Influência de extremos de cheia e de seca nos recursos capturados pela pesca comercial desembarcados no porto de Manaus (Amazonas, Brasil)
In this study, the fisher’s knowledge about extreme climatic events (drought and flood) as well as a time serie of fishery data from Amazonas River (1996-2005) colleted at the Manaus harbour was evaluated. The main objective of this thesis is to generate indicators based on the information collet...
| Autor principal: | Guerreiro, Ana Isabel Camacho |
|---|---|
| Grau: | Tese |
| Idioma: | por |
| Publicado em: |
Instituto Nacional de Pesquisas da Amazônia - INPA
2020
|
| Assuntos: | |
| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/11499 http://lattes.cnpq.br/8484323420930073 |
| Resumo: |
|---|
|
In this study, the fisher’s knowledge about extreme climatic events (drought and flood) as
well as a time serie of fishery data from Amazonas River (1996-2005) colleted at the Manaus
harbour was evaluated. The main objective of this thesis is to generate indicators based on the
information colleted, in order to promote a better fisheries management. Fishers were able to
perceive climatic extremes that occured among 1952-2012, and they were also able to
recognize the impacts that they had on fisheries resources. The analysis of fishery data time
series allowed identifying an increase in fishery mortality of flag-tail prochilodus
Semaprochilodus insignis during climatic extremes whose anual mean diary temperature
range was lowest. An increase in growth performance of S. insignis was observed during the
most intense droughts, as well as a reduction in reproductive effort of Brycon cephalus and S.
insignis was noted during the most intense floods. Some adequate management measures
were discussed along the text. |