Salt Marshes

By Michael M. and Noel C.

What is a Salt Marsh?

A salt marsh is a marshy area found near estuaries and sounds. The water in salt marshes varies from saturated water with some salt and freshwater.
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Where do Salt Marshes come from?

A coastal ecosystem in the upper coastal intertidal zone between land and open salt water or brackish water that is regularly flooded by tides.
Intro to Salt Marshes
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Here is an additional video for extra information!

The Abiotic Factors of Salt Marshes

The Abiotic factors of Salt Marshes are:

  1. Temperature
  2. pH
  3. Currents
  4. Minerals
  5. Sunlight
  6. Rock
  7. Water
  8. Flooding
  9. Mud and Cement
  10. Tides

Biotic Factors of Salt Marshes

There are many biotic factors in Salt Marshes such as:

  1. Animals
  2. Plants
  3. Fungi
  4. Bacteria
  5. Protist

What is the food web?

Here is a picture to help us explain what is a food web.
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Food Web Species


  • Cord Grass
  • Detritus
  • Grass Shrimp
  • Periwinkle
  • Diamondback terrapin and Sheepshead minnow on the opposite side
  • Blue Crab
  • Otter
  • Herring gull


Human Impacts on Salt Marshes.

Three hundred and fifty years of wetland destruction and pollution have left a legacy on New England salt marshes. Today, some of the challenges facing wetland managers and scientist include the identification or imperiled salt marshes, the prioritization of sites for restoration, and the development of ways to measure the effectiveness of restoration efforts. Human Impacts are:

  1. Pollution
  2. Coastal Development
  3. Improper marsh elevations
  4. Non-native species

Apex Predator of the Salt Marshes: The American Herring Gull

The American Herring Gull or Smithsonian Gull is a large gull which breeds in North America, where it is treated by the American Ornithologists' Union as a subspecies of herring gull.

Adults are whites with grey back and wings, black wingtips with white spots, and pink legs, immature birds are gray-brown and are darker and more uniform than European Herring Gulls, with darker tails. They're most hunted prey is the Blue Crab, Sheepshead Minnow, and the Diamondback Terrapin.

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Click here for more on the American Herring Gull

This link is meant to take you to wikipedia for some extra information we may have left out. If this helped you please let us know in the comment box down just below this text.