Grazer composition an important factor in controlling macroalgae

We know the biomass of macroalgae on coral reefs is largely controlled by herbivory and that one of the most important groups of grazers are parrotfish.  A new study published in PNAS (Berkepile and Hay 2008) indicates that the richness and composition of grazer species is also important.  In a nutshell, different fish consume different … Continue reading Grazer composition an important factor in controlling macroalgae