THE FISHERIES RESOURCE STATUS OF VISAYAN SEA

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1 THE FISHERIES RESOURCE STATUS OF VISAYAN SEA Sheryll V. Mesa NATIONAL STOCK ASSRSSMENT PROGRAM Bureau of Fisheries and Aquatic Resources Regional Field Office 6 Iloilo City Stakeholders Meeting. Iloilo Grand Hotel, Iloilo City. 05March 2014

2 Visayan Sea Philippine shelf: 184,000 km 2 Visayan Sea area: about 10,000 km 2 (5% of the Philippines shelf) (Warfel & Manacop, 1950) Visayan Sea Fish production: 230,000 mt (BFAR Fisheries Data, 2000) 14% of the total marine harvest

3 LOCATION: 11 o to 12 o N 123 o to 124 o E REGION 5 DEPTH: 20-40m -SW m - NE REGION 6 REGION 7 Boundaries by region

4 BFAR S STOCK ASSESSMENT INITIATIVES

5 TRAWL SURVEYS CONDUCTED FOR VISAYAN SEA September 1948 (Warfel and Manacop) (Aprieto et al.) July 2003 (GTZ and DA-BFAR) March 2007 (DA-BFAR and guests) April 2013 (DA-BFAR) Swept-area Method

6

7 Trawl Survey Biomass Estimates in the Visayan Sea

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9 BFAR S STOCK ASSESSMENT INITIATIVES in support to FAO 167 Implementation

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11 Graph showing the monthly frequency distribution and GSI of gonadal stages of female S. gibbosa from Western Visayan Sea

12 SARDINES SPAWNING AREA Juvenile Spawner Map showing the aggregation of juvenile and spawner stages of sardines observed in Western Visayan Sea

13 Catch (MT) CS 1-Nov to Mar 2012 CS 2-Nov to Mar 2013 (Intensive IEC & MCS) Nov Dec Jan Feb Mar Apr May June GRAPH SHOWING LANDED CATCH (MT) OF SARDINES OBSERVED ON TWO SUCCEEDING CLOSED SEASON (CS) - CY AND CY Region 6 -NSAP

14 BFAR S STOCK ASSESSMENT INITIATIVES

15 Roxas City N Carles Estancia Balud Milagros VISAYAN SEA Placer Map of Visayan Sea showing the 18 monitoring centers for Year Daanbantayan Concepcion Ajuy Medellin San Remegio Cadiz Iloilo City Danao Mandaue

16 Catch (MT) Catch (MT) 35,000 30,000 Commercial Annual Catches (MT) 25,000 20,000 15,000 10,000 5, ,800 1,600 1,400 1,200 1, CFVL/CFVG Moratorium Period Municipal Annual Catches (MT) Year

17 CPUE (kg/d) CPUE (kg/d) 1,800 1,600 1,400 1,200 1, CFVL/ CFVG Moratorium Period Commercial Municipal Year

18 L50(cm) YEAR R. kanagurta

19 L50 (cm) S. lemuru YEAR

20 Yield ('000 MT) Potential Yield Schaefer Fox Data ,000 40,000 60,000 80, ,000 Effort (# of Fishing boats) Indicator Schaefer Fox MSY ( 000 MT) f MSY (# of Fb Units) , , % Effort Reduction based on the CY 2007 Data

21 TOTAL INVENTORY OF FISHING VESSEL 2005 Fishing Gears 2005 Beach seine 40 Bottomset gillnet 195 Crab liftnet 5 Drift gillnet 787 Danish seine 362 Fish coral 133 Hand line 1,895 Squid jigger 78 Multiple hand line 209 Otter trawl 451 Bottomset LL 174 Bag net 7 Fish pot 20 Spear gun 17 Encircling gillnet 60 Push net 7 Fish trap 43 Ring net 126 Stationary liftnet 140 Squid trawl 30 Skimming net 1 Crab net 444 Fish liftnet 1 Troll line 13 Drive-in-net 3 Round haul seine 7 Scoop net 2 Crab pot 466 Trammel net 7 Filter net 31 Skimming net 1 Barrier net 18 Crab trap 62 Encircling filternet 7 Fish net 11 Gillnet 781 Purse seine 147 Filter net 5 Stationary liftnet 2 GRAND TOTAL 6,788

22 TOTAL INVENTORY OF FISHING VESSEL 2011 Barrier net 31 BD 69 Bag net 59 Motorized Push net 2 Beach seine 56 Bottomset gill net 2693 BSGN/DGN 3 Bottomset longline 349 Crab liftnet 69 Crab net 5 Compressor 81 Crab pot 616 Crab trap 55 Drift gillnet 695 Drive-in gillnet 27 Drive-in-net 4 Diving 4 Drift longline 3 Danish seine 120 Encircling gillnet 200 EGN/ScN 4 Fish coral 228 Filter net 41 Fish pot 226 Fry dozer 5 Fish trap 92 Hook line 2535 Gleaning 1 Multiple hook & line 7 Manual push net 19 Surface set gillnet 59 Mid-water trawl 1 Otter trawl 242 Panungkit 13 Purse seine 11 Round haul seine 55 Scoop net 51 Stationary lift net 40 Surrounding net 72 Spear gun (manual) 178 Spear gun(compressor) 5 SpG/ScN 27 Squid jigger 1031 Squid pot 11 Squid trawl 187 Shrimp trawl 20 Trawl 149 Stake trap 9 Troll line 169 Trammel net 7 Trawl & Seine 4 Tulis 13 Yabyab 4 GRAND TOTAL 10,567

23 ANNUAL ON-SITE INVENTORY OF FISHING VESSELS UNLOADING IN CARLES, ESTANCIA, & CONCEPCION, ILOILO COMMERCIAL SECTOR No. of Vessels Landing by Port Inventory Fish Port Bancal Municipal Fish Port, Carles Concepcion Municipal Fish Port Estancia Fish Port Complex TOTAL 621 1,124 1,235 1,473 1,336 1,203 MUNICIPAL SECTOR No. of Vessels Landing by Port Inventory Fish Port Bancal Municipal Fish Port, Carles 1,038 2,033 1,322 1,727 2,157 1,844 Concepcion Municipal Fish Port 696 1,995 1,748 1,914 2,140 2,190 Estancia Fish Port Complex ,059 TOTAL 2,490 4,636 3,667 4,300 4,975 5,093

24 STATUS: Overfishing in the Visayan Sea had been apparent Despite the need for 15% effort reduction (fishing boats operating) shown in MSY finding in year 2007, an increase in vessel operation is observed during the 2011 total inventory Results in CFVL/CFVG Moratorium & intensive IEC for FAO 167 as fisheries law enforcement initiatives, Visayan Sea fish stocks could immediately recover if enforcement is properly implemented

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