[ Discrimination et caractérisation des stades de la reconstitution post-culturale: Cas du secteur sub-soudanais ivoirien, Département de Dianra, Nord-ouest de la Côte d’Ivoire ]
Volume 40, Issue 3, September 2023, Pages 582–592
N’Guessan Olivier Yao1, GOULI GNANAZAN Zinsi Roseline2, Anny Estelle N’Guessan3, Mamadou SANGARE4, and Kouakou Edouard N'GUESSAN5
1 Laboratoire des Systématiques Herbiers et Musée botanique, UFR Biosciences, Université Félix Houphouët-Boigny, Abidjan, Côte d’Ivoire
2 UFR Biosciences, Laboratory of botany, University Félix Houphouët-Boigny, Cocody (Abidjan), 22 BP 582 Abidjan 22, Côte d'Ivoire
3 Laboratoire des Milieux naturels et Conservation de la Biodiversité, UFR Biosciences, Université Félix Houphouët-Boigny, Abidjan, Côte d’Ivoire
4 SOciété de DEveloppement des FORêts (SODEFOR), Côte d'Ivoire
5 Laboratoire de Botanique, UFR Biosciences, Université Félix Houphouët-Boigny, 22 BP 582 Abidjan 22, Côte d'Ivoire, Côte d'Ivoire
Original language: French
Copyright © 2023 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The present study aims to improve knowledge of the resilience of post-cultivation vegetation in the Ivorian sub-Sudanese sector by discriminating the stages of post-cultivation reconstitution and characterising these stages using the structural attributes and functional traits of the species. To this end, 4 groups corresponding to the different stages of reconstitution were identified. These stages are divided into three groups according to their characteristics. Stage_1 is characterised by SudanoZambézian (SZ) and introduced (i) species, generally hemicryptophyte-pyrophytic and chamaephytes that spread by anemochory and barochory. Stage_2 is characterised by Guinean-Congolian and Sudano-Zambézian transition species and Sudano-Zambézian species. They are therophytes and nanophanerophytes, anemochores with small leaves (nanophyll, leptophyll and microphyll). Stages 3 and 4 share the same characteristics. They are characterised by GC species, which are generally large (mesophanerophytes and megaphanerophytes) as well as geophytes, which have large leaves (megaphyll) and spread by zoochory (epizoochory and endozoochory). In short, post-cultivation reconstitution takes place in four stages. These stages are divided into four groups according to their characteristics. Depending on the maturity gradient, these stages are marked by a transition from savannah species, herbaceous species with small leaves and anemochorous spread, to forest species, large species with large leaves and zoochorous spread.
Author Keywords: Post-cultivation resilience, Characterisation, Dynamics, Sub-Sudanese, Ivory Coast.
Volume 40, Issue 3, September 2023, Pages 582–592
N’Guessan Olivier Yao1, GOULI GNANAZAN Zinsi Roseline2, Anny Estelle N’Guessan3, Mamadou SANGARE4, and Kouakou Edouard N'GUESSAN5
1 Laboratoire des Systématiques Herbiers et Musée botanique, UFR Biosciences, Université Félix Houphouët-Boigny, Abidjan, Côte d’Ivoire
2 UFR Biosciences, Laboratory of botany, University Félix Houphouët-Boigny, Cocody (Abidjan), 22 BP 582 Abidjan 22, Côte d'Ivoire
3 Laboratoire des Milieux naturels et Conservation de la Biodiversité, UFR Biosciences, Université Félix Houphouët-Boigny, Abidjan, Côte d’Ivoire
4 SOciété de DEveloppement des FORêts (SODEFOR), Côte d'Ivoire
5 Laboratoire de Botanique, UFR Biosciences, Université Félix Houphouët-Boigny, 22 BP 582 Abidjan 22, Côte d'Ivoire, Côte d'Ivoire
Original language: French
Copyright © 2023 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The present study aims to improve knowledge of the resilience of post-cultivation vegetation in the Ivorian sub-Sudanese sector by discriminating the stages of post-cultivation reconstitution and characterising these stages using the structural attributes and functional traits of the species. To this end, 4 groups corresponding to the different stages of reconstitution were identified. These stages are divided into three groups according to their characteristics. Stage_1 is characterised by SudanoZambézian (SZ) and introduced (i) species, generally hemicryptophyte-pyrophytic and chamaephytes that spread by anemochory and barochory. Stage_2 is characterised by Guinean-Congolian and Sudano-Zambézian transition species and Sudano-Zambézian species. They are therophytes and nanophanerophytes, anemochores with small leaves (nanophyll, leptophyll and microphyll). Stages 3 and 4 share the same characteristics. They are characterised by GC species, which are generally large (mesophanerophytes and megaphanerophytes) as well as geophytes, which have large leaves (megaphyll) and spread by zoochory (epizoochory and endozoochory). In short, post-cultivation reconstitution takes place in four stages. These stages are divided into four groups according to their characteristics. Depending on the maturity gradient, these stages are marked by a transition from savannah species, herbaceous species with small leaves and anemochorous spread, to forest species, large species with large leaves and zoochorous spread.
Author Keywords: Post-cultivation resilience, Characterisation, Dynamics, Sub-Sudanese, Ivory Coast.
Abstract: (french)
La présente étude vise à améliorer les connaissances sur la résilience de la végétation post-culturale du secteur sub-soudanais ivoirien par la discrimination des stades de la reconstitution post-culturale et la caractérisation de ces stades en utilisant les attributs structurels et les traits fonctionnels des espèces. A cet effet, 4 groupes correspondant aux différents stades de la reconstitution ont été discriminés. Ces stades se regroupent en trois groupes en fonction de leurs caractéristiques. Le stade_1 est caractérisé par les espèces soudano-zambézienne (SZ) et introduites (i), généralement des hémicryptophyte-pyrophytiques et des chaméphytes se disséminent par anémochorie et barochorie. Le stade_2 caractérisé par les espèces de transition Guinéo-congolaise et Soudano-Zambézienne et des espèces Soudano-Zambéziennes. Elles sont des thérophytes et des nanophanérophytes, anémochores à petites feuilles (nanophylle, leptophylle et microphylle). Les stades 3 et 4 partagent les mêmes caractéristiques. Ils sont caractérisés par les espèces GC, généralement de grande taille (mésophanérophytes et mégaphanérophytes) ainsi que des géophytes, disposant de feuilles de grande taille (mégaphylle) et qui se disséminent par zoochorie (épizoochorie et endozoochorie). En somme, La reconstitution post-culturale se fait en quatre stades. Ces stades se répartissent en quatre groupes en fonction de leurs caractéristiques. Ces stades sont marqués, suivant le gradient de maturité, par un passage des espèces savanicoles, herbacés de petites feuilles, à dissémination anémochore aux espèces forestières, de grande taille, avec de grandes feuilles et à dissémination zoochore.
Author Keywords: Résilience post-culturale, Caractérisation, Dynamique, Sub-soudanais, Côte d’Ivoire.
How to Cite this Article
N’Guessan Olivier Yao, GOULI GNANAZAN Zinsi Roseline, Anny Estelle N’Guessan, Mamadou SANGARE, and Kouakou Edouard N'GUESSAN, “Discrimination and characterisation of the stages of post-cultivation reconstitution: The case of the Ivorian sub-Sudanese sector, Dianra Department, North-West Côte d’Ivoire,” International Journal of Innovation and Applied Studies, vol. 40, no. 3, pp. 582–592, September 2023.
