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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<br />

<strong>Seasonality</strong> <strong>of</strong><br />

<strong>commercially</strong> <strong>important</strong><br />

<strong>pelagic</strong> <strong>fishes</strong> <strong>in</strong> <strong>the</strong><br />

Philipp<strong>in</strong>es: overfish<strong>in</strong>g<br />

or climate change?<br />

Mudjekeewis D. Santos, Ph.D.<br />

Scientist I and OIC, Mar<strong>in</strong>e Fisheries Research Division<br />

National Fisheries Research and Development Institute<br />

Metro Manila, Philipp<strong>in</strong>es


Outl<strong>in</strong>e<br />

• Philipp<strong>in</strong>es and <strong>the</strong> issue <strong>of</strong> climate change<br />

• Philipp<strong>in</strong>e fisheries and mar<strong>in</strong>e ecosystem<br />

pr<strong>of</strong>iles<br />

• Data source: National Stock Assessment Program<br />

• Pelagic species composition and seasonality<br />

• Summary and conclusion


Climate change policy <strong>in</strong> <strong>the</strong> Philipp<strong>in</strong>es<br />

• Climate Change Commission<br />

• Framework and strategies <strong>in</strong><br />

place<br />

• Adaptation is priority<br />

CO2 CO2 Emissions<br />

per Emissions Capita<br />

(tons)<br />

per Capita<br />

(tons)<br />

Philipp<strong>in</strong>e Republic Act 9729:<br />

“Climate Change Act <strong>of</strong> 2009”<br />

National Framework Strategy<br />

on Climate Change<br />

CLIMATE PROCESS DRIVERS<br />

• Energy<br />

• Transport<br />

• Land Use Change & Forestry<br />

• Agriculture<br />

• Waste<br />

Capacity Knowledge<br />

Development Management<br />

CLIMATE CHANGE<br />

• Increas<strong>in</strong>g temperature<br />

• Chang<strong>in</strong>g ra<strong>in</strong>fall pattern<br />

• Sea level rise<br />

• Extreme climate events<br />

VISION<br />

A climate resilient Philipp<strong>in</strong>es with healthy,<br />

safe, prosperous and self‐reliant<br />

communities, and thriv<strong>in</strong>g and productive<br />

ecosystems<br />

SUSTAINABLE<br />

DEVELOPMENT<br />

Goal: To build <strong>the</strong> adaptive<br />

capacity <strong>of</strong> communities and<br />

<strong>in</strong>crease <strong>the</strong> resilience <strong>of</strong> natural<br />

ecosystems to climate change<br />

SOCIETY ENVIRONMENT<br />

and optimize mitigation<br />

opportunities towards<br />

susta<strong>in</strong>able development<br />

ECONOMY<br />

MITIGATION<br />

• Energy efficiency and conservation<br />

• Susta<strong>in</strong>able <strong>in</strong>frastructure<br />

• Renewable energy<br />

• Environmentally susta<strong>in</strong>able transport<br />

• National REDD+ Strategy<br />

• Waste Management<br />

IEC Gender<br />

Advocacy Ma<strong>in</strong>stream<strong>in</strong>g<br />

Research and Development<br />

Technology Transfer<br />

ADAPTATION<br />

• Enhance Vulnerability and Adaptation Assessment<br />

• Integrated Ecosystem –based Management<br />

• Climate Responsive Agriculture<br />

• Water Governance and Management<br />

• Climate Responsive Health Sector<br />

• Disaster Risk Reduction and Management<br />

Multi‐stakeholders<br />

Partnership<br />

IMPACTS AND<br />

VULNERABILITY<br />

• Ecosystems (River bas<strong>in</strong>, coastal<br />

and mar<strong>in</strong>e, biodiversity)<br />

• Food security<br />

• Water resources<br />

• Human health<br />

• Infrastructure<br />

• Energy<br />

• Human society<br />

F<strong>in</strong>anc<strong>in</strong>g Valuation<br />

CROSS‐CUTTING STRATEGIES MEANS OF IMPLEMENTATION<br />

Policy, Plann<strong>in</strong>g and<br />

Ma<strong>in</strong>stream<strong>in</strong>g<br />

1


Philipp<strong>in</strong>e Fisheries and Climate Change<br />

• Consistently one <strong>of</strong> <strong>the</strong> top<br />

10 countries predicted to<br />

be adversely affected by CC<br />

• About 70% lives <strong>in</strong> coastal<br />

areas<br />

• About 70% <strong>of</strong> prote<strong>in</strong><br />

requirement comes from fish<br />

• Low levels <strong>of</strong> socio-economic<br />

capacities <strong>in</strong> many <strong>of</strong> <strong>the</strong>se<br />

coastal communities


Some Philipp<strong>in</strong>e Climate Change-Related Data<br />

David, 2010<br />

Sea surface level, 1950 - 1990<br />

Yanagi and Akaki 1994


Philipp<strong>in</strong>e Fisheries Pr<strong>of</strong>ile<br />

6 th among <strong>the</strong> top fish produc<strong>in</strong>g<br />

countries <strong>in</strong> <strong>the</strong> world<br />

3.12% <strong>of</strong> <strong>the</strong> total world<br />

catch/harvest <strong>of</strong> fish,<br />

crustaceans, mollusks, and<br />

aquatic plants<br />

9 th <strong>in</strong> <strong>the</strong> world <strong>in</strong> terms <strong>of</strong><br />

aquaculture production<br />

1.4% <strong>of</strong> total global aquaculture<br />

production <strong>of</strong> fish, crustaceans<br />

and mollusks<br />

3 rd largest producer <strong>of</strong> seaweeds<br />

10.6% <strong>of</strong> <strong>the</strong> total world<br />

seaweeds production<br />

<strong>in</strong> metric ton<br />

6,000,000<br />

5,000,000<br />

4,000,000<br />

3,000,000<br />

2,000,000<br />

1,000,000<br />

-<br />

Fish Production, 1980‐2009<br />

Fisheries is critical to <strong>the</strong> country<br />

Year<br />

Aquaculture


Philipp<strong>in</strong>es epicenter <strong>of</strong> mar<strong>in</strong>e biodiversity<br />

<strong>in</strong> <strong>the</strong> world<br />

1736-1693 (top 2.5%)<br />

1692-1650 (5-2.5%)<br />

1649-1606 (7.5-5%)<br />

1563-1605 (10-7.5%)<br />

Carpenter & Spr<strong>in</strong>ger, 2004<br />

(2,983 maps, seaweeds to mammals)<br />

Allen, 2007<br />

(4,000 Indo‐Pacific Indo Pacific reef <strong>fishes</strong>)<br />

Also hottest <strong>of</strong> <strong>the</strong> hotspots for conservation !


Philipp<strong>in</strong>es has many biogeographic regions<br />

Malaysia<br />

Vietnam<br />

Indonesia<br />

Philipp<strong>in</strong>es<br />

Carpenter et al., 2010 (CT‐PIRE (CT PIRE Project) us<strong>in</strong>g connectivity <strong>of</strong> different mar<strong>in</strong>e organisms


Philipp<strong>in</strong>es has many biogeographic regions<br />

?<br />

Santos MD, 2011 (NFRDI)


Interpret<strong>in</strong>g Sard<strong>in</strong>ella Stock Structure <strong>in</strong> <strong>the</strong> Philipp<strong>in</strong>es<br />

us<strong>in</strong>g genetic data<br />

Sard<strong>in</strong>ella lemuru Sard<strong>in</strong>ella gibbosa<br />

One stock Different stocks, species<br />

Thomas R., Wilette D., and Santos MD. 2011


National Stock Assessment Program (NSAP)<br />

• To create a standardized,<br />

specific and time‐series<br />

<strong>in</strong>formation on mar<strong>in</strong>e capture<br />

fisheries around <strong>the</strong> country for<br />

management purposes<br />

• To develop and <strong>in</strong>stitutionalize<br />

<strong>the</strong> capability <strong>of</strong> <strong>the</strong> 16 regional<br />

<strong>of</strong>fices <strong>in</strong> fishery stock<br />

assessment<br />

• Included <strong>in</strong> Philipp<strong>in</strong>e GAA<br />

(s<strong>in</strong>ce 1996)


National Stock Assessment Program (NSAP)<br />

Orientation and<br />

Tra<strong>in</strong><strong>in</strong>g<br />

Implementation<br />

Report<strong>in</strong>g<br />

(Landed Catch and Effort Monitor<strong>in</strong>g by FAO)<br />

• Catch estimates<br />

• Gear <strong>in</strong>ventories<br />

• Catch per unit effort (CPUE)<br />

• Species composition and seasonality<br />

• Length frequencies, Population<br />

parameters<br />

• Maximum Susta<strong>in</strong>able Yield (MSY),<br />

Potential Yield (PY), Exploitation<br />

Ratios etc.


National Stock Assessment Program (NSAP)<br />

(Database)


Th<strong>in</strong>gs to remember<br />

• Multi‐species, multi‐gear fishery<br />

• Different biogeographic regions and stocks<br />

• Very limited specific historical data on fisheries<br />

• Limited historical meteorological data<br />

• Major ENSO events <strong>in</strong> 1997‐1998 and 2009‐2010


Oceanic Tunas (Family Scombridae)<br />

Percentage (%) Catch <strong>in</strong><br />

Philipp<strong>in</strong>e Waters<br />

YELLOWFIN<br />

33%<br />

BIGEYE<br />

5%<br />

SKIPJACK<br />

62%<br />

Source: WCPFC Yearbook 2009; 2010 data prelim<strong>in</strong>ary -WCPFC-SC7-2011/ST IP-1<br />

= 213,442 MT<br />

2<br />

Region 1<br />

Region 3<br />

Region 4B<br />

2<br />

NCR<br />

ARMM<br />

Region 2<br />

Region<br />

4A<br />

Region 6<br />

Region 9<br />

Region 5<br />

Region 7<br />

Region 12<br />

Region 8<br />

Region 10<br />

CARAGA<br />

1<br />

Region 11


Sard<strong>in</strong>es (Family Clupeidae)<br />

Sard<strong>in</strong>e Production <strong>in</strong> NSAP monitored fish<strong>in</strong>g grounds, 2004‐2007, kg.<br />

Region Fish<strong>in</strong>g Ground SARDINES %<br />

6 & 7 Visayan Sea 32,489,089.25 41.98<br />

10 Macajalar Bay 18,042,796.84 23.31<br />

10 Iligan Bay 10,671,547.69 13.79<br />

4A Tayabas Bay 9,945,682.79 12.85<br />

2 Cagayan Waters 1,906,065.19 2.46<br />

10 Camigu<strong>in</strong> Waters 1,550,314.06 2.00<br />

5 Sorsogon Bay 778,346.35 1.01<br />

11 Davao Gulf 759,147.10 0.98<br />

4B Honda Bay 568,378.51 0.73<br />

ARMM Illana Bay 171,073.77 0.22<br />

7 Camotes Sea 151,223.73 0.20<br />

CARAGA H<strong>in</strong>atuan Passage 133,000.39 0.17<br />

8 Leyte Gulf 77,739.71 0.10<br />

5 Lagonoy Gulf 38,610.01 0.05<br />

6 Cuyo East Pass (Antique) 27,440.00<br />

3 Zambales Coast 3,529.50<br />

12 Moro Gulf 811.91<br />

ARMM Sulu Sea 86,132.59<br />

Total 77,400,929.39<br />

0.04<br />

0.00<br />

0.00<br />

0.11<br />

100.00<br />

= 11,225.74<br />

MT<br />

* Fish<strong>in</strong>g Ground <strong>in</strong> green color,<br />

with less than 1% share<br />

Region 1<br />

Region 3<br />

Zambales<br />

Coast<br />

Region 4B<br />

Honda Bay<br />

Batanes Waters<br />

NCR<br />

Sulu Sea<br />

Tayabas<br />

Bay<br />

Cuyo East<br />

Pass<br />

Region 2<br />

Region<br />

4A<br />

ARMM<br />

Region 6<br />

Cagayan<br />

Waters<br />

Region 5<br />

Visayan<br />

Sea<br />

Camotes<br />

Sea<br />

Region 7<br />

Region 9<br />

Illana Bay<br />

Lagonoy<br />

Gulf<br />

Sorsogon Bay<br />

Region 8<br />

Macajar Region 10<br />

Camigu<strong>in</strong><br />

Bay<br />

Waters<br />

CARAGA<br />

Moro Gulf<br />

Region 12<br />

Iligan Bay<br />

Leyte Gulf<br />

H<strong>in</strong>atuan<br />

Passage<br />

Region 11<br />

Davao<br />

Gulf<br />

Distribution <strong>of</strong> Sard<strong>in</strong>es (Sard<strong>in</strong>ella & Amblygaster spp.) <strong>in</strong> NSAP monitored fish<strong>in</strong>g<br />

grounds <strong>of</strong> <strong>the</strong> Philipp<strong>in</strong>es, 2004-2007<br />

2<br />

1<br />

3


Roundscads (Family Carangidae)<br />

Roundscad Production <strong>in</strong> NSAP monitored fish<strong>in</strong>g grounds, 2004‐2007, kg.<br />

Region Fish<strong>in</strong>g Ground Kg %<br />

10 Iligan Bay 37,003,473.41 33.61<br />

10 Macajalar Bay 25,176,719.11 22.87<br />

2 Batanes Waters 15,789,039.93 14.34<br />

11 Davao Gulf 9,031,787.27 8.20<br />

3 Zambales Coast 7,368,798.43 6.69<br />

2 Cagayan Waters 4,359,452.16 3.96<br />

6 & 7 Visayan Sea 3,995,017.85 3.63<br />

7 Camotes Sea 2,860,672.41 2.60<br />

4A Tayabas Bay 1,976,354.38 1.80<br />

12 Moro Gulf 763,003.50 0.69<br />

10 Camigu<strong>in</strong> Waters 749,384.30 0.68<br />

5 Lagonoy Gulf 236,824.17 0.22<br />

6 Cuyo East Pass (Antique) 212,142.75 0.19<br />

CARAGA H<strong>in</strong>atuan Passage 184,678.38 0.17<br />

4B Honda Bay 110,129.86 0.10<br />

8 Leyte Gulf 74,998.45 0.07<br />

12 & ARMM Illana Bay 33,025.02 0.03<br />

ARMM Sulu Sea 156,632.60 0.14<br />

Total 110,082,133.99 100.00<br />

= 11,225.74<br />

MT<br />

* Fish<strong>in</strong>g Ground <strong>in</strong> green color,<br />

with less than 1% share<br />

Region 1<br />

Region 3<br />

Zambales<br />

Coast<br />

Region 4B<br />

Honda Bay<br />

Batanes Waters<br />

NCR<br />

Sulu Sea<br />

Tayabas<br />

Bay<br />

Cuyo East<br />

Pass<br />

Region 2<br />

Region<br />

4A<br />

ARMM<br />

Region 6<br />

Cagayan<br />

Waters<br />

Region 5<br />

Visayan<br />

Sea<br />

Camotes<br />

Sea<br />

Region 7<br />

Region 9<br />

Illana Bay<br />

Lagonoy<br />

Gulf<br />

Region 8<br />

Macajar Region 10<br />

Camigu<strong>in</strong><br />

Bay<br />

Waters<br />

CARAGA<br />

Moro Gulf<br />

Region 12<br />

Iligan Bay<br />

Leyte Gulf<br />

H<strong>in</strong>atuan<br />

Passage<br />

Region 11<br />

Davao<br />

Gulf<br />

Distribution <strong>of</strong> Roundscads (Decapterus spp.) <strong>in</strong> NSAP monitored fish<strong>in</strong>g grounds <strong>of</strong><br />

<strong>the</strong> Philipp<strong>in</strong>es, 2004-2007<br />

2<br />

3<br />

1


Mackerels (Family Scombridae)<br />

Mackerel Production <strong>in</strong> NSAP monitored fish<strong>in</strong>g grounds, 2004‐2007, kg.<br />

Region Fish<strong>in</strong>g Ground Kg %<br />

6 & 7 Visayan Sea 11,225,737.94 59.52<br />

4A Tayabas Bay 2,504,416.86 13.28<br />

11 Davao Gulf 1,738,039.94 9.21<br />

2 Cagayan Waters 1,220,974.40 6.47<br />

10 Iligan Bay 592,432.28 3.14<br />

5 Lagonoy Gulf 235,921.64 1.25<br />

CARAGA H<strong>in</strong>atuan Passage 231,592.74 1.23<br />

4B Honda Bay 227,619.57 1.21<br />

10 Macajalar Bay 196,252.05 1.04<br />

7 Camotes Sea 159,765.52 0.85<br />

10 Camigu<strong>in</strong> Waters 128,992.82 0.68<br />

8 Leyte Gulf 127,986.66 0.68<br />

3 Zambales Coast 55,902.14 0.30<br />

12 Moro Gulf 39,370.96 0.21<br />

ARMM Illana Bay 3,953.33 0.02<br />

5 Sorsogon Bay 2,929.61 0.02<br />

6 Cuyo East Pass (Antique) 2,771.00 0.01<br />

ARMM Sulu Sea 166,912.18 0.88<br />

Total 18,861,571.62 100.00<br />

= 11,225.74<br />

MT<br />

* Fish<strong>in</strong>g Ground <strong>in</strong> green color,<br />

with less than 1% share<br />

Region 1<br />

Region 3<br />

Zambales<br />

Coast<br />

Region 4B<br />

Honda Bay<br />

NCR<br />

Sulu Sea<br />

Tayabas<br />

Bay<br />

Cuyo East<br />

Pass<br />

Region 2<br />

Region<br />

4A<br />

ARMM<br />

Region 6<br />

Cagayan<br />

Waters<br />

Region 5<br />

Visayan<br />

Sea<br />

Camotes<br />

Sea<br />

Region 7<br />

Region 9<br />

IllanaBay Lagonoy<br />

Gulf<br />

Sorsogon Bay<br />

Region 8<br />

Macajar Region 10<br />

Camigu<strong>in</strong><br />

Bay<br />

Waters<br />

CARAGA<br />

Moro Gulf<br />

Region 12<br />

Iligan Bay<br />

Leyte Gulf<br />

H<strong>in</strong>atuan<br />

Passage<br />

Region 11<br />

Davao<br />

Gulf<br />

Distribution <strong>of</strong> Mackerels (Rastrelliger spp.) <strong>in</strong> NSAP monitored fish<strong>in</strong>g grounds <strong>of</strong><br />

<strong>the</strong> Philipp<strong>in</strong>es, 2004-2007<br />

2<br />

1<br />

3


Anchovies (Family Engraulidae)<br />

Anchovy Production <strong>in</strong> NSAP monitored fish<strong>in</strong>g grounds, 2004‐2007<br />

Region Fish<strong>in</strong>g Ground Kg %<br />

2 Batanes Waters 10,728,381.12 55.30<br />

4A Tayabas Bay 3,363,787.00 17.34<br />

2 Cagayan Waters 1,700,162.58 8.76<br />

6 Visayan Sea 1,590,950.65 8.20<br />

5 Lagonoy Gulf 900,664.09 4.64<br />

8 Leyte Gulf 440,349.17 2.27<br />

4B Honda Bay 218,970.87 1.13<br />

3 Zambales Coast 109,488.63 0.56<br />

CARAGA H<strong>in</strong>atuan Passage 96,668.86 0.50<br />

11 Davao Gulf 67,468.44 0.35<br />

10 Iligan Bay 63,900.76 0.33<br />

10 Macajalar Bay 61,086.68 0.31<br />

10 Camigu<strong>in</strong> Waters 31,215.79 0.16<br />

5 Sorsogon Bay 23,130.52 0.12<br />

6 Cuyo East Pass (Antique) 3,657.50 0.02<br />

Total 19,399,882.66 100.00<br />

= 10,728.38<br />

MT<br />

* Fish<strong>in</strong>g Ground <strong>in</strong> green color,<br />

with less than 1% share<br />

Region 1<br />

Region 3<br />

Zambales<br />

Coast<br />

Region 4B<br />

Honda Bay<br />

Batanes Waters<br />

NCR<br />

Tayabas<br />

Bay<br />

Cuyo East<br />

Pass<br />

Region 2<br />

Region<br />

4A<br />

ARMM<br />

Region 6<br />

Cagayan<br />

Waters<br />

Region 5<br />

Visayan<br />

Sea<br />

1<br />

3<br />

Region 8<br />

Region 7 Iligan Bay<br />

H<strong>in</strong>atuan<br />

Passage<br />

Macajar Region 10<br />

Camigu<strong>in</strong><br />

Bay<br />

Waters<br />

CARAGA<br />

Region 9<br />

Illana Bay<br />

Lagonoy<br />

Gulf<br />

Sorsogon Bay<br />

Region 12<br />

Leyte Gulf<br />

Region 11<br />

Distribution <strong>of</strong> Anchovies (Stolephorus & Encrasichol<strong>in</strong>a spp.) <strong>in</strong> NSAP monitored<br />

fish<strong>in</strong>g grounds <strong>of</strong> <strong>the</strong> Philipp<strong>in</strong>es, 2004-2007<br />

2<br />

Davao<br />

Gulf


7000<br />

6000<br />

5000<br />

4000<br />

3000<br />

2000<br />

1000<br />

Pasaleng Bay, Region 1<br />

(2000 - 2009)<br />

0<br />

14,000<br />

12,000<br />

10,000<br />

8,000<br />

6,000<br />

4,000<br />

2,000<br />

-<br />

Selarcrumenopthalmus<br />

J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N<br />

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009<br />

Katsuwonuspelamis<br />

Bigeye scad<br />

Skipjack<br />

J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N<br />

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009


Yield (‘000 MT)<br />

Bangui Bay, Region 1<br />

(2000 - 2009)<br />

5<br />

4.5<br />

4<br />

3.5<br />

3<br />

2.5<br />

2<br />

1.5<br />

1<br />

0.5<br />

0<br />

Roundscad<br />

Bigeye scad<br />

Decapterus macrosoma<br />

Selar crumenopthalmus<br />

J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N<br />

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009


0.00<br />

5000.00<br />

10000.00<br />

15000.00<br />

20000.00<br />

25000.00<br />

30000.00<br />

Apr-99<br />

Jul-99<br />

Oct-99<br />

Jan-00<br />

Apr-00<br />

Jul-00<br />

Oct-00<br />

Jan-01<br />

Apr-01<br />

Jul-01<br />

Oct-01<br />

Jan-02<br />

Apr-02<br />

Jul-02<br />

Oct-02<br />

Jan-03<br />

Apr-03<br />

Jul-03<br />

Oct-03<br />

Jan-04<br />

Apr-04<br />

Jul-04<br />

Oct-04<br />

Jan-05<br />

Apr-05<br />

Jul-05<br />

Oct-05<br />

Jan-06<br />

Apr-06<br />

Jul-06<br />

Oct-06<br />

Jan-07<br />

Apr-07<br />

Jul-07<br />

Oct-07<br />

Jan-08<br />

monitored production (kg)<br />

0<br />

5000<br />

10000<br />

15000<br />

20000<br />

25000<br />

Apr-99<br />

Jul-99<br />

Oct-99<br />

Jan-00<br />

Apr-00<br />

Jul-00<br />

Oct-00<br />

Jan-01<br />

Apr-01<br />

Jul-01<br />

Oct-01<br />

Jan-02<br />

Apr-02<br />

Jul-02<br />

Oct-02<br />

Jan-03<br />

Apr-03<br />

Jul-03<br />

Oct-03<br />

Jan-04<br />

Apr-04<br />

Jul-04<br />

Oct-04<br />

Jan-05<br />

Apr-05<br />

Jul-05<br />

Oct-05<br />

Jan-06<br />

Apr-06<br />

Jul-06<br />

Oct-06<br />

Jan-07<br />

Apr-07<br />

Jul-07<br />

Oct-07<br />

Jan-08<br />

monitored production (kg)<br />

Babuyan Channel, Region II<br />

(1999-2008)<br />

Big-eyed scad<br />

Dolph<strong>in</strong> fish


Zambales Coast, Region III<br />

(2003-2007)<br />

Catch (MT)<br />

Catch (mt)<br />

4000<br />

3500<br />

3000<br />

2500<br />

2000<br />

1500<br />

1000<br />

500<br />

0<br />

1600<br />

1400<br />

1200<br />

1000<br />

800<br />

600<br />

400<br />

200<br />

0<br />

Skipjack<br />

Yellowf<strong>in</strong><br />

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D<br />

2003 2004 2005 2006 2007<br />

Roundscad<br />

Year<br />

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D<br />

2003 2004 2005 2006 2007<br />

Year


Catch (mt)<br />

Catch (mt)<br />

Lagonoy Gulf, Region V<br />

(1998-2007)<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

20<br />

15<br />

10<br />

5<br />

0<br />

J<br />

M<br />

A<br />

Skipjack<br />

Anchovies<br />

O<br />

F<br />

F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D<br />

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D<br />

1998 1999 2000 2001 2002 2003<br />

J<br />

Bigeyed scad<br />

Roundscad<br />

J<br />

A<br />

J<br />

J<br />

A<br />

S<br />

M<br />

2004 2005 2006 2007 2008 2009<br />

J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N DJ<br />

F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D<br />

1998 1999 2000 2001 2002 2003<br />

S<br />

O<br />

M J<br />

S<br />

O<br />

J<br />

J<br />

A<br />

J<br />

J<br />

A<br />

J<br />

A S<br />

Year<br />

2004 2005 2006 2007 2008 2009<br />

J<br />

A<br />

J


Visayan Sea, Regions V, VI, VII<br />

(2003-2007)<br />

Catch (MT)<br />

450<br />

400<br />

350<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

‐<br />

Rastrelliger kanagurta<br />

Sard<strong>in</strong>ella fimbriata<br />

Mackerel<br />

Sard<strong>in</strong>e<br />

JFMAMJJASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASOND<br />

2003 2004 2005 2006 2007


Camotes Sea, Regions VII<br />

(1998-2007)<br />

Catch (kg)<br />

120000<br />

100000<br />

80000<br />

60000<br />

40000<br />

20000<br />

0<br />

Decapterus macrosoma Decapterus kurroides<br />

J FMAMJ J ASONDJ FMAMJ J ASONDJ FMAMJ J ASONDJ FMAMJ J ASONDJ FMAMJ J ASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASOND<br />

1998 1999 2000 2001 2002<br />

Roundscads<br />

2003 2004 2005 2006 2007


Leyte Gulf, Regions VIII<br />

(1998 - 2009)<br />

Catch(mt)<br />

100<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

-<br />

Gazza m<strong>in</strong>uta Rastrelliger kanagurta<br />

Slipmouth<br />

Bigeye scad<br />

J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N


South Sulu Sea, Regions IX<br />

(2005 - 2010)<br />

4,500.00<br />

4,000.00<br />

3,500.00<br />

3,000.00<br />

2,500.00<br />

2,000.00<br />

1,500.00<br />

1,000.00<br />

500.00<br />

-<br />

Sard<strong>in</strong>es<br />

Sard<strong>in</strong>ella lemuru<br />

Sard<strong>in</strong>ella gibbosa<br />

JFMAMJJASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASONDJFMAMJJASOND<br />

2005 2006 2007 2008 2009 2010


Camigu<strong>in</strong> Waters, Regions X<br />

(1998 - 2010)<br />

Catch (MT)<br />

Catch (MT)<br />

180<br />

160<br />

140<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

Anchovy<br />

Oxyporhamphus micropterus<br />

JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN JMMJ SN<br />

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010<br />

Skipjack<br />

Katsuwons pelamis<br />

J A J O J A J O J A J O J A J O J A J O J A J O J A J O J A J O J A J O J A J O J A J O J A J O J A J O<br />

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010


Davao Gulf, Regions XI<br />

(1998 - 2008)<br />

Catch (mt.)<br />

Catch (mt.)<br />

160<br />

140<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

Bigeyed scad<br />

Selar crumenophthalmus<br />

JMMJ SNJMMJ SNJMMJ SNJMMJ SNJMMJ SNJMMJ SNJMMJ SNJMMJ SNJMMJ SNJMMJ SNJMMJ SN<br />

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008<br />

Bullet tuna<br />

Auxis rochei<br />

J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N J M M J S N<br />

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008


H<strong>in</strong>atuan Passage, CARAGA Region<br />

(1998 - 2007)<br />

Catch<br />

MT<br />

16<br />

14<br />

12<br />

10<br />

-<br />

8<br />

6<br />

4<br />

2<br />

S. crumenopthalmus R kanagurta<br />

Bigeye scad Mackerel<br />

JFMAMJJASONDJFMAMJJASONDJFMAMJ JASONDJFMAMJ JASONDJFMAMJJASONDJFMAMJJASONDJFMAMJ JASONDJFMAMJ JASONDJFMAMJJASONDJFMAMJJASOND<br />

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007


Fish<br />

seasonality<br />

map<br />

no change<br />

change


Summary<br />

• Diversity and variability abounds <strong>in</strong> <strong>the</strong> Philipp<strong>in</strong>es<br />

• Different areas have different dom<strong>in</strong>ant species<br />

composition<br />

• Different areas show different species seasonality<br />

patterns<br />

• Suggest a play <strong>of</strong> fish<strong>in</strong>g or climate or both fish<strong>in</strong>g<br />

and climate, add analysis and data<br />

Message: It’s complicated! Localized management!


Acknowledgement<br />

Noel C. Barut, Deputy Director, NFRDI<br />

NSAP Regional Project Leaders and staff,<br />

Bureau <strong>of</strong> Fisheries and Aquatic Resources<br />

Vertebrate Section, Mar<strong>in</strong>e Fisheries Research Division,<br />

National Fisheries Research and Development Institute<br />

Demian Willete, CTI-PIRE Project<br />

Fisherfolks and fish<strong>in</strong>g companies<br />

www.nfrdi.da.gov.ph

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