Ocean Zones (shoreline to open ocean)

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Presentation transcript:

Ocean Zones (shoreline to open ocean) Intertidal Zone Neritic Zone Open Ocean Zone Benthic Zone

Intertidal Zone Neritic Zone Open Ocean Zone Continental Shelf Sunlight Continental Shelf Benthic Zone

Intertidal Zone Area between high tide line and low tide line Organisms adapted to harsh, changing environments Intertidal Zone Continental Shelf

The Impact of the Intertidal Zone

Neritic Zone Area over the continental shelf Area of greatest density and diversity of marine life Neritic Zone Continental Shelf

Open Ocean Zone From the continental break out to open ocean Shelf

Benthic Zone The Ocean Floor Underlies all the other zones

Lifestyles 3 Basic Lifestyles: Plankton Nekton Benthos

Ocean Lifestyles

Plankton Floaters or very poor swimmers Plankton divided into 2 groups: Phytoplankton – producers, photosynthesizers Zooplankton – consumers

Phytoplankton Must live in the photic zone Most abundant in shallow coastal areas or in upwelling zones The basis of the oceanic food web

Zooplankton Foraminifers Radiolarians Cnidarians Combjellies Arthropods Larvae

Zooplankton

Nekton (swimmers) Free swimmers Maneuver actively in the water column Found in the water column from surface to ocean floor

Nekton (swimmers) 5 Categories: Reptiles Mammals Fish Arthropods Mollusks

Nekton (swimmers) Marine Reptiles: Turtles Snakes Crocodiles Iguanas

Nekton (swimmers) Marine Mammals: Whales Seals Otters Manatees Dolphins

Nekton (swimmers) Bony Fish: Tuna Barracuda Eels Angler Fish

Nekton (swimmers) Cartilaginous Fish Sharks Rays Skates Chimaeras

Nekton (swimmers) Marine Arthropods Shrimp Mollusks Squid Octopi

Benthos (bottom dwellers) Live either burrowed in, resting on, or attached to the bottom Primarily filter feeders, scavengers or deposit feeders

Benthos (bottom dwellers) 2 Basic Types: Sessile - Live attached to the bottom Vagrant - Able to move about

Benthos (bottom dwellers) Sessile: Barnacles Sponges Corals Sea Anemones Oysters Clams

Benthos (bottom dwellers) Vagrant: Crabs Sea Stars Sea Cucumbers Sea Urchins Brittle Stars

Now what do you think?? Hmmmm…

What Am I?

What Am I?

What Am I?

What Am I?

What Am I?

What Am I?

What Am I?

What Am I?

Which mapping technology would you use? Intertidal Zone Snorkel GPS (satellites) Neritic Zone Scuba Diver Open Ocean Zone Submarines Sonar Benthic Zone Submersibles R.U.M.s (robots)