Diversidade funcional de peixes na lagoa de La Paz, B.C.S., México

Diversidade funcional de peixes na lagoa de La Paz, B.C.S., México

Carlos Samuel Hernández Villasana / Emelio Barjau González

53,29 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2021
Materia
Ecología, la biosfera
ISBN:
9786204166926
53,29 €
IVA incluido
Disponible

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A Baja California Sur tem mais de 22 sistemas lagunares dos mais de 100 registrados no México, o que faz dela um ponto de interesse científico. As suas lagoas costeiras caracterizam-se por uma precipitação média anual não superior a 200 mm, com períodos de seca completa. A lagoa de La Paz é uma massa de água hipersalina, a granulometria da costa é considerada arenosa e a do fundo lamacento/lamítica, e a sua profundidade varia entre 2 e 8m. O conhecimento do estado actual dos peixes da lagoa não está actualizado, uma vez que o trabalho mais recente data de 2000. O objetivo foi determinar a diversidade funcional da comunidade de peixes associada a fundos moles, considerando sua distribuição espacial e temporal, usando descritores como o Alfa de Fischer, Índice de Margalef e diversidade funcional, bem como determinar a relação com parâmetros físico-químicos (temperatura, salinidade e oxigênio dissolvido) e suas afinidades zoogeográficas. A incorporação de índices de diversidade funcional como FEve, FRic, FDiv, FDis, nos permitirá avaliar a ictiofauna sob a perspectiva da ecologia funcional.

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