Plasticity in plant functional traits is shaped by variability in neighbourhood species composition

© 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.

Détails bibliographiques
Publié dans:The New phytologist. - 1990. - 211(2016), 2 vom: 21. Juli, Seite 455-63
Auteur principal: Abakumova, Maria (Auteur)
Autres auteurs: Zobel, Kristjan, Lepik, Anu, Semchenko, Marina
Format: Article en ligne
Langue:English
Publié: 2016
Accès à la collection:The New phytologist
Sujets:Journal Article Research Support, Non-U.S. Gov't biotic environment competition functional traits local adaptation neighbour recognition phenotypic plasticity selection spatial patterns
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520 |a Plant functional traits can vary widely as a result of phenotypic plasticity to abiotic conditions. Trait variation may also reflect responses to the identity of neighbours, although not all species are equally responsive to their biotic surroundings. We hypothesized that responses to neighbours are shaped by spatial community patterns and resulting variability in neighbour composition. More precisely, we tested the theoretical prediction that plasticity is most likely to evolve if alternative environments (in this case, different neighbour species) are common and encountered at similar frequencies. We estimated the frequencies of encountering different neighbour species in the field for 27 grassland species and measured the aboveground morphological responses of each species to conspecific vs heterospecific neighbours in a common garden. Responses to neighbour identity were dependent on how frequently the experimental neighbours were encountered by the focal species in their home community, with the greatest plasticity observed in species that encountered both neighbours (conspecific and heterospecific) with high and even frequency. Biotic interactions with neighbouring species can impose selection on plasticity in functional traits, which may feed back through trait divergence and niche differentiation to influence species coexistence and community structure 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a biotic environment 
650 4 |a competition 
650 4 |a functional traits 
650 4 |a local adaptation 
650 4 |a neighbour recognition 
650 4 |a phenotypic plasticity 
650 4 |a selection 
650 4 |a spatial patterns 
700 1 |a Zobel, Kristjan  |e verfasserin  |4 aut 
700 1 |a Lepik, Anu  |e verfasserin  |4 aut 
700 1 |a Semchenko, Marina  |e verfasserin  |4 aut 
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