Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?

Autores
Cosacov Martinez, Andrea; Cocucci, Andrea Aristides; Sersic, Alicia Noemi
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Background and Aims: The underlying evolutionary processes of pollinator-driven floral diversification are still poorly understood. According to Grant-Stebbins model speciation begins with adaptive local differentiation in response to spatial divergence in pollinators. Despite this crucial process links the micro- and macroevolution of floral adaptation, has received relatively poor attention. We studied geographical phenotypic variation of the Patagonian Calceolaria polyrhiza and its pollinators, two oil-collecting bee species that differ in body size and geographical distribution. Methods: We examined geographical pattern of phenotypic variation and its relationship with pollinators and abiotic factors. Six floral and seven vegetative traits were measured in 46 populations distributed across the entire species range. We selected 24 sites and retrieved their climatic and edaphic parameters; we captured 2-16 bees/site of the most frequent pollinator species and measured a critical flower-bee fitting trait involved in effective pollination. Geographical patterns of phenotypic variation and environmental variation were examined using uni- and multivariate analyses. Mantel permutation test was used to explore decoupled geographic variation between corolla area and fit-related floral traits. Key Results: Body length of pollinators and floral fit-related traits were strongly correlated with one another. Geographic variation of mechanical-fit related traits is decoupled from variation in corolla size. This latter floral trait has a geographical pattern consistent with that of vegetative traits and is mainly affected by climatic gradients. Conclusions: In this system pollinators play a key role in shaping floral phenotype at a geographical scale, promoting the differentiation of two floral ecotypes. The relationship between floral fit-related trait and bee length remained significant even in models that included various environmental variables and an allometric predictor (corolla area) one. The abiotic environment also has an important role, mainly affecting floral size. Decoupled geographical variation between fit-related traits and floral size is suggested to represent a strategy to maintain plant-pollinator phenotypic matching in this environmentally heterogeneous area.
Fil: Cosacov Martinez, Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Cocucci, Andrea Aristides. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Sersic, Alicia Noemi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Materia
ABIOTIC ENVIRONMENTAL GRADIENTS
BEE MORPHOLOGY
CALCEOLARIA
FLORAL ECOTYPES
GEOGRAPHICAL RANGE
LOCAL ADAPTATION
OIL-COLLECTING BEES
OIL-OFFERING FLOWERS
PATAGONIA
PHENOTYPIC COVARIANCE
SPECIALIZED POLLINATION
SPECIATION
VEGETATIVE MORPHOLOGY
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/1344

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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?Cosacov Martinez, AndreaCocucci, Andrea AristidesSersic, Alicia NoemiABIOTIC ENVIRONMENTAL GRADIENTSBEE MORPHOLOGYCALCEOLARIAFLORAL ECOTYPESGEOGRAPHICAL RANGELOCAL ADAPTATIONOIL-COLLECTING BEESOIL-OFFERING FLOWERSPATAGONIAPHENOTYPIC COVARIANCESPECIALIZED POLLINATIONSPECIATIONVEGETATIVE MORPHOLOGYhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Background and Aims: The underlying evolutionary processes of pollinator-driven floral diversification are still poorly understood. According to Grant-Stebbins model speciation begins with adaptive local differentiation in response to spatial divergence in pollinators. Despite this crucial process links the micro- and macroevolution of floral adaptation, has received relatively poor attention. We studied geographical phenotypic variation of the Patagonian Calceolaria polyrhiza and its pollinators, two oil-collecting bee species that differ in body size and geographical distribution. Methods: We examined geographical pattern of phenotypic variation and its relationship with pollinators and abiotic factors. Six floral and seven vegetative traits were measured in 46 populations distributed across the entire species range. We selected 24 sites and retrieved their climatic and edaphic parameters; we captured 2-16 bees/site of the most frequent pollinator species and measured a critical flower-bee fitting trait involved in effective pollination. Geographical patterns of phenotypic variation and environmental variation were examined using uni- and multivariate analyses. Mantel permutation test was used to explore decoupled geographic variation between corolla area and fit-related floral traits. Key Results: Body length of pollinators and floral fit-related traits were strongly correlated with one another. Geographic variation of mechanical-fit related traits is decoupled from variation in corolla size. This latter floral trait has a geographical pattern consistent with that of vegetative traits and is mainly affected by climatic gradients. Conclusions: In this system pollinators play a key role in shaping floral phenotype at a geographical scale, promoting the differentiation of two floral ecotypes. The relationship between floral fit-related trait and bee length remained significant even in models that included various environmental variables and an allometric predictor (corolla area) one. The abiotic environment also has an important role, mainly affecting floral size. Decoupled geographical variation between fit-related traits and floral size is suggested to represent a strategy to maintain plant-pollinator phenotypic matching in this environmentally heterogeneous area.Fil: Cosacov Martinez, Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Cocucci, Andrea Aristides. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Sersic, Alicia Noemi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaOxford University Press2013-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/1344Cosacov Martinez, Andrea; Cocucci, Andrea Aristides; Sersic, Alicia Noemi; Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?; Oxford University Press; Annals of Botany; 113; 2; 9-2013; 251-2660305-7364enginfo:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/aob/article/113/2/251/2768981info:eu-repo/semantics/altIdentifier/doi/10.1093/aob/mct239info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:51:17Zoai:ri.conicet.gov.ar:11336/1344instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:51:17.605CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
title Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
spellingShingle Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
Cosacov Martinez, Andrea
ABIOTIC ENVIRONMENTAL GRADIENTS
BEE MORPHOLOGY
CALCEOLARIA
FLORAL ECOTYPES
GEOGRAPHICAL RANGE
LOCAL ADAPTATION
OIL-COLLECTING BEES
OIL-OFFERING FLOWERS
PATAGONIA
PHENOTYPIC COVARIANCE
SPECIALIZED POLLINATION
SPECIATION
VEGETATIVE MORPHOLOGY
title_short Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
title_full Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
title_fullStr Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
title_full_unstemmed Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
title_sort Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?
dc.creator.none.fl_str_mv Cosacov Martinez, Andrea
Cocucci, Andrea Aristides
Sersic, Alicia Noemi
author Cosacov Martinez, Andrea
author_facet Cosacov Martinez, Andrea
Cocucci, Andrea Aristides
Sersic, Alicia Noemi
author_role author
author2 Cocucci, Andrea Aristides
Sersic, Alicia Noemi
author2_role author
author
dc.subject.none.fl_str_mv ABIOTIC ENVIRONMENTAL GRADIENTS
BEE MORPHOLOGY
CALCEOLARIA
FLORAL ECOTYPES
GEOGRAPHICAL RANGE
LOCAL ADAPTATION
OIL-COLLECTING BEES
OIL-OFFERING FLOWERS
PATAGONIA
PHENOTYPIC COVARIANCE
SPECIALIZED POLLINATION
SPECIATION
VEGETATIVE MORPHOLOGY
topic ABIOTIC ENVIRONMENTAL GRADIENTS
BEE MORPHOLOGY
CALCEOLARIA
FLORAL ECOTYPES
GEOGRAPHICAL RANGE
LOCAL ADAPTATION
OIL-COLLECTING BEES
OIL-OFFERING FLOWERS
PATAGONIA
PHENOTYPIC COVARIANCE
SPECIALIZED POLLINATION
SPECIATION
VEGETATIVE MORPHOLOGY
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Background and Aims: The underlying evolutionary processes of pollinator-driven floral diversification are still poorly understood. According to Grant-Stebbins model speciation begins with adaptive local differentiation in response to spatial divergence in pollinators. Despite this crucial process links the micro- and macroevolution of floral adaptation, has received relatively poor attention. We studied geographical phenotypic variation of the Patagonian Calceolaria polyrhiza and its pollinators, two oil-collecting bee species that differ in body size and geographical distribution. Methods: We examined geographical pattern of phenotypic variation and its relationship with pollinators and abiotic factors. Six floral and seven vegetative traits were measured in 46 populations distributed across the entire species range. We selected 24 sites and retrieved their climatic and edaphic parameters; we captured 2-16 bees/site of the most frequent pollinator species and measured a critical flower-bee fitting trait involved in effective pollination. Geographical patterns of phenotypic variation and environmental variation were examined using uni- and multivariate analyses. Mantel permutation test was used to explore decoupled geographic variation between corolla area and fit-related floral traits. Key Results: Body length of pollinators and floral fit-related traits were strongly correlated with one another. Geographic variation of mechanical-fit related traits is decoupled from variation in corolla size. This latter floral trait has a geographical pattern consistent with that of vegetative traits and is mainly affected by climatic gradients. Conclusions: In this system pollinators play a key role in shaping floral phenotype at a geographical scale, promoting the differentiation of two floral ecotypes. The relationship between floral fit-related trait and bee length remained significant even in models that included various environmental variables and an allometric predictor (corolla area) one. The abiotic environment also has an important role, mainly affecting floral size. Decoupled geographical variation between fit-related traits and floral size is suggested to represent a strategy to maintain plant-pollinator phenotypic matching in this environmentally heterogeneous area.
Fil: Cosacov Martinez, Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Cocucci, Andrea Aristides. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Sersic, Alicia Noemi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
description Background and Aims: The underlying evolutionary processes of pollinator-driven floral diversification are still poorly understood. According to Grant-Stebbins model speciation begins with adaptive local differentiation in response to spatial divergence in pollinators. Despite this crucial process links the micro- and macroevolution of floral adaptation, has received relatively poor attention. We studied geographical phenotypic variation of the Patagonian Calceolaria polyrhiza and its pollinators, two oil-collecting bee species that differ in body size and geographical distribution. Methods: We examined geographical pattern of phenotypic variation and its relationship with pollinators and abiotic factors. Six floral and seven vegetative traits were measured in 46 populations distributed across the entire species range. We selected 24 sites and retrieved their climatic and edaphic parameters; we captured 2-16 bees/site of the most frequent pollinator species and measured a critical flower-bee fitting trait involved in effective pollination. Geographical patterns of phenotypic variation and environmental variation were examined using uni- and multivariate analyses. Mantel permutation test was used to explore decoupled geographic variation between corolla area and fit-related floral traits. Key Results: Body length of pollinators and floral fit-related traits were strongly correlated with one another. Geographic variation of mechanical-fit related traits is decoupled from variation in corolla size. This latter floral trait has a geographical pattern consistent with that of vegetative traits and is mainly affected by climatic gradients. Conclusions: In this system pollinators play a key role in shaping floral phenotype at a geographical scale, promoting the differentiation of two floral ecotypes. The relationship between floral fit-related trait and bee length remained significant even in models that included various environmental variables and an allometric predictor (corolla area) one. The abiotic environment also has an important role, mainly affecting floral size. Decoupled geographical variation between fit-related traits and floral size is suggested to represent a strategy to maintain plant-pollinator phenotypic matching in this environmentally heterogeneous area.
publishDate 2013
dc.date.none.fl_str_mv 2013-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/1344
Cosacov Martinez, Andrea; Cocucci, Andrea Aristides; Sersic, Alicia Noemi; Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?; Oxford University Press; Annals of Botany; 113; 2; 9-2013; 251-266
0305-7364
url http://hdl.handle.net/11336/1344
identifier_str_mv Cosacov Martinez, Andrea; Cocucci, Andrea Aristides; Sersic, Alicia Noemi; Geographical differentiation in floral traits across the distribution range of the Patagonian oil-secreting Calceolaria polyrhiza: Do pollinators matter?; Oxford University Press; Annals of Botany; 113; 2; 9-2013; 251-266
0305-7364
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/aob/article/113/2/251/2768981
info:eu-repo/semantics/altIdentifier/doi/10.1093/aob/mct239
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Oxford University Press
publisher.none.fl_str_mv Oxford University Press
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
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instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
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