Testing effects of bottom‐up factors, grazing, and competition on New Zealand rocky intertidal algal communities
Barbara J. Spiecker,
Bruce A. Menge
Abstract:Top‐down and bottom‐up factors and their interaction highlight the interdependence of resources and consumer impacts on food webs and ecosystems. Variation in the strength of upwelling‐mediated ecological controls (i.e., light availability and herbivory) between early and late succession stages is less well understood from the standpoint of influencing algal functional group composition. We experimentally tested the effect of light, grazing, and disturbance on rocky intertidal turf‐forming algal communities. S… Show more
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