Dive transect data
All data collected during dive transects: habitat descriptors over transects, algae morphotype cover, fish abundances and estimated sizes
Conversion formula of invertebrate taxa length to weight citing source litrature
Length mass conversion of invertebrate fauna of algae
Length mass conversions used for the invertebrate fauna within algae morphotypes. The final equations can also be found summarized in the supplementary material. Relationship for a taxonomic group were sometimes derived from equations or data from various species available in the published litrature. In this case a mean relationship was used to derive the taxonomic group equation.
Algae associated fauna
Associated fauna of different algae morphotypes collected from algae cuttings. Density and body size of taxa identified.
Data of prey sizes from fish stomach samples
Dataset of prey sizes by taxonomic groups found within stomach samples of the three study species.
Length and weight of juvenile fish caught with handnets
Length and weight of juvenile fish caught with handnets.
PCA general results
PCA eigenvalues and percentage and cumulative percentage of variation explained by PCA axis in algae morphotype cover over dive transects corresponding to figure 3
Average squared distance between transects
Average squared distance between transects belonging to tested seasons and Islands sampling events. Shaded boxes show average squared distance between transects within season and island grouping. The lager the average squared distance the more dissimilar are the dive transect groupings with respect to their algae cover composition. Bold numbers are representing the highest values measured indicating that transects sampled in summer in Menorca were distinct from the other sampling seasons.
Results of the distance based linear model (DistLM)
Results of the distance based linear model DistLM relating environmental variables to the PCA ordination shown in Figure 3.
Results ANOVA size of morphotypes
Results of two-way variance analysis on the size of morphotypes and the effect of season tested for both Islands Mallorca and Menorca. Test were run on log transformed height in cm
Post-hoc Tukey test size of morphotypes
Results of the post-hoc Tukey test related to the analyses performed in table S11. Differences in the same morphotypes between seasons in the tow islands and differences between morphotypes within seasons.
Taxa composition of associated fauna by morphotypes
Mean abundance (0.062 m2) and percentage contribution of dominant taxa inhabiting different morphotypes
Results of the one way ANOVA prey availabiltity
Results of the one way ANOVA comparing prey availabiltiy within different algae morphotypes
Post-hoc turkey test prey availability
Results of the pairwise comparisons between prey availability (abundance and biomass) in different algae morphotypes for the three study fish species from the post-hoc turkey test. For the original one-way ANOVA analysis results see S14.
Abundance and Biomass of invertebrate community per algae morphotype
Abundance (0.062 m2) and estimated biomass (AFDW mg per 0.062 m2) of invertebrate fauna associated to different algae morphotypes collected in spring (May 2014) and summer (August 2014) in Mallorca and Menorca. Error bar are S.E.