The influence of biogeographical and evolutionary histories on morphological trait‐matching and resource specialization in mutualistic hummingbird–plant networks

  • Bo Dalsgaard
    Center for Macroecology, Evolution and Climate GLOBE Institute University of Copenhagen Copenhagen Ø Denmark
  • Pietro Kiyoshi Maruyama
    Centre of Ecological Synthesis and Conservation Department of Genetics, Ecology and Evolution ‐ ICB Federal University of Minas Gerais (UFMG) Belo Horizonte Brazil
  • Jesper Sonne
    Center for Macroecology, Evolution and Climate GLOBE Institute University of Copenhagen Copenhagen Ø Denmark
  • Katrine Hansen
    Center for Macroecology, Evolution and Climate GLOBE Institute University of Copenhagen Copenhagen Ø Denmark
  • Thais B. Zanata
    Departamento de Botânica e Ecologia Instituto de Biociências Universidade Federal de Mato Grosso Cuiaba Brazil
  • Stefan Abrahamczyk
    Nees Institute for Biodiversity of Plants Bonn Germany
  • Ruben Alarcón
    Biology Department California State University Channel Islands Camarillo CA USA
  • Andréa C. Araujo
    Instituto de Biociências Universidade Federal de Mato Grosso do Sul Campo Grande Brazil
  • Francielle P. Araújo
    Universidade Estadual do Rio Grande do Sul São Francisco de Paula Brazil
  • Silvana Buzato
    Departamento de Ecologia Universidade de São Paulo São Paulo Brazil
  • Edgar Chávez‐González
    Centro de Investigaciones Biologicas Instituto de Ciencias Basicas e Ingeniería Universidad Autónoma del Estado de Hidalgo Pachuca Mexico
  • Aline G. Coelho
    Laboratório de Ornitologia Departamento de Ciências Biológicas Universidade Estadual de Feira de Santana Feira de Santana Brazil
  • Peter A. Cotton
    Marine Biology & Ecology Research Centre University of Plymouth Plymouth UK
  • Román Díaz‐Valenzuela
    Centro de Investigaciones Biologicas Instituto de Ciencias Basicas e Ingeniería Universidad Autónoma del Estado de Hidalgo Pachuca Mexico
  • Maria F. Dufke
    Center for Macroecology, Evolution and Climate GLOBE Institute University of Copenhagen Copenhagen Ø Denmark
  • Paula L. Enríquez
    Departamento Conservación de la Biodiversidad El Colegio de la Frontera Sur Chiapas Mexico
  • Manoel Martins Dias Filho
    Departamento de Ecologia e Biologia Evolutiva Centro de Ciências Biológicas e da Saúde Universidade Federal de São Carlos São Carlos Brazil
  • Erich Fischer
    Instituto de Biociências Universidade Federal de Mato Grosso do Sul Campo Grande Brazil
  • Glauco Kohler
    Instituto Nacional de Pesquisas da Amazônia Petrópolis Manaus, Amazonas Brazil
  • Carlos Lara
    Centro de Investigación en Ciencias Biológicas Universidad Autónoma de Tlaxcala Tlaxcala Mexico
  • Flor Maria G. Las‐Casas
    Ciências Biológicas Centro de Estudos Superiores de Zé Doca Universidade Estadual do Maranhão Maranhão Brazil
  • Liliana Rosero Lasprilla
    Escuela de Ciencias Biologicas Grupo de Investigación Biología para la Conservación Universidad Pedagógica y Tecnológica de Colombia Tunja Colombia
  • Adriana O. Machado
    Instituto de Biologia Universidade Federal de Uberlândia Uberlândia Brazil
  • Caio G. Machado
    Laboratório de Ornitologia Departamento de Ciências Biológicas Universidade Estadual de Feira de Santana Feira de Santana Brazil
  • María A. Maglianesi
    Vicerrectoría de Investigación Universidad Estatal a Distancia San José Costa Rica
  • Tiago S. Malucelli
    Laboratório de Interações e Biologia Reprodutiva Departamento de Botânica Centro Politécnico Universidade Federal do Paraná Curitiba Brazil
  • Oscar H. Marín‐Gómez
    Red de Ambiente y Sustentabilidad Instituto de Ecología AC Veracruz Mexico
  • Vanessa Martínez‐García
    Centro de Investigaciones Biologicas Instituto de Ciencias Basicas e Ingeniería Universidad Autónoma del Estado de Hidalgo Pachuca Mexico
  • Severino Mendes de Azevedo‐Júnior
    Ciências Biológicas Centro de Estudos Superiores de Zé Doca Universidade Estadual do Maranhão Maranhão Brazil
  • Edvaldo Nunes da Silva Neto
    Departamento de Ecologia e Biologia Evolutiva Centro de Ciências Biológicas e da Saúde Universidade Federal de São Carlos São Carlos Brazil
  • Paulo E. Oliveira
    Instituto de Biologia Universidade Federal de Uberlândia Uberlândia Brazil
  • Juan Francisco Ornelas
    Departamento de Biología Evolutiva Instituto de Ecología AC Veracruz Mexico
  • Raul Ortiz‐Pulido
    Centro de Investigaciones Biologicas Instituto de Ciencias Basicas e Ingeniería Universidad Autónoma del Estado de Hidalgo Pachuca Mexico
  • Ruth Partida‐Lara
    Departamento Conservación de la Biodiversidad El Colegio de la Frontera Sur Chiapas Mexico
  • Blanca Itzel Patiño‐González
    Centro de Investigaciones Biologicas Instituto de Ciencias Basicas e Ingeniería Universidad Autónoma del Estado de Hidalgo Pachuca Mexico
  • Steffani Najara de Pinho Queiroz
    Faculdade Interdisciplinar de Humanidades Universidade Federal dos Vales do Jequitinhonha e Mucuri Diamantina Brazil
  • Mónica B. Ramírez‐Burbano
    Departamento de Biología Facultad de Ciencias Naturales y Exactas Universidad del Valle Cali Colombia
  • André Rodrigo Rech
    Faculdade Interdisciplinar de Humanidades Universidade Federal dos Vales do Jequitinhonha e Mucuri Diamantina Brazil
  • Márcia A. Rocca
    Departamento de Ecologia Centro de Ciências Biológicas e da Saúde Universidade Federal de Sergipe São Cristóvão Brazil
  • Licléia C. Rodrigues
    Laboratório de Ornitologia Departamento de Zoologia Instituto de Ciências Biológicas Universidade Federal de Minas Gerais Belo Horizonte Brazil
  • Ana M. Rui
    Departamento de Ecologia Zoologia e Genética Instituto de Biologia Universidade Federal de Pelotas Pelotas Brazil
  • Ivan Sazima
    Museu de Zoologia Instituto de Biologia Universidade Estadual de Campinas Campinas Brazil
  • Marlies Sazima
    Departamento de Biologia Vegetal Instituto de Biologia Universidade Estadual de Campinas Campinas Brazil
  • Benno I. Simmons
    Centre for Ecology and Conservation College of Life and Environmental Sciences University of Exeter Penryn UK
  • Boris A. Tinoco
    Escuela de Biología Universidad del Azuay Cuenca Ecuador
  • Isabela G. Varassin
    Laboratório de Interações e Biologia Reprodutiva Departamento de Botânica Centro Politécnico Universidade Federal do Paraná Curitiba Brazil
  • Marcelo F. Vasconcelos
    Museu de Ciências Naturais Pontifícia Universidade Católica de Minas Gerais Belo Horizonte Brazil
  • Jeferson Vizentin‐Bugoni
    Institudo de Biociências Universidade Federal do Rio Grande do Sul Porto Alegre Brazil
  • Stella Watts
    Faculty of Arts, Science and Technology University of Northampton Northampton UK
  • Jonathan D. Kennedy
    Natural History Museum of Denmark University of Copenhagen Copenhagen Ø Denmark
  • Carsten Rahbek
    Center for Macroecology, Evolution and Climate GLOBE Institute University of Copenhagen Copenhagen Ø Denmark
  • Matthias Schleuning
    Senckenberg Biodiversity and Climate Research Centre (SBiK‐F) Frankfurt (Main) Germany
  • Ana M. Martín González
    Pacific Ecoinformatics and Computational Ecology Lab Berkeley CA USA

抄録

<jats:title>Abstract</jats:title><jats:p> <jats:list> <jats:list-item><jats:p>Functional traits can determine pairwise species interactions, such as those between plants and pollinators. However, the effects of biogeography and evolutionary history on trait‐matching and trait‐mediated resource specialization remain poorly understood.</jats:p></jats:list-item> <jats:list-item><jats:p>We compiled a database of 93 mutualistic hummingbird–plant networks (including 181 hummingbird and 1,256 plant species), complemented by morphological measures of hummingbird bill and floral corolla length. We divided the hummingbirds into their principal clades and used knowledge on hummingbird biogeography to divide the networks into four biogeographical regions: Lowland South America, Andes, North & Central America, and the Caribbean islands. We then tested: (a) whether hummingbird clades and biogeographical regions differ in hummingbird bill length, corolla length of visited flowers and resource specialization, and (b) whether hummingbirds' bill length correlates with the corolla length of their food plants and with their level of resource specialization.</jats:p></jats:list-item> <jats:list-item><jats:p>Hummingbird clades dominated by long‐billed species generally visited longer flowers and were the most exclusive in their resource use. Bill and corolla length and the degree of resource specialization were similar across mainland regions, but the Caribbean islands had shorter flowers and hummingbirds with more generalized interaction niches. Bill and corolla length correlated in all regions and most clades, that is, trait‐matching was a recurrent phenomenon in hummingbird–plant associations. In contrast, bill length did not generally mediate resource specialization, as bill length was only weakly correlated with resource specialization within one hummingbird clade (Brilliants) and in the regions of Lowland South America and the Andes in which plants and hummingbirds have a long co‐evolutionary history. Supplementary analyses including bill curvature confirmed that bill morphology (length and curvature) does not in general predict resource specialization.</jats:p></jats:list-item> <jats:list-item><jats:p>These results demonstrate how biogeographical and evolutionary histories can modulate the effects of functional traits on species interactions, and that traits better predict functional groups of interaction partners (i.e. trait‐matching) than resource specialization. These findings reveal that functional traits have great potential, but also key limitations, as a tool for developing more mechanistic approaches in community ecology.</jats:p></jats:list-item> </jats:list> </jats:p><jats:p>A free <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://onlinelibrary.wiley.com/doi/10.1111/1365-2435.13784/suppinfo">Plain Language Summary</jats:ext-link> can be found within the Supporting Information of this article.</jats:p>

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