SAND BEACH AND COBBLE BEACH COMMUNITIES; CORAL COMMUNITIES  

Cobble & Bedrock Beach - Cobble beach and bedrock beach are two rocky beach types that occur where limestone bedrock forms the shore of Lake

Conifer Swamp - Conifer swamp is a wooded wetland dominated by coniferous trees such as Northern white cedar, tamarack, balsam fir, and black spruce

marsh is an increasingly rare freshwater natural community watershead

Sand Beach & Open Dunes

Wooded Dune & Swale

Sand Beach

Cobble beach

Sand and cobble beach: Donax vittatus

Donax vittatus

Emerita - a crab These things, about 2-3 cm long

Sand and cobble beach: Emerita

Sand and cobble beach: tardigrade - an organism tiny enoughto be seen by the unaided eye.

Tardigrada - Water bear

Coral reefs

Coral reefs distribution

hermatypic corals

deep water corals - ahermatypic corals

Cup Coral

Hexacorals

Fringing reef

Platform reefs usually lie in sheltered seas and quite far offshore

Barrier reef

Atolls are rings of reef, often encircling an island (sand and coral rubble).

Sargasso Sea

Sargasso Sea

dinoflagellates

dinoflagellates

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