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Effet de la Pollution Minière Sur l'Arganier
Paperback
Series: Omn.Pres.Franc.
Literary CriticismEnvironmental Studies
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ISBN10: 3838176901
ISBN13: 9783838176901
Publisher: Omniscriptum
Published: Feb 28 2018
Pages: 88
Weight: 0.31
Height: 0.21 Width: 5.98 Depth: 9.02
Language: French
ISBN13: 9783838176901
Publisher: Omniscriptum
Published: Feb 28 2018
Pages: 88
Weight: 0.31
Height: 0.21 Width: 5.98 Depth: 9.02
Language: French
Les études qui ont menées sur l'arganier ont pu toucher une gamme étendue de ces différents aspects. Cependant les études concernant la réponse adaptative de cet arbre vis à vis des conditions extrèmes, surtout la pollution minière, sont rares et fragmentaires. Ainsi, nous avons jugé important d'étudier l'impact de la pollution minière sur l'arganier et de comprendre la nature de la réponse de celui-ci dans un environnement pollué. En effet, pour s'adapter à ces conditions difficiles, l'arganier augmenterait la densité des stomates en réduisant leur largeur et leur longueur. L'étude phytochimique a montré que les principaux métabolites secondaires existant chez l'arganier sont les flavonoïdes. Signalons que les plantes réagissent aux agressions de l'environnement (pollution minière) en augmentant leur taux de polyphénols. Quant à l'étude anatomique de l'appareil végétatif de l'arganier, elle a montré une structure typique de Dicotylédones et de la famille des Sapotacées.
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