Abstract
Traditional human communities have a wide knowledge of their environment. Collection of animals in estuarine and coastal areas are directly influenced by tidal cycles. The aim of this study is to evaluate the understanding of the tides associated with the lunar cycle held by people who gather crustaceans and molluscs in the State of Paraiba. The empirical knowledge of 20 crab gatherers and 30 mollusc gatherers was recorded through open interviews and structured questionnaires. The results showed that the gatherers have an accurate comprehension of tidal phenomenon based on their exploitation of natural resources, which perpetuates through generations.
Highlights
The diversity of coastal ecosystems and their abundance of natural resources have attracted human communities since ancient times
In Brazil, artisanal fishing is fundamentally relevant because this activity produces food, for commercial purposes and a means of subsistence [1,2]
The bulk of Brazilian fishing is based on mangrove ecosystems whose species spend most of their life cycle in those environments [3]
Summary
The diversity of coastal ecosystems and their abundance of natural resources have attracted human communities since ancient times. The bulk of Brazilian fishing is based on mangrove ecosystems whose species spend most of their life cycle in those environments [3]. Human communities relying directly on their natural resources for subsistence, usually have a detailed knowledge of their environments [4,5,6]. Artisanal fishing requires that the participants have ethnoecological knowledge allowing them to use the fishery resource with the sustainability of the praxis guaranteed [8,9]. This information is a valuable heritage to be systematized and used to develop measures for a sustainable use of the natural resources [10]
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