title Invasive and non-invasive congeneric Centaurea (Asteraceae) show contrasting patterns of herbivory by snails
authors Filipe, JC; Jorge, A; Eren, O; Sotes, G; Hierro, J; Montesinos, D
author full name Filipe, Joao C.; Jorge, Andreia; Eren, Ozkan; Sotes, Gaston; Hierro, Jose; Montesinos, Daniel
nationality internacional
language English
document type Article
author keywords Herbivory; chemical defences; invasive species; Centaurea
abstract Background and aims - Once introduced into new regions, exotic species often experience shifts in resource allocation in response to the different environmental conditions found in the introduction range. Plants naturally respond to specialist herbivores with quantitative defences, by producing large amounts of toxic and non-toxic compounds that typically difficult digestion (e.g. tannins, cellulose), and to generalist herbivores with qualitative defences, like specialized noxious chemicals (e.g. alkaloids). The Shifting Defence Hypothesis (SDH) poses that invasive plants decrease the production of defences against specialist herbivores in their introduction range, where specialist herbivores are usually absent, while boosting the production of defences against generalist herbivores. Methods - We empirically assessed the response of a generalist herbivore, the common garden snail (Helix aspersa), to feeding with leaves of the annual herb Centaurea sulphurea, native to Europe and naturalized in North America; and the congeneric species C. solstitialis, which is also native to Europe and invasive in the Americas. Key results - Snails fed with leaves from Spanish native populations the non-invasive C. sulphurea grew significantly less compared to snails fed with leaves from non-native California. For snails fed with the invasive C. solstitialis significant differences were also found among regions, but the response was more complex, depending on population, with snails fed with Turkish and Australian plants presenting higher growth rates than the rest of the regions. Conclusions - Overall, our results stressed the importance of colonization history in shaping adaptive responses, and the stochasticity associated with colonization events of two closely related species, with contrasting invasive success and responses to herbivory.
author address [Filipe, Joao C.; Jorge, Andreia; Montesinos, Daniel] Univ Coimbra, Dept Life Sci, Ctr Funct Ecol, P-3000456 Coimbra, Portugal; [Eren, Ozkan] Adnan Menderes Univ, Fen Edebiyat Fak, Biyol Bolumu, Bot Ana Bilim Dali, Aydin, Turkey; [Sotes, Gaston] Univ Concepcion, Fac Ciencias Nat & Oceanog, Dept Bot, Victor Lamas 1290,POB 160 C, Concepcion, Chile; [Sotes, Gaston] Univ Chile, IEB, POB 653, Santiago, Chile; [Hierro, Jose] Univ Nacl Pampa, INCITAP CONICET, AR-6300 Santa Rosa, Argentina; [Hierro, Jose] Univ Nacl Pampa, Fac Ciencias Exactas & Nat, AR-6300 Santa Rosa, Argentina
reprint address Filipe, JC (reprint author), Univ Coimbra, Dept Life Sci, Ctr Funct Ecol, P-3000456 Coimbra, Portugal.
e-mail address filipe.j.carlos@gmail.com
researcherid number Montesinos, Daniel/A-9070-2012
orcid number Montesinos, Daniel/0000-0003-2893-0878
funding agency and grant number Portuguese Fundacao para a Ciencia e a Tecnologia - FCT [PCT/BIA-PLA/3389/2012]; FCT [IF-00066-2013]; European Commission [FP7-PEOPLE-MC-CIG-321909]; European Union via QREN; European Union via COMPETE; European Union via FEDER
funding text Research was funded by the Portuguese Fundacao para a Ciencia e a Tecnologia - FCT (PCT/BIA-PLA/3389/2012). DM was funded by FCT (IF-00066-2013), and by the European Commission (FP7-PEOPLE-MC-CIG-321909). FCT is partially funded by the European Union via QREN, COMPETE and FEDER. The authors wish to thank the staff, colleagues, and friends at CFE-UC for their support.
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cited reference count 25
publisher city MEISE
publisher address NIEUWELAAN 38, B-1860 MEISE, BELGIUM
issn 2032-3913
29-character source abbreviation PLANT ECOL EVOL
iso source abbreviation Plant Ecol. Evol.
year published 2016
volume 149
issue 2
beginning page 228
ending page 232
digital object identifier (doi) 10.5091/plecevo.2016.1231
page count 5
web of science category Plant Sciences
subject category Plant Sciences
document delivery number DQ7AO
unique article identifier WOS:000379359100009
file filipeetal2016herbivorycentaureasnailspee.pdf
CFE authors
Daniel Montesinos