Table 1.

Socioeconomic aspects of interviewed fishers from Amarante, mid-west region of Piauí, Northeast Brazil

		n
Age group	Less than 41 years old (years old)	06
	41–60 years old	17
	61 or older	06
Schooling	Very low (illiterate or semi-literate)	03
	Low (incomplete or complete elementary school “ensino fundamental”)	22
	Medium (incomplete or complete secondary school “ensino médio”)	04
Marital status	Single	04
	Married or stable union	22
	Divorced or separated	01
	Widower	02
Family size	Less than 4 people (p.)	15
	4–6 p.	12
	7 p. or more	02
Fishing experience	Less than 31 years (years)	08
	31–50 years	14
	51 years or more	07
Living time in the surveyed area	Less than 41 years (years)	13
	41–60 years	12
	61 years or more	04