1. Model Specifics Maps of nearshore marine veg. Amt. stored in 4 carbon ‘pools’ Aboveground biomass Belowground biomass Sediments Dead organic matter Rate of carbon accumulation in sediments for each veg. type Market or social value of seq. carbon Annual rate of change and a discount rate Carbon storage (Mg C/ha) Carbon sequestration (Mg C/ha/yr) Economic value of carbon storage and sequestration Inputs Outputs Economic (optional) Biophysical Economic (optional)

2. InVEST Blue Carbon model Estimates: How much carbon is stored in coastal vegetation and sediments Carbon accumulation in the sediments Economic value of storage and sequestration

3. Blue Carbon Lit Review

4. Blue Carbon Model Process Freeport, TX : Land Use/ Land Cover ‘Marsh’ (store carbon) No CarbonIgnore Transitional Salt Marsh Irregularly flooded marsh Regularly Flooded Marsh Vegetated Tidal Flat Developed Dry Land Undeveloped Dry Land Estuarine Water Tidal Creek Open Ocean Tidal Flat Cypress Swamp Inland Fresh Marsh Tidal Fresh Marsh Mangrove Estuarine Beach Ocean Beach Ocean Flat Rocky Intertidal Inland Open Water Riverine Tidal Open Water Inland Shore Tidal Swamp Backshore Nontidal Swamp Transitional Salt Marsh Irregularly flooded marsh Regularly Flooded Marsh Vegetated Tidal Flat Developed Dry Land Undeveloped Dry Land Estuarine Water Tidal Creek Open Ocean Tidal Flat

5. FREEPORT, TEXAS

6. 2006 2025 2050 2075 2100 No Management High Green SCENARIOS : SLAMM Outputs InVEST Blue Carbon Inputs

7. Transitions to… (t2) Starts as… (t1) Transitional Salt Marsh Irregularly flooded marsh Regularly Flooded Marsh Vegetated Tidal Flat Developed Dry Land Undeveloped Dry Land Estuarine Water Tidal Creek Open Ocean Tidal Flat Transitional Salt Marsh 777725 50 25 Irregularly flooded marsh 777725 50 25 Regularly Flooded Marsh 777725 50 25 Vegetated Tidal Flat 777725 50 25 Developed Dry Land 3.57 No change Undeveloped Dry Land 3.57 No change Estuarine Water 3.57 No change Tidal Creek 3.57 No change Open Ocean 3.57 No change Tidal Flat 3.57 No change Transitional Matrix % accumulation% loss % accumulation no change (0%) (% change over 25-year period)

8. NO MANAGEMENT (2006 – 2100) EmissionsSequestration HIGH GREEN (2006 – 2100) EmissionsSequestration No ManagementHigh Green 2006-20254,031,1804,172,370 2025-2050-1,170,580684,276 2050-2075-7,403,690-5,525,100 2075-2100-7,609,020-8,663,600 100-Year Total:-12,152,100-9,332,050

9. Identification and Valuation of Adaptation Options in Coastal-Marine Ecosystems: Test case from Placencia, Belize

10. Carbon Sequestration

12. Seagrasses Carbon Stock Seagrasses Accumulation of Carbon in Sediments Mangrove and Littoral Forests Carbon Stock Mangrove and Littoral Forests Accumulation of Carbon in Sediments