Biomonitoraggio dell’inquinamento da metalli da parte dei muschi

Biomonitoraggio dell’inquinamento da metalli da parte dei muschi

Hana Bouzahouane / Khaoula Menaiaia

85,39 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Ecología, la biosfera
ISBN:
9786208786571
85,39 €
IVA incluido
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L’inquinamento atmosferico causato dalle attività umane ha gravi conseguenze per gli ecosistemi e la salute umana. Infatti, questi elementi, non biodegradabili in natura, sono altamente tossici per l’ambiente e possono essere coinvolti in molte malattie Leucodon sciuroides L., una specie di pirofita che funge da bioindicatore per la regione di Souk Ahras, è ben adattata a condizioni ambientali difficili e ha caratteristiche di accumulo di metalli pesanti. In questo contesto, abbiamo valutato la risposta antiossidativa di L. sciuroides in relazione all’esposizione ai metalli pesanti, trattata in idroponica con 4000,2000,10 e 1 mg/ml e 400,200,20 e 2 mg/ml di due metalli pesanti: zinco e rame, per 2,4,6 e 8 giorni.L’analisi statistica dei risultati ottenuti mostra differenze significative tra i campioni trattati e i controlli per la maggior parte dei parametri studiati, con un aumento del contenuto di pigmenti clorofilliani (a, b, a+b) accompagnato da un aumento del contenuto di proteine totali e zuccheri solubili, con una riduzione del contenuto di prolina. Una deplezione dei livelli di GSH all’inizio del trattamento, senza una notevole attività dei biomarcatori enzimatici (CAT e APX) che riflette l’elevata tolleranza.

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