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Planktonic Patterns and Processes in the Giant Kelp Macrocystis pyrifera

Propagule supply is fundamental in regulating the strength of demographic and genetic interactions in natural populations. In marine systems, recent studies focusing on benthic fish and invertebrate species with long planktonic durations have found that propagule production and supply are de-coupled by physical transport processes. Most benthic marine populations therefore have been considered demographically open, whereby recruitment is driven by remote propagule production. Few studies have focused on species with shorter planktonic durations (e. g., seaweeds).

Ten Years of Change at the Channel Islands

In 2003, California established thirteen marine protected areas (MPAs) in state waters around the northern Channel Islands, off the coast of Southern California. In 2007, the National Oceanic and Atmospheric Administration extended these MPAs into federal waters of the Channel Islands National Marine Sanctuary. These areas, most of which are no-take marine reserves, were designed to help restore biodiversity and ecosystem health by protecting local marine life and habitats.

Climate Change Issue Profile: Sea Level Rise

Sea level rise is a major climate change impact that is already being experienced in parts of the United States, including many marine protected areas (MPAs) along the coast. MPAs can play an important role in addressing the impacts of climate change and building community resilience. As special places with long term protection, many MPAs provide the infrastructure to focus research and monitoring efforts of climate trends, provide protection against non-climate stressors, and effectively engage the community through public education programs, advisory groups, and onsite staff.

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