Wetland Characteristics

Wetland Characteristics - Lecture 3B Wetland...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 3B - Wetland Characteristics: Classification and Hydrology EVPP/BIOL 350 Freshwater Ecosystems Dr. Kim de Mutsert Fall 2011 http://www.flmnh.ufl.edu/FISH/southflorida/everglades/marshes/marshes.html
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Wetlands: Regulatory Definition Wetlands: Regulatory Definition Those areas that are inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions . Wetlands generally include swamps, marshes, bogs and similar areas. Army Corp of Engineers (ACOE) Wetland Delineation Manual Para 26a
Background image of page 2
Wetland Hydrologic Definition Wetland Hydrologic Definition Area that is Inundated or Saturated to the Surface Continuously at least 5% of the Growing Season in Most Years (12.5% in VA) Location: Can be next to another body of water or in the middle of nowhere Saturated to the surface: Don't have to SEE the water Hydrophytic Plants Hydric Soil Growing Season : Mid- March to Mid-November (in this region) 5% is 3 weeks 12.5 % is 2 months
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Distinguishing Wetland Features Distinguishing Wetland Features Distinguished by the presence of water, either at the surface or within the root zone 5-12.5% of growing season Unique soil conditions that differ from adjacent uplands Anaerobic or reducing conditions long enough to alter chemistry Vegetation adapted to the wet conditions (hydrophytes) Geomorphology including impermeability and lower elevation than surrounding terrain Climate where there is excess of precipitation over evaporation Mitch and Gosselink 2000
Background image of page 4
Wetland Diversity Wetland Diversity Wetlands vary widely due to : regional and local differences in soils, topography, climate, hydrology, water chemistry, vegetation, and human disturbance Wetlands are found from the tundra to the tropics and on every continent except Antarctica (EPA.gov)
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Types of Wetlands General Tidal vs. Nontidal Estuarine vs. Freshwater Surface water vs. Ground water Isolated vs. Connected/Transiti onal Seasonally vs.
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 33

Wetland Characteristics - Lecture 3B Wetland...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online