Fishermen's knowledge as background information in tropical fish ecology: a quantitative comparison with fish sampling results

Autor:	Gilles Poizat, Eric Baran
Rok vydání:	1997
Předmět:	geography.geographical_feature_category Ecology Ecology (disciplines) Sampling (statistics) Estuary Aquatic Science Seasonality medicine.disease Correspondence analysis West africa Geography parasitic diseases medicine Fish Traditional knowledge Ecology Evolution Behavior and Systematics
Zdroj:	Environmental Biology of Fishes. 50:435-449
ISSN:	1573-5133 0378-1909
DOI:	10.1023/a:1007317423165
Popis:	An investigation of fishermen's knowledge of fish occurrence patterns on various spatio-temporal scales has been realized in the Fatala Estuary (Guinea, West Africa), accompanied by a one-year survey with standardized gill-net sets. Seventy one fishermen distributed in four zones corresponding to gill-net sampling sites were questioned about seasonal variations of species' relative abundances. Longitudinal and seasonal patterns of fish relative abundances were described with correspondence analysis and ANOVA for both approaches. Comparison of results showed a good coherence between fishermen's answers and gill-net sampling results. Thus, it is proposed that investigation of fishermen's ecological knowledge should be used as a preliminary study to help defining fish sampling designs in tropical rivers and estuaries.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ad3c77b250323777ca3c38762f332d84 https://doi.org/10.1023/a:1007317423165 Zobrazit plný text záznamu Full text from SpringerLink