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La carpa specchiata nel bacino di Bou Hertma, Tunisia

La carpa specchiata nel bacino di Bou Hertma, Tunisia

Sana Skhiri

100,16 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Ecología, la biosfera
ISBN:
9786630136517
100,16 €
IVA incluido
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Il presente studio costituisce un lavoro originale sull’eco-biologia di una specie ittica d’acqua dolce introdotta: la carpa specchiata (Cyprinus carpio specularis Lacépède, 1803) nel bacino della diga di Bou Hertma. Questa varietà ha trovato negli ecosistemi limnici tunisini condizioni favorevoli alla propria proliferazione e occupa il secondo posto dopo il cefalo, con una produzione totale significativa (29,84 %). L’ecosistema della diga di Bou Hertma è caratterizzato da una scarsa variazione spazio-temporale di alcuni parametri abiotici, il che conferma la buona qualità ecologica delle sue acque, che sono poco mineralizzate, ben ossigenate, leggermente alcaline, molto dolci, relativamente limpide e non inquinate. Sono state condotte osservazioni morfologiche, anatomiche e biometriche sulla sottospecie Cyprinus carpio specularis. Lo studio sulla fecondità ha dimostrato che questa specie è molto feconda, deponendo fino a 591.221 uova per esemplare di 46,5 cm di lunghezza standard.

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