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FFI B+WISER Historical Mangrove Change Analysis LG V3.Docx Baseline Assessment: Historical Mangrove Forest Cover Change Analysis in DENR/B+WISER Program Sites Philippines Biodiversity and Watersheds Improved for Stronger Economy and Ecosystem Resilience (B+WISER) 28 January 2015 FOURTH QUARTER PROGRESS REPORT FY July - September 2014 Philippines Biodiversity and Watersheds Improved for Stronger Economy and Ecosystem Resilience (B+WISER) 30 October 2014 Draft - This publication was produced for review by the United States Agency for International Development. It was prepared by Chemonics International Inc. The Biodiversity and Watersheds Improved for Stronger Economy and Ecosystem Resilience Program is funded by the USAID, Contract No. AID-492-C-13-00002 and implemented by Chemonics International in association with: Fauna and Flora International (FFI) Haribon Foundation World Agroforestry Center (ICRAF) The author’s views expressed in this publication do not necessarily reflect the views of the United States Agency for International Development or the United States Government. Baseline Assessment: Historical Mangrove Forest Cover Change Analysis in DENR/B+WISER Program Sites Philippines Biodiversity and Watersheds Improved for Stronger Economy and Ecosystem Resilience (B+WISER) Program Implemented with: Department of Environment and Natural Resources Other National Government Agencies Local Government Units and Agencies Supported by: United States Agency for International Development Contract No.: AID-492-C-13-00002 Managed by: Chemonics International Inc. in partnership with Fauna & Flora International (FFI) Haribon Foundation World Agroforestry Center (ICRAF) 28 January 2015 TABLE OF CONTENTS Table of Contents ............................................................................................................. i List of tables .................................................................................................................... ii List of Figures................................................................................................................. iv Acronyms ........................................................................................................................ v Executive Summary ...................................................................................................... vii 1. Introduction ................................................................................................................ 1 2. Methods ..................................................................................................................... 3 A. Data Sources ........................................................................................... 3 B. Spatial Analysis ........................................................................................ 4 C. Scope and Limitations .............................................................................. 4 3. Results and Discussion .............................................................................................. 5 A. Summary of Historical Mangrove Cover Change in B+WISER Mangrove Sites Using the 2000 and 2010 Long et al. Mangrove Cover Dataset .............................................................................................................. 5 A.1 Polillo Group of Islands ................................................................................ 8 A.2 Ragay Gulf – Pagbilao, Quezon – San Miguel Bay ................................... 11 A.3 Verde Island Passage ................................................................................ 15 A.4 Eastern Catanduanes ................................................................................ 19 A.5 Iloilo Strait (Iloilo and Guimaras) ................................................................ 23 A.6 Siargao Island .............................................................................................. 27 A.7 Basilan........................................................................................................ 31 A.8 Tawi-tawi .................................................................................................... 35 A.9 Leyte – Samar – Eastern Samar ................................................................ 39 B. Summary of Historical Mangrove Cover Change in B+WISER Mangrove Sites Using the 2003 and 2010 NAMRIA Mangrove Cover Dataset ............................................................................................................ 43 B.1 Polillo Group of Islands .............................................................................. 45 B.2 Ragay Gulf – Pagbilao, Quezon – San Miguel Bay ................................... 48 B.3 Verde Island Passage ................................................................................ 52 B.4 Catanduanes .............................................................................................. 55 B.5 Iloilo Strait .................................................................................................. 57 B.6 Siargao Island .............................................................................................. 60 B.7 Basilan........................................................................................................ 63 B.8 Tawi-Tawi ................................................................................................... 66 B.9 Leyte – Samar – Eastern Samar ................................................................ 69 HISTORICAL MANGROVE FOREST COVER CHANGE ANALYSIS IN DENR/B+WISER PROGRAM SITES | i Summary and Conclusions............................................................................................ 73 References .................................................................................................................... 75 Annex A. B+WISER Directory ................................................................................ 76 LIST OF TABLES Table 1. Mangrove cover change statistics showing loss, gain and no change from 2000 to 2010 across the provinces where the B+WISER sites are located. .............. 6 Table 2. Summary of mangrove cover change from 2000 to 2010 across the provinces where B+WISER mangrove sites are located. ........................................................... 7 Table 3. Mangrove cover change statistics from 2000 to 2010 of Polillo Group of Islands, and the respective target municipalities. ....................................................... 8 Table 4. Net mangrove cover and annual rate of net change of Polillo Group of Islands, and the respective target municipalities. .................................................................... 9 Table 5. Mangrove cover change statistics from 2000 to 2010 of Ragay Gulf, Pagbilao in Quezon & San Miguel Bay, and the respective target municipalities. .................. 12 Table 6. Net mangrove cover and annual rate of net change of Ragay Gulf, Pagbilao in Quezon & San Miguel Bay, and the respective target municipalities. ...................... 13 Table 7. Mangrove cover change statistics from 2000 to 2010 of the Verde Island Passage, and the respective target municipalities. .................................................. 16 Table 8. Net mangrove cover and annual rate of net change of Verde Island Passage, and the respective target municipalities. .................................................................. 17 Table 9. Mangrove cover change statistics from 2000 to 2010 of Eastern Catanduanes, and the respective target municipalities. ........................................... 20 Table 10. Net mangrove cover and annual rate of net change of Eastern Catanduanes, and the respective target municipalities. .................................................................. 21 Table 12. Net mangrove cover and annual rate of net change of Iloilo Strait, and the respective target municipalities. ............................................................................... 25 Table 13. Mangrove cover change statistics from 2000 to 2010 of Siargao Island (Surigao del Norte), and the respective target municipalities. .................................. 28 Table 14. Net mangrove cover and annual rate of net change of Siargao Island (Surigao del Norte), and the respective target municipalities. ................................................ 29 Table 15. Mangrove cover change statistics from 2000 to 2010 of Basilan, and the respective target municipalities. ............................................................................... 32 Table 16. Net mangrove cover and annual rate of net change of Basilan, and the respective target municipalities. ............................................................................... 33 Table 17. Mangrove cover change statistics from 2000 to 2010 of Tawi-tawi, and the respective target municipalities. ............................................................................... 36 Table 18. Net mangrove cover and annual rate of net change of Tawi-tawi, and the respective target municipalities. ............................................................................... 37 Table 19. Mangrove cover change statistics from 2000 to 2010 of selected municipalities in Leyte, Samar and Eastern Samar, and the respective target municipalities ............................................................................................................ 40 Table 20. Net mangrove cover and annual rate of net change of of Leyte, Samar and Eastern Samar, and the respective target municipalities. .......................................
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