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Candolin U, Rahman T. Behavioural responses of fishes to anthropogenic disturbances: Adaptive value and ecological consequences. JOURNAL OF FISH BIOLOGY 2023; 103:773-783. [PMID: 36647916 DOI: 10.1111/jfb.15322] [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: 10/30/2022] [Accepted: 01/14/2023] [Indexed: 05/17/2023]
Abstract
Aquatic ecosystems are changing at an accelerating rate because of human activities. The changes alter the abundance and distribution of fishes, with potential consequences for ecosystem structure and function. Behavioural responses often underlie these changes in population dynamics, such as altered habitat choice or foraging activity. Here, we present a framework for understanding how and why behaviour is affected by human activities and how the behavioural responses in turn influence higher ecological levels. We further review the literature to assess the present state of the field and identify gaps in our knowledge. We begin with discussing the factors that determine how an individual responds to a change in the environment and whether the response is adaptive or not. In particular, we explain the importance of the evolutionary history of the species. We then search the literature to assess our current knowledge of the impact of human disturbances on the behaviour of fishes and the consequences for ecosystems. The search reveals that much attention has been directed to the impact of human activities on the behaviour of fishes, but that worryingly little is known about the consequences of these responses for populations, communities and ecosystems. Yet, behavioural responses can have profound ecological consequences given that behaviour underly many, if not most, species interactions. Thus, more attention should be paid to the mechanisms and pathways through which behavioural responses influence higher ecological levels. Such information is needed if we are to determine the ultimate effects of human activities on biodiversity and the function and stability of aquatic ecosystems.
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Affiliation(s)
- Ulrika Candolin
- Organismal & Evolutionary Biology Research Programme, University of Helsinki, Helsinki, Finland
| | - Tawfiqur Rahman
- Organismal & Evolutionary Biology Research Programme, University of Helsinki, Helsinki, Finland
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Miller CL, Sun D, Thornton LH, McGuigan K. The Contribution of Mutation to Variation in Temperature-Dependent Sprint Speed in Zebrafish, Danio rerio. Am Nat 2023; 202:519-533. [PMID: 37792923 DOI: 10.1086/726011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
AbstractThe contribution of new mutations to phenotypic variation and the consequences of this variation for individual fitness are fundamental concepts for understanding genetic variation and adaptation. Here, we investigated how mutation influenced variation in a complex trait in zebrafish, Danio rerio. Typical of many ecologically relevant traits in ectotherms, swimming speed in fish is temperature dependent, with evidence of adaptive evolution of thermal performance. We chemically induced novel germline point mutations in males and measured sprint speed in their sons at six temperatures (between 16°C and 34°C). Heterozygous mutational effects on speed were strongly positively correlated among temperatures, resulting in statistical support for only a single axis of mutational variation, reflecting temperature-independent variation in speed (faster-slower mode). These results suggest pleiotropic effects on speed across different temperatures; however, spurious correlations arise via linkage or heterogeneity in mutation number when mutations have consistent directional effects on each trait. Here, mutation did not change mean speed, indicating no directional bias in mutational effects. The results contribute to emerging evidence that mutations may predominantly have synergistic cross-environment effects, in contrast to conditionally neutral or antagonistic effects that underpin thermal adaptation. We discuss several aspects of experimental design that may affect resolution of mutations with nonsynergistic effects.
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Abstract
Although research performed in cities will not uncover new evolutionary mechanisms, it could provide unprecedented opportunities to examine the interplay of evolutionary forces in new ways and new avenues to address classic questions. However, while the variation within and among cities affords many opportunities to advance evolutionary biology research, careful alignment between how cities are used and the research questions being asked is necessary to maximize the insights that can be gained. In this review, we develop a framework to help guide alignment between urban evolution research approaches and questions. Using this framework, we highlight what has been accomplished to date in the field of urban evolution and identify several up-and-coming research directions for further expansion. We conclude that urban environments can be used as evolutionary test beds to tackle both new and long-standing questions in evolutionary biology.
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Affiliation(s)
- Sarah E. Diamond
- Department of Biology, Case Western Reserve University, Cleveland, Ohio 44106, USA;,
| | - Ryan A. Martin
- Department of Biology, Case Western Reserve University, Cleveland, Ohio 44106, USA;,
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Martin RA, Chick LD, Garvin ML, Diamond SE. In a nutshell, a reciprocal transplant experiment reveals local adaptation and fitness trade-offs in response to urban evolution in an acorn-dwelling ant. Evolution 2021; 75:876-887. [PMID: 33586171 PMCID: PMC8247984 DOI: 10.1111/evo.14191] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 02/07/2021] [Indexed: 01/02/2023]
Abstract
Urban-driven evolution is widely evident, but whether these changes confer fitness benefits and thus represent adaptive urban evolution is less clear. We performed a multiyear field reciprocal transplant experiment of acorn-dwelling ants across urban and rural environments. Fitness responses were consistent with local adaptation: we found a survival advantage of the "home" and "local" treatments compared to "away" and "foreign" treatments. Seasonal bias in survival was consistent with evolutionary patterns of gains and losses in thermal tolerance traits across the urbanization gradient. Rural ants in the urban environment were more vulnerable in the summer, putatively due to low heat tolerance, and urban ants in the rural environment were more vulnerable in winter, putatively due to an evolved loss of cold tolerance. The results for fitness via fecundity were also generally consistent with local adaptation, if somewhat more complex. Urban-origin ants produced more alates in their home versus away environment, and rural-origin ants had a local advantage in the rural environment. Overall, the magnitude of local adaptation was lower for urban ants in the novel urban environment compared with rural ants adapted to the ancestral rural environment, adding further evidence that species might not keep pace with anthropogenic change.
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Affiliation(s)
- Ryan A. Martin
- Department of BiologyCase Western Reserve UniversityClevelandOhio44106
| | - Lacy D. Chick
- Department of BiologyCase Western Reserve UniversityClevelandOhio44106
- Hawken SchoolGates MillsOhio44040
| | - Matthew L. Garvin
- Department of BiologyCase Western Reserve UniversityClevelandOhio44106
- Department of BiologyCentral Michigan UniversityMount PleasantMichigan48859
| | - Sarah E. Diamond
- Department of BiologyCase Western Reserve UniversityClevelandOhio44106
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Garcia F, de Carvalho AR, Riem-Galliano L, Tudesque L, Albignac M, Ter Halle A, Cucherousset J. Stable Isotope Insights into Microplastic Contamination within Freshwater Food Webs. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:1024-1035. [PMID: 33410676 DOI: 10.1021/acs.est.0c06221] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Microplastic pollution and ingestion are ubiquitous phenomena in freshwater ecosystems. However, our understanding of the role of trophic niche in microplastic ingestion is still limited. Here, we quantified the level of microplastic (700 μm to 5 mm) contamination for macroinvertebrates and fish within the Garonne river. We then used stable isotope analyses (δ13C and δ15N) to quantify trophic niches. We first demonstrated that the abundance of ingested microplastics differed between macroinvertebrates and fish and was not significantly related to microplastic pollution. We then found that microplastic characteristics (shape, color, size, and polymer composition) differ between the abiotic (surface waters and sediments) and biotic (ingested by macroinvertebrates and fish) compartments. The abundance of ingested microplastics increased with the size of organisms in both fish and macroinvertebrates and tended to increase with trophic position in macroinvertebrates only. Finally, the origin of the resources consumed by fish significantly affected the abundance of microplastics ingested. Altogether, these results suggest the absence of microplastic bioaccumulation in freshwater food webs and the dominance of direct consumption, most likely accidentally. The use of stable isotope analyses is therefore crucial to improve our understanding of microplastic ingestion by wild organisms.
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Affiliation(s)
- Flavien Garcia
- UMR 5174 EDB (Laboratoire Évolution and Diversité Biologique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
- UMR 5623 IMRCP (Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
| | - Aline Reis de Carvalho
- UMR 5174 EDB (Laboratoire Évolution and Diversité Biologique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
- UMR 5623 IMRCP (Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
| | - Louna Riem-Galliano
- UMR 5174 EDB (Laboratoire Évolution and Diversité Biologique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
| | - Loïc Tudesque
- UMR 5174 EDB (Laboratoire Évolution and Diversité Biologique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
| | - Magali Albignac
- UMR 5623 IMRCP (Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
| | - Alexandra Ter Halle
- UMR 5623 IMRCP (Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
| | - Julien Cucherousset
- UMR 5174 EDB (Laboratoire Évolution and Diversité Biologique), CNRS, Université Toulouse III Paul Sabatier, IRD, 118 Route de Narbonne, 31062 Toulouse, France
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Adaptive Evolution in Cities: Progress and Misconceptions. Trends Ecol Evol 2020; 36:239-257. [PMID: 33342595 DOI: 10.1016/j.tree.2020.11.002] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 11/01/2020] [Accepted: 11/09/2020] [Indexed: 12/14/2022]
Abstract
Current narratives suggest that urban adaptation - the adaptive evolution of organisms to cities - is pervasive across taxa and cities. However, in reviewing hundreds of studies, we find only six comprehensive examples of species adaptively evolving to urbanization. We discuss the utility and shortcomings of methods for studying urban adaptation. We then review diverse systems offering preliminary evidence for urban adaptation and outline a research program for advancing its study. Urban environments constitute diverse, interacting selective agents that test the limits of adaptation. Understanding urban adaptation therefore offers unique opportunities for addressing fundamental questions in evolutionary biology and for better conserving biodiversity in cities. However, capitalizing on these opportunities requires appropriate research methods and dissemination of accurate narratives.
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Lailvaux SP. It’s Not Easy Being Green: Behavior, Morphology, and Population Structure in Urban and Natural Populations of Green Anole (Anolis carolinensis) Lizards. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.570810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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Diamond SE, Martin RA. Evolution is a double-edged sword, not a silver bullet, to confront global change. Ann N Y Acad Sci 2020; 1469:38-51. [PMID: 32500534 DOI: 10.1111/nyas.14410] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 12/17/2022]
Abstract
Although there is considerable optimism surrounding adaptive evolutionary responses to global change, relatively little attention has been paid to maladaptation in this context. In this review, we consider how global change might lead populations to become maladapted. We further consider how populations can evolve to new optima, fail to evolve and therefore remain maladapted, or become further maladapted through trait-driven or eco-evo-driven mechanisms after being displaced from their fitness optima. Our goal is to stimulate thinking about evolution as a "double-edged sword" that comprises both adaptive and maladaptive responses, rather than as a "silver bullet" or a purely adaptive mechanism to combat global change. We conclude by discussing how a better appreciation of environmentally driven maladaptation and maladaptive responses might improve our current understanding of population responses to global change and our ability to forecast future responses.
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Affiliation(s)
- Sarah E Diamond
- Department of Biology, Case Western Reserve University, Cleveland, Ohio
| | - Ryan A Martin
- Department of Biology, Case Western Reserve University, Cleveland, Ohio
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