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Caribbean Marine Biodiversity Program (CMBP) Caribbean Marine Biodiversity Program (CMBP) Assessment of Mangroves in Bajo Yuna National Park, Dominican Republic Prepared by: Landy Cyprien Technical Report Submitted November 3, 2017 This report is made possible by the generous support of the American people through the United States Agency for International Development (USAID). The contents are the responsibility of The Nature Conservancy and its partners (CEBSE, FOPROBIM, CCAM, and SusGren) and do not necessarily reflect the views of USAID or the United States Government. Contents Executive Summary .......................................................................................................................... 5 Background ....................................................................................................................................... 7 Materials and Methods .................................................................................................................... 9 Results ............................................................................................................................................ 12 Habitat Description ..................................................................................................................... 13 Mangrove Inventory ................................................................................................................... 13 Sector I: Bajo Yuna ................................................................................................................... 14 Sector II: Los Corozos ............................................................................................................... 30 Mapping the Mangroves ............................................................................................................. 34 Species Identification .................................................................................................................. 37 Water Quality Assessment .......................................................................................................... 40 Discussion and Recommendations ................................................................................................ 40 Conclusion ...................................................................................................................................... 42 Literature Cited .............................................................................................................................. 43 Annexes .......................................................................................................................................... 45 2 List of Tables Table 1: Description of disturbance factors identified in Samaná Bay .......................................... 11 Table 2: Average size of mangroves sampled in Bajo Yuna and Los Corozos, Samana Bay, Dominican Republic ........................................................................................................................ 13 Table 3: Data on mangroves in plot #1, sector I, Bajo Yuna .......................................................... 15 Table 4: Data on mangroves in plot #2, sector I ............................................................................ 15 Table 5: Data on mangroves in plot #3, sector I ............................................................................ 16 Table 6: Data on mangroves in plot #4, sector I ............................................................................ 17 Table 7: Data on mangroves in plot #5, sector I ............................................................................ 17 Table 8: Data on mangroves in plot #6, sector I ............................................................................ 18 Table 9: Data on mangroves in plot #7, sector I ............................................................................ 18 Table 10: Data on mangroves in plot #8, sector I .......................................................................... 19 Table 11: Data on mangroves in plot #9, sector I .......................................................................... 20 Table 12: Data on mangroves in plot #10, sector I ........................................................................ 20 Table 13: Data on mangroves in plot #11, sector I ........................................................................ 21 Table 14: Data on mangroves in plot #12, sector I ........................................................................ 21 Table 15: Data on mangroves in plot #13, sector I ........................................................................ 22 Table 16: Data on mangroves in plot #14, sector I ........................................................................ 23 Table 17: Data on mangroves in plot #15, sector I ........................................................................ 23 Table 18: Data on mangroves in plot #16, sector I ........................................................................ 24 Table 19: Data on mangroves in plot #17, sector I ........................................................................ 24 Table 20: Data on mangroves in plot #22, sector I ........................................................................ 25 Table 21: Data on mangroves in plot #23, sector I ........................................................................ 26 Table 22: Data on mangroves in plot #24, sector I ........................................................................ 26 Table 23: Data on mangroves in plot #25, sector I ........................................................................ 27 Table 24: Data on mangroves in plot #26, sector I ........................................................................ 27 Table 25: Data on mangroves in plot #27, sector I ........................................................................ 28 Table 26: Data on mangroves in plot #28, sector I ........................................................................ 29 Table 27: Data on mangroves in plot #29, sector I ........................................................................ 29 Table 28: Data on mangroves in plot #30, sector I ........................................................................ 30 Table 29: Data on mangroves in plot #18, sector II, Los Corozos .................................................. 31 Table 30: Data on mangroves in plot #19, sector II ....................................................................... 32 Table 31: Data on mangroves in plot #20, sector II ....................................................................... 33 Table 32: Data on mangroves in plot #21, sector II ....................................................................... 33 Table 33: Common and scientific names of notable plants at Samaná Bay .................................. 37 Table 34: List of birds and their conservation status (IUCN) ......................................................... 38 Table 35: Common and scientific names of crustaceans and mollusks identified ........................ 39 3 List of figures Figure 1: Distribution of sampling sites in Bajo Yuna National Park and Los Corozos, Samaná Bay .......................................................................................................................................................... 9 Figure 2: Satellite image of sector I (Bajo Yuna National Park), Samaná Bay, showing the distribution of survey sites ............................................................................................................. 14 Figure 3: Satellite image of Los Corozos ……………………………………………………………………………………31 Figure 4: Density of the four mangrove species ............................................................................ 34 Figure 5: Diameter at breast height (DBH) of the four mangrove species .................................... 35 Figure 6: Height of the four mangrove species. ............................................................................. 37 List of Annexes Annex 1: Crab in Samaná Bay (Uca sp.).......................................................................................... 45 Annex 2: Crab in Samaná Bay (Aratus pisonii) ............................................................................... 45 Annex 3: Birds around Rio Barracote ............................................................................................. 46 Annex 4: Birds: Fregata magnificens .............................................................................................. 46 Annex 5: Mangrove plantlets around Rio Barracote ..................................................................... 47 Annex 6: Fishers in Samaná Bay around Rio Yuna ......................................................................... 47 Annex 7: Solid waste (bottles and other trash) under some red mangrove trees ........................ 48 Annex 8: Solid waste on the beach in front of the mangrove area in Bayo Yuna ......................... 48 Annex 9: Rhabdadenia biflora ........................................................................................................ 49 Annex 10: Mangrove oyster ........................................................................................................... 49 Annex 11: Charcoal production around the mangroves in Los Corozos ........................................ 50 Annex 12: View from the mangrove area in Los Corozos .............................................................. 50 Annex
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