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Hydrologic And Chemical Control Of Phragmites Growth In Tidal Marshes Of Sw Connecticut, Usa, Randolph Chambers
Hydrologic And Chemical Control Of Phragmites Growth In Tidal Marshes Of Sw Connecticut, Usa, Randolph Chambers
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We compared hydrology and porewater chemistry along transects in 3 tidal marshes vegetated by Spartina alterniflora and by the invasive species Phragmites australis. Relative to the Phragmites zone, the S. alterniflora zone occurred at lower tidal elevations in all 3 marshes and was characterized by greater depth of flooding and shorter periods of water-table drawdown below the soil surface. Penetration by Phragmites into the S. alterniflora zone appeared to be limited by extensive soil saturation at the leading edge of Phragmites growth. This mixed-species zone occurred at the intersection of the low-tide groundwater table with the soil surface and …