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Ecology of the Bay

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Chesapeake Bay

Ecology of the Bay

Fresh and Water Meet

Distinct biological zones

control distribution of life and number of species in Bay

define ecology:

150 headwater and 6 states

swamps , marshes, plant canopy, species, substrates

water chemistry, depths, soil types, variety of plants and animals

Critical salinity

Faunal break

Niche expansion

 

Limiting Factors

Water temperature

Dissolved oxygen

anoxic - devoid of oxygen

Nutrients

Turbidity

acidity/ alkalinity ( pH )

CO 2

levels

Trace elements

Species interaction

predation, parasitism, competition, disease

 

Bay Communities

Community types in the Bay

Wetlands

Submersed Grass Beds

SAV

Plankton

Nekton

Benthos

 

Energy Flow

Communities interwine - creates Bay ecosystem

Food web

Define energy flow:

Trophic levels

Basin nutrients

Back to:  349 Notebook