Abstract
In Niger in general, and in the Maradi region in particular, actions to restore vegetation cover and degraded land have been carried out for decades. The present study conducted in the Boussaragui region (Maradi region) aims to assess the contribution of RNA in the restoration of woody vegetation in agroforestry parks in village areas. To do this, a forest inventory and dendrometric measurements in 57 plots of 2,500 m² (50 m x 50 m) each from two transects following the four cardinal points, and an analysis of the dynamics of the vegetation cover from aerial photos (Google Earth) were carried out. The data obtained from the vegetation surveys were processed and analyzed using Excel 2016 spreadsheet and SPSS 25.1 software. The results reveal that the local flora contains 30 woody species distributed in 12 families. The best represented families are Mimosaceae (10 species), Caesalpinaceae (4 species) and Combretaceae (3 species) representing respectively 3.83%, 47.50% and 39.54% of the species recorded. The density of adult trees increased from 3 trees/ha (before adoption) to more than 18 trees/ha with the adoption of RNA in the region. The Shannon index (H) is 1.93 bit, highlighting the low diversity of the stand. The values of the Pielou equitability index are between 0.00 and 0.05, implying the regular distribution of individuals of the species. This agroforestry practice has allowed the return of vegetation by improving the woody plant cover. The study contributes to the consolidation of knowledge on RNA in a context of sustainable land management and scientific valorization.
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Claims 9
Claim · model-written summary
The local flora comprised 30 woody species in 12 families.
Verbatim
e0“The results reveal that the local flora contains 30 woody species distributed in 12 families.”
e1“Boussaragui region (Maradi region)”
Claim · model-written summary
The local flora contained 12 families.
Verbatim
e0“The results reveal that the local flora contains 30 woody species distributed in 12 families.”
Claim · model-written summary
Mimosaceae was represented by 10 species.
Verbatim
e0“Mimosaceae (10 species), Caesalpinaceae (4 species) and Combretaceae (3 species)”
Claim · model-written summary
Caesalpinaceae was represented by 4 species.
Verbatim
e0“Mimosaceae (10 species), Caesalpinaceae (4 species) and Combretaceae (3 species)”
Claim · model-written summary
Combretaceae was represented by 3 species.
- Taxon
- CombretaceaeCombretaceaee0
- Outcome
- speciese0
- Value
- 3 speciese0
Verbatim
e0“Mimosaceae (10 species), Caesalpinaceae (4 species) and Combretaceae (3 species)”
Claim · model-written summary
Adult tree density rose from 3 to over 18 trees/ha with assisted regeneration.
Verbatim
e0“The density of adult trees increased from 3 trees/ha (before adoption) to more than 18 trees/ha with the adoption of RNA in the region.”
Claim · model-written summary
Shannon diversity was 1.93 bit and characterized as low.
Verbatim
e0“The Shannon index (H) is 1.93 bit, highlighting the low diversity of the stand.”
e1“restoration of woody vegetation in agroforestry parks”
Claim · model-written summary
Pielou evenness ranged from 0.00 to 0.05.
Verbatim
e0“The values of the Pielou equitability index are between 0.00 and 0.05, implying the regular distribution of individuals of the species.”
e1“restoration of woody vegetation in agroforestry parks”
Claim · model-written summary
Assisted natural regeneration improved woody plant cover.
Not reportedComparator
Verbatim
e0“This agroforestry practice has allowed the return of vegetation by improving the woody plant cover.”