Le Sentinelle del Wamié

Le Sentinelle del Wamié

Gideon Ajeagah Aghaindum / Samuel Foto Menbohan / Thérèse Inès Bisse Ndiva

72,08 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Biologia, ciencias de la vida
ISBN:
9786630207521
72,08 €
IVA incluido
Disponible

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Da maggio a ottobre 2020 è stato condotto uno studio volto a determinare la composizione della popolazione dei macroinvertebrati bentonici del corso d’acqua Wamie a Kribi, nella regione meridionale del Camerun, al fine di valutarne lo stato di salute ecologica. I campionamenti sono stati effettuati con cadenza mensile. Le variabili fisico-chimiche sono state analizzate secondo le raccomandazioni dell’APHA e di Rodier. Il campionamento dei macroinvertebrati bentonici è stato effettuato secondo l’approccio multihabitat. I risultati delle analisi idrologiche indicano che la pendenza e la velocità delle acque variano da una stazione all’altra e che la larghezza dell’alveo aumenta da monte verso valle. Le analisi fisico-chimiche rivelano un ottimo livello di ossigenazione delle acque, una leggera acidità (6,12 ± 0,19 UC) e una temperatura che varia molto poco da un mese all’altro (26,69 ± 0,35 °C). Queste acque sono inoltre povere di sostanze organiche ossidabili e di composti azotati. I valori molto bassi dell’indice di inquinamento organico (IPO) registrati testimoniano la scarsa antropizzazione dell’ambiente, dimostrando così che le acque del corso d’acqua Wamie sono poco perturbate e quindi di qualità ecologica piuttosto buona.

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