Seasonality of Commercially Important Pelagic Fishes in the Philippines
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International Workshop on Climate and Oceanic Fisheries, October 3-5 2011, Cook Islands SeasonalitySeasonality ofof commerciallycommercially importantimportant pelagicpelagic fishesfishes inin thethe Philippines:Philippines: overfishingoverfishing oror climateclimate change?change? Mudjekeewis D. Santos, Ph.D. Scientist I and OIC, Marine Fisheries Research Division National Fisheries Research and Development Institute Metro Manila, Philippines Outline • Philippines and the issue of climate change • Philippine fisheries and marine ecosystem profiles • Data source: National Stock Assessment Program • Pelagic species composition and seasonality • Summary and conclusion Climate change policy in the Philippines Philippine Republic Act 9729: • Climate Change Commission “Climate Change Act of 2009” National Framework Strategy CLIMATE CHANGE on Climate Change • Increasing temperature • Changing rainfall pattern • Sea level rise • Extreme climate events VISION IMPACTS AND CLIMATE PROCESS DRIVERS A climate resilient Philippines with healthy, VULNERABILITY • Energy safe, prosperous and self‐reliant • Ecosystems (River basin, coastal • and marine, biodiversity) Framework and strategies in • Transport • Land Use Change & Forestry communities, and thriving and productive • Food security • • Agriculture ecosystems Water resources • Human health • Waste • Infrastructure SUSTAINABLE • Energy DEVELOPMENT • Human society Goal: To build the adaptive SOCIETY ENVIRONMENT place capacity of communities and increase the resilience of natural ecosystems to climate change and optimize mitigation opportunities towards ECONOMY sustainable development MITIGATION ADAPTATION • Energy efficiency and conservation • Enhance Vulnerability and Adaptation Assessment • Sustainable infrastructure • Integrated Ecosystem –based Management • Renewable energy • Climate Responsive Agriculture • Adaptation is priority • Environmentally sustainable transport • Water Governance and Management • National REDD+ Strategy • Climate Responsive Health Sector • Waste Management • Disaster Risk Reduction and Management Capacity Knowledge IEC Gender Research and Development Multi‐stakeholders Policy, Planning and Financing Valuation Development Management Advocacy Mainstreaming Technology Transfer Partnership Mainstreaming CROSS‐CUTTING STRATEGIES MEANS OF IMPLEMENTATION COCO2 perEmissionsEmissions Capita2 (tons)(tons)per Capita 1 Philippine Fisheries and Climate Change • Consistently one of the top 10 countries predicted to be adversely affected by CC • About 70% lives in coastal areas • About 70% of protein requirement comes from fish • Low levels of socio-economic capacities in many of these coastal communities Some Philippine Climate Change-Related Data Sea surface level, 1950 - 1990 Yanagi and Akaki 1994 David, 2010 Philippine Fisheries Profile 66th amongamong thethe toptop fishfish producingproducing Fish Production, 1980‐2009 countriescountries inin thethe worldworld 6,000,000 Aquaculture 5,000,000 3.12% of the total world 4,000,000 ton catch/harvest of fish, 3,000,000 metric crustaceans, mollusks, and 2,000,000 in aquatic plants 1,000,000 - 99th inin thethe worldworld inin termsterms ofof Year aquacultureaquaculture productionproduction 1.4% of total global aquaculture production of fish, crustaceans and mollusks 33rd largestlargest producerproducer ofof seaweedsseaweeds 10.6% of the total world seaweeds production Fisheries is critical to the country Philippines epicenter of marine biodiversity in the world 1736-1693 (top 2.5%) 1692-1650 (5-2.5%) 1649-1606 (7.5-5%) 1563-1605 (10-7.5%) Carpenter & Springer, 2004 Allen, 2007 (2,983 maps, seaweeds to mammals) (4,000 Indo‐Pacific reef fishes) Also hottest of the hotspots for conservation ! Philippines has many biogeographic regions Vietnam Philippines Malaysia Indonesia Carpenter et al., 2010 (CT‐PIRE Project) using connectivity of different marine organisms Philippines has many biogeographic regions ? Santos MD, 2011 (NFRDI) Interpreting Sardinella Stock Structure in the Philippines using genetic data Sardinella lemuru Sardinella gibbosa One stock Different stocks, species Thomas R., Wilette D., and Santos MD. 2011 National Stock Assessment Program (NSAP) (since 1996) • To create a standardized, specific and time‐series information on marine capture fisheries around the country for management purposes • To develop and institutionalize the capability of the 16 regional offices in fishery stock assessment • Included in Philippine GAA National Stock Assessment Program (NSAP) (Landed Catch and Effort Monitoring by FAO) Orientation and • Catch estimates Training • Gear inventories • Catch per unit effort (CPUE) Implementation • Species composition and seasonality • Length frequencies, Population parameters Reporting • Maximum Sustainable Yield (MSY), Potential Yield (PY), Exploitation Ratios etc. National Stock Assessment Program (NSAP) (Database) Things to remember • Multi‐species, multi‐gear fishery • Different biogeographic regions and stocks • Very limited specific historical data on fisheries • Limited historical meteorological data • Major ENSO events in 1997‐1998 and 2009‐2010 OceanicOceanic TunasTunas (Family(Family Scombridae)Scombridae) Percentage (%) Catch in Philippine Waters = 213,442 MT BIGEYE Region 2 5% 2 Region 1 YELLOWFIN 33% SKIPJACK 62% Region 3 NCR Region 4A Region 5 Region 8 2 Region 6 Region 4B Region 7 Region 10 CARAGA 1 Region 9 Region 11 ARMM Region 12 Source: WCPFC Yearbook 2009; 2010 data preliminary -WCPFC-SC7-2011/ST IP-1 SardinesSardines (Family(Family Clupeidae)Clupeidae) Sardine Production in NSAP monitored fishing grounds, 2004‐2007, kg. = 11,225.74 Batanes Waters Region Fishing Ground SARDINES % MT 6 & 7 Visayan Sea 32,489,089.25 41.98 Region 2 Cagayan 10 Macajalar Bay 18,042,796.84 23.31 Waters 10 Iligan Bay 10,671,547.69 13.79 Region 1 4A Tayabas Bay 9,945,682.79 12.85 2 Cagayan Waters 1,906,065.19 2.46 Region 3 Zambales NCR 10 Camiguin Waters 1,550,314.06 2.00 Coast Region 4A 5 Sorsogon Bay 778,346.35 1.01 Tayabas Bay Lagonoy1 Region 5 Gulf 11 Davao Gulf 759,147.10 0.98 Sorsogon Bay 4B Honda Bay 568,378.51 0.73 Visayan ARMM Illana Bay 171,073.77 0.22 Sea Region 8 Cuyo East Region 6 Pass Leyte Gulf 3 7 Camotes Sea 151,223.73 0.20 Camotes Region 4B Sea Region 7 CARAGA Hinatuan Passage 133,000.39 0.17 Honda Bay Hinatuan Passage Iligan Bay 8 Leyte Gulf 77,739.71 0.10 2 MacajarRegion 10 Camiguin Bay 5 Lagonoy Gulf 38,610.01 0.05 Waters CARAGA Region 9 Region 11 6 Cuyo East Pass (Antique) 27,440.00 0.04 Illana Bay Sulu Sea Davao 3 Zambales Coast 3,529.50 0.00 Moro Gulf Gulf ARMM 12 Moro Gulf 811.91 0.00 * Fishing Ground in green color, Region 12 with less than 1% share ARMM Sulu Sea 86,132.59 0.11 Distribution of Sardines (Sardinella & Amblygaster spp.) in NSAP monitored fishing Total 77,400,929.39 100.00 grounds of the Philippines, 2004-2007 RoundscadsRoundscads (Family(Family Carangidae)Carangidae) Roundscad Production in NSAP monitored fishing grounds, 2004‐2007, kg. 3 = 11,225.74 Batanes Waters Region Fishing Ground Kg % MT 10 Iligan Bay 37,003,473.41 33.61 Region 2 Cagayan 10 Macajalar Bay 25,176,719.11 22.87 Waters 2 Batanes Waters 15,789,039.93 14.34 Region 1 11 Davao Gulf 9,031,787.27 8.20 3 Zambales Coast 7,368,798.43 6.69 Region 3 Zambales NCR 2 Cagayan Waters 4,359,452.16 3.96 Coast Region 4A Tayabas 6 & 7 Visayan Sea 3,995,017.85 3.63 Bay Lagonoy 7 Camotes Sea 2,860,672.41 2.60 Region 5 Gulf 4A Tayabas Bay 1,976,354.38 1.80 1 Visayan 12 Moro Gulf 763,003.50 0.69 Sea Region 8 Cuyo East Region 6 Pass Leyte Gulf 10 Camiguin Waters 749,384.30 0.68 Camotes Region 4B Sea Region 7 5 Lagonoy Gulf 236,824.17 0.22 Honda Bay Hinatuan 2 Passage Iligan Bay MacajarRegion 10 6 Cuyo East Pass (Antique) 212,142.75 0.19 Camiguin Bay Waters CARAGA CARAGA Hinatuan Passage 184,678.38 0.17 Region 9 Region 11 4B Honda Bay 110,129.86 0.10 Illana Bay Sulu Sea Davao Moro Gulf Gulf 8 Leyte Gulf 74,998.45 0.07 ARMM 12 & ARMM Illana Bay 33,025.02 0.03 * Fishing Ground in green color, Region 12 with less than 1% share ARMM Sulu Sea 156,632.60 0.14 Distribution of Roundscads (Decapterus spp.) in NSAP monitored fishing grounds of Total 110,082,133.99 100.00 the Philippines, 2004-2007 MackerelsMackerels (Family(Family Scombridae)Scombridae) Mackerel Production in NSAP monitored fishing grounds, 2004‐2007, kg. = 11,225.74 Region Fishing Ground Kg % MT 6 & 7 Visayan Sea 11,225,737.94 59.52 Region 2 4A Tayabas Bay 2,504,416.86 13.28 Cagayan Waters 11 Davao Gulf 1,738,039.94 9.21 Region 1 2 Cagayan Waters 1,220,974.40 6.47 10 Iligan Bay 592,432.28 3.14 Region 3 Zambales NCR 5 Lagonoy Gulf 235,921.64 1.25 Coast Region 2 4A CARAGA Hinatuan Passage 231,592.74 1.23 Tayabas Bay Lagonoy 4B Honda Bay 227,619.57 1.21 Region 5 Gulf Sorsogon Bay 1 10 Macajalar Bay 196,252.05 1.04 Visayan 7 Camotes Sea 159,765.52 0.85 Sea Region 8 Cuyo East Region 6 Pass Leyte Gulf 10 Camiguin Waters 128,992.82 0.68 Camotes Region 4B Sea Region 7 8 Leyte Gulf 127,986.66 0.68 Honda Bay Hinatuan Passage Iligan Bay 3 Zambales Coast 55,902.14 0.30 MacajarRegion 10 Camiguin Bay Waters CARAGA 12 Moro Gulf 39,370.96 0.21 3 Region 9 Region 11 ARMM Illana Bay 3,953.33 0.02 Illana Bay Sulu Sea Davao 5 Sorsogon Bay 2,929.61 0.02 Moro Gulf Gulf ARMM 6 Cuyo East Pass (Antique) 2,771.00 0.01 * Fishing Ground in green color, Region 12 with less than 1% share ARMM Sulu Sea 166,912.18 0.88 Distribution of Mackerels (Rastrelliger spp.) in NSAP monitored fishing grounds of Total 18,861,571.62 100.00 the Philippines, 2004-2007 AnchoviesAnchovies (Family(Family