Ecology and ethnoecology of dusky grouper [garoupa, Epinephelus marginatus (Lowe, 1834)] along the coast of Brazil
2008

Ecology and Ethnoecology of Dusky Grouper Along the Coast of Brazil

Sample size: 62 publication Evidence: moderate

Author Information

Author(s): Begossi A, Silvano RAM

Primary Institution: Fisheries & Food Institute, Brazil

Hypothesis

What is the ecological and biological status of the dusky grouper along the Brazilian coast?

Conclusion

Precautionary management approaches are urgently needed for the dusky grouper due to its vulnerability and decline along the Brazilian coast.

Supporting Evidence

  • Dusky grouper is a key species for artisanal fisheries in Brazil.
  • Interviews with fishermen provided valuable local ecological knowledge.
  • The study highlighted the urgent need for better management practices for dusky grouper.

Takeaway

Dusky groupers are important fish in Brazil, but they are being caught too much, and we need to be careful to protect them.

Methodology

The study involved collecting dusky grouper specimens, analyzing their stomach contents, and conducting interviews with local fishermen.

Potential Biases

Potential bias from fishermen's knowledge and reporting may affect the accuracy of the data collected.

Limitations

The study lacks comprehensive statistical data on dusky grouper populations and fishing practices.

Participant Demographics

The fishermen interviewed were primarily older males, with an average age of 53 years and most having four years of education or less.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1746-4269-4-20

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