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THE PRODUCTION OF P ARATY FISHERIES: BASIS FOR HUMAN ECOLOGICAL ANALYSES IDRC, FAPESP & CNPQ A. Begossi, V. Nora, and S. Salyvonchyk

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Page 1: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

THE PRODUCTION OF PARATY FISHERIES: BASIS

FOR HUMAN ECOLOGICAL ANALYSES

IDRC, FAPESP & CNPQ

A. Begossi, V. Nora, and S. Salyvonchyk

Page 2: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

DATA FROM FISH LANDINGS

Sub-projects: Genetics ,Fisher behavior, Market,

Ecosystem based, Reef fish ecology, Management,

PES

Regina Priolli

Tainá Barreto

Vinicius Nora

Priscila F .Lopes

Mariana Clauzet

Renato Silvano

Peter/Valéria (PES)

and others

Page 3: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr
Page 4: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr
Page 5: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

METHODS:PERIODS: 1986-1992 BUZIOS ISLAND AND SEPETIBA BAY

(3);2002 TO 2009: 11 COMMUNITIES, PLUS DIET AND GONADS

1.Fish landings

2.Fish Identification (fish market Pr Grande)

3. Fish diet and gonads

[volume and visible eggs, macroscopic analyses]

From Ceará (NE Brazil) to Santa Catarina (S Brazil)

14 sites

•No Lab needs

•Less time

consuming

•Adequate for

fishers

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Dia: Mês/Ano: Local:Nome da Peixaria ou do Ponto de desembarqueNome do Pescador

Embarcação

Local de Pesca

Tempo de ida + volta (minutos)

Aparelho (apetrecho de pesca)

Pescado (espécie) Número Peso (Kg)Pesar e contar juntos, Por espécie

Ficha : coleta de dados de desembarque pesqueiro No. da Ficha:___________Coletor:_______________

Comprimento Total

Da cabeça ao final da nadadeira caudal(na foto é o a)

NomeEx: robalo peba

Comprimento10cm

Peso

IND1IND2IND3IND4IND5

No. da Ficha:___________ Coletor_____________________Data:__________________ Local:_____________________Para cavala, garoupas e robalos (por indivíduo)

Page 7: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

RESULTS: 10 MONTHS

(NOV 2009 TO AUG 10)

Species

Diversity

Per fishing spot

Per month

Per fisher

Per gear or technology

Production (Kg )

Fishing spots

Production

Species, technology

Travel time

Fisher´s decision

processes

Seasonal changes

Fishing agreements

and PES

Page 8: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

PRODUCTION:

NOVEMBER 2009 TO AUGUST 2010

261 Trips sampled

For 10 months:, Production

Praia Grande: 5.325,45 Kg

Tarituba:: 3,.224,24 Kg

For 10 months, Number of trips

Praia Grande: 181

Tarituba: 80

0.00

200.00

400.00

600.00

800.00

1000.00

1200.00

1400.00

1600.00

Nov 09

Dec 09

Jan 10

Feb 10

Mar 10

Apr 10

May 10

Jun 10

Jul 10

Aug 10

Praia Grande

Tarituba

Page 9: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

0% 20% 40% 60% 80% 100%

Praia Grande

Tarituba

Catch content in different locations (Kg)Camarão

Corvina

Xerelete

Tainha

Paraty

Pescada

Bagre

Robalo Flexa

Prejereba

Lula

Cação

Bonito

Olho de cão

Mistura

Shrimp

Shrimp

Caranx spp.

Bluerunner

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GEAR AND TECHNOLOGY

Praia Grande

N=181

Tarituba

N= 79

33%

24%11%

7%

5%

3%2%

2%

2%

11%

Technologies used in Praia Grande

Rede espera

Arrasto

Batedeira

Espinhel

Arrasto/Rede espera

Linha

Espinhel/Rede espera

Linha/Zangarelho

Zangarelho

Another

40%

25%

6%4%

4%

3% 3% 15%

Tehnologies used in Tarituba

Rede esperaArrasto

Linha

Arrasto/LinhaCerco fixo

Cerco

Mergulho

Another

Page 11: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

PESQUEIROS

Praia Grande Tarituba

16.0%

13.8%

10.5%

8.3%8.3%

3.9%3.3%

2.8%

2.2%2.2%2.2%

1.7%

1.7%23.2%

“Pesqueiro” used in Praia GrandeBaía de Paraty

Ilha da Rapada

Ilha dos Ganchos

Araçaíba

Meros

Ilha do Araújo

Canto do Morro

Baía da Barra GrandeIlha do Pico

Ilha do Ventura

Laje Rasa

7 Cabeças

Ilha de Palmas

19.0%

16.5%

15.2%12.7%6.3%

5.1%

5.1%

3.8%

3.8%

2.5%

2.5%

7.6%

“Pesqueiro” used in Tarituba

7 Cabeças

Araçatiba

Araçaíba

Ilha do Cedro

Meros

Araraquara

Ilhote Grande

Ilha do Caroço

Laje Branca

Ilha Comprida

Lajinha de Tarituba

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0 5 10 15 20 25 30

Baía de Paraty

Araçaíba

Ilha da Rapada

Meros

Ilha dos Ganchos

7 Cabeças

Araçatiba

Ilha do Cedro

Ilha do Araújo

Canto do Morro

Araraquara

Baía da Barra Grande

Ilha do Pico

Ilha do Ventura

Ilhote Grande

Laje Branca

Laje Rasa

Ilha de Palmas

Ilha do Caroço

Ilha Comprida

Ilha da Rapada/Araçaíba

Ilha da Rapada/Laje …

Ilha da Tapera

Lajinha de Tarituba

Pedra Submersa

Ponta da Baleia

Count of trips

Praia Grande Tarituba

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y = 8E-06x3.0723

R² = 0.9158

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

20 25 30 35 40 45 50 55 60 65

We

igh

t (k

g)

Length (cm)

Robalo Peba (Pr. Grande & Tarituba)

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y = 6E-06x3.1205

R² = 0.8568

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

35 45 55 65 75 85 95

We

igh

t (k

g)

Length (cm)

Robalo Flexa (Pr. Grande)

Page 15: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

y = 0.0315e0.0729x

R² = 0.9174

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

20 25 30 35 40 45 50 55 60 65

We

igh

t (k

g)

Length (cm)

Robalo Peba (Tarituba)

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y = 5E-06x3.279

R² = 0.8719

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

25 30 35 40 45 50 55

We

igh

t (k

g)

Length (cm)

Garoupa (Pr. Grande & Tarituba)

Page 17: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

TRINDADE

COLETA: ROBSON D. POSSIDÔNIO

Species Cerco Production

Page 18: The production of Paraty fisheries: basis for human ...umanitoba.ca/institutes/natural_resources/Brazil/brazilpdf/Brazil... · 1.Fish landings 2.Fish Identification (fish market Pr

THANK YOU!