill diversity index decreased, differently from CU where species richness a species abundance increased. Diversity profiles highlighted the impoverishment of bird assemblages after the event, but only in the Impact urban habitats. After the musical event, individual rarefaction curves for richness were lower in IU after the concert, while, differently in CU curves are higher. These data suggest an impact in bird assemblages limited to the urban site, due to the stress mainly induced by high intensity noise pollution. Musical events may disrupt the structure of synanthropic bird assemblages, inducing a dispersal of individuals towards the surrounding landscape. Starling (Sturnus vulgaris) appeared a particularly sensitive bird. However, further efforts are necessary to study the effects of these events at species level.
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Affiliation(s)
- Corrado Battisti
- "Torre Flavia" LTER (Long Term Ecological Research) Station, Città Metropolitana di Roma Capitale, Servizio Aree Protette - Parchi Regionali, Viale G. Ribotta 41, 00144, Roma, Italy.
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2
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Welsh GT, Anner SC, Westwood ML, Rockwell V, O'Toole H, Holiday M, Tinghitella RM. Consistent traffic noise impacts few fitness-related traits in a field cricket. BMC Ecol Evol 2023; 23:78. [PMID: 38124034 PMCID: PMC10731782 DOI: 10.1186/s12862-023-02190-2] [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: 06/12/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Anthropogenic habitat change is occurring rapidly, and organisms can respond through within-generation responses that improve the match between their phenotype and the novel conditions they encounter. But, plastic responses can be adaptive or maladaptive and are most likely to be adaptive only when contemporary conditions reasonably mimic something experienced historically to which a response has already evolved. Noise pollution is a ubiquitous anthropogenic stressor that accompanies expanding urbanization. We tested whether the amplitude of traffic noise influences a suite of fitness-related traits (e.g. survival, life history, reproductive investment, immunity) and whether that depends on the life stage at which the noise is experienced (juvenile or adult). Our treatments mimic the conditions experienced by animals living in urban roadside environments with variable vehicle types, but continuous movement of traffic. We used the Pacific field cricket, an acoustically communicating insect that was previously shown to experience some negative behavioral and life history responses to very loud, variable traffic noise, as a model system. RESULTS After exposing crickets to one of four traffic noise levels (silence, 50dBA, 60dBA, and 70dBA which are commonly experienced in their natural environment) during development, at adulthood, or both, we measured a comprehensive suite of fifteen fitness-related traits. We found that survival to adulthood was lower under some noise treatments than under silence, and that the number of live offspring hatched depended on the interaction between a female's juvenile and adult exposure to traffic noise. Both of these suggest that our noise treatments were indeed a stressor. However, we found no evidence of negative or positive fitness effects of noise on the other thirteen measured traits. CONCLUSIONS Our results suggest that, in contrast to previous work with loud, variable traffic noise, when noise exposure is relatively constant, plasticity may be sufficient to buffer many negative fitness effects and/or animals may be able to habituate to these conditions, regardless of amplitude. Our work highlights the importance of understanding how the particular characteristics of noise experienced by animals influence their biological responses and provides insight into how commensal animals thrive in human-dominated habitats.
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Affiliation(s)
- Gabrielle T Welsh
- Department of Biological Sciences, University of Denver, Denver, CO, USA.
| | - Sophia C Anner
- Department of Biological Sciences, University of Denver, Denver, CO, USA
- Department of Biology, University of Louisville, Louisville, KY, USA
| | - Mary L Westwood
- Department of Biological Sciences, University of Denver, Denver, CO, USA
- Department of Physics, University of Oxford, Oxford, UK
| | - Victoria Rockwell
- Department of Biological Sciences, University of Denver, Denver, CO, USA
| | - Hannah O'Toole
- Department of Biological Sciences, University of Denver, Denver, CO, USA
| | - Megan Holiday
- Department of Biological Sciences, University of Denver, Denver, CO, USA
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3
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Chen S, Liu Y, Patrick SC, Goodale E, Safran RJ, Pagani‐Núñez E. A multidimensional framework to quantify the effects of urbanization on avian breeding fitness. Ecol Evol 2023; 13:e10259. [PMID: 37404704 PMCID: PMC10316489 DOI: 10.1002/ece3.10259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 07/06/2023] Open
Abstract
Urbanization has dramatically altered Earth's landscapes and changed a multitude of environmental factors. This has resulted in intense land-use change, and adverse consequences such as the urban heat island effect (UHI), noise pollution, and artificial light at night (ALAN). However, there is a lack of research on the combined effects of these environmental factors on life-history traits and fitness, and on how these interactions shape food resources and drive patterns of species persistence. Here, we systematically reviewed the literature and created a comprehensive framework of the mechanistic pathways by which urbanization affects fitness and thus favors certain species. We found that urbanization-induced changes in urban vegetation, habitat quality, spring temperature, resource availability, acoustic environment, nighttime light, and species behaviors (e.g., laying, foraging, and communicating) influence breeding choices, optimal time windows that reduce phenological mismatch, and breeding success. Insectivorous and omnivorous species that are especially sensitive to temperature often experience advanced laying behaviors and smaller clutch sizes in urban areas. By contrast, some granivorous and omnivorous species experience little difference in clutch size and number of fledglings because urban areas make it easier to access anthropogenic food resources and to avoid predation. Furthermore, the interactive effect of land-use change and UHI on species could be synergistic in locations where habitat loss and fragmentation are greatest and when extreme-hot weather events take place in urban areas. However, in some instances, UHI may mitigate the impact of land-use changes at local scales and provide suitable breeding conditions by shifting the environment to be more favorable for species' thermal limits and by extending the time window in which food resources are available in urban areas. As a result, we determined five broad directions for further research to highlight that urbanization provides a great opportunity to study environmental filtering processes and population dynamics.
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Affiliation(s)
- Sihao Chen
- Department of Health and Environmental SciencesXi'an Jiaotong‐Liverpool UniversitySuzhouChina
- Department of Earth, Ocean and Ecological Sciences, School of Environmental SciencesUniversity of LiverpoolLiverpoolUK
| | - Yu Liu
- Key Laboratory for Biodiversity Science and Ecological Engineering, Ministry of Education, College of Life SciencesBeijing Normal UniversityBeijingChina
| | - Samantha C. Patrick
- Department of Earth, Ocean and Ecological Sciences, School of Environmental SciencesUniversity of LiverpoolLiverpoolUK
| | - Eben Goodale
- Department of Health and Environmental SciencesXi'an Jiaotong‐Liverpool UniversitySuzhouChina
| | - Rebecca J. Safran
- Department of Ecology and Evolutionary BiologyUniversity of ColoradoBoulderColoradoUSA
| | - Emilio Pagani‐Núñez
- Department of Health and Environmental SciencesXi'an Jiaotong‐Liverpool UniversitySuzhouChina
- School of Applied SciencesEdinburgh Napier UniversityEdinburghUK
- Centre for Conservation and Restoration ScienceEdinburgh Napier UniversityEdinburghUK
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4
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Jansson S, Brydegaard M, Mei L, Li T, Larsson J, Malmqvist E, Åkesson S, Svanberg S. Spatial monitoring of flying insects over a Swedish lake using a continuous-wave lidar system. ROYAL SOCIETY OPEN SCIENCE 2023; 10:221557. [PMID: 37234499 PMCID: PMC10206453 DOI: 10.1098/rsos.221557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 04/25/2023] [Indexed: 05/28/2023]
Abstract
We have used a continuous-wave bi-static lidar system based on the Scheimpflug principle in measurements on flying insects above, and in the vicinity of, a small lake located in a forested area in Southern Sweden. The system, which operates on triangulation principles, has a high spatial resolution at close distance, followed by a subsequent decline in resolution further from the sensor, related to the compact system design with a separation of transmitter and receiver by only 0.81 m. Our study showed a strong increase in insect abundance especially at dusk, but also at dawn. Insect numbers decreased over water compared to over land, and larger insects were over-represented over water. Further, the average size of the insects increased at night compared to day time.
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Affiliation(s)
- Samuel Jansson
- Department of Physics, Lund University, SE-221 00 Lund, Sweden
| | - Mikkel Brydegaard
- Department of Physics, Lund University, SE-221 00 Lund, Sweden
- Norsk Elektro Optikk AS, Østersjøveien 34, NO-0667 Oslo, Norway
- Department of Biology, Lund University, Ecology Building, SE-223 62 Lund, Sweden
| | - Liang Mei
- Department of Physics, Lund University, SE-221 00 Lund, Sweden
| | - Tianqi Li
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Center for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics and
| | - Jim Larsson
- Department of Physics, Lund University, SE-221 00 Lund, Sweden
| | - Elin Malmqvist
- Department of Physics, Lund University, SE-221 00 Lund, Sweden
| | - Susanne Åkesson
- Department of Biology, Lund University, Ecology Building, SE-223 62 Lund, Sweden
| | - Sune Svanberg
- Department of Physics, Lund University, SE-221 00 Lund, Sweden
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Center for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics and
- National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, People's Republic of China
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5
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Kok ACM, Berkhout BW, Carlson NV, Evans NP, Khan N, Potvin DA, Radford AN, Sebire M, Shafiei Sabet S, Shannon G, Wascher CAF. How chronic anthropogenic noise can affect wildlife communities. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2023.1130075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
Anthropogenic noise is a major pollutant in terrestrial and aquatic ecosystems. Since the industrial revolution, human activities have become increasingly noisy, leading to both acute and chronic disturbance of a wide variety of animals. Chronic noise exposure can affect animals over their lifespan, leading to changes in species interactions and likely altering communities. However, the community-level impacts of chronic noise are not well-understood, which impairs our ability for effective mitigation. In this review, we address the effects of chronic noise exposure on communities and explore possible mechanisms underlying these effects. The limited studies on this topic suggest that noise can affect communities by changing the behavior and/or physiology of species in a community, which results in direct or knock-on consequences for other species in the ecosystem. Major knowledge gaps remain due to the logistically complex and financially expensive nature of the long-term studies needed to address these questions. By identifying these gaps and suggesting approaches to answer them, we provide a road map toward mitigating the effects of a noisy world.
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6
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Veon JT, McClung MR. Disturbance of wintering waterbirds by simulated road traffic noise in Arkansas wetlands. J Wildl Manage 2023. [DOI: 10.1002/jwmg.22387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Affiliation(s)
- John T. Veon
- Department of Biology and Health Sciences Hendrix College 1600 Washington Avenue Conway AR 72032 USA
| | - Maureen R. McClung
- Department of Biology and Health Sciences Hendrix College 1600 Washington Avenue Conway AR 72032 USA
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7
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Byrne B, de Kort SR, Pedley SM. Leafcutter ants adjust foraging behaviours when exposed to noise disturbance. PLoS One 2022; 17:e0269517. [PMID: 35675369 PMCID: PMC9176835 DOI: 10.1371/journal.pone.0269517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/23/2022] [Indexed: 11/25/2022] Open
Abstract
We investigate the impact of anthropogenic noise on the foraging efficiency of leafcutter ants (Acromyrmex octospinosus) in a controlled laboratory experiment. Anthropogenic noise is a widespread, pervasive and increasing environmental pollutant and its negative impacts on animal fitness and behaviour have been well documented. Much of this evidence has come from studies concerning vertebrate species with very little evidence for terrestrial invertebrates, especially social living invertebrates. We compare movement speed, forage fragment size, and colony activity levels of ants exposed to intermittent elevated noise and in ambient noise conditions. We use intermittent and temporally unpredictable bursts of white noise produced from a vibration speaker to create the elevated noise profile. Ant movement speed increased under elevated noise conditions when travelling to collect forage material and when returning to the colony nest. The size of individually measured foraged material was significantly reduced under elevated noise conditions. Colony activity, the number of ants moving along the forage route, was not affected by elevated noise and was consistent throughout the foraging events. Increased foraging speed and smaller forage fragments suggests that the ants had to make more foraging trips over an extended period, which is likely to affect energy expenditure and increases exposure to predators. This is likely to have significant fitness impacts for the colony over time.
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Affiliation(s)
- Briony Byrne
- Ecology and Environment Research Centre, Department of Natural Sciences, Manchester Metropolitan University, Manchester, United Kingdom
| | - Selvino R. de Kort
- Ecology and Environment Research Centre, Department of Natural Sciences, Manchester Metropolitan University, Manchester, United Kingdom
| | - Scott M. Pedley
- Ecology and Environment Research Centre, Department of Natural Sciences, Manchester Metropolitan University, Manchester, United Kingdom
- * E-mail:
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8
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Abstract
AbstractInvertebrates comprise the most diversified animal group on Earth. Due to their long evolutionary history and small size, invertebrates occupy a remarkable range of ecological niches, and play an important role as “ecosystem engineers” by structuring networks of mutualistic and antagonistic ecological interactions in almost all terrestrial ecosystems. Urban forests provide critical ecosystem services to humans, and, as in other systems, invertebrates are central to structuring and maintaining the functioning of urban forests. Identifying the role of invertebrates in urban forests can help elucidate their importance to practitioners and the public, not only to preserve biodiversity in urban environments, but also to make the public aware of their functional importance in maintaining healthy greenspaces. In this review, we examine the multiple functional roles that invertebrates play in urban forests that contribute to ecosystem service provisioning, including pollination, predation, herbivory, seed and microorganism dispersal and organic matter decomposition, but also those that lead to disservices, primarily from a public health perspective, e.g., transmission of invertebrate-borne diseases. We then identify a number of ecological filters that structure urban forest invertebrate communities, such as changes in habitat structure, increased landscape imperviousness, microclimatic changes and pollution. We also discuss the complexity of ways that forest invertebrates respond to urbanisation, including acclimation, local extinction and evolution. Finally, we present management recommendations to support and conserve viable and diverse urban forest invertebrate populations into the future.
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9
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Liu Q, Gelok E, Fontein K, Slabbekoorn H, Riebel K. An experimental test of chronic traffic noise exposure on parental behaviour and reproduction in zebra finches. Biol Open 2022; 11:274974. [PMID: 35388881 PMCID: PMC9002793 DOI: 10.1242/bio.059183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/08/2022] [Indexed: 11/20/2022] Open
Abstract
Chronic traffic noise is increasingly recognised as a potential hazard to wildlife. Several songbird species have been shown to breed poorly in traffic noise exposed habitats. However, identifying whether noise is causal in this requires experimental approaches. We tested whether experimental exposure to chronic traffic noise affected parental behaviour and reproductive success in zebra finches (Taeniopygia guttata). In a counterbalanced repeated-measures design, breeding pairs were exposed to continuous playback of one of two types of highway noise previously shown to be either neutral (control) or aversive. Parental nest attendance positively correlated with feeding effort and was higher for the aversive than the control sound and this effect was more pronounced for parents attending larger broods. However, neither noise condition affected offspring number, growth or body mass. The absence of an effect held when we combined our data with data from two other comparable studies into a meta-analysis. We discuss whether the increased nest attendance could be a compensatory strategy that alleviated detrimental noise effects on the chicks, and whether it could be caused by impaired parent-offspring or within-pair communication. Future work should test these hypotheses and investigate potential long-term costs of increased parental engagement.
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Affiliation(s)
- Quanxiao Liu
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Esther Gelok
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Kiki Fontein
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Hans Slabbekoorn
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Katharina Riebel
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
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10
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Schoenfeldt A, Whitney KS. Bumble Bee (Bombus spp.) Abundance in New York Highway Roadsides across Levels of Roadside Mowing and Road Traffic. Northeast Nat (Steuben) 2022. [DOI: 10.1656/045.029.0105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Alyssa Schoenfeldt
- Environmental Science Program, Rochester Institute of Technology, Rochester NY 14623
| | - Kaitlin Stack Whitney
- Environmental Science Program, Rochester Institute of Technology, Rochester NY 14623
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11
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Gomes DGE, Toth CA, Bateman CC, Francis CD, Kawahara AY, Barber JR. Experimental river noise alters arthropod abundance. OIKOS 2021. [DOI: 10.1111/oik.08499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Dylan G. E. Gomes
- Dept of Biological Sciences, Boise State Univ. Boise ID USA
- Cooperative Inst. for Marine Resources Studies – Hatfield Marine Science Center, Oregon State Univ. Newport OR USA
| | - Cory A. Toth
- Dept of Biological Sciences, Boise State Univ. Boise ID USA
| | - Craig C. Bateman
- Florida Museum of Natural History, McGuire Center for Lepidoptera and Biodiversity, Univ. of Florida Gainesville FL USA
| | - Clinton D. Francis
- Dept of Biological Sciences, California Polytechnic State Univ. San Luis Obispo CA USA
| | - Akito Y. Kawahara
- Florida Museum of Natural History, McGuire Center for Lepidoptera and Biodiversity, Univ. of Florida Gainesville FL USA
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12
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Classen-Rodríguez L, Tinghitella R, Fowler-Finn K. Anthropogenic noise affects insect and arachnid behavior, thus changing interactions within and between species. CURRENT OPINION IN INSECT SCIENCE 2021; 47:142-153. [PMID: 34252592 DOI: 10.1016/j.cois.2021.06.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 06/23/2021] [Accepted: 06/29/2021] [Indexed: 06/13/2023]
Abstract
Urbanization and the by-product pollutants of anthropogenic activity pose unique threats to arthropods by altering their sensory environments. Sounds generated by human activities, like construction and road traffic, can oversaturate or interfere with biotic acoustic cues that regulate important ecological processes, such as trophic interactions and the coordination of mating. Here, we review recent work exploring how anthropogenic noise impacts inter-intra-specific interactions in insects and arachnids. We outline empirical frameworks for future research that integrate three mechanisms by which anthropogenic noise alters behavior through interference with acoustic cues: masking, distraction, and misleading. Additionally, we emphasize the need for experimental designs that more accurately replicate natural soundscapes. We encourage future investigations on the effects of developmental exposure to noise pollution and the impacts of multiple interacting sensory pollutants on insect and arachnid behavior.
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Affiliation(s)
- Leticia Classen-Rodríguez
- Department of Biology, Saint Louis University, Macelwane Hall, 3507 Laclede Avenue, St. Louis, MO 63103, USA.
| | - Robin Tinghitella
- Department of Biological Sciences, University of Denver, Olin Hall, 2190 E Iliff Avenue, Denver, CO 80210, USA
| | - Kasey Fowler-Finn
- Department of Biology, Saint Louis University, Macelwane Hall, 3507 Laclede Avenue, St. Louis, MO 63103, USA; Living Earth Collaborative, Saint Louis, MO, USA
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13
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Phillips JN, Termondt SE, Francis CD. Long-term noise pollution affects seedling recruitment and community composition, with negative effects persisting after removal. Proc Biol Sci 2021; 288:20202906. [PMID: 33849312 PMCID: PMC8059579 DOI: 10.1098/rspb.2020.2906] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/19/2021] [Indexed: 11/12/2022] Open
Abstract
Noise pollution can affect species' behaviours and distributions and may hold significant consequences for natural communities. While several studies have researched short-term effects of noise, no long-term research has examined whether observed patterns persist or if community recovery can occur. We used a long-term study system in New Mexico to examine the effects of continuous natural gas well noise exposure on seedling recruitment of foundational tree species (Pinus edulis, Juniperus osteosperma) and vegetation diversity. First, we examined seedling recruitment and vegetation diversity at plots where current noise levels have persisted for greater than 15 years. We then examined recruitment and diversity on plots where noise sources were recently removed or added. We found support for long-term negative effects of noise on tree seedling recruitment, evenness of woody plants and increasingly dissimilar vegetation communities with differences in noise levels. Furthermore, seedling recruitment and plant community composition did not recover following noise removal, possibly due in part to a lag in recovery among animals that disperse and pollinate plants. Our results add to the limited evidence that noise has cascading ecological effects. Moreover, these effects may be long lasting and noise removal may not lead to immediate recovery.
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Affiliation(s)
- Jennifer N. Phillips
- Department of Biological Sciences, California Polytechnic State University, 1 Grand Avenue, San Luis Obispo, CA 93407, USA
- Department of Life Sciences, Texas A&M San Antonio, 1 University Way, San Antonio, TX 78224, USA
| | - Sarah E. Termondt
- Department of Biological Sciences, California Polytechnic State University, 1 Grand Avenue, San Luis Obispo, CA 93407, USA
| | - Clinton D. Francis
- Department of Biological Sciences, California Polytechnic State University, 1 Grand Avenue, San Luis Obispo, CA 93407, USA
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14
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Bent AM, Ings TC, Mowles SL. Does anthropogenic noise affect the acoustic courtship interactions of Gryllus bimaculatus? Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Schulwitz SE, Hill GC, Fry V, McClure CJW. Evaluating citizen science outreach: A case-study with The Peregrine Fund's American Kestrel Partnership. PLoS One 2021; 16:e0248948. [PMID: 33784330 PMCID: PMC8009395 DOI: 10.1371/journal.pone.0248948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 03/08/2021] [Indexed: 12/03/2022] Open
Abstract
Citizen science programs can be powerful drivers of knowledge and scientific understanding and, in recent decades, they have become increasingly popular. Conducting successful research with the aid of citizen scientists often rests on the efficacy of a program’s outreach strategies. Program evaluation is increasingly recognized as a critical practice for citizen science practitioners to ensure that all efforts, including outreach, contribute to the overall goals of the program. The Peregrine Fund’s American Kestrel Partnership (AKP) is one such citizen science program that relies on outreach to engage participants in effective monitoring of a declining falcon species. Here, we examine whether various communication strategies were associated with desired outreach goals of the AKP. We demonstrate how social media, webcams, discussion boards, and newsletters were associated with perception of learning, agreement with our conservation messaging, and participation in our box monitoring program. Our results thus help us to improve our outreach methodology, suggest areas where other citizen science programs might improve their outreach efforts, and highlight future research priorities.
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Affiliation(s)
| | - Greg C. Hill
- School of Public Service, Boise State University, Boise, Idaho, United States of America
| | - Vanessa Fry
- Idaho Policy Institute, Boise State University, Boise, Idaho, United States of America
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16
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Elmer LK, Madliger CL, Blumstein DT, Elvidge CK, Fernández-Juricic E, Horodysky AZ, Johnson NS, McGuire LP, Swaisgood RR, Cooke SJ. Exploiting common senses: sensory ecology meets wildlife conservation and management. CONSERVATION PHYSIOLOGY 2021; 9:coab002. [PMID: 33815799 PMCID: PMC8009554 DOI: 10.1093/conphys/coab002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 10/27/2020] [Accepted: 01/06/2021] [Indexed: 05/21/2023]
Abstract
Multidisciplinary approaches to conservation and wildlife management are often effective in addressing complex, multi-factor problems. Emerging fields such as conservation physiology and conservation behaviour can provide innovative solutions and management strategies for target species and systems. Sensory ecology combines the study of 'how animals acquire' and process sensory stimuli from their environments, and the ecological and evolutionary significance of 'how animals respond' to this information. We review the benefits that sensory ecology can bring to wildlife conservation and management by discussing case studies across major taxa and sensory modalities. Conservation practices informed by a sensory ecology approach include the amelioration of sensory traps, control of invasive species, reduction of human-wildlife conflicts and relocation and establishment of new populations of endangered species. We illustrate that sensory ecology can facilitate the understanding of mechanistic ecological and physiological explanations underlying particular conservation issues and also can help develop innovative solutions to ameliorate conservation problems.
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Affiliation(s)
- Laura K Elmer
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology and Institute of Environmental and Interdisciplinary Science, Carleton University, Ottawa, ON K1S 5B6, Canada
| | - Christine L Madliger
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology and Institute of Environmental and Interdisciplinary Science, Carleton University, Ottawa, ON K1S 5B6, Canada
| | - Daniel T Blumstein
- Department of Ecology and Evolutionary Biology, Institute of the Environment and Sustainability, University of California, Los Angeles, Los Angeles, CA 90095-1606, USA
| | - Chris K Elvidge
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology and Institute of Environmental and Interdisciplinary Science, Carleton University, Ottawa, ON K1S 5B6, Canada
| | | | - Andrij Z Horodysky
- Department of Marine and Environmental Science, Hampton University, Hampton, VA 23668, USA
| | - Nicholas S Johnson
- USGS, Great Lakes Science Center, Hammond Bay Biological Station, Millersburg, MI 49759, USA
| | - Liam P McGuire
- Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
| | - Ronald R Swaisgood
- Institute for Conservation Research, San Diego Zoo Global, San Diego, CA 92027-7000, USA
| | - Steven J Cooke
- Fish Ecology and Conservation Physiology Laboratory, Department of Biology and Institute of Environmental and Interdisciplinary Science, Carleton University, Ottawa, ON K1S 5B6, Canada
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17
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Phillips BB, Bullock JM, Gaston KJ, Hudson‐Edwards KA, Bamford M, Cruse D, Dicks LV, Falagan C, Wallace C, Osborne JL. Impacts of multiple pollutants on pollinator activity in road verges. J Appl Ecol 2021. [DOI: 10.1111/1365-2664.13844] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
| | | | - Kevin J. Gaston
- Environment and Sustainability Institute University of Exeter Penryn UK
| | | | - Meg Bamford
- Environment and Sustainability Institute University of Exeter Penryn UK
| | - Dave Cruse
- Environment and Sustainability Institute University of Exeter Penryn UK
| | - Lynn V. Dicks
- School of Biological Sciences University of East Anglia Norwich UK
- Department of Zoology University of Cambridge Cambridge UK
| | - Carmen Falagan
- Environment and Sustainability Institute University of Exeter Penryn UK
| | - Claire Wallace
- School of Biological Sciences University of East Anglia Norwich UK
| | - Juliet L. Osborne
- Environment and Sustainability Institute University of Exeter Penryn UK
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18
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Bent AM, Ings TC, Mowles SL. Anthropogenic noise disrupts mate choice behaviors in female Gryllus bimaculatus. Behav Ecol 2021. [DOI: 10.1093/beheco/araa124] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Abstract
By assessing the sexual signals produced by conspecifics, individuals can make informed decisions on the best choice of mate, which can lead to reproductive fitness benefits. However, these communication systems are often vulnerable to disruption by conflicting with stimuli present in the environment. Anthropogenic noise may act as one such disruptive stimulus, leading to inefficient mate choice decisions and, thus, reductions to an animal’s fitness. In this study, the mate choice behaviors of female Gryllus bimaculatus were tested when presented with artificial male courtship songs of differing “quality” under different acoustic conditions. In ambient noise conditions, females significantly preferred mates paired with higher-quality songs, indicated by increased mating rates and reduced latency to mate. However, this mate selection pattern was disrupted in both traffic and white noise conditions. Additionally, “high-quality” courtship songs had an increased mounting latency in traffic and white noise conditions, when compared to ambient noise conditions. Making nonoptimal mating decisions, such as the ones seen here, can lead to deleterious fitness consequences, alter population dynamics, and weaken sexual selection, unless individuals adapt to cope with anthropogenic interference.
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Affiliation(s)
- Adam M Bent
- School of Life Sciences, Faculty of Science and Engineering, Anglia Ruskin University, Cambridge, Cambridgeshire, UK
- Department of Zoology, University of Cambridge, Cambridge, UK
| | - Thomas C Ings
- School of Life Sciences, Faculty of Science and Engineering, Anglia Ruskin University, Cambridge, Cambridgeshire, UK
| | - Sophie L Mowles
- School of Life Sciences, Faculty of Science and Engineering, Anglia Ruskin University, Cambridge, Cambridgeshire, UK
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19
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Gomes DGE, Hesselberg T, Barber JR. Phantom river noise alters orb‐weaving spider abundance, web size and prey capture. Funct Ecol 2020. [DOI: 10.1111/1365-2435.13739] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dylan G. E. Gomes
- Department of Biological Sciences Boise State University Boise ID USA
| | | | - Jesse R. Barber
- Department of Biological Sciences Boise State University Boise ID USA
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20
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Rebrina F, Petróczki K, Inhofer M, Reinhold K, Schmoll T. Motorway age is linked to larger body size, but not song carrier frequency, in male grasshoppers from roadside populations. Evol Ecol 2020. [DOI: 10.1007/s10682-020-10077-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Halfwerk W, van Oers K. Anthropogenic noise impairs foraging for cryptic prey via cross-sensory interference. Proc Biol Sci 2020; 287:20192951. [PMID: 32259473 DOI: 10.1098/rspb.2019.2951] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Anthropogenic noise levels are globally rising with profound impacts on ecosystems and the species that live in them. Masking or distraction by noise can interfere with relevant sounds and thereby impact ecological interactions between individuals of the same or different species. Predator-prey dynamics are particularly likely to be influenced by rising noise levels, with important population- and community-level consequences, as species may differentially adapt to noise disturbance. Acoustic noise can, however, also impair the use of visual information by animals through the process of cross-sensory interference, possibly impacting species interactions that have so far been largely ignored by noise impact studies. Here, we assessed how noise affected the performance of great tit (Parus major) foraging on cryptic prey. Birds trained individually to search for paper moths differing in the level of camouflage with the test background were tested in the presence and absence of noise. We found that noise significantly increased approach and attack latencies, but that the effect depended on the level of crypsis. Noise increased latencies for cryptic prey targets, but not for conspicuous and colour-matched prey targets. Our results show that noise can interfere with the processing of visual information, particularly in difficult tasks such as separating objects from a similar looking background. These results have important ecological and evolutionary implications as they demonstrate how globally rising anthropogenic noise levels can influence the arms race between predators and prey across sensory domains.
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Affiliation(s)
- Wouter Halfwerk
- Department of Ecological Science, VU University, Amsterdam, The Netherlands
| | - Kees van Oers
- Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands
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22
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Senzaki M, Kadoya T, Francis CD. Direct and indirect effects of noise pollution alter biological communities in and near noise-exposed environments. Proc Biol Sci 2020; 287:20200176. [PMID: 32183626 DOI: 10.1098/rspb.2020.0176] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Noise pollution is pervasive across every ecosystem on Earth. Although decades of research have documented a variety of negative impacts of noise to organisms, key gaps remain, such as how noise affects different taxa within a biological community and how effects of noise propagate across space. We experimentally applied traffic noise pollution to multiple roadless areas and quantified the impacts of noise on birds, grasshoppers and odonates. We show that acoustically oriented birds have reduced species richness and abundance and different community compositions in experimentally noise-exposed areas relative to comparable quiet locations. We also found both acoustically oriented grasshoppers and odonates without acoustic receptors to have reduced species richness and/or abundance in relatively quiet areas that abut noise-exposed areas. These results suggest that noise pollution not only affects acoustically oriented animals, but that noise may reverberate through biological communities through indirect effects to those with no clear links to the acoustic realm, even in adjacent quiet environments.
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Affiliation(s)
- Masayuki Senzaki
- Center for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, Onogawa 16-2, Tsukuba City, Ibaraki 305-8506, Japan.,Faculty of Environmental Earth Science, Hokkaido University, Nishi 5, Kita 10, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Taku Kadoya
- Center for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, Onogawa 16-2, Tsukuba City, Ibaraki 305-8506, Japan
| | - Clinton D Francis
- Department of Biological Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USA
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23
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24
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Gallego-Abenza M, Mathevon N, Wheatcroft D. Experience modulates an insect's response to anthropogenic noise. Behav Ecol 2020; 31:90-96. [PMID: 32372854 PMCID: PMC7191250 DOI: 10.1093/beheco/arz159] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 08/03/2019] [Accepted: 08/19/2019] [Indexed: 11/13/2022] Open
Abstract
In response to anthropogenic noise, vertebrates express modified acoustic communication signals either through individual plasticity or local population adaptation. In contrast, how insects respond to this stressor is poorly studied. Field crickets Gryllus bimaculatus use acoustic signals to attract and locate mates and are commonly found in noisy roadside environments, offering a powerful system to study the effects of anthropogenic noise on insect communication. Rapid repetition of sexual calls (chirps) is essential to attract females, but calling incurs energetic costs and attracts predators. As a result, males are predicted to reduce calling rates when background noise is high. Here, we combine observations and experimental playbacks to show that the responses of field cricket males to anthropogenic noise also depend on their previous experience with passing cars. First, we show that males living on highway edges decrease their chirp rate in response to passing cars. To assess whether this behavioral response depends on previous exposure to car noise, we then broadcast recordings of car noise to males located at different distances from the road and, therefore, with different previous exposure to car noise. Although all tested individuals responded to broadcasted traffic noise, males closest to the road decreased their chirp rate less than individuals calling further from the road. These results suggest that regular exposure to anthropogenic noise may decrease individuals' sensitivity and behavioral responses to noise, allowing them to maintain effective signaling rates. Behavioral plasticity modulated by experience may thus allow some insect species to cope with human-induced environmental stressors.
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Affiliation(s)
- Mario Gallego-Abenza
- Konrad Lorenz Forschungsstelle, Core Facility for Behaviour and Cognition, University of Vienna, Austria
- Department of Cognitive Biology, University of Vienna, Vienna, Austria
| | - Nicolas Mathevon
- Equipe Neuro-Ethologie Sensorielle, ENES/Neuro-PSI CNRS UMR9197, University of Lyon, Saint-Etienne, France
| | - David Wheatcroft
- Department of Ecology and Genetics, Uppsala University, Uppsala, Sweden
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25
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Shonfield J, Bayne E. Effects of industrial disturbance on abundance and activity of small mammals. CAN J ZOOL 2019. [DOI: 10.1139/cjz-2019-0098] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Anthropogenic disturbance can negatively impact animal populations and alter the behaviour of individuals. Disturbance associated with the energy sector has been increasing in the boreal forest of northern Alberta. Disturbances associated with the oil and gas industry vary in the infrastructure present and sensory stimuli generated. Two common types are compressor stations and roads. It is important to assess population consequences of disturbance on small mammals because they serve as prey, predators, and seed–spore dispersers in the terrestrial ecosystems that they inhabit. To test the effects of disturbance from the energy sector on the abundance and activity of small mammals, we used mark–recapture methods and live-trapped in forested areas with one side adjacent to a clearing with industrial infrastructure present (road or compressor station) or absent (control sites). We found no difference in abundance or activity of deer mice (Peromyscus maniculatus (Wagner, 1845)) and southern red-backed voles (Myodes gapperi (Vigors, 1830)) between sites and did not detect an edge effect on abundance within sites, regardless of the presence of industrial infrastructure. Our results suggest minimal effects of industrial disturbance on the abundance and activity of these species, and the infrastructure and sensory stimuli generated are unlikely to be key drivers of their population dynamics or behaviour.
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Affiliation(s)
- J. Shonfield
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - E.M. Bayne
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
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26
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Phillips JN, Ruef SK, Garvin CM, Le MLT, Francis CD. Background noise disrupts host-parasitoid interactions. ROYAL SOCIETY OPEN SCIENCE 2019; 6:190867. [PMID: 31598311 PMCID: PMC6774985 DOI: 10.1098/rsos.190867] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 08/27/2019] [Indexed: 06/10/2023]
Abstract
The soundscape serves as a backdrop for acoustic signals dispatched within and among species, spanning mate attraction to parasite host detection. Elevated background sound levels from human-made and natural sources may interfere with the reception of acoustic signals and alter species interactions and whole ecological communities. We investigated whether background noise influences the ability of the obligate parasitoid Ormia ochracea to locate its host, the variable field cricket (Gryllus lineaticeps). As O. ochracea use auditory cues to locate their hosts, we hypothesized that higher background noise levels would mask or distract flies from cricket calls and result in a decreased ability to detect and navigate to hosts. We used a field manipulation where fly traps baited with playback of male cricket advertisement calls were exposed to a gradient of experimental traffic and ocean surf noise. We found that increases in noise amplitude caused a significant decline in O. ochracea caught, suggesting that background noise can influence parasitoid-host interactions and potentially benefit hosts. As human-caused sensory pollution increases globally, soundscapes may influence the evolution of tightly co-evolved host-parasitoid relationships. Future work should investigate whether female cricket phonotaxis towards males is similarly affected by noise levels.
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27
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Field EN, Tokarz RE, Smith RC. Satellite Imaging and Long-Term Mosquito Surveillance Implicate the Influence of Rapid Urbanization on Culex Vector Populations. INSECTS 2019; 10:E269. [PMID: 31450570 PMCID: PMC6780205 DOI: 10.3390/insects10090269] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/16/2019] [Accepted: 08/20/2019] [Indexed: 11/16/2022]
Abstract
The ecology and environmental conditions of a habitat have profound influences on mosquito population abundance. As a result, mosquito species vary in their associations with particular habitat types, yet long-term studies showing how mosquito populations shift in a changing ecological landscape are lacking. To better understand how land use changes influence mosquito populations, we examined mosquito surveillance data over a thirty-four-year period for two contrasting sites in central Iowa. One site displayed increasing levels of urbanization over time and a dramatic decline in Culex pipiens group (an informal grouping of Culex restuans, Culex pipiens, and Culex salinarius, referred to as CPG), the primary vectors of West Nile virus in central Iowa. Similar effects were also shown for other mosquito vector populations, yet the abundance of Aedes vexans remained constant during the study period. This is in contrast to a second site, which reflected an established urban landscape. At this location, there were no significant changes in land use and CPG populations remained constant. Climate data (temperature, total precipitation) were compiled for each location to see if these changes could account for altered population dynamics, but neither significantly influence CPG abundance at the respective site locations. Taken together, our data suggest that increased landscape development can have negative impacts on Culex vector populations, and we argue that long-term surveillance paired with satellite imagery analysis are useful methods for measuring the impacts of rapid human development on mosquito vector communities. As a result, we believe that land use changes can have important implications for mosquito management practices, population modeling, and disease transmission dynamics.
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Affiliation(s)
- Eleanor N Field
- Department of Entomology, Iowa State University, Ames, IA 50011, USA
| | - Ryan E Tokarz
- Department of Entomology, Iowa State University, Ames, IA 50011, USA
| | - Ryan C Smith
- Department of Entomology, Iowa State University, Ames, IA 50011, USA.
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28
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Cinto Mejia E, McClure CJW, Barber JR. Large‐scale manipulation of the acoustic environment can alter the abundance of breeding birds: Evidence from a phantom natural gas field. J Appl Ecol 2019. [DOI: 10.1111/1365-2664.13449] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | - Jesse R. Barber
- Department of Biological Sciences Boise State University Boise Idaho
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29
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Raboin M, Elias DO. Anthropogenic noise and the bioacoustics of terrestrial invertebrates. ACTA ACUST UNITED AC 2019; 222:222/12/jeb178749. [PMID: 31217253 DOI: 10.1242/jeb.178749] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Anthropogenic noise is an important issue of environmental concern owing to its wide-ranging effects on the physiology, behavior and ecology of animals. To date, research has focused on the impacts of far-field airborne noise (i.e. pressure waves) on vertebrates, with few exceptions. However, invertebrates and the other acoustic modalities they rely on, primarily near-field airborne and substrate-borne sound (i.e. particle motion and vibrations, respectively) have received little attention. Here, we review the literature on the impacts of different types of anthropogenic noise (airborne far-field, airborne near-field, substrate-borne) on terrestrial invertebrates. Using literature on invertebrate bioacoustics, we propose a framework for understanding the potential impact of anthropogenic noise on invertebrates and outline predictions of possible constraints and adaptations for invertebrates in responding to anthropogenic noise. We argue that understanding the impacts of anthropogenic noise requires us to consider multiple modalities of sound and to cultivate a broader understanding of invertebrate bioacoustics.
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Affiliation(s)
- Maggie Raboin
- Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Damian O Elias
- Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, CA 94720, USA
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30
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Frick WF, Kingston T, Flanders J. A review of the major threats and challenges to global bat conservation. Ann N Y Acad Sci 2019; 1469:5-25. [PMID: 30937915 DOI: 10.1111/nyas.14045] [Citation(s) in RCA: 188] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 02/04/2019] [Accepted: 02/12/2019] [Indexed: 01/03/2023]
Abstract
Bats are an ecologically and taxonomically diverse group accounting for roughly a fifth of mammalian diversity worldwide. Many of the threats bats face (e.g., habitat loss, bushmeat hunting, and climate change) reflect the conservation challenges of our era. However, compared to other mammals and birds, we know significantly less about the population status of most bat species, which makes prioritizing and planning conservation actions challenging. Over a third of bat species assessed by the International Union for Conservation of Nature (IUCN) are considered threatened or data deficient, and well over half of the species have unknown or decreasing population trends. That equals 988 species, or 80% of bats assessed by IUCN, needing conservation or research attention. Delivering conservation to bat species will require sustained efforts to assess population status and trends and address data deficiencies. Successful bat conservation must integrate research and conservation to identify stressors and their solutions and to test the efficacy of actions to stabilize or increase populations. Global and regional networks that connect researchers, conservation practitioners, and local stakeholders to share knowledge, build capacity, and prioritize and coordinate research and conservation efforts, are vital to ensuring sustainable bat populations worldwide.
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Affiliation(s)
- Winifred F Frick
- Bat Conservation International, Austin, Texas.,Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California
| | - Tigga Kingston
- Department of Biological Science, Texas Tech University, Lubbock, Texas
| | - Jon Flanders
- Bat Conservation International, Austin, Texas.,School of Biological Sciences, University of Bristol, Bristol, United Kingdom
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31
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Bunkley JP, McClure CJW, Kawahara AY, Francis CD, Barber JR. Anthropogenic noise changes arthropod abundances. Ecol Evol 2017; 7:2977-2985. [PMID: 28479997 PMCID: PMC5415529 DOI: 10.1002/ece3.2698] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 10/22/2016] [Accepted: 11/24/2016] [Indexed: 11/26/2022] Open
Abstract
Anthropogenic noise is a widespread and growing form of sensory pollution associated with the expansion of human infrastructure. One specific source of constant and intense noise is that produced by compressors used for the extraction and transportation of natural gas. Terrestrial arthropods play a central role in many ecosystems, and given that numerous species rely upon airborne sounds and substrate‐borne vibrations in their life histories, we predicted that increased background sound levels or the presence of compressor noise would influence their distributions. In the second largest natural gas field in the United States (San Juan Basin, New Mexico, USA), we assessed differences in the abundances of terrestrial arthropod families and community structure as a function of compressor noise and background sound level. Using pitfall traps, we simultaneously sampled five sites adjacent to well pads that possessed operating compressors, and five alternate, quieter well pad sites that lacked compressors, but were otherwise similar. We found a negative association between sites with compressor noise or higher levels of background sound and the abundance of five arthropod families and one genus, a positive relationship between loud sites and the abundance of one family, and no relationship between noise level or compressor presence and abundance for six families and two genera. Despite these changes, we found no evidence of community turnover as a function of background sound level or site type (compressor and noncompressor). Our results indicate that anthropogenic noise differentially affects the abundances of some arthropod families. These preliminary findings point to a need to determine the direct and indirect mechanisms driving these observed responses. Given the diverse and important ecological functions provided by arthropods, changes in abundances could have ecological implications. Therefore, we recommend the consideration of arthropods in the environmental assessment of noise‐producing infrastructure.
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Affiliation(s)
| | | | - Akito Y. Kawahara
- Florida Museum of Natural HistoryUniversity of FloridaGainesvilleFLUSA
| | - Clinton D. Francis
- Department of Biological SciencesCalifornia Polytechnic State UniversitySan Luis ObispoCAUSA
| | - Jesse R. Barber
- Department of Biological SciencesBoise State UniversityBoiseIDUSA
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