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Marqueurs chimiques et isotopiques (dans le bois) de la ... - Inra

Marqueurs chimiques et isotopiques (dans le bois) de la ... - Inra

Marqueurs chimiques et isotopiques (dans le bois) de la ... - Inra

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d 15 N <strong>bois</strong> = f(lumière,…)<br />

P<strong>la</strong>ntations Pinus pinaster - 1965-1970<br />

(Perth)<br />

Augmentation <strong>de</strong> <strong>la</strong> nitrification<br />

<strong>et</strong> <strong>de</strong> <strong>la</strong> lixiviation <strong>de</strong>s nitrates<br />

Détection a posteriori <strong>de</strong> l’évènement<br />

malgré <strong>la</strong> mobilité <strong>de</strong> N<br />

Etu<strong>de</strong> (d 15 N <strong>dans</strong> <strong>le</strong> <strong>bois</strong>) en cours<br />

sur chênes sessi<strong>le</strong>s croissant sur<br />

anciens TSF.<br />

(difficulté <strong>de</strong> mesure)<br />

Stock <strong>et</strong> al. 2012 FEM<br />

N=3<br />

N=3<br />

~ 2000 s.ha -1 ~ 200 s.ha -1

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