NDLI: Etude de l'impact du chaulage sur les propriétés physico-chimiques du sol et les cycles biogéochimiques en écosystème forestier

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Etude de l'impact du chaulage sur les propriétés physico-chimiques du sol et les cycles biogéochimiques en écosystème forestier

Content Provider	Semantic Scholar
Author	Laguesse, Matthieu
Copyright Year	2017
Abstract	................................................................................................................................................. III Contexte de l'étude ................................................................................................................................. 1 État de l'art .............................................................................................................................................. 2 1. Le chaulage en milieu forestier ................................................................................................... 2 1.1 État général des forêts ........................................................................................................ 2 1.2 Historique du chaulage ........................................................................................................ 5 1.3 Les effets du chaulage ......................................................................................................... 6 2. Le silicium .................................................................................................................................. 10 2.1 Les formes et le cycle du silicium ...................................................................................... 10 2.2 Le silicium dans les plantes................................................................................................ 14 2.3 Lien entre le chaulage et le silicium .................................................................................. 15 Matériels et méthodes .......................................................................................................................... 17 1. Description du site d'échantillonnage ....................................................................................... 17 2. Historique des parcelles ............................................................................................................ 20 3. Protocole d'échantillonnage ..................................................................................................... 20 4. Analyses des échantillons de sol ............................................................................................... 21 4.1 Détermination du pH ......................................................................................................... 21 4.2 Dosage du carbone organique .......................................................................................... 21 4.3 Dosage des éléments disponibles ..................................................................................... 22 4.4 Détermination de la granulométrie .................................................................................. 22 4.5 Mesure de la capacité d'échange cationique .................................................................... 23 4.6 Détermination du taux de saturation en base .................................................................. 23 4.7 Détermination de l'acidité d'échange ............................................................................... 24 4.8 Dosage de la réserve totale en base (TRB) ........................................................................ 24 4.9 Dosage du silicium ............................................................................................................. 24 5. Analyses des échantillons d'aiguilles ......................................................................................... 25 6. Inventaires forestiers................................................................................................................. 26 7. Analyses phytosociologiques ..................................................................................................... 26 8. Analyses statistiques et logiciels utilisés ................................................................................... 27 Résultats et discussions ......................................................................................................................... 28 1. Évaluation de l'homogénéité pédologique des parcelles .......................................................... 28
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://matheo.uliege.be/bitstream/2268.2/3089/6/Erratum_Memoire_MatthieuLaguesse_s110540.pdf
Alternate Webpage(s)	https://matheo.uliege.be/bitstream/2268.2/3089/5/Memoire_MatthieuLaguesse_s110540.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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