fen ecosystem - EAS
- Fens are a type of wetland. Wetlands are ecosystems where the water table is at or near the ground surface for most of the growing season on most years, and as a consequence, the substrate is poorly aerated, and inundation or saturation last long enough that the dominant plants are those that can exist in wet and reducing conditions.www.fs.fed.us/wildflowers/beauty/California_Fens/what.shtml
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- https://en.wikipedia.org/wiki/Fen
Hydrology, as seen in other wetlands, is a major determinant of fen biota and biogeochemistry. Fen soils are constantly inundated because the water table is at or near the surface. The result is anaerobic (oxygen-free) soils due to the slow rate at which oxygen diffuses into waterlogged soil. Anaerobic soils are ecologically unique because earth's atmosphere is oxygenated, while most terr…
Wikipedia · Text under CC-BY-SA license - https://www.maine.gov/dacf/mnap/features/eco_unpattfen.htm
Unpatterned Fen Ecosystem State Rank: S5 Fens are peatlands in which groundwater or water from adjacent uplands moves through the area. As a result, plants are exposed to more nutrients, and the vegetation is typically different and more diverse than that of bogs. Peat is moderately- to well-decomposed and of variable thickness.
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bing.com/images- https://www.maine.gov/dacf/mnap/features/eco_pattfen.htm
Patterned Fen Ecosystem State Rank: S3 Patterned fens are floristically similar to unpatterned fens, but are typically found on gentle slopes and feature low, parallel to anastomosing, peat ridges (strings) alternating with wet hollows or shallow pools (flarks).
- https://www.amsterdamecology.nl/floating-fen...
Future climatic scenarios point to a threat of salinization in protected Dutch floating fen ecosystems. This is mainly caused by an increased upward seepage of saline groundwater and an increased inflow of saline surface water. The term floating fen already reveals that the root mat of this ecosystem floats on top of that surface water.
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https://www.fen-systems.comFEN Sustain Systems GmbH Unterstützt Autonomie & Nachhaltigkeit p.A. Green Energy Center Europe, Technikerstrasse 1-3, 6020 Innsbruck Wir entwickeln und bearbeiten Strategien, Projekte und Produkte, welche die Autonomie und die …
- https://en.wikipedia.org/wiki/The_Dalles,_Oregon
History. The site of what is now the city of The Dalles was a major Native American trading center. The general area is one of the continent's most significant archaeological regions. Lewis and Clark camped near Mill Creek on October 25–27, 1805, and recorded the Indian name for the creek as Quenett.. Etymology. The name of the city comes from the French word dalle, …
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