Fig. 1From: Testing for the induction of anti-herbivory defences in four Portuguese macroalgae by direct and water-borne cues of grazing amphipodsMean (+SE) amphipod-consumption on live pieces of different alga species during 4-day long feeding assays (n = 5) at the end of the treatment phase (see “Materials and methods” for details). Black bars controls, open bars directly amphipod attacked, * significantly differentBack to article page