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Questions and Answers

What are the three indicators that define a wetland?

  • Temperature, precipitation, and humidity
  • Rocks, sand, and water
  • Vegetation, soil, and hydrology (correct)
  • Insects, birds, and mammals

Which are the five ecological systems (or water regimes) in which wetlands may be found in Maryland?

  • Alpine lakes, desert oases, lagoons, hot springs, and geysers
  • Mangrove forests, coral reefs, seagrass beds, kelp forests, and rocky shores
  • Glaciers, ice caps, icebergs, ice shelves, and ice floes
  • Tidal freshwater marshes, tidal brackish marshes, saltwater marshes, cypress swamps, and riparian wetlands (correct)

What are the six indicators of wetland hydrology?

  • Groundwater level, river flow, lake depth, snowmelt, ice cover, and precipitation
  • Tides, waves, currents, salinity, temperature, and dissolved oxygen
  • Sunlight, temperature, wind speed, cloud cover, humidity, and air pressure
  • Inundation, soil saturation, oxidized rhizospheres, water marks, drift or scour lines, and sediment deposits (correct)

What is the most common wetland ecological type in Maryland?

<p>Palustrine (B)</p> Signup and view all the answers

In which region of Maryland are the greatest acres of forested wetlands found?

<p>Eastern shore of the coastal plain (C)</p> Signup and view all the answers

How is peat formed?

<p>It is formed by the accumulation of partially decayed vegetation or organic matter in wetlands (A)</p> Signup and view all the answers

What defines peatlands, bogs, mires, moors, or muskegs?

<p>They are natural areas unique to the accumulation of partially decayed vegetation or organic matter (A)</p> Signup and view all the answers

What percentage of Maryland's wetlands are represented by estuarine wetlands?

<p>42% (B)</p> Signup and view all the answers

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Study Notes

Wetland Indicators

  • Three indicators defining a wetland: hydrology (presence of water), hydric soils (saturated or flooded conditions), and hydrophytic vegetation (plants adapted to wet conditions).

Ecological Systems in Maryland

  • Five ecological systems (water regimes) for wetlands in Maryland:
    • Palustrine (non-tidal wetlands)
    • Riverine (wetlands along rivers)
    • Lacustrine (wetlands adjacent to lakes)
    • Estuarine (wetlands at the interface of freshwater and saltwater)
    • Tidal (wetlands influenced by tides)

Indicators of Wetland Hydrology

  • Six hydrology indicators include:
    • Surface water presence (evidence of flooding)
    • Soil saturation (waterlogged conditions)
    • Water-stained vegetation (indications of prolonged saturation)
    • Drainage patterns (evidence of water flow)
    • Aquatic organism presence (species relying on wetland conditions)
    • Microtopography features (small landscape variations indicating water presence)

Common Wetland Ecological Type

  • The most common wetland ecological type in Maryland is palustrine wetlands.

Forested Wetlands in Maryland

  • The greatest acres of forested wetlands in Maryland are found in the western region of the state.

Peat Formation

  • Peat forms through the accumulation of decomposed plant material in waterlogged conditions, leading to partial decomposition due to anaerobic bacteria.

Definitions of Peatlands

  • Peatlands, including bogs, mires, moors, and muskegs, are characterized by high organic material accumulation, saturated conditions, and distinct vegetation types adapted to wet environments.

Estuarine Wetlands in Maryland

  • Estuarine wetlands comprise approximately 30% of Maryland's total wetland area.

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