Phenotypic divergence between seasnake (Emydocephalus annulatus) populations from adjacent bays of the New Caledonian Lagoon
Identifieur interne : 005618 ( Main/Exploration ); précédent : 005617; suivant : 005619Phenotypic divergence between seasnake (Emydocephalus annulatus) populations from adjacent bays of the New Caledonian Lagoon
Auteurs : Richard Shine [Australie] ; Claire Goiran ; Terri Shine [Australie] ; Thomas Fauvel [France] ; Francois Brischoux [France]Source :
- Biological Journal of the Linnean Society [ 0024-4066 ] ; 2012-12.
Descripteurs français
- Wicri :
- topic : écologie.
English descriptors
- KwdEn :
- Adjacent bays, Algal, Algal fouling, American naturalist, Animal behaviour, Annulatus, Anse, Anse vata, Anse vata baie, Antipredator tactics, Aubret shine, Baie, Bassiana duperreyi, Biological journal, Biological sciences, Body condition, Body mass, Body size, Bronikowski arnold, Caledonian, Caledonian lagoon, Canadian journal, Canalized traits, Citron, Citrons figure, Citrons population, Citrons snakes, Colour morph, Coral reef, Coral rubble, Current biology, Divergence, Ecology, Embryonic development, Emydocephalus, Emydocephalus annulatus, Environmental conditions, Food supply, Founder effects, Functional ecology, Garter snake thamnophis elegans, Garter snakes, Geographic variation, Graphs show, Growth rate, Growth rates, Head length, Head shape, Independent variables, Ineich laboute, Kritzer sale, Linnean, Linnean society, Lizard, Local adaptation, Local conditions, Local populations, Location effect, Locomotor, Locomotor performance, Locomotor speeds, Logistic regression, Lukoschek, Lukoschek shine, Maximum speeds, Molecular ecology, Other effects, Oxford university press, Phenotypic, Phenotypic divergence, Phenotypic plasticity, Phenotypic traits, Phenotypically plastic responses, Present study, Relative head length, Relative tail length, Reproductive frequency, Residual, Residual score, Residual scores, Same pattern, Seasnake, Seasnakes, Shallow water, Shine, Single population, Snake emydocephalus annulatus, Spatial heterogeneity, Spatial scale, Statistical tests, Strong phenotypic divergence, Study areas, Study sites, Successive laps, Tail length, Thamnophis sirtalis, Thermal regimes, Trait, Vata, Water surface, Water temperature, Wide range.
- Teeft :
- Adjacent bays, Algal, Algal fouling, American naturalist, Animal behaviour, Annulatus, Anse, Anse vata, Anse vata baie, Antipredator tactics, Aubret shine, Baie, Bassiana duperreyi, Biological journal, Biological sciences, Body condition, Body mass, Body size, Bronikowski arnold, Caledonian, Caledonian lagoon, Canadian journal, Canalized traits, Citron, Citrons figure, Citrons population, Citrons snakes, Colour morph, Coral reef, Coral rubble, Current biology, Divergence, Ecology, Embryonic development, Emydocephalus, Emydocephalus annulatus, Environmental conditions, Food supply, Founder effects, Functional ecology, Garter snake thamnophis elegans, Garter snakes, Geographic variation, Graphs show, Growth rate, Growth rates, Head length, Head shape, Independent variables, Ineich laboute, Kritzer sale, Linnean, Linnean society, Lizard, Local adaptation, Local conditions, Local populations, Location effect, Locomotor, Locomotor performance, Locomotor speeds, Logistic regression, Lukoschek, Lukoschek shine, Maximum speeds, Molecular ecology, Other effects, Oxford university press, Phenotypic, Phenotypic divergence, Phenotypic plasticity, Phenotypic traits, Phenotypically plastic responses, Present study, Relative head length, Relative tail length, Reproductive frequency, Residual, Residual score, Residual scores, Same pattern, Seasnake, Seasnakes, Shallow water, Shine, Single population, Snake emydocephalus annulatus, Spatial heterogeneity, Spatial scale, Statistical tests, Strong phenotypic divergence, Study areas, Study sites, Successive laps, Tail length, Thamnophis sirtalis, Thermal regimes, Trait, Vata, Water surface, Water temperature, Wide range.
Abstract
Populations of widespread species often differ in phenotypic traits, although rarely in such a dramatic fashion as revealed by research on turtle‐headed seasnakes (Emydocephalus annulatus). These snakes are highly philopatric, with mark–recapture studies showing that the interchange of individuals rarely occurs even between two adjacent bays (separated by < 1.2 km) in Noumea, New Caledonia. Data on > 500 field‐captured snakes from these two bays reveal significant differences between these two locations in snake morphology (mean body length, relative tail length, head shape), colour, ecology (body condition, growth rate, incidence of algal fouling), behaviour (antipredator tactics), and locomotor performance. For some traits, the disparity was very marked (e.g. mean swimming speeds differed by > 30%). The causal bases for these phenotypic divergences may involve founder effects, local adaptation, and phenotypic plasticity. The spatial divergence in phenotypic traits offers a cautionary tale both for researchers (sampling of only a few populations may fail to provide a valid overview of the morphology, performance, and behaviour of a species) and managers (loss of local populations may eliminate distinctive genetic variation). © 2012 The Linnean Society of London, Biological Journal of the Linnean Society, 2012, ••, ••–••.
Url:
DOI: 10.1111/j.1095-8312.2012.01971.x
Affiliations:
- Australie, France
- Nouvelle-Aquitaine, Nouvelle-Galles du Sud, Poitou-Charentes
- Sydney, Villiers en Bois
- Université de Sydney
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Le document en format XML
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<term>Algal</term>
<term>Algal fouling</term>
<term>American naturalist</term>
<term>Animal behaviour</term>
<term>Annulatus</term>
<term>Anse</term>
<term>Anse vata</term>
<term>Anse vata baie</term>
<term>Antipredator tactics</term>
<term>Aubret shine</term>
<term>Baie</term>
<term>Bassiana duperreyi</term>
<term>Biological journal</term>
<term>Biological sciences</term>
<term>Body condition</term>
<term>Body mass</term>
<term>Body size</term>
<term>Bronikowski arnold</term>
<term>Caledonian</term>
<term>Caledonian lagoon</term>
<term>Canadian journal</term>
<term>Canalized traits</term>
<term>Citron</term>
<term>Citrons figure</term>
<term>Citrons population</term>
<term>Citrons snakes</term>
<term>Colour morph</term>
<term>Coral reef</term>
<term>Coral rubble</term>
<term>Current biology</term>
<term>Divergence</term>
<term>Ecology</term>
<term>Embryonic development</term>
<term>Emydocephalus</term>
<term>Emydocephalus annulatus</term>
<term>Environmental conditions</term>
<term>Food supply</term>
<term>Founder effects</term>
<term>Functional ecology</term>
<term>Garter snake thamnophis elegans</term>
<term>Garter snakes</term>
<term>Geographic variation</term>
<term>Graphs show</term>
<term>Growth rate</term>
<term>Growth rates</term>
<term>Head length</term>
<term>Head shape</term>
<term>Independent variables</term>
<term>Ineich laboute</term>
<term>Kritzer sale</term>
<term>Linnean</term>
<term>Linnean society</term>
<term>Lizard</term>
<term>Local adaptation</term>
<term>Local conditions</term>
<term>Local populations</term>
<term>Location effect</term>
<term>Locomotor</term>
<term>Locomotor performance</term>
<term>Locomotor speeds</term>
<term>Logistic regression</term>
<term>Lukoschek</term>
<term>Lukoschek shine</term>
<term>Maximum speeds</term>
<term>Molecular ecology</term>
<term>Other effects</term>
<term>Oxford university press</term>
<term>Phenotypic</term>
<term>Phenotypic divergence</term>
<term>Phenotypic plasticity</term>
<term>Phenotypic traits</term>
<term>Phenotypically plastic responses</term>
<term>Present study</term>
<term>Relative head length</term>
<term>Relative tail length</term>
<term>Reproductive frequency</term>
<term>Residual</term>
<term>Residual score</term>
<term>Residual scores</term>
<term>Same pattern</term>
<term>Seasnake</term>
<term>Seasnakes</term>
<term>Shallow water</term>
<term>Shine</term>
<term>Single population</term>
<term>Snake emydocephalus annulatus</term>
<term>Spatial heterogeneity</term>
<term>Spatial scale</term>
<term>Statistical tests</term>
<term>Strong phenotypic divergence</term>
<term>Study areas</term>
<term>Study sites</term>
<term>Successive laps</term>
<term>Tail length</term>
<term>Thamnophis sirtalis</term>
<term>Thermal regimes</term>
<term>Trait</term>
<term>Vata</term>
<term>Water surface</term>
<term>Water temperature</term>
<term>Wide range</term>
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<keywords scheme="Teeft" xml:lang="en"><term>Adjacent bays</term>
<term>Algal</term>
<term>Algal fouling</term>
<term>American naturalist</term>
<term>Animal behaviour</term>
<term>Annulatus</term>
<term>Anse</term>
<term>Anse vata</term>
<term>Anse vata baie</term>
<term>Antipredator tactics</term>
<term>Aubret shine</term>
<term>Baie</term>
<term>Bassiana duperreyi</term>
<term>Biological journal</term>
<term>Biological sciences</term>
<term>Body condition</term>
<term>Body mass</term>
<term>Body size</term>
<term>Bronikowski arnold</term>
<term>Caledonian</term>
<term>Caledonian lagoon</term>
<term>Canadian journal</term>
<term>Canalized traits</term>
<term>Citron</term>
<term>Citrons figure</term>
<term>Citrons population</term>
<term>Citrons snakes</term>
<term>Colour morph</term>
<term>Coral reef</term>
<term>Coral rubble</term>
<term>Current biology</term>
<term>Divergence</term>
<term>Ecology</term>
<term>Embryonic development</term>
<term>Emydocephalus</term>
<term>Emydocephalus annulatus</term>
<term>Environmental conditions</term>
<term>Food supply</term>
<term>Founder effects</term>
<term>Functional ecology</term>
<term>Garter snake thamnophis elegans</term>
<term>Garter snakes</term>
<term>Geographic variation</term>
<term>Graphs show</term>
<term>Growth rate</term>
<term>Growth rates</term>
<term>Head length</term>
<term>Head shape</term>
<term>Independent variables</term>
<term>Ineich laboute</term>
<term>Kritzer sale</term>
<term>Linnean</term>
<term>Linnean society</term>
<term>Lizard</term>
<term>Local adaptation</term>
<term>Local conditions</term>
<term>Local populations</term>
<term>Location effect</term>
<term>Locomotor</term>
<term>Locomotor performance</term>
<term>Locomotor speeds</term>
<term>Logistic regression</term>
<term>Lukoschek</term>
<term>Lukoschek shine</term>
<term>Maximum speeds</term>
<term>Molecular ecology</term>
<term>Other effects</term>
<term>Oxford university press</term>
<term>Phenotypic</term>
<term>Phenotypic divergence</term>
<term>Phenotypic plasticity</term>
<term>Phenotypic traits</term>
<term>Phenotypically plastic responses</term>
<term>Present study</term>
<term>Relative head length</term>
<term>Relative tail length</term>
<term>Reproductive frequency</term>
<term>Residual</term>
<term>Residual score</term>
<term>Residual scores</term>
<term>Same pattern</term>
<term>Seasnake</term>
<term>Seasnakes</term>
<term>Shallow water</term>
<term>Shine</term>
<term>Single population</term>
<term>Snake emydocephalus annulatus</term>
<term>Spatial heterogeneity</term>
<term>Spatial scale</term>
<term>Statistical tests</term>
<term>Strong phenotypic divergence</term>
<term>Study areas</term>
<term>Study sites</term>
<term>Successive laps</term>
<term>Tail length</term>
<term>Thamnophis sirtalis</term>
<term>Thermal regimes</term>
<term>Trait</term>
<term>Vata</term>
<term>Water surface</term>
<term>Water temperature</term>
<term>Wide range</term>
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<front><div type="abstract">Populations of widespread species often differ in phenotypic traits, although rarely in such a dramatic fashion as revealed by research on turtle‐headed seasnakes (Emydocephalus annulatus). These snakes are highly philopatric, with mark–recapture studies showing that the interchange of individuals rarely occurs even between two adjacent bays (separated by < 1.2 km) in Noumea, New Caledonia. Data on > 500 field‐captured snakes from these two bays reveal significant differences between these two locations in snake morphology (mean body length, relative tail length, head shape), colour, ecology (body condition, growth rate, incidence of algal fouling), behaviour (antipredator tactics), and locomotor performance. For some traits, the disparity was very marked (e.g. mean swimming speeds differed by > 30%). The causal bases for these phenotypic divergences may involve founder effects, local adaptation, and phenotypic plasticity. The spatial divergence in phenotypic traits offers a cautionary tale both for researchers (sampling of only a few populations may fail to provide a valid overview of the morphology, performance, and behaviour of a species) and managers (loss of local populations may eliminate distinctive genetic variation). © 2012 The Linnean Society of London, Biological Journal of the Linnean Society, 2012, ••, ••–••.</div>
</front>
</TEI>
<affiliations><list><country><li>Australie</li>
<li>France</li>
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<region><li>Nouvelle-Aquitaine</li>
<li>Nouvelle-Galles du Sud</li>
<li>Poitou-Charentes</li>
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<settlement><li>Sydney</li>
<li>Villiers en Bois</li>
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<orgName><li>Université de Sydney</li>
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<tree><noCountry><name sortKey="Goiran, Claire" sort="Goiran, Claire" uniqKey="Goiran C" first="Claire" last="Goiran">Claire Goiran</name>
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<country name="Australie"><region name="Nouvelle-Galles du Sud"><name sortKey="Shine, Richard" sort="Shine, Richard" uniqKey="Shine R" first="Richard" last="Shine">Richard Shine</name>
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<name sortKey="Shine, Richard" sort="Shine, Richard" uniqKey="Shine R" first="Richard" last="Shine">Richard Shine</name>
<name sortKey="Shine, Terri" sort="Shine, Terri" uniqKey="Shine T" first="Terri" last="Shine">Terri Shine</name>
</country>
<country name="France"><noRegion><name sortKey="Fauvel, Thomas" sort="Fauvel, Thomas" uniqKey="Fauvel T" first="Thomas" last="Fauvel">Thomas Fauvel</name>
</noRegion>
<name sortKey="Brischoux, Francois" sort="Brischoux, Francois" uniqKey="Brischoux F" first="Francois" last="Brischoux">Francois Brischoux</name>
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