Phenological shifts and flower visitation of 185 lowland and alpine species in a lowland botanical garden

Razanajatovo, Mialy; Föhr, Christine; van Kleunen, Mark; Fischer, Markus

Phenological shifts and flower visitation of 185 lowland and alpine species in a lowland botanical garden

Dateien

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Datum

2018

Autor:innen

Razanajatovo, Mialy

Föhr, Christine

van Kleunen, Mark

Fischer, Markus

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Alpine Botany. 2018, 128(1), pp. 23-33. ISSN 1664-2201. eISSN 1664-221X. Available under: doi: 10.1007/s00035-018-0201-x

Zusammenfassung

Many plant species respond to climate change by phenological shifts, usually with an earlier flowering onset. However, the variability in flowering responses to changed climatic conditions is large, and rare plant species, which are likely to have a low environmental tolerance, may be less able to shift their phenology than common ones. If plant species respond to climate change by shifting their flowering phenology, plant–pollinator interactions may become disrupted. However, it is vital for the reproduction of animal-pollinated plants, and thus for long-term population survival, that plants can attract pollinators. This might be especially difficult for rare species as they may depend on one or few pollinator species. To assess how climatic conditions affect the phenology of common and rare plant species, and whether the plant species attract potential pollinators, we assessed flowering onset and flower visitation in the lowland Botanical Garden of Bern, Switzerland, for 185 native plant species originating from different altitudinal zones. Plants from high elevations flowered earlier and showed more pronounced phenological shifts than plants from lower elevations, independent of species rarity. The probability, number, and duration of flower visits and the number of flower-visitor groups were independent of the altitudinal zone of plant origin and of species rarity. The composition of flower-visitor groups did also not depend on the altitudinal zone of plant origin and on species rarity. Thus, rare and common alpine plants may generally respond to climate change by an earlier flowering onset, and may be able to establish novel interactions with pollinators.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Commonness and rarity, Global warming, Mutualism, Novel interactions, Plant–pollinator interactions

Zitieren

ISO 690

RAZANAJATOVO, Mialy, Christine FÖHR, Mark VAN KLEUNEN, Markus FISCHER, 2018. Phenological shifts and flower visitation of 185 lowland and alpine species in a lowland botanical garden. In: Alpine Botany. 2018, 128(1), pp. 23-33. ISSN 1664-2201. eISSN 1664-221X. Available under: doi: 10.1007/s00035-018-0201-x

BibTex

@article{Razanajatovo2018-04Pheno-41229,
  year={2018},
  doi={10.1007/s00035-018-0201-x},
  title={Phenological shifts and flower visitation of 185 lowland and alpine species in a lowland botanical garden},
  number={1},
  volume={128},
  issn={1664-2201},
  journal={Alpine Botany},
  pages={23--33},
  author={Razanajatovo, Mialy and Föhr, Christine and van Kleunen, Mark and Fischer, Markus}
}

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    <dcterms:abstract xml:lang="eng">Many plant species respond to climate change by phenological shifts, usually with an earlier flowering onset. However, the variability in flowering responses to changed climatic conditions is large, and rare plant species, which are likely to have a low environmental tolerance, may be less able to shift their phenology than common ones. If plant species respond to climate change by shifting their flowering phenology, plant–pollinator interactions may become disrupted. However, it is vital for the reproduction of animal-pollinated plants, and thus for long-term population survival, that plants can attract pollinators. This might be especially difficult for rare species as they may depend on one or few pollinator species. To assess how climatic conditions affect the phenology of common and rare plant species, and whether the plant species attract potential pollinators, we assessed flowering onset and flower visitation in the lowland Botanical Garden of Bern, Switzerland, for 185 native plant species originating from different altitudinal zones. Plants from high elevations flowered earlier and showed more pronounced phenological shifts than plants from lower elevations, independent of species rarity. The probability, number, and duration of flower visits and the number of flower-visitor groups were independent of the altitudinal zone of plant origin and of species rarity. The composition of flower-visitor groups did also not depend on the altitudinal zone of plant origin and on species rarity. Thus, rare and common alpine plants may generally respond to climate change by an earlier flowering onset, and may be able to establish novel interactions with pollinators.</dcterms:abstract>
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