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This global meta-analysis documents data from underwater visual surveys used to determine the effect of kelp bed disturbance and canopy density on the abundance and structure of fish communities. Spatial, temporal and ontogenetic variability of many key fish species was examined at various levels of kelp disturbance at sites spanning a global temperate distribution. Rocky reef habitats and fisheries management regimes of sites were also examined as covariates.
This global meta-analysis documents seasonal and interannual variability in the structure of reef-based kelp dominated communities. Temporal trends in kelp biomass, stipe density, percent cover, and rates of change of kelp density are measured across various ecoregions in global temperate zones.