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Moran PA, Bosse M, Mariën J, Halfwerk W. Genomic footprints of (pre) colonialism: Population declines in urban and forest túngara frogs coincident with historical human activity. Mol Ecol 2024; 33:e17258. [PMID: 38153193 DOI: 10.1111/mec.17258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 11/21/2023] [Accepted: 12/06/2023] [Indexed: 12/29/2023]
Abstract
Urbanisation is rapidly altering ecosystems, leading to profound biodiversity loss. To mitigate these effects, we need a better understanding of how urbanisation impacts dispersal and reproduction. Two contrasting population demographic models have been proposed that predict that urbanisation either promotes (facilitation model) or constrains (fragmentation model) gene flow and genetic diversity. Which of these models prevails likely depends on the strength of selection on specific phenotypic traits that influence dispersal, survival, or reproduction. Here, we a priori examined the genomic impact of urbanisation on the Neotropical túngara frog (Engystomops pustulosus), a species known to adapt its reproductive traits to urban selective pressures. Using whole-genome resequencing for multiple urban and forest populations we examined genomic diversity, population connectivity and demographic history. Contrary to both the fragmentation and facilitation models, urban populations did not exhibit substantial changes in genomic diversity or differentiation compared with forest populations, and genomic variation was best explained by geographic distance rather than environmental factors. Adopting an a posteriori approach, we additionally found both urban and forest populations to have undergone population declines. The timing of these declines appears to coincide with extensive human activity around the Panama Canal during the last few centuries rather than recent urbanisation. Our study highlights the long-lasting legacy of past anthropogenic disturbances in the genome and the importance of considering the historical context in urban evolution studies as anthropogenic effects may be extensive and impact nonurban areas on both recent and older timescales.
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Affiliation(s)
- Peter A Moran
- A-LIFE, Section Ecology & Evolution, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Mirte Bosse
- A-LIFE, Section Ecology & Evolution, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Animal Breeding and Genomics, Wageningen University and Research, Wageningen, The Netherlands
| | - Janine Mariën
- A-LIFE, Section Ecology & Evolution, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Wouter Halfwerk
- A-LIFE, Section Ecology & Evolution, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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2
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Zhou J, Liao Z, Liu Z, Guo X, Zhang W, Chen Y. Urbanization increases stochasticity and reduces the ecological stability of microbial communities in amphibian hosts. Front Microbiol 2023; 13:1108662. [PMID: 36713161 PMCID: PMC9878570 DOI: 10.3389/fmicb.2022.1108662] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 12/21/2022] [Indexed: 01/15/2023] Open
Abstract
Urbanization not only profoundly alters landscape profiles, ecosystems and vertebrate faunal diversity but also disturbs microbial communities by increasing stochasticity, vulnerability, biotic homogenization, etc. However, because of the buffering effect of host species, microbial communities are expected to be influenced by both host species and urbanization stresses. Therefore, the impacts of urbanization on animals' microbial symbionts could be more complex and uncertain. In this study, we quantified the urbanization degree of sampling sites and surveyed the gut and skin microbes of three amphibian host species in different sites in urban parks and nearby villages of Chengdu, Southwest China. Furthermore, a co-occurrence network analysis, the phylogenetic normalized stochasticity ratio and Sloan neutral community models were applied to infer the impact of urbanization on symbiotic microbial communities. For the three host species, urbanization increased the diversity of symbiotic microbes and the number of keystone microbial taxa. However, the negative effects of such increased diversification were evident, as the community stochasticity and co-occurrence network structure vulnerability also increased, while the network structure complexity and stability were reduced. Finally, the community stochasticity had positive associations with the network vulnerability, implying that the existence of many transient symbiotic rare microbial taxa in urban parks makes the symbiotic microbial community structure more fragile. Conclusively, urbanization increased the symbiotic microbial diversity at the cost of community stability; the results provide a new perspective for better understanding the complex triangulated environment-host-microbe relationship.
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Affiliation(s)
- Jin Zhou
- China-Croatia “Belt and Road” Joint Laboratory on Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, China,University of Chinese Academy of Sciences, Beijing, China
| | - Ziyan Liao
- China-Croatia “Belt and Road” Joint Laboratory on Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Zhidong Liu
- China-Croatia “Belt and Road” Joint Laboratory on Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,University of Chinese Academy of Sciences, Beijing, China
| | - Xuecheng Guo
- China-Croatia “Belt and Road” Joint Laboratory on Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,University of Chinese Academy of Sciences, Beijing, China
| | - Wenyan Zhang
- China-Croatia “Belt and Road” Joint Laboratory on Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,University of Chinese Academy of Sciences, Beijing, China
| | - Youhua Chen
- China-Croatia “Belt and Road” Joint Laboratory on Biodiversity and Ecosystem Services, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,*Correspondence: Youhua Chen,
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Verrelli BC, Alberti M, Des Roches S, Harris NC, Hendry AP, Johnson MTJ, Savage AM, Charmantier A, Gotanda KM, Govaert L, Miles LS, Rivkin LR, Winchell KM, Brans KI, Correa C, Diamond SE, Fitzhugh B, Grimm NB, Hughes S, Marzluff JM, Munshi-South J, Rojas C, Santangelo JS, Schell CJ, Schweitzer JA, Szulkin M, Urban MC, Zhou Y, Ziter C. A global horizon scan for urban evolutionary ecology. Trends Ecol Evol 2022; 37:1006-1019. [PMID: 35995606 DOI: 10.1016/j.tree.2022.07.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 07/21/2022] [Accepted: 07/27/2022] [Indexed: 10/31/2022]
Abstract
Research on the evolutionary ecology of urban areas reveals how human-induced evolutionary changes affect biodiversity and essential ecosystem services. In a rapidly urbanizing world imposing many selective pressures, a time-sensitive goal is to identify the emergent issues and research priorities that affect the ecology and evolution of species within cities. Here, we report the results of a horizon scan of research questions in urban evolutionary ecology submitted by 100 interdisciplinary scholars. We identified 30 top questions organized into six themes that highlight priorities for future research. These research questions will require methodological advances and interdisciplinary collaborations, with continued revision as the field of urban evolutionary ecology expands with the rapid growth of cities.
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Affiliation(s)
- Brian C Verrelli
- Center for Biological Data Science, Virginia Commonwealth University, Richmond, VA 23284, USA.
| | - Marina Alberti
- Department of Urban Design and Planning, University of Washington, Seattle, WA 98195, USA
| | - Simone Des Roches
- School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98195, USA
| | - Nyeema C Harris
- Applied Wildlife Ecology Lab, Yale School of the Environment, Yale University, New Haven, CT 06511, USA
| | - Andrew P Hendry
- Department of Biology, Redpath Museum, McGill University, Montreal, QC H3A 0C4, Canada
| | - Marc T J Johnson
- Department of Biology, Centre for Urban Environments, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada
| | - Amy M Savage
- Department of Biology and Center for Computational & Integrative Biology, Rutgers University-Camden, Camden, NJ 08103, USA
| | | | - Kiyoko M Gotanda
- Department of Biological Sciences, Brock University, St. Catharines, ON L2S 3A1, Canada; Département de Biologie, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada
| | - Lynn Govaert
- Leibniz Institute of Freshwater Ecology and Inland Fisheries, 12587 Berlin, Germany
| | - Lindsay S Miles
- Center for Biological Data Science, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - L Ruth Rivkin
- Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON L5L 1C6, Canada; Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Kristin M Winchell
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA
| | - Kristien I Brans
- Department of Biology, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Cristian Correa
- Instituto de Conservación Biodiversidad y Territorio, Centro de Humedales Río Cruces, Universidad Austral de Chile, Valdivia, 5090000, Chile
| | - Sarah E Diamond
- Department of Biology, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Ben Fitzhugh
- Department of Anthropology, University of Washington, Seattle, WA 98195, USA
| | - Nancy B Grimm
- School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA
| | - Sara Hughes
- School for Environment and Sustainability, University of Michigan, Ann Arbor, MI 48109, USA
| | - John M Marzluff
- School of Environmental and Forest Sciences, University of Washington, Seattle, WA 98195, USA
| | - Jason Munshi-South
- Louis Calder Center & Department of Biological Sciences, Fordham University, Armonk, NY 10504, USA
| | - Carolina Rojas
- Instituto de Estudios Urbanos y Territoriales, Centro de Desarrollo Sustentable CEDEUS, Pontificia Universidad Católica de Chile, El Comendador 1916, Providencia, 7500000, Santiago, Chile
| | - James S Santangelo
- Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON L5L 1C6, Canada
| | - Christopher J Schell
- Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Jennifer A Schweitzer
- Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37917, USA
| | - Marta Szulkin
- Centre of New Technologies, University of Warsaw, Banacha 2c, 02-097, Warsaw, Poland
| | - Mark C Urban
- Department of Ecology and Evolutionary Biology & Center of Biological Risk, University of Connecticut, Storrs, CT 06269, USA
| | - Yuyu Zhou
- Department of Geological and Atmospheric Sciences, Iowa State University, Ames, IA 50011, USA
| | - Carly Ziter
- Department of Biology, Concordia University, Montreal, QC H4B 1R6, Canada
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Miles LS, Carlen EJ, Winchell KM, Johnson MTJ. Urban evolution comes into its own: Emerging themes and future directions of a burgeoning field. Evol Appl 2021; 14:3-11. [PMID: 33519952 PMCID: PMC7819569 DOI: 10.1111/eva.13165] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 11/01/2020] [Indexed: 01/02/2023] Open
Abstract
Urbanization has recently emerged as an exciting new direction for evolutionary research founded on our growing understanding of rapid evolution paired with the expansion of novel urban habitats. Urbanization can influence adaptive and nonadaptive evolution in urban-dwelling species, but generalized patterns and the predictability of urban evolutionary responses within populations remain unclear. This editorial introduces the special feature "Evolution in Urban Environments" and addresses four major emerging themes, which include: (a) adaptive evolution and phenotypic plasticity via physiological responses to urban climate, (b) adaptive evolution via phenotype-environment relationships in urban habitats, (c) population connectivity and genetic drift in urban landscapes, and (d) human-wildlife interactions in urban spaces. Here, we present the 16 articles (12 empirical, 3 review, 1 capstone) within this issue and how they represent each of these four emerging themes in urban evolutionary biology. Finally, we discuss how these articles address previous questions and have now raised new ones, highlighting important new directions for the field.
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Affiliation(s)
- Lindsay S. Miles
- Department of BiologyUniversity of Toronto MississaugaMississaugaONCanada
- Centre for Urban EnvironmentsUniversity of Toronto MississaugaMississaugaONCanada
| | | | | | - Marc T. J. Johnson
- Department of BiologyUniversity of Toronto MississaugaMississaugaONCanada
- Centre for Urban EnvironmentsUniversity of Toronto MississaugaMississaugaONCanada
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