Journal Article California marine heatwaves marine protected area networks CMIP6 Channel Islands National Marine Sanctuary ENSO GPS‐tracking Kelp forest communities Research Support, Non-U.S. Gov't Santuario Marino Nacional de las Islas del Canal arrecifes rocosos biodiversidad oceánica bioeconomic modeling biogeographic patterns bosques de algas causal inference climate change climate change effects community composition community structure conservación marina ecosystem functioning fisheries functional responses inferencia causal kelp forests marine conservation marine reserve marine spatial planning