TAILIEUCHUNG - Báo cáo khoa học: "Classification of forest humus forms: a French proposal"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài:"Classification of forest humus forms: a French proposal. | Ann Sci For 1995 52 535-546 Elsevier INRA 535 Original article Classification of forest humus forms a French proposal A Brethes 1 JJ Brun 2 B Jabiol 3 J Ponge 4 F Toutain 5 3 1ONF departement des recherches techniques cite administrative Coligny 131 rue du Faubourg-Bannier 45042 Orleans cedex 2 CEMAGREF domaine universitaire 2 rue de la Papeterie BP 76 38402 Saint-Martin-d Heres cedex 3 ENGREF 14 rue Girardet 54042 Nancy cedex 4 Museum national d histoire naturelie laboratoire d ecologie generate 4 avenue du Petit-Chateau 91800 Brunoy 5 CNRS centre de pédologte biologique BP 5 17 rue Notre-Dame-des-Pauvres 54501 Vandceuvre cedex France Received 2 January 1994 accepted 18 March 1995 Summary A 2-way classification grid and a nomenclature are proposed for French forest humus forms but which could include mountain Mediterranean and tropical forms as well. This proposal takes into account our present knowledge of biological mechanisms that take place in plant litter decomposition transformation of soil organic matter linkage of the latter to mineral particles and building of the structure in the A horizon. Basically by adjoining free qualifiers humus forms may be defined by accounting also for their chemical and physical particularities. humus form I forest I classification nomenclature soil biology Resume La classification des formes d humus forestieres proposition frangaise. Une grille de classification à 2 entrees et une nomenclature sont proposées pour les humus forestters de France mats pouvant s appliquer aussi aux formes d altitude tropicates et méditerranéennes. Cette proposition prend en compte les connaissances actueltes concernant les phénomènes biologiques intervenant dans la decomposition de la littere la transformation de la mattere organique ses liens avec les particutes minerates et la structuration de I horizon A. Par son principe même grace à I adjonction de qualificatifs dont te choix est libre les formes d humus peuvent être précisées quant à teurs .

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