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Wetlands Page 1-2
Wetlands page 1-2 Vocabulary
13
Science
6th Grade
05/04/2009

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Term
bog
Definition
a freshwater wetland that is poorly drained and characterized by buildup of peat
Term
brackish
Definition
a mix of fresh and saltwater
Term
fen
Definition

  •  a type of wetland that collects peat deposits
  •  is less acidic than a bog
  •  most of its water comes from groundwater that is rich in calcium and magnesium

 

Term
hydric soil
Definition

  • soil that is flooded during enough of the growing season to develop anaerobic conditions (WITHOUT oxygen)
  • this type of soil favors the growth of vegetation specialized for living in or near water  

Term
hydrophyte
Definition
specially adapted plant that grows in areas having alternating wet and dry conditions
Term
marsh
Definition

·      a wetland that contains grasses and low-lying plants

·      does not collect a lot of  peat deposits and is dominated by certain plants

·      may be freshwater or saltwater

·     may be tidal or non-tidal 

Term
saturated
Definition
when a solution contains as much dissolved material as it can hold at a given temperature and pressure 
Term
peat
Definition
partly decomposed vegetation
Term
microbe
Definition
a minute living organism, usually one-celled, that includes bacteria, protozoa, and fungi. Soil microbes decompose dead plant and animal biomass.
Term
coastal mangrove
Definition
a species of aquatic tropical tree that forms large colonies in swamps or shallow water
Term
soil
Definition
the loose finely divided surface material of the earth in which plants have their roots
Term
ecologist
Definition
a person who studies ecosystems and the interactions of the organisms living in them
Term
aquifier
Definition
a naturally occurring underground geologic formation (rock) that stores water
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