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Scherrer R, Donihue CM, Reynolds RG, Losos JB, Geneva AJ. Dewlap colour variation in Anolis sagrei is maintained among habitats within islands of the West Indies. J Evol Biol 2022; 35:680-692. [PMID: 35535762 PMCID: PMC9321103 DOI: 10.1111/jeb.14002] [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: 09/07/2021] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 11/30/2022]
Abstract
Animal signals evolve in an ecological context. Locally adapting animal sexual signals can be especially important for initiating or reinforcing reproductive isolation during the early stages of speciation. Previous studies have demonstrated that dewlap colour in Anolis lizards can be highly variable between populations in relation to both biotic and abiotic adaptive drivers at relatively large geographical scales. Here, we investigated differentiation of dewlap coloration among habitat types at a small spatial scale, within multiple islands of the West Indies, to test the hypothesis that similar local adaptive processes occur over smaller spatial scales. We explored variation in dewlap coloration in the most widespread species of anole, Anolis sagrei, across three characteristic habitats spanning the Bahamas and the Cayman Islands, namely beach scrub, primary coppice forest and mangrove forest. Using reflectance spectrometry paired with supervised machine learning, we found significant differences in spectral properties of the dewlap between habitats within small islands, sometimes over very short distances. Passive divergence in dewlap phenotype associated with isolation-by-distance did not seem to explain our results. On the other hand, these habitat-specific dewlap differences varied in magnitude and direction across islands, and thus, our primary test for adaptation-parallel responses across islands-was not supported. We suggest that neutral processes or selection could be involved in several ways, including sexual selection. Our results shed new light on the scale at which signal colour polymorphism can be maintained in the presence of gene flow, and the relative role of local adaptation and other processes in driving these patterns of dewlap colour variation across islands.
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Affiliation(s)
- Raphaël Scherrer
- Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA
| | - Colin M Donihue
- Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA
| | - Robert Graham Reynolds
- Department of Biology, University of North Carolina Asheville, Asheville, North Carolina, USA
| | - Jonathan B Losos
- Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA
| | - Anthony J Geneva
- Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA
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2
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Fleishman LJ, Perez-Martinez CA, Leal M. Can sensory drive explain the evolution of visual signal diversity in terrestrial species? A test with Anolis lizards. Am Nat 2022; 200:236-249. [DOI: 10.1086/720267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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3
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Environmental Regulation Intensity, Carbon Footprint and Green Total Factor Productivity of Manufacturing Industries. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19010553. [PMID: 35010810 PMCID: PMC8744666 DOI: 10.3390/ijerph19010553] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/23/2021] [Accepted: 12/28/2021] [Indexed: 11/23/2022]
Abstract
In terms of the development of the manufacturing industry, the Chinese government has carried out environmental regulations and set up production standards for related industries. This is an environmentally-friendly and economic action, which is also in line with the requirements of building a green economy for China. Meanwhile, whether from the micro regulatory measures or the macro government policies, carbon emission is an inevitable problem in the study of environmental problems. This paper will explore the impact of environmental regulation on the green economy based on carbon emissions and study the optimal environment regulation intensity that relates to a direct carbon footprint under the maximum green economic benefits. A SBM-MALMQUIST model is established to measure the green total factor productivity according to 27 Chinese manufacturing industries through the MAXDEA software. It is found that the intensity of environmental regulation has a significant impact on green total factor productivity, and direct carbon footprint also exhibits a partial intermediary effect, participating in the mechanism that affects green total factor productivity. Combined with the industrial characteristics and the above research results, this paper puts forward the adjustment strategy of reasonable environmental regulation for the manufacturing industry, which conforms to the national policy guidance, and will be beneficial in promoting the economic development of the green manufacturing industry.
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5
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Ramos JA, Peters RA. Territorial Displays of the Ctenophorus decresii Complex: A Story of Local Adaptations. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.731705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Closely related species make for interesting model systems to study the evolution of signaling behavior because they share evolutionary history but have also diverged to the point of reproductive isolation. This means that while they may have some behavioral traits in common, courtesy of a common ancestor, they are also likely to show local adaptations. The Ctenophorus decresii complex is such a system, and comprises six closely related agamid lizard species from Australia: C. decresii, C. fionni, C. mirrityana, C. modestus, C. tjanjalka, and C. vadnappa. In this study, we analyze the motion displays of five members of the C. decresii complex in the context of their respective habitats by comparing signal structure, habitat characteristics and signal contrast between all species. Motor pattern use and the temporal sequence of motor patterns did not differ greatly, but the motion speed distributions generated during the displays were different for all species. There was also variation in the extent to which signals contrasted with plant motion, with C. vadnappa performing better than the other species at all habitats. Overall, this study provides evidence that members of the C. decresii complex exhibit local adaptations in signaling behavior to their respective habitat, but they also maintain some morphological and behavioral traits in common, which is likely a consequence from the ancestral state.
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Macedonia JM, Clark DL, Fonley MR. Analysis of Bobbing Displays in the Grahami Series Anoles from Jamaica and Grand Cayman. HERPETOLOGICAL MONOGRAPHS 2021. [DOI: 10.1655/herpmonographs-d-20-00007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
| | - David L. Clark
- Department of Biology, Alma College, Alma, MI 48801, USA
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7
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Prates I, D'Angiolella AB, Rodrigues MT, Melo-Sampaio PR, de Queiroz K, Bell RC. Evolutionary drivers of sexual signal variation in Amazon Slender Anoles. Evolution 2021; 75:1361-1376. [PMID: 33860933 DOI: 10.1111/evo.14230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 03/19/2021] [Accepted: 03/25/2021] [Indexed: 01/29/2023]
Abstract
Phenotypic variation among populations, as seen in the signaling traits of many species, provides an opportunity to test whether similar factors generate repeated phenotypic patterns in different parts of a species' range. We investigated whether genetic divergence, abiotic gradients, and sympatry with closely related species explain variation in the dewlap colors of Amazon Slender Anoles, Anolis fuscoauratus. To this aim, we characterized dewlap diversity in the field with respect to population genetic structure and evolutionary relationships, assessed whether dewlap phenotypes are associated with climate or landscape variables, and tested for nonrandom associations in the distributions of A. fuscoauratus phenotypes and sympatric Anolis species. We found that dewlap colors vary among but not within sites in A. fuscoauratus. Regional genetic clusters included multiple phenotypes, while populations with similar dewlaps were often distantly related. Phenotypes did not segregate in environmental space, providing no support for optimized signal transmission at a local scale. Instead, we found a negative association between certain phenotypes and sympatric Anolis species with similar dewlap color attributes, suggesting that interactions with closely related species promoted dewlap divergence among A. fuscoauratus populations. Amazon Slender Anoles emerge as a promising system to address questions about parallel trait evolution and the contribution of signaling traits to speciation.
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Affiliation(s)
- Ivan Prates
- Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia, 20560.,Department of Ecology and Evolutionary Biology and Museum of Zoology, University of Michigan, Ann Arbor, Michigan, 48109
| | | | - Miguel T Rodrigues
- Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Paulo R Melo-Sampaio
- Departamento de Vertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Kevin de Queiroz
- Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia, 20560
| | - Rayna C Bell
- Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia, 20560.,Herpetology Department, California Academy of Sciences, San Francisco, California, 94118
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8
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Fleishman LJ, Wadman CS, Maximov KJ. The interacting effects of total light intensity and chromatic contrast on visual signal visibility in an Anolis lizard. Anim Behav 2020. [DOI: 10.1016/j.anbehav.2020.07.008] [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]
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9
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Leaf vibrations produced by chewing provide a consistent acoustic target for plant recognition of herbivores. Oecologia 2020; 194:1-13. [DOI: 10.1007/s00442-020-04672-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 05/16/2020] [Indexed: 12/11/2022]
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10
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Gunderson AR, Fleishman LJ, Leal M. Visual "playback" of colorful signals in the field supports sensory drive for signal detectability. Curr Zool 2018; 64:493-498. [PMID: 30108630 PMCID: PMC6084605 DOI: 10.1093/cz/zoy046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 06/02/2018] [Indexed: 11/12/2022] Open
Abstract
Colorful visual signals are important systems for investigating the effects of signaling environments and receiver physiology on signal evolution as predicted by the sensory drive hypothesis. Support for the sensory drive hypothesis on color signal evolution is mostly based on documenting correlations between the properties of signals and habitat conditions under which the signals are given (i.e., a correlational approach) and less commonly on the use of mathematical models that integrate representations of visual environments, signal properties, and sensory systems (i.e., a functional approach). Here, we used an experimental approach in the field to evaluate signal efficacy of colorful lizard throat fans called dewlaps that show geographic variation in the lizard Anolis cristatellus. We used a remote controlled apparatus to display "fake dewlaps" to wild lizards to test for adaptive divergence in dewlap brightness (i.e., perceived intensity) among populations in situ. We found evidence of local adaptation in dewlap brightness consistent with the sensory drive hypothesis. Specifically, dewlaps that had the brightness characteristics of local lizards were more likely to be detected than those with the brightness characteristics of non-local lizards. Our findings indicate that simplified mathematical representations of visual environments may allow robust estimates of relative detectability or conspicuousness in natural habitats. We have shown the feasibility of evaluating color signal efficacy experimentally under natural conditions and demonstrate the potential advantages of presenting isolated components of signals to an intended receiver to measure their contribution to signal function.
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Affiliation(s)
- Alex R Gunderson
- Department of Integrative Biology, University of California, Berkeley, CA, USA
| | | | - Manuel Leal
- Division of Biological Sciences, University of Missouri, 105 Tucker Hall, Columbia, MO, USA
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11
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Parallel Behavioral Divergence with Macrohabitat inAnolis(Squamata: Dactyloidae) Lizards from the Dominican Republic. ACTA ACUST UNITED AC 2018. [DOI: 10.3099/mcz39.1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Torres-Carvajal O, Ayala-Varela FP, Lobos SE, Poe S, Narváez AE. Two new Andean species of Anolis lizard (Iguanidae: Dactyloinae) from southern Ecuador. J NAT HIST 2017. [DOI: 10.1080/00222933.2017.1391343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Omar Torres-Carvajal
- Museo de Zoología, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Fernando P. Ayala-Varela
- Museo de Zoología, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Simón E. Lobos
- Museo de Zoología, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Steven Poe
- Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, USA
| | - Andrea E. Narváez
- Department of Ecology, Environment and Evolution, La Trobe University, Bundoora, Australia
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13
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Robledo-Ospina LE, Escobar-Sarria F, Troscianko J, Rao D. Two ways to hide: predator and prey perspectives of disruptive coloration and background matching in jumping spiders. Biol J Linn Soc Lond 2017. [DOI: 10.1093/biolinnean/blx108] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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14
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15
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Ramos JA, Peters RA. Habitat-dependent variation in motion signal structure between allopatric populations of lizards. Anim Behav 2017. [DOI: 10.1016/j.anbehav.2017.01.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Klomp DA, Stuart-Fox D, Cassidy EJ, Ahmad N, Ord TJ. Color pattern facilitates species recognition but not signal detection: a field test using robots. Behav Ecol 2017. [DOI: 10.1093/beheco/arw186] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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17
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White TE, Kemp DJ. Color polymorphic lures target different visual channels in prey. Evolution 2016; 70:1398-408. [DOI: 10.1111/evo.12948] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 04/09/2016] [Accepted: 04/28/2016] [Indexed: 11/29/2022]
Affiliation(s)
- Thomas E. White
- Department of Biological Science Macquarie University North Ryde 2109 Australia
| | - Darrell J. Kemp
- Department of Biological Science Macquarie University North Ryde 2109 Australia
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18
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Fleishman LJ, Perez CW, Yeo AI, Cummings KJ, Dick S, Almonte E. Perceptual distance between colored stimuli in the lizard Anolis sagrei: comparing visual system models to empirical results. Behav Ecol Sociobiol 2016. [DOI: 10.1007/s00265-016-2072-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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19
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Ramos JA, Peters RA. Dragon wars: Movement-based signalling by Australian agamid lizards in relation to species ecology. AUSTRAL ECOL 2015. [DOI: 10.1111/aec.12312] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- José Antonio Ramos
- Animal Behaviour Group; Department of Ecology, Environment and Evolution; La Trobe University; Bundoora Victoria 3083 Australia
| | - Richard Anthony Peters
- Animal Behaviour Group; Department of Ecology, Environment and Evolution; La Trobe University; Bundoora Victoria 3083 Australia
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20
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Ord TJ, Klomp DA, Garcia-Porta J, Hagman M. Repeated evolution of exaggerated dewlaps and other throat morphology in lizards. J Evol Biol 2015; 28:1948-64. [DOI: 10.1111/jeb.12709] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 07/15/2015] [Accepted: 07/29/2015] [Indexed: 01/16/2023]
Affiliation(s)
- T. J. Ord
- Evolution and Ecology Research Centre; School of Biological, Earth and Environmental Sciences; The University of New South Wales; Kensington NSW Australia
| | - D. A. Klomp
- Evolution and Ecology Research Centre; School of Biological, Earth and Environmental Sciences; The University of New South Wales; Kensington NSW Australia
| | - J. Garcia-Porta
- Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra); Barcelona Spain
| | - M. Hagman
- Evolution and Ecology Research Centre; School of Biological, Earth and Environmental Sciences; The University of New South Wales; Kensington NSW Australia
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21
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Fleishman LJ, Ogas B, Steinberg D, Leal M. Why do
Anolis
dewlaps glow? An analysis of a translucent visual signal. Funct Ecol 2015. [DOI: 10.1111/1365-2435.12502] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Leo J. Fleishman
- Department of Biology Union College Schenectady New York12309 USA
| | - Brianna Ogas
- Department of Biology Union College Schenectady New York12309 USA
| | - David Steinberg
- Department of Biology Duke University Durham North Carolina27708 USA
| | - Manuel Leal
- Division of Biological Sciences University of Missouri Columbia Missouri65211 USA
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22
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Dalrymple RL, Hui FKC, Flores-Moreno H, Kemp DJ, Moles AT. Roses are red, violets are blue - so how much replication should you do? An assessment of variation in the colour of flowers and birds. Biol J Linn Soc Lond 2014. [DOI: 10.1111/bij.12402] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Rhiannon L. Dalrymple
- Evolution and Ecology Research Centre; School of Biological, Earth and Environmental Sciences; The University of New South Wales; Sydney NSW 2052 Australia
| | - Francis K. C. Hui
- Evolution and Ecology Research Centre; School of Biological, Earth and Environmental Sciences; The University of New South Wales; Sydney NSW 2052 Australia
- School of Mathematics and Statistics; University of New South Wales; Sydney NSW 2052 Australia
| | - Habacuc Flores-Moreno
- Evolution and Ecology Research Centre; School of Biological, Earth and Environmental Sciences; The University of New South Wales; Sydney NSW 2052 Australia
| | - Darrell J. Kemp
- Department of Biological Sciences; Macquarie University; Sydney NSW 2109 Australia
| | - Angela T. Moles
- Evolution and Ecology Research Centre; School of Biological, Earth and Environmental Sciences; The University of New South Wales; Sydney NSW 2052 Australia
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23
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Macedonia JM, Clark DL, Tamasi AL. Does Selection Favor Dewlap Colors that Maximize Detectability? A Test with Five Species of JamaicanAnolisLizards. HERPETOLOGICA 2014. [DOI: 10.1655/herpetologica-d-13-00073] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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24
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Garcia JE, Rohr D, Dyer AG. Trade-off between camouflage and sexual dimorphism revealed by UV digital imaging: the case of Australian Mallee dragons (Ctenophorus fordi). ACTA ACUST UNITED AC 2013; 216:4290-8. [PMID: 23997198 DOI: 10.1242/jeb.094045] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Colour patterns displayed by animals may result from the balance of the opposing requirements of sexual selection through display and natural selection through camouflage. Currently, little is known about the possibility of the dual purpose of an animal colour pattern in the UV region of the spectrum, which is potentially perceivable by both predators and conspecifics for detection or communication purposes. Here, we implemented linearised digital UV photography to characterise and quantify the colour pattern of an endemic Australian Agamid lizard classically regarded as monomorphic when considering data from the visible region of the spectrum. Our results indicate a widespread presence of UV elements across the entire body of the lizards and these patterns vary significantly in intensity, size and frequency between sexes. These results were modelled considering either lizard or avian visual characteristics, revealing that UV reflectance represents a trade-off between the requirements of sexual displaying to conspecifics and concealment from avian predators.
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Affiliation(s)
- Jair E Garcia
- School of Applied Sciences, RMIT University, Building 14 Level 6, Bowen Street, Melbourne, VIC 3000, Australia
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25
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Affiliation(s)
- Jonathan B. Losos
- Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology; Harvard University; 26 Oxford Street Cambridge MA 02138 USA
| | - Manuel Leal
- Department of Biology; Duke University; Durham NC 27708 USA
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26
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Gartner GEA, Gamble T, Jaffe AL, Harrison A, Losos JB. Left-right dewlap asymmetry and phylogeography ofAnolis lineatuson Aruba and Curaçao. Biol J Linn Soc Lond 2013. [DOI: 10.1111/bij.12131] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Pérez i de Lanuza G, Font E, Monterde JL. Using visual modelling to study the evolution of lizard coloration: sexual selection drives the evolution of sexual dichromatism in lacertids. J Evol Biol 2013; 26:1826-35. [DOI: 10.1111/jeb.12185] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2012] [Accepted: 04/11/2013] [Indexed: 11/28/2022]
Affiliation(s)
- G. Pérez i de Lanuza
- Cavanilles Institute of Biodiversity and Evolutionary Biology; University of Valencia; Valencia Spain
| | - E. Font
- Cavanilles Institute of Biodiversity and Evolutionary Biology; University of Valencia; Valencia Spain
| | - J. L. Monterde
- Geometry and Topology Department; University of Valencia; Valencia Spain
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28
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Ord TJ, Collar DC, Sanger TJ. The biomechanical basis of evolutionary change in a territorial display. Funct Ecol 2013. [DOI: 10.1111/1365-2435.12110] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Terry J. Ord
- Evolution & Ecology Research Centre, and the School of Biological, Earth and Environmental Sciences; University of New South Wales; Kensington; New South Wales; 2052; Australia
| | - David C. Collar
- Department of Ecology and Evolutionary Biology, and Long Marine Laboratory; University of California; Santa Cruz; California; 95060; USA
| | - Thomas J. Sanger
- Museum of Comparative Zoology, and the Department of Organismic and Evolutionary Biology; Harvard University; Cambridge; Massachusetts; 02138; USA
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29
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Hamilton DG, Whiting MJ, Pryke SR. Fiery frills: carotenoid-based coloration predicts contest success in frillneck lizards. Behav Ecol 2013. [DOI: 10.1093/beheco/art041] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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30
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Jezkova T, Leal M, Rodríguez-Robles JA. Genetic drift or natural selection? Hybridization and asymmetric mitochondrial introgression in two Caribbean lizards (Anolis pulchellus and Anolis krugi). J Evol Biol 2013; 26:1458-71. [PMID: 23663090 DOI: 10.1111/jeb.12149] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 02/20/2013] [Accepted: 02/21/2013] [Indexed: 11/28/2022]
Abstract
Hybridization and gene introgression can occur frequently between closely related taxa, but appear to be rare phenomena among members of the species-rich West Indian radiation of Anolis lizards. We investigated the pattern and possible mechanism of introgression between two sister species from Puerto Rico, Anolis pulchellus and Anolis krugi, using mitochondrial (ND2) and nuclear (DNAH3, NKTR) DNA sequences. Our findings demonstrated extensive introgression of A. krugi mtDNA (k-mtDNA) into the genome of A. pulchellus in western Puerto Rico, to the extent that k-mtDNA has mostly or completely replaced the native mtDNA of A. pulchellus on this part of the island. We proposed two not mutually exclusive scenarios to account for the interspecific matings between A. pulchellus and A. krugi. We inferred that hybridization events occurred independently in several populations, and determined that k-mtDNA haplotypes harboured in individuals of A. pulchellus can be assigned to four of the five major mtDNA clades of A. krugi. Further, the spatial distribution of k-mtDNA clades in the two species is largely congruent. Based on this evidence, we concluded that natural selection was the probable driving mechanism for the extensive k-mtDNA introgression into A. pulchellus. Our two nuclear data sets yielded different results. DNAH3 showed reciprocal monophyly of A. pulchellus and A. krugi, indicating no effect of hybridization on this marker. In contrast, the two species shared nine NKTR alleles, probably due to incomplete lineage sorting. Our study system will provide an excellent opportunity to experimentally assess the behavioural and ecological mechanisms that can lead to hybridization in closely related taxa.
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Affiliation(s)
- T Jezkova
- School of Life Sciences, University of Nevada, Las Vegas, Las Vegas, NV 89154-4004, USA
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31
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Macedonia JM, Clark DL, Riley RG, Kemp DJ. Species recognition of color and motion signals in Anolis grahami: evidence from responses to lizard robots. Behav Ecol 2013. [DOI: 10.1093/beheco/art027] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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32
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Lambert SM, Geneva AJ, Luke Mahler D, Glor RE. Using genomic data to revisit an early example of reproductive character displacement in HaitianAnolislizards. Mol Ecol 2013; 22:3981-95. [DOI: 10.1111/mec.12292] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Revised: 02/12/2013] [Accepted: 02/14/2013] [Indexed: 12/14/2022]
Affiliation(s)
- Shea M. Lambert
- University of Arizona; Tucson AZ 85721 USA
- University of Rochester; Rochester NY 14627 USA
| | | | - D. Luke Mahler
- Center for Population Biology; University of California; Davis CA 95616 USA
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Ng J, Landeen EL, Logsdon RM, Glor RE. Correlation between Anolis lizard dewlap phenotype and environmental variation indicates adaptive divergence of a signal important to sexual selection and species recognition. Evolution 2012; 67:573-82. [PMID: 23356628 DOI: 10.1111/j.1558-5646.2012.01795.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Although the importance of signals involved in species recognition and sexual selection to speciation is widely recognized, the processes that underlie signal divergence are still a matter of debate. Several possible processes have been hypothesized, including genetic drift, arbitrary sexual selection, and adaptation to local signaling environments. We use comparative analyses to investigate whether the remarkable geographic variation of dewlap phenotype in a Hispaniolan trunk Anolis lizard (A. distichus) is a result of adaptive signal divergence to heterogeneous environments. We recover a repeated pattern of divergence in A. distichus dewlap color, pattern, and size with environmental variation across Hispaniola. These results are aligned with ecological models of signal divergence and provide strong evidence for dewlap adaptation to local signaling environments. We also find that A. distichus dewlaps vary with the environment in a different manner to other previously studied anoles, thus expanding upon previous predictions on the direction dewlaps will diverge in perceptual color space in response to the environment.
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Affiliation(s)
- Julienne Ng
- Department of Biology, University of Rochester, Rochester, New York 14627, USA.
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Jenssen TA, Garrett S, Sydor WJ. Complex Signal Usage By Advertising Male Green Anoles (Anolis carolinensis): A Test of Assumptions. HERPETOLOGICA 2012. [DOI: 10.1655/herpetologica-d-11-00052.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Signal Divergence is Correlated with Genetic Distance and not Environmental Differences in Darters (Percidae: Etheostoma). Evol Biol 2012. [DOI: 10.1007/s11692-012-9179-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Moore AF, Menaker M. Photic resetting of the circadian clock is correlated with photic habitat in Anolis lizards. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2012; 198:375-87. [PMID: 22350678 DOI: 10.1007/s00359-012-0715-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2011] [Revised: 01/18/2012] [Accepted: 01/25/2012] [Indexed: 11/26/2022]
Abstract
Circadian rhythms are regulated by an internal clock, which is itself synchronized to environmental cues such as light and temperature. It is widely assumed that the circadian system is adapted to local cues, which vary enormously across habitats, yet the comparative data necessary for testing this idea are lacking. We examined photic and thermal resetting of the circadian clock in five species of Anolis lizards whose microhabitats differ in the amounts of sun and shade. The primary circadian oscillator in Anolis is the pineal gland, which produces the hormone melatonin. A flow-through culture system was employed to measure rhythmic melatonin output from individually cultured pineal glands. All species showed temperature-compensated circadian rhythms of pineal melatonin. Light caused significant phase delays of the melatonin rhythm, and this effect varied among species. Controlling for phylogenetic differences, the results indicate that the pineal glands of shade-dwelling species are more sensitive to photic resetting than species living in more brightly illuminated habitats. The differences were not due to variation in free-running period, but may be due to variation in oscillator phase and/or robustness. Surprisingly, thermal resetting was not statistically significant. Overall, the results suggest that the Anolis circadian system is adapted to photic habitat.
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Affiliation(s)
- Ashli F Moore
- Department of Biology, University of Virginia, PO Box 400328, Charlottesville, VA 22904-4328, USA
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Tobias JA, Aben J, Brumfield RT, Derryberry EP, Halfwerk W, Slabbekoorn H, Seddon N. Song divergence by sensory drive in Amazonian birds. Evolution 2010; 64:2820-39. [PMID: 20561048 DOI: 10.1111/j.1558-5646.2010.01067.x] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Visual signals are shaped by variation in the signaling environment through a process termed sensory drive, sometimes leading to speciation. However, the evidence for sensory drive in acoustic signals is restricted to comparisons between highly dissimilar habitats, or single-species studies in which it is difficult to rule out the influence of undetected ecological variables, pleiotropic effects, or chance. Here we assess whether this form of sensory drive-often termed "acoustic adaptation"-can generate signal divergence across ecological gradients. By studying avian communities in two Amazonian forest types, we show that songs of 17 "bamboo-specialist" bird species differ in predictable ways from their nearest relatives in adjacent terra firme forest. We also demonstrate that the direction of song divergence is correlated with the sound transmission properties of habitats, rather than with genetic divergence, ambient noise, or pleiotropic effects of mass and bill size. Our findings indicate that acoustic adaptation adds significantly to stochastic processes underlying song divergence, even when comparing between habitats with relatively similar structure. Furthermore, given that song differences potentially contribute to reproductive isolation, these findings are consistent with a wider role for sensory drive in the diversification of lineages with acoustic mating signals.
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Affiliation(s)
- Joseph A Tobias
- Edward Grey Institute, Department of Zoology, University of Oxford, United Kingdom
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Johnson MA, Wade J. Behavioural display systems across nine Anolis lizard species: sexual dimorphisms in structure and function. Proc Biol Sci 2010; 277:1711-9. [PMID: 20129985 DOI: 10.1098/rspb.2009.2323] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Relationships between structure and function are a primary focus in biology, yet they are most often considered within individual species. Sexually dimorphic communication behaviours and the morphology of associated structures can vary widely, even among closely related species, and these traits provide an ideal opportunity to investigate the evolution of structure-function patterns. Using nine Anolis lizard species, we addressed a series of questions regarding sex differences in and the evolution of relationships between extension of the throat fan (dewlap) and morphology of the muscles and cartilage controlling it. The main results indicated that within species, males displayed the dewlap more often than females and consistently exhibited larger associated structures. These data are consistent with work in other vertebrates in which corresponding sex differences in reproductive morphology and behaviour have been documented. Across species, however, we found no evidence that the rate of dewlap extension evolved in association with dewlap morphology. Thus, we provide an example of traits that, when considered in a phylogenetic framework, exhibited limited associations between behaviour and morphology, perhaps as the result of constraints imposed by the ecological contexts in which different species occur.
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Affiliation(s)
- Michele A Johnson
- Department of Biology, Trinity University, San Antonio, TX 78212, USA.
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