Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif
The Koniambo Massif located in the north west of New Caledonia, is mainly composed of peridotite and serpentinite. It constitutes a large nickel deposit (NiO 0,1 to 5%) currently prospected by two mining companies (Falconbridge S.A. and SMSP). The main purpose of this study is to identify native plant/fungus couples adapted to ecological restoration issues. The study consists in a toposequencial analysis of the plant formations, formed of endemic species, and the associated ectomycorrhizal fungi, along a gradient. Four plant formations (1 to 4) were identified along the sequence from a talweg (700m) to a plateau (900m). Formation 1 is characterised by a humid dense forest dominated by Nothofagus (Fagaceae) with a high plant and ectomycorrhizal fungus diversity. Formation 2 is characterised by a shrubby maquis dominated by Tristaniopsis calobuxus and T. guillainii (Myrtaceae). For the first time, these species are described as ectomycorrhizal. Moreover, in this maquis the fungal mycelium forms the matrix for the loose iron nodules (1 to 5 mm) forming the soil. Formation 3 is characterised by a sparse herbaceous maquis dominated by Costularia spp. (Cyperaceae) and Codia montan (Cunoniaceae). (Texte intégral)
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Subjects: | P34 - Biologie du sol, P01 - Conservation de la nature et ressources foncières, Nothofagus, Mycorhizé, conservation des sols, terre abandonnée, ectomycorhize, http://aims.fao.org/aos/agrovoc/c_5239, http://aims.fao.org/aos/agrovoc/c_5023, http://aims.fao.org/aos/agrovoc/c_7165, http://aims.fao.org/aos/agrovoc/c_6, http://aims.fao.org/aos/agrovoc/c_35482, http://aims.fao.org/aos/agrovoc/c_5155, http://aims.fao.org/aos/agrovoc/c_3081, |
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dig-cirad-fr-5360202024-01-28T15:00:44Z http://agritrop.cirad.fr/536020/ http://agritrop.cirad.fr/536020/ Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif. Perrier N., Ducousso Marc, Rivière T., Tassin Jacques, Dumontet Vincent, Contesto Céline, Cossegal Magalie, Amir Hamid, Nourissier-Mountou Sophie, Dreyfus Bernard, Colin François, Prin Yves. 2003. In : International Meeting on Preservation and Ecological Restoration in Tropical Mining Environments, abstracts, 15th - 20th Julu 2003, New Caledonia. IAC, IRD, UNC. s.l. : s.n., Résumé, 78. International Meeting on Preservation and Ecological Restoration in Tropical Mining Environments, Nouméa, Nouvelle-Calédonie, 15 Juillet 2003/20 Juillet 2003. Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif Perrier, N. Ducousso, Marc Rivière, T. Tassin, Jacques Dumontet, Vincent Contesto, Céline Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Dreyfus, Bernard Colin, François Prin, Yves eng 2003 s.n. International Meeting on Preservation and Ecological Restoration in Tropical Mining Environments, abstracts, 15th - 20th Julu 2003, New Caledonia P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières Nothofagus Mycorhizé conservation des sols terre abandonnée ectomycorhize http://aims.fao.org/aos/agrovoc/c_5239 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_35482 Nouvelle-Calédonie France http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 The Koniambo Massif located in the north west of New Caledonia, is mainly composed of peridotite and serpentinite. It constitutes a large nickel deposit (NiO 0,1 to 5%) currently prospected by two mining companies (Falconbridge S.A. and SMSP). The main purpose of this study is to identify native plant/fungus couples adapted to ecological restoration issues. The study consists in a toposequencial analysis of the plant formations, formed of endemic species, and the associated ectomycorrhizal fungi, along a gradient. Four plant formations (1 to 4) were identified along the sequence from a talweg (700m) to a plateau (900m). Formation 1 is characterised by a humid dense forest dominated by Nothofagus (Fagaceae) with a high plant and ectomycorrhizal fungus diversity. Formation 2 is characterised by a shrubby maquis dominated by Tristaniopsis calobuxus and T. guillainii (Myrtaceae). For the first time, these species are described as ectomycorrhizal. Moreover, in this maquis the fungal mycelium forms the matrix for the loose iron nodules (1 to 5 mm) forming the soil. Formation 3 is characterised by a sparse herbaceous maquis dominated by Costularia spp. (Cyperaceae) and Codia montan (Cunoniaceae). (Texte intégral) conference_item info:eu-repo/semantics/conferenceObject Conference info:eu-repo/semantics/closedAccess http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=194894 |
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P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières Nothofagus Mycorhizé conservation des sols terre abandonnée ectomycorhize http://aims.fao.org/aos/agrovoc/c_5239 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_35482 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières Nothofagus Mycorhizé conservation des sols terre abandonnée ectomycorhize http://aims.fao.org/aos/agrovoc/c_5239 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_35482 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 |
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P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières Nothofagus Mycorhizé conservation des sols terre abandonnée ectomycorhize http://aims.fao.org/aos/agrovoc/c_5239 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_35482 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières Nothofagus Mycorhizé conservation des sols terre abandonnée ectomycorhize http://aims.fao.org/aos/agrovoc/c_5239 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_35482 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 Perrier, N. Ducousso, Marc Rivière, T. Tassin, Jacques Dumontet, Vincent Contesto, Céline Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Dreyfus, Bernard Colin, François Prin, Yves Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif |
description |
The Koniambo Massif located in the north west of New Caledonia, is mainly composed of peridotite and serpentinite. It constitutes a large nickel deposit (NiO 0,1 to 5%) currently prospected by two mining companies (Falconbridge S.A. and SMSP). The main purpose of this study is to identify native plant/fungus couples adapted to ecological restoration issues. The study consists in a toposequencial analysis of the plant formations, formed of endemic species, and the associated ectomycorrhizal fungi, along a gradient. Four plant formations (1 to 4) were identified along the sequence from a talweg (700m) to a plateau (900m). Formation 1 is characterised by a humid dense forest dominated by Nothofagus (Fagaceae) with a high plant and ectomycorrhizal fungus diversity. Formation 2 is characterised by a shrubby maquis dominated by Tristaniopsis calobuxus and T. guillainii (Myrtaceae). For the first time, these species are described as ectomycorrhizal. Moreover, in this maquis the fungal mycelium forms the matrix for the loose iron nodules (1 to 5 mm) forming the soil. Formation 3 is characterised by a sparse herbaceous maquis dominated by Costularia spp. (Cyperaceae) and Codia montan (Cunoniaceae). (Texte intégral) |
format |
conference_item |
topic_facet |
P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières Nothofagus Mycorhizé conservation des sols terre abandonnée ectomycorhize http://aims.fao.org/aos/agrovoc/c_5239 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_35482 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 |
author |
Perrier, N. Ducousso, Marc Rivière, T. Tassin, Jacques Dumontet, Vincent Contesto, Céline Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Dreyfus, Bernard Colin, François Prin, Yves |
author_facet |
Perrier, N. Ducousso, Marc Rivière, T. Tassin, Jacques Dumontet, Vincent Contesto, Céline Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Dreyfus, Bernard Colin, François Prin, Yves |
author_sort |
Perrier, N. |
title |
Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif |
title_short |
Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif |
title_full |
Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif |
title_fullStr |
Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif |
title_full_unstemmed |
Importance of ectomycorrhizal fungi in ecological restoration of mining sites in New Caledonia, Koniambo Massif |
title_sort |
importance of ectomycorrhizal fungi in ecological restoration of mining sites in new caledonia, koniambo massif |
publisher |
s.n. |
url |
http://agritrop.cirad.fr/536020/ |
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