character: California's Coastal Ecosystems Overview
topic: Geography of California's Coastal Areas
subject: Geography
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character: Marine Life Diversity
topic: Ecological Importance of Coastal Ecosystems
subject: Geography
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character: Coastal Geography Features
topic: Physical Geography of California's Coastline
subject: Geography
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character: Human Impact on Coastlines
topic: Anthropogenic Effects on Coastal Ecosystems
subject: Geography
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