Authors
Alejandro Pérez‐Matus, Sergio A Carrasco, Stefan Gelcich, Miriam Fernandez, Evie A Wieters
Publication date
2017/5
Journal
Ecosphere
Volume
8
Issue
5
Pages
e01808
Description
Understanding the processes that drive kelp forest communities is critical for management and conservation of these productive ecosystems. As a way to advance in this direction, we explored the effects of fishing pressure and upwelling intensity over kelp forest communities along the central coast of Chile. We sampled kelp communities in different upwelling conditions associated with contrasting management regimes, namely Territorial User Rights for Fisheries (TURFs) and open‐access (OA) areas. In TURF areas, we found a 2.6‐fold increase in reef fish biomass, higher diversity of all fish trophic groups, mainly dominated by benthic carnivore feeders, and a 1.8‐fold reduction in the number of kelp grazers. On the other hand, upwelling regimes evidence a 1.6‐fold increase in abundance and recruitment of the dominant kelp (Lessonia trabeculata), and also an increase in biomass of planktivorous reef fishes. We …
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