Les Sentinelles du Wamié

Les Sentinelles du Wamié

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

72,27 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Biologia, ciencias de la vida
ISBN:
9786630156676
72,27 €
IVA incluido
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Une étude visant à déterminer le peuplement des macroinvertébrés benthiques du cours d’eau Wamie à Kribi dans la région du Sud Cameroun en vue d’évaluer son état de santé écologique a été menée de mai en octobre 2020. Les prélèvements ont été réalisés suivant une fréquence mensuelle. Les variables physicochimiques ont été analysés suivant les recommandations d’APHA et Rodier. L’échantillonnage des macroinvertébrés benthiques a été effectué selon l’approche multihabitat. Les résultats des analyses hydrologiques indiquent que la pente et la vitesse des eaux varient d’une station à une autre et que la largeur du lit augmente de l’amont vers l’aval. Les analyses physicochimiques révèlent une très bonne oxygénation des eaux, une légère acidité (6,12± 0,19 UC) avec une température très peu variable d’un mois à l’autre (26,69 ± 0,35°C). Ces eaux sont également pauvres en matières organiques oxydables et en composés azotés. Les très faibles valeurs de l’indice de pollution organique (IPO) enregistrées, témoignent de la faible anthropisation du milieu, montrant ainsi que les eaux du cours d’eau Wamie sont peu perturbées et donc assez bonne qualité écologique.

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