Swamps on the Cusp of Change

Swamps on the Cusp of Change (HM2GW5)

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N 29° 44.48', W 91° 27.241'

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Climate Change Research Partnership with the U.S. Fish and Wildlife Service

Cypress-tupelo swamps along the Louisiana coast are subjected to a number of
environmental stressors, ranging from hurricane impact to saltwater intrusion.
Some of these impacts are created by the pressures of development, while
others are natural. Environmental change will have consequences for
cypress-tupelo swamps. Greater incidences of drought, storm surge, and
saltwater intrusion couple with the persistent effects of sea-level rise and coastal
land submergence to provide serious natural threats to these habitats. Land
submergence is especially evident in Bayou Teche National Wildlife Refuge.Research partnerships between the U.S. Geological Survey's National Wetlands
Research Center and the U.S. Fish and Wildlife Service are monitoring and
assessing climate change impacts on 16 cypress-tupelo swamps on four National
Wildlife Refuges and on state and private lands in Louisiana, Georgia, and South
Carolina. The research at Bayou Teche Refuge is marked in the background by
metal bands on trees, PVC structures, and wooden litterfall traps. These traps
collect falling leaves and allow researchers to examine how the amount of leaf
material produced from year to year may vary due to environmental stressors. In 2005, Hurricane Rita, which made landfall approximately 140 miles west of Bayou Teche NWR, deposited a 5.3



foot storm surge at this very location, as measured by a U.S. Geological Survey water gauge. While salinity at this location was not altered with surge, a pulse of salinity was detected in a cypress-tupelo swamp at Mandalay NWR, just 40 miles east-southeast of this location. Along with water and salt, surge often deposits large amounts of sediment in cypress-tupelo swamps.
Details
HM NumberHM2GW5
Tags
Placed ByU.S. Fish and Wildlife Service
Marker ConditionNo reports yet
Date Added Sunday, May 19th, 2019 at 8:01am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)15R E 649500 N 3291124
Decimal Degrees29.74133333, -91.45401667
Degrees and Decimal MinutesN 29° 44.48', W 91° 27.241'
Degrees, Minutes and Seconds29° 44' 28.8" N, 91° 27' 14.46" W
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