Investigation into the current hydrology, topography, soil physiology and vegetative re-establishment in mangrove die-off areas provided insight into cause and effect relationships between development occurring adjacent to or near mangrove forests and mangrove die-offs.
The results of this study indicated that surface water levels and hydroperiod were significantly higher and elevation was lower in mangrove die-off areas than in adjacent reference mangrove stands and extended periods of flooding within die-offs ultimately resulted in die-off expansion.
Soil nutrient limitation and hypersalinity were not implicated as causes of die-offs adjacent to development that received to freshwater inflows, although soils had a tendency to be more reduced in the die-off areas than adjacent reference mangroves.
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