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Mediated Indirect Interactions; Seaweed Fucus-Vesiculosus; Tissue-Specific Induction; Anti-Herbivore Defense; Chemical Defenses; Brown Seaweed; Food-Chain; Antipredator Behavior; Laminaria-Hyperborea; Ascophyllum-Nodosum
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Full-Text Articles in Life Sciences
Non-Consumptive Predator Effects Indirectly Influence Marine Plant Biomass And Palatability, Pl Reynolds, Ee Sotka
Non-Consumptive Predator Effects Indirectly Influence Marine Plant Biomass And Palatability, Pl Reynolds, Ee Sotka
VIMS Articles
1. Predators can reduce herbivory and increase plant biomass by consuming herbivores, lowering individual herbivore feeding rates, or both. We tested whether the presence of predators increases plant quality by non-consumptively reducing grazing pressure and thereby weakening the strength of the induced response in plant chemical defences. 2. We performed a 42-day outdoor mesocosm experiment in which the herbivorous amphipod Ampithoe longimana was cultured on the brown seaweed Sargassum filipendula in the presence and absence of olfactory cues of its principal fish predator, the pinfish Lagodon rhomboides. The presence of fish cues reduced per capita rates of amphipod grazing by …