Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration
In New Caledonia, nickel mining activities have drastic impacts on a rich but particularly fragile environment. Mining companies are more and more concerned with the need to restore the degraded sites, in adverse edaphic conditions. Symbioses, both nitrogen-fixing and mycorrhizal, are known to play key roles in these processes in allowing the plant nutrition with major elements like N and P, in facilitating access and use of water, in stabilizing the soils through hyphal mats and possibly buffering metal toxicity. Over 30 years of field trials, a range of plants species have been identified as good candidates for revegetalisation and ecological restoration. About 38 genera, from 20 botanical families have thus been identified by Jaffré and Pelletier (1992). To optimise the use of these plants in ecological restoration, we explored their mycorrhizal status within their natural ecosystems and characterized their fungal partners. The aim of this work is to present the particular potential of some of the candidate plants in early revegetation steps, in compatibility with their natural environmental conditions. Among the 20 botanical families, almost half (9) have been reported as including ectomycorrhizal species, which is a quite huge rate compared to the rate of ectomycorrhization among plants. For 3 families, no reports have been found on their mycorrhizal status. Arbuscular associations have been reported for 17 families, of which 2 exhibits myconodules. The characteristics of these differents associations will be presented. (Texte intégral)
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Subjects: | P34 - Biologie du sol, P01 - Conservation de la nature et ressources foncières, conservation des sols, symbiose, Mycorhizé, terre abandonnée, écologie, http://aims.fao.org/aos/agrovoc/c_7165, http://aims.fao.org/aos/agrovoc/c_7563, http://aims.fao.org/aos/agrovoc/c_5023, http://aims.fao.org/aos/agrovoc/c_6, http://aims.fao.org/aos/agrovoc/c_2467, http://aims.fao.org/aos/agrovoc/c_5155, http://aims.fao.org/aos/agrovoc/c_3081, |
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dig-cirad-fr-5360162024-01-28T15:00:38Z http://agritrop.cirad.fr/536016/ http://agritrop.cirad.fr/536016/ Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration. Prin Yves, Ducousso Marc, Perrier N., Jaffré Tanguy, Dumontet Vincent, Rigault Frédéric, Contesto Céline, Bonnan S., Cossegal Magalie, Amir Hamid, Nourissier-Mountou Sophie, Boucher M., Colin François, Dreyfus Bernard. 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, 20. International Meeting on Preservation and Ecological Restoration in Tropical Mining Environments, Nouméa, Nouvelle-Calédonie, 15 Juillet 2003/20 Juillet 2003. Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration Prin, Yves Ducousso, Marc Perrier, N. Jaffré, Tanguy Dumontet, Vincent Rigault, Frédéric Contesto, Céline Bonnan, S. Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Boucher, M. Colin, François Dreyfus, Bernard 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 conservation des sols symbiose Mycorhizé terre abandonnée écologie http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_2467 Nouvelle-Calédonie France http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 In New Caledonia, nickel mining activities have drastic impacts on a rich but particularly fragile environment. Mining companies are more and more concerned with the need to restore the degraded sites, in adverse edaphic conditions. Symbioses, both nitrogen-fixing and mycorrhizal, are known to play key roles in these processes in allowing the plant nutrition with major elements like N and P, in facilitating access and use of water, in stabilizing the soils through hyphal mats and possibly buffering metal toxicity. Over 30 years of field trials, a range of plants species have been identified as good candidates for revegetalisation and ecological restoration. About 38 genera, from 20 botanical families have thus been identified by Jaffré and Pelletier (1992). To optimise the use of these plants in ecological restoration, we explored their mycorrhizal status within their natural ecosystems and characterized their fungal partners. The aim of this work is to present the particular potential of some of the candidate plants in early revegetation steps, in compatibility with their natural environmental conditions. Among the 20 botanical families, almost half (9) have been reported as including ectomycorrhizal species, which is a quite huge rate compared to the rate of ectomycorrhization among plants. For 3 families, no reports have been found on their mycorrhizal status. Arbuscular associations have been reported for 17 families, of which 2 exhibits myconodules. The characteristics of these differents associations will be presented. (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=194992 |
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P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières conservation des sols symbiose Mycorhizé terre abandonnée écologie http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_2467 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 conservation des sols symbiose Mycorhizé terre abandonnée écologie http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_2467 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 |
spellingShingle |
P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières conservation des sols symbiose Mycorhizé terre abandonnée écologie http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_2467 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 conservation des sols symbiose Mycorhizé terre abandonnée écologie http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_2467 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 Prin, Yves Ducousso, Marc Perrier, N. Jaffré, Tanguy Dumontet, Vincent Rigault, Frédéric Contesto, Céline Bonnan, S. Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Boucher, M. Colin, François Dreyfus, Bernard Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration |
description |
In New Caledonia, nickel mining activities have drastic impacts on a rich but particularly fragile environment. Mining companies are more and more concerned with the need to restore the degraded sites, in adverse edaphic conditions. Symbioses, both nitrogen-fixing and mycorrhizal, are known to play key roles in these processes in allowing the plant nutrition with major elements like N and P, in facilitating access and use of water, in stabilizing the soils through hyphal mats and possibly buffering metal toxicity. Over 30 years of field trials, a range of plants species have been identified as good candidates for revegetalisation and ecological restoration. About 38 genera, from 20 botanical families have thus been identified by Jaffré and Pelletier (1992). To optimise the use of these plants in ecological restoration, we explored their mycorrhizal status within their natural ecosystems and characterized their fungal partners. The aim of this work is to present the particular potential of some of the candidate plants in early revegetation steps, in compatibility with their natural environmental conditions. Among the 20 botanical families, almost half (9) have been reported as including ectomycorrhizal species, which is a quite huge rate compared to the rate of ectomycorrhization among plants. For 3 families, no reports have been found on their mycorrhizal status. Arbuscular associations have been reported for 17 families, of which 2 exhibits myconodules. The characteristics of these differents associations will be presented. (Texte intégral) |
format |
conference_item |
topic_facet |
P34 - Biologie du sol P01 - Conservation de la nature et ressources foncières conservation des sols symbiose Mycorhizé terre abandonnée écologie http://aims.fao.org/aos/agrovoc/c_7165 http://aims.fao.org/aos/agrovoc/c_7563 http://aims.fao.org/aos/agrovoc/c_5023 http://aims.fao.org/aos/agrovoc/c_6 http://aims.fao.org/aos/agrovoc/c_2467 http://aims.fao.org/aos/agrovoc/c_5155 http://aims.fao.org/aos/agrovoc/c_3081 |
author |
Prin, Yves Ducousso, Marc Perrier, N. Jaffré, Tanguy Dumontet, Vincent Rigault, Frédéric Contesto, Céline Bonnan, S. Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Boucher, M. Colin, François Dreyfus, Bernard |
author_facet |
Prin, Yves Ducousso, Marc Perrier, N. Jaffré, Tanguy Dumontet, Vincent Rigault, Frédéric Contesto, Céline Bonnan, S. Cossegal, Magalie Amir, Hamid Nourissier-Mountou, Sophie Boucher, M. Colin, François Dreyfus, Bernard |
author_sort |
Prin, Yves |
title |
Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration |
title_short |
Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration |
title_full |
Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration |
title_fullStr |
Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration |
title_full_unstemmed |
Mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration |
title_sort |
mycorrhizal symbioses : their potential for soil rehabillitation and ecological restoration |
publisher |
s.n. |
url |
http://agritrop.cirad.fr/536016/ |
work_keys_str_mv |
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