Unpublished conference/Abstract (Scientific congresses and symposiums)
Using phytostabilisation as a way to conserve threatened endemic species from the Southeastern D.R. Congo
Boisson, Sylvain; Le Stradic, Soizig; Seleck, Maxime et al.
201653rd Annual Meeting of the Association for Tropical Biology and Conservation
 

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Abstract :
[en] Metalliferous outcrops of the southeastern Democratic Republic of Congo are recognized as some of the largest copper-cobalt deposits of the world. They support unique vegetation with around 600 metallophyte species including rare and endemic species. Since 1900s, the exploitation of the Cu-Co outcrops in D.R. Congo has considerably increased, impacting environment and putting public health at risk. Phytostabilisation is a suitable technology to decrease the bioavailability of heavy metals in highly polluted soils. This technic has been successfully implemented in the vicinity of Lubumbashi with the grass Microchloa altera. The long term maintenance of such technic requires a good understanding of the interspecific relationship like competition and facilitation. This study aims to test the success of establishment of four herbaceous species from the southeastern DRC presenting conservation priority and to assess the potential role of M. altera as nurse plant in this context. Two annual species and two perennial species were sown in experimental design with soil amendments crossed with vegetation cover. The emergence, the growth and the survival were followed during the vegetation season and the resprout was measured for perennial species. M. altera had a distinct effect on the emergence and the survival of the annual and perennial species but affected negatively the growth of individuals for all species.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Boisson, Sylvain ;  Université de Liège > Ingénierie des biosystèmes (Biose) > Biodiversité et Paysage
Le Stradic, Soizig ;  Université de Liège > Ingénierie des biosystèmes (Biose) > Biodiversité et Paysage
Seleck, Maxime  ;  Université de Liège > Ingénierie des biosystèmes (Biose) > Biodiversité et Paysage
Collignon, Julien
Garin, Olivier
Ngoy Shutcha, Mylor
Mahy, Grégory ;  Université de Liège > Ingénierie des biosystèmes (Biose) > Biodiversité et Paysage
Language :
English
Title :
Using phytostabilisation as a way to conserve threatened endemic species from the Southeastern D.R. Congo
Publication date :
22 June 2016
Event name :
53rd Annual Meeting of the Association for Tropical Biology and Conservation
Event organizer :
Association for Tropical Biology and Conservation - ATBC
Event place :
Montpellier, France
Event date :
19/06/2016 - 24/06/2016
Audience :
International
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
ULiège - Université de Liège [BE]
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since 23 July 2016

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