Summary of impacts of canopy loss and disturbance on aspects of ecosystem structure and functioning after 18 months.

C = Canopy, D = Disturbance, CD = Canopy x Disturbance interaction. For C & D, a ‘+’ symbol indicates a significant positive effect of applying the treatment (e.g. removal of canopy increases the value of the response variable), ‘−’ symbol indicates a significant negative effect of applying the treatment (e.g. disturbance reduces the value of the response variable). For CD, a ‘−’ symbol indicates that loss of canopy reduced stability (i.e. increased impact of disturbance) and a ‘+’ symbol indicates that loss of canopy increased stability (i.e. reduced impact of disturbance). In each case, no symbol indicates no significant effect and ‘na’ indicates data unavailable. ‘Total cover’ refers to total algal cover, ‘GPP’ refers to Gross Primary Productivity, ‘NPP refers to Net Primary Productivity and CR refers to ‘Community Respiration’.