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10 Cards in this Set
- Front
- Back
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Hydric soil indicators
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redox depletions, redoximorphic features:
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oxidised roots zone
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reddish oxidized iron along root channels in otherwise grey matrix from aerenchyma-fed roots
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gleyed soil
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hydric wetland soil. greenish blue color which oxidises red when exposed to air. sticky and hard to work
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redoximorphic features
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A usually mottled pattern of Contrasting colors of redox depletions or reduced iron and zones of reddish oxidised iron
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hydrophytes
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Plants adapted to survive in saturated, anaerobic soils.
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3 technical requirements to call an area a wetland
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A wetland hydrology
hydric soils hydrophytic plants |
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value of wetlands
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1. species habitat
2. water filtration 3. shoreline protection 4. Flooding reduction 5. Commercial and recreational activities... 6.Natural products... |
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types of wetlands
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inland - swamps, bogs,
Riparian or ephemeral - riverbank organic - histosols Salt affected, coastal permafrost affected - histels |
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"dry end"
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the boundary beyond which exist nonwetland, upland systems in which the plant-soil
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hydroperiod
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temporal pattern of water table changes
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