Teneurs en hormones dans les tissus des organes aériens de &lt;i&gt;Faidherbia albida&lt;/i&gt; (Del) A. Chevalier en saison pluvieuse

Nanema, SL; Nana, Rasmata; Badiel, Badoua; Konate, B; Nguinambaye, MM; Tamini, Z

doi:10.4314/ijbcs.v9i3.33

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“…Other studies have also focused on the diversity and structure of this species in these parklands (Ouédraogo 1996, Depommier 1998 and have reported on their ageing. In addition, more recent studies have focused on phenology (Nanéma et al 2015, Nanéma et al 2016) and on the regeneration of F. albida parkland species (Traoré et al 2020), which have reported a disruption of parkland regeneration dynamics. However, the majority of these studies concerned restricted ecological zones and do not provide precise information on scale of three climatic zones.…”

Section: Introductionmentioning

confidence: 99%

“…However, the majority of these studies concerned restricted ecological zones and do not provide precise information on scale of three climatic zones. Moreover, in recent decades, F. albida parklands as a whole have been declining due to climatic variability and anthropogenic factors that have made regeneration difficult (Nanéma et al 2015). Indeed, demographic growth and the search for fertile land by local populations lead to agricultural overexploitation and overgrazing of parklands without any fallowing.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Climatic Gradient on Species Diversity and Structure of Faidherbia Albida Parkland in Burkina Faso (West Africa)

Traore

Zaré

Bondé

et al. 2021

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Background: Faidherbia albida parkland provide many ecosystem goods and services to people, ranging from provisioning to regulating services. Despite this importance, these parks are degraded due to overexploitation, which is accentuated by the adverse effects of climate change. In this context of climate change, little information exists on the state of these F. albida parkland, particularly their diversity and structure along the North-South climatic gradient. This study aims to determine the effect of climatic gradient of F. albida parklands in order to provide updated data for sustainable management. Floristic diversity and population structure were assessed through forest inventories in the three climatic zones of Burkina Faso. Thus, 99 circular plots of 1 ha were sampled in three zones, including 33 per climatic zone. The data processing concerned the calculation of diversity indices (Shannon, Piélou equitability, and species richness), importance value indices, and the calculation of the means of the dendrometric parameters. The analyses were based on the comparison of medians using the Kruskal-wallis test, and the effect of the climatic gradient on the different variables was tested using generalized linear models. All of these analyses were carried out using the R.4.0.5 software. Results: The dendrometric parameters and floristic diversity vary significantly (Pv˂0.05) according of climatic zone. Furthermore, based on ecological importance value indices and diameter class structure, the majority of dominant species (11) show a regressive dynamic in all three climatic zones characterized by abundance of old individuals at expense of young ones. This reflects an ageing and continuous destruction of these parklands. However, species such as V. tortilis (Sahelian zone) and A. indica (Sudano-Sahelian and Sudanian zones) show good dynamics. As for F. albida, its structure is regressive in all climatic zones.Conclusion: Although the climatic gradient has a significant effect on the diversity and species structure of F. albida parkland, their current dynamics are thought to be due to unsustainable management of local populations.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Climatic Gradient on Species Diversity and Structure of Faidherbia Albida Parkland in Burkina Faso (West Africa)

Traore

Zaré

Bondé

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

Teneurs en hormones dans les tissus des organes aériens de <i>Faidherbia albida</i> (Del) A. Chevalier en saison pluvieuse

Abstract: Teneurs en hormones dans les tissus des organes aériens de Faidherbia albida (Del) A. Chevalier en saison pluvieuse

Cited by 1 publication

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Effect of Climatic Gradient on Species Diversity and Structure of Faidherbia Albida Parkland in Burkina Faso (West Africa)

Effect of Climatic Gradient on Species Diversity and Structure of Faidherbia Albida Parkland in Burkina Faso (West Africa)

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