Aquaculture Introduction Lecture

8/3/2019 Aquaculture Introduction Lecture

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5/3/12

AquacultureIntroduction Lecture

By Prof. JMPK Jayasinghe


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Maritime boundary of Sri Lanka


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Continental shelf of Sri Lanka


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5/3/12Annual Fish Production by FishingSub-sectors (in Metricton)

Year

Marine

Total Marine

CoastalOff shore/ Inland and Total FishDeep Sea

Aquaculture Production

1980 165,264 2,148 167,412 20,266 187,678

1985 140,270 2,400 142,670 32,740 175,410

1990 134,130 11,670 145,800 38,190 183,990

1995 157,500 60,000 217,500 18,250 235,750

2000 175,280 84,400 259,680 36,700 296,380

2001 167,530 87,360 254,890 29,870 284,760

2002 176,250 98,510 274,760 28,130 302,890

2003 163,850 90,830 254,680 30,280 284,960

2004 154,470 98,720 253,190 33,180 286,370

2005 63,690 66,710 130,400 32,830 163,230

2006 121,360 94,620 215,980 35,290 251,270

2007 150,110 102,560 252,670 38,380 291,050


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Inland Fish Production by MajorSpecies


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5/3/12Annual Shrimp Production(Metric ton)

Year Aquaculture

Wild

Capture Total

1990

6

80

4,470 5,150

1995

3,6007,500 11,100

1999

3,820

7,680 11,500

2000

4,3607,540 11,900

2001

3,540

7,360 10,900

2002

2,5609,820 12,380Source : Statistics Unit, Ministr of Fisheries


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Annual Shrimp Production ofSri Lanka 1990-2007


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Fish production -2009 (In Mt)

Source: Fisheries statistic,


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Supply of Fresh Fish, Dried Fishand Canned Fish for Consumption(InKilogram)

1995 2000 2003 2005 2006 2007

Mid Year

Population

17280000 18467000 19252000 19668000 19750000 20010000

Fresh Fish

Production 237.50 300.40 284.96 163.23 251.27 291.05

Export (1) 7.13 18.55 14.70 15.99 18.65 14.30

Import (2) 0.00 0.47 5.03 4.91 6.54 10.84

Animal feed 4.75 6.01 5.70 3.26 5.03 5.82

Manufacture 36.27 60.75 54.00 18.90 71.74 77.83

Wastage (10%) 23.75 30.04 28.50 16.32 25.13 29.11

Total Supply 165.61 185.52 187.09 113.67 137.27 174.83

Per Capita Supply 9.58 10.05 9.72 5.78 6.95 8.73


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Dried Fish 1995 2000 2003 2005 2006 2007

Production 12.09 24.36 21.84 7.56 33.40 36.20

Change in Stock 0.15 0.01 0.01 0.01 0.01 0.01

Export - - - - - -

Import (3) 44.80 50.55 45.51 44.61 44.75 48.06

Wastage - - - - - -

Total Supply 57.04 74.92 67.36 52.18 78.16 84.25

Per CapitaSupply

3.30 4.06 3.50 2.65 3.96 4.21

Cont.


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Canned Fish 1995 2000 2003 2005 2006 2007

Production

Change in Stock 0.17 0.02 0.01 0.01 0.01 1.01

Export - - - - - -

Import (4) 20.17 21.89 18.09 20.23 19.71 23.10

Wastage - - - - - -

Total Supply 20.34 21.91 18.10 20.24 19.72 24.11

Per Capita Supply 1.18 1.19 0.94 1.03 1.00 1.20

Cont


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5/3/12

History of AquacultureDevelopment

JMPK JayasingheProfessor of Aquaculture


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Contribution of aquaculture to food-fish supply


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The relative contribution fromcapture fisheries and aquaculture to

the GDP in some selected Asiancountries and Chile, S. AmericaCountry Capture Aquacultur

e

Bangladesha 1.884 2.688

PR chinaa 1.132 2.618

Indonesiaa 2.350 1.662

Lao PDRa 1.432 5.775

Malaysiaa 1.128 0.366

Philippinesa 2.184 2.633

Thailanda 2.044 2.071

VietnamC 3.702 4.000


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LAC-Latin America & theCaribbean

CEE-Central & EasternEurope


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roups in freshwater (A), brackish wa

Source: FAO

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Trends in aquaculture production

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Growth phases ofAquaculture

Historical:-

Aquaculture evolved as an

art (China)

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Phase I Post 1975

Aquaculture development asa science:

Recognized as significantpotential contributor to animalprotein supplies

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Phase II 1975-

1980sAquaculture grows

unabated (rapidexpansion): environmental

degradation:Makes its mark as

significant contributor to

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Phase I Phase II

BlueRevolution

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Phase III 1990s

Environmental concerns: allgrowth need to ensure

sustainability:Linked to biodiversity

establish CBD

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Phase IV Mid 1990s-2000s

Emergence of food safety

issues.; banning of use ofantibiotics/ growth hormones

etc.; HACCP; eco-labeling;certifications

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Phase V 2010 &beyondCulture practicesneed to ensure

minimal impacts onbiodiversity; anecosystem

a roach to

Aquaculture responds;adoption ofBMPs/GAPs

5/3/12Midterm evaluation on


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5/3/12Midterm evaluation onBMP's in Shrimp Farming inSri Lanka

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Phase Va

Products toreduce GHGemissions

Shift to lowtrophic

species?

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Aquaculture Introduction Lecture

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