Development Structure Common Plants and Adaptations

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Presentation transcript:

Development Structure Common Plants and Adaptations Salt Marsh Development Structure Common Plants and Adaptations

Development of a New England Salt Marsh

Establishment of a salt marsh Low energy environment Accumulation of fine sediments Colonized by marsh plants

Spartina alterniflora Early colonizer also known as a pioneer species Binds anoxic mud together stabilizing the sediment Found along water’s edge but not submerged completely Halophytic

Marsh hay Spartina patens

Spikegrass Distichlis spicata Glasswort Salicornia europaea These two species are common to recently disturbed locations in the mid marsh. Good colonizers and tolerant of anoxic mud and high salinity.

Common weedy plants in high marsh Marsh goldenrod Salidago semperviens Marsh aster Aster tenuifolius Common weedy plants in high marsh Competition limits their distribution Sea lavender Limonium nashii

Phragmites – usually the outer border of upper marsh

What is causing these patterns?

Mechanisms for Salt Tolerance

Salt Marsh Snail

Fiddler Crab

Mud Snail

Salt Marsh Meiofauna

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