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Adams CA, Clair CCS, Knight EC, Bayne EM. Behaviour and landscape contexts determine the effects of artificial light on two crepuscular bird species. LANDSCAPE ECOLOGY 2024; 39:83. [PMID: 38550967 PMCID: PMC10965584 DOI: 10.1007/s10980-024-01875-3] [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: 05/25/2023] [Accepted: 02/13/2024] [Indexed: 04/29/2024]
Abstract
Context Artificial light at night (ALAN) is increasing worldwide, with many ecological effects. Aerial insectivores may benefit from foraging on insects congregating at light sources. However, ALAN could negatively impact them by increasing nest visibility and predation risk, especially for ground-nesting species like nightjars (Caprimulgidae). Objectives We tested predictions based on these two alternative hypotheses, potential foraging benefits vs potential predation costs of ALAN, for two nightjar species in British Columbia: Common Nighthawks (Chordeiles minor) and Common Poorwills (Phalaenoptilus nuttallii). Methods We modeled the relationship between ALAN and relative abundance using count data from the Canadian Nightjar Survey. We distinguished territorial from extra-territorial Common Nighthawks based on their wingboom behaviour. Results We found limited support for the foraging benefit hypothesis: there was an increase in relative abundance of extra-territorial Common Nighthawks in areas with higher ALAN but only in areas with little to no urban land cover. Common Nighthawks' association with ALAN became negative in areas with 18% or more urban land cover. We found support for the nest predation hypothesis: the were strong negative associations with ALAN for both Common Poorwills and territorial Common Nighthawks. Conclusions The positive effects of ALAN on foraging nightjars may be limited to species that can forage outside their nesting territory and to non-urban areas, while the negative effects of ALAN on nesting nightjars may persist across species and landscape contexts. Reducing light pollution in breeding habitat may be important for nightjars and other bird species that nest on the ground. Supplementary Information The online version contains supplementary material available at 10.1007/s10980-024-01875-3.
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Affiliation(s)
- Carrie Ann Adams
- Department of Biological Sciences, University of Alberta, CW 405, Biological Sciences Building, Edmonton, AB Canada
- Department of Fish, Wildlife and Conservation Biology, Colorado State University, 1474 Campus Delivery, Fort Collins, CO USA
| | - Colleen Cassady St. Clair
- Department of Biological Sciences, University of Alberta, CW 405, Biological Sciences Building, Edmonton, AB Canada
| | - Elly C. Knight
- Alberta Biodiversity Monitoring Institute, 1-107 Centennial Centre for Interdisciplinary Studies (CCIS), University of Alberta, Edmonton, AB Canada
| | - Erin M. Bayne
- Department of Biological Sciences, University of Alberta, CW 405, Biological Sciences Building, Edmonton, AB Canada
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Seymoure B, Dell A, Hölker F, Kalinkat G. A framework for untangling the consequences of artificial light at night on species interactions. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220356. [PMID: 37899016 PMCID: PMC10613547 DOI: 10.1098/rstb.2022.0356] [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: 07/26/2023] [Accepted: 09/08/2023] [Indexed: 10/31/2023] Open
Abstract
Although much evidence exists showing organismal consequences from artificial light at night (ALAN), large knowledge gaps remain regarding ALAN affecting species interactions. Species interactions occur via shared spatio-temporal niches among species, which may be determined by natural light levels. We review how ALAN is altering these spatio-temporal niches through expanding twilight or full Moon conditions and constricting nocturnal conditions as well as creating patches of bright and dark. We review literature from a database to determine if ALAN is affecting species interactions via spatio-temporal dynamics. The literature indicates a growing interest in ALAN and species interactions: 58% of the studies we analysed have been published since 2020. Seventy-five of 79 studies found ALAN altered species interactions. Enhancements and reductions of species interactions were equally documented. Many studies revealed ALAN affecting species interactions spatially, but few revealed temporal alterations. There are biases regarding species interactions and ALAN-most studies investigated predator-prey interactions with vertebrates as predators and invertebrates as prey. Following this literature review, we suggest avenues, such as remote sensing and animal tracking, that can guide future research on the consequences of ALAN on species interactions across spatial and temporal axes. This article is part of the theme issue 'Light pollution in complex ecological systems'.
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Affiliation(s)
- Brett Seymoure
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX 79968, USA
| | - Anthony Dell
- National Great Rivers Research and Education Center, Alton, IL 62024, USA
- Department of Biology, WashingtonUniversity in St Louis, St Louis, MO 63130, USA
| | - Franz Hölker
- Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), 14195 Berlin, Germany
- Institute of Biology, Freie Universität Berlin, 12587 Berlin, Germany
| | - Gregor Kalinkat
- Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), 14195 Berlin, Germany
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Hao Q, Wang L, Liu G, Ren Z, Wu Y, Yu Z, Yu J. Exploring the construction of urban artificial light ecology: a systematic review and the future prospects of light pollution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:101963-101988. [PMID: 37667125 DOI: 10.1007/s11356-023-29462-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/18/2023] [Indexed: 09/06/2023]
Abstract
Artificial light at night (ALAN) is rapidly growing and expanding globally, posing threats to ecological safety. Urban light pollution prevention and control are moving toward urban artificial light ecology construction. To clarify the need for light ecology construction, this work analyzes 1690 articles on ALAN and light pollution and 604 on ecological light pollution from 1998 to 2022. The development process and thematic evolution of light pollution research are combed through, the historical inevitability of artificial light ecology construction is excavated, and the ecological risks of light pollution to typical animals are summarized. The results show that international research has advanced to the ecological risk factors of light pollution and the related stress mechanisms, the quantification, prediction, and pre-warning by multiple technical means, and the translation of light pollution research outcomes to prevention and control practices. While Chinese scholars have begun to pay attention to the ecological risks of light pollution, the evaluation indicators and prevention and control measures remain primarily based on human-centered needs. Therefore, a more integrated demand-side framework of light ecology construction that comprehensively considers multiple risk receptors is further constructed. Given the development trend in China, we clarified the consistency of the ecological effect of landscape lighting with landsense ecology and the consistency of light ecological risk prevention and control with the concept of One Health. Ultimately, landsense light ecology is proposed based on the "One Health" concept. This work is expected to provide a reference and inspiration for future construction of urban artificial light ecology.
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Affiliation(s)
- Qingli Hao
- School of Architecture, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Building Physical Environment and Ecological Technology, Tianjin, 300072, China
| | - Lixiong Wang
- School of Architecture, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Building Physical Environment and Ecological Technology, Tianjin, 300072, China
| | - Gang Liu
- School of Architecture, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Building Physical Environment and Ecological Technology, Tianjin, 300072, China
| | - Zhuofei Ren
- School of Architecture, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Building Physical Environment and Ecological Technology, Tianjin, 300072, China
| | - Yuting Wu
- School of Architecture, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Building Physical Environment and Ecological Technology, Tianjin, 300072, China
| | - Zejun Yu
- School of Architecture, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Building Physical Environment and Ecological Technology, Tianjin, 300072, China
| | - Juan Yu
- School of Architecture, Tianjin University, Tianjin, 300072, China.
- Tianjin Key Laboratory of Building Physical Environment and Ecological Technology, Tianjin, 300072, China.
- School of Civil Engineering and Architecture, University of Jinan, Jinan, 250022, China.
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Katabaro JM, Yan Y, Hu T, Yu Q, Cheng X. A review of the effects of artificial light at night in urban areas on the ecosystem level and the remedial measures. Front Public Health 2022; 10:969945. [PMID: 36299764 PMCID: PMC9589889 DOI: 10.3389/fpubh.2022.969945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/18/2022] [Indexed: 01/25/2023] Open
Abstract
This paper attempts to realize the balance between humans and ecology in designing the nighttime light environment of urban parks by clarifying the influence of nighttime artificial light on the ecosystem of urban parks. Firstly, we reviewed the effects of nighttime artificial light on individual predation and reproduction of animals and personal growth and reproduction of plants. Secondly, we discuss the impact of individual changes caused by artificial lighting on ecosystem function at the ecosystem and analyze its advantages and disadvantages. The results showed that nighttime artificial light had a double-sided impact on the ecosystem, which would hurt the ecosystem function, but had a positive effect on the green space, which lacked natural light and had high plant density. This paper focuses on the areas with increased application of artificial lighting and rich species of animals and plants in night cities, such as urban forest parks and urban green spaces. It discusses how to reduce the intrusion of artificial lighting on ecosystems and how to make better use of the positive effect of artificial light.
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Affiliation(s)
- Justine Mushobozi Katabaro
- Faculty of Architecture and Urban Planning, Chongqing University, Chongqing, China
- Key Laboratory of the Ministry of Education of Mountainous City and Towns Construction and New Technology, Chongqing University, Chongqing, China
| | - Yonghong Yan
- Faculty of Architecture and Urban Planning, Chongqing University, Chongqing, China
- Key Laboratory of the Ministry of Education of Mountainous City and Towns Construction and New Technology, Chongqing University, Chongqing, China
| | - Tao Hu
- Faculty of Architecture and Urban Planning, Chongqing University, Chongqing, China
- Key Laboratory of the Ministry of Education of Mountainous City and Towns Construction and New Technology, Chongqing University, Chongqing, China
| | - Quan Yu
- Faculty of Architecture and Urban Planning, Chongqing University, Chongqing, China
- Key Laboratory of the Ministry of Education of Mountainous City and Towns Construction and New Technology, Chongqing University, Chongqing, China
| | - Xiang Cheng
- Faculty of Architecture and Urban Planning, Chongqing University, Chongqing, China
- Key Laboratory of the Ministry of Education of Mountainous City and Towns Construction and New Technology, Chongqing University, Chongqing, China
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