Intertidal zones, California

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Intertidal zones, California
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Questions

• What forces influence variation in tidal
  fluctuation?
• What scales of time and space are significant?
• How do organisms respond to this fluctuation
• in terms of distribution?
• in terms of interactions?

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Forces acting on the oceans
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Relative influences of the sun moon
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Tidal Fluctuations a matter of physics
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Lunar phase shifts in tides
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How is tidal flux measured?
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Daily changes
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Geographic variation in daily variation
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Monthly Seasonal changes
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Basin Effects Geographic Variation
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Diversity in Intertidal Habitats
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diurnal or semidiurnal variation
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substrate variety temperate, rocky
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substrate variety tropical, rocky
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substrate variety sandy
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clam of tropical, sandy beach
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shorebirds
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substrate variety mangrove
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substrate variety silts salt marsh
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substrate variety cobble
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force variation intense
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force variation protected
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Biodiversity foliose algae (tolerant)
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Biodiversity foliose algae (resistant)
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Biodiversity crustose algae
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Biodiversity Sponges
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Biodiversity mussels (Mytilus)
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attached, filter feeder
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Biodiversity barnacles - Pelicipes
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Biodiversity barnacles - Balanus
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Biodiversity Limpits
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Biodiversity chiten
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Biodiversity Littorine Snails
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Biodiversity Predatory Snails - Nucella
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Biodiversity Anemones
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Biodiversity Decapods
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Biodiversity Starfish
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Feeding Starfish
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Biodiversity Urchins
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Biodiversity Tunicate, solitary
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Biodiversity Tunicate, colonial
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Multiple factors influence distribution
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Settlement, establishment, competition
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Rocky intertidal microhabitats
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