La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Long-term demographic consequences of eavesdropping for sagebrush
Auteurs :	Richard Karban, Auteur ; Satomi Ishizaki, Auteur ; Kaori Shiojiri, Auteur
Type de document :	Article
Dans :	Journal of Ecology (100(4) JUL 2012)
Article en page(s) :	932-938
Langues:	Anglais
Résumé :	1. There are now approximately 10 examples of plants that use volatile cues emitted by damaged neighbours to adjust their defences against herbivores. For two of these examples, preliminary evidence suggested that plants may experience net benefits from such eavesdropping, although eavesdropping was uncommon in one case and estimates of plant fitness were ambiguous in the other case. 2. In the current study, we examined the long-term consequences of exposure to cues emitted by experimentally clipped sagebrush neighbours. In this sagebrush system we have repeatedly found that sagebrush plants that have experimentally clipped neighbours experience less herbivore damage over the season than plants with unclipped control neighbours under field conditions. We followed a cohort of young sagebrush plants from emergence in 1999 for

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