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Research and Monitoring Related to Sea Level Rise at the Grand Bay NERR Will Underwood Stewardship Coordinator.

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Presentation on theme: "Research and Monitoring Related to Sea Level Rise at the Grand Bay NERR Will Underwood Stewardship Coordinator."— Presentation transcript:

1 Research and Monitoring Related to Sea Level Rise at the Grand Bay NERR Will Underwood Stewardship Coordinator

2

3 Practice and Promote the stewardship of coasts and estuaries through innovative research, education, and training using a placed based system of protected areas. Water Quality Habitat Protection Climate Change

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5 NERRS System Wide Monitoring Program Graduate Research Fellowship (GRF) Program Grand Bay NERR site profile (ecological characterization) Coordinate research with DMR, universities, NOAA, and NERRS Applied research to local & regional issues

6 The YSI 6600 EDS Datasonde

7 MS Phosphates Spill (April 2005) TS Lee (Sep 2011)

8 Long Term Monitoring Erosion Habitat Mapping/Change SAV Invasive Species Marsh Elevations

9 What is SLAMM? Sea Level Rise Affecting Marshes Model SLAMM simulates the dominant processes involved in wetland conversions and shoreline modifications during long-term sea level rise. A complex decision tree incorporating geometric and qualitative relationships is used to represent transfers among coastal classes.

10 Irregularly-flooded marsh viability: 2009 to 2025

11 Irregularly-flooded marsh viability: 2009 to 2050

12 Irregularly-flooded marsh viability: 2009 to 2075

13 Irregularly-flooded marsh viability: 2009 to 2100

14 Effects of fire on water quality, plant production, and accretion in a Juncus roemerianus marsh Primary Research Question: What are the effects of prescribed burning on a salt marsh ecosystem? How does fire affect: Primary productivity Accretion processes

15 Transect[Treatment] : NS Treatment: NS Location: F (2,63) = 5.59, P=<.0001 Treatment*Location: NS Means (mm ± 1 SE) Control Plots: Low =15.17 ± 2.9 Mid =7.81 ± 1.11 High =5.41 ±2.00 Burn Plots: Low =13.42 ± 0.94 Mid =7.38 ± 2.58 High =4.26 ± 1.06

16 Burn Plots: Low =686.52 ± 50.04 Mid =363.3 ± 94.75 High =356.18 ± 187.5 Transect[Treatment] : NS Treatment: : F (1,8) = 1.86, P= 0.005 Location: F (2,8) = 1.24, P= 0.04 Treatment*Location: NS Means Control Plots: Low =911.09 ±175.38 Mid =838.37 ±159.58 High = 673.3 ± 237.8

17 GRAND BAY FIRE EFFECTS STUDY: Results VariableLow MarshMid MarshHigh Marsh pH6.22±0.026.21±0.086.46±0.06 Salinity (ppt)24.58±0.9822.80±1.2920.10±0.99 Vertical accretion (mm)15.4±2.55.2±1.82.4±0.4 Juncus Density (no/m2)706.7±75.2701.7±89.6511.7±55.4 Juncus Biomass (g/m2) 988.6±122. 5 718.2±83.0557.18±55.4 Juncus community proportion 98.7%100%97.5% Table 1: Edaphic and biological variables at low, mid, and high marsh plots following Hurricanes Gustav and Ike in 2008 (n=6 for each). Data are means ± 1SE.

18 ECOLOGY OF TIDAL MARSH BIRDS ALONG THE MS/AL COAST Drs. Mark Woodrey, Bob Cooper, Scott Rush

19 Clapper Rail Response www.flood.firetree.net Current 1 m sea-level rise

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