Kathleen Fox. Intertidal Zone The zone between the highest and lowest tides along marine shores. Located along coast lines all around the world Kathleen.

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Presentation transcript:

Kathleen Fox

Intertidal Zone The zone between the highest and lowest tides along marine shores. Located along coast lines all around the world Kathleen Fox

Types of Intertidal Zones Sand Beaches Rocks Estuaries Mangrove Coral Reefs Kathleen Fox

Three Zones Within… Supra-Littoral Zone covered by water during the highest high tides arid conditions Mid-Littoral Zone Increased submergence time Home to many mussels Pisaster ochraceous. Low-Littoral Zone normally covered by water. high concentration of nutrients Home to many organisms Kathleen Fox

Organisms Adapt to Changes… Moisture Covered at high tide, exposed to air at low tide. Water Movement rough waves can dislodge or carry away poorly-adapted organisms (Barnacles) Temperature range from moderate water temperature to moderate/scorching or freezing air temps. Salinity Tide pools can become diluted or very salty Kathleen Fox

Flora Sea Grass Seaweed Green Algae Dead Mans Finger Brown Algae Common Rockweed Kathleen Fox

Fauna Crabs Starfish Atlantic Horseshoe Crab Shiny Red Tunicate Kathleen Fox

Threats Invasive Species Caulerpa taxifolia Algae from Caribbean in Massachusetts Humans Harvesting animals/plants (aquariums: seaweeds) Shell collecting Pollution Trash Oil spills Sewage spills Toxic chemical runoff Global Climate Change Rise in ocean temperature Shift of distribution Kathleen Fox

References SeaWorld &Busch Gardens. "TIDE POOLS - Human Impact & Conservation."SeaWorld/Busch Gardens ANIMALS - HOME. SeaWorld & Busch Gardens. Web. 26 Oct impact.htmhttp:// impact.htm "OceanLink | Biodiversity - the Intertidal." OceanLink | Marine Sciences Education and Fun. OceanLink. Web. 26 Oct "Shores - NatureWorks." New Hampshire Public Television - Engage. Connect. Celebrate. Nature Works. Web. 26 Oct "Marine Ecosystems - Zonation Features on Seashore." Tonya Homesite It Trainer and Student Marine Biology Oceanography Bangor Ocean Sciences. Tonya Marine Biology/Oceanography. Web. 26 Oct Kathleen Fox

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