Published October 14, 2020 | Version v1
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Data from: Trait matching and phenological overlap increase the spatio-temporal stability and functionality of plant-pollinator interactions

  • 1. National Scientific and Technical Research Council

Description

Morphology and phenology influence plant-pollinator network structure, but whether they generate more stable pairwise interactions with higher pollination success is unknown. Here we evaluate the importance of morphological trait matching, phenological overlap and specialisation for the spatio-temporal stability (measured as variability) of plant-pollinator interactions  and for pollination success, while controlling for species abundance. To this end, we combined a six-year plant-pollinator interaction dataset, with information on species traits, phenologies, specialisation, abundance and pollination success, into structural equation models. Interactions among abundant plants and pollinators with well-matched traits and phenologies formed the stable and functional backbone of the pollination network, whereas poorly-matched interactions were variable in time and had lower pollination success. We conclude that phenological overlap could be more useful for predicting changes in species interactions than species abundances, and that non-random extinction of species with well-matched traits could decrease the stability of interactions within communities and reduce their functioning.

Notes

Plant-pollinator data from Villavicencio Nature Reserve, including yearly plant-pollinator interaction matrices for six consecutive years (2006-2011), flower abundance for the same six years, phenological overlap among plant and pollinator species, plant and pollinator traits, and pollination success.

Funding provided by: Consejo Nacional de Investigaciones Científicas y Técnicas
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100002923
Award Number: PIP 6564

Funding provided by: Consejo Nacional de Investigaciones Científicas y Técnicas
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100002923
Award Number: PIP 2781

Funding provided by: Fondo para la Investigación Científica y Tecnológica
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100006668
Award Number: PICT 20805

Funding provided by: Fondo para la Investigación Científica y Tecnológica
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100006668
Award Number: PICT 1471

Funding provided by: Fondo para la Investigación Científica y Tecnológica
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100006668
Award Number: PICT 2010‐2779

Funding provided by: Fondo para la Investigación Científica y Tecnológica
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100006668
Award Number: PICT 2014-3168

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