Tougiani Amadou Abasse

Tougiani Amadou Abasse
National Institute of Agricultural Research, Niger | INRAN · Natural Resources Management

Ph.D

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80
Publications
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Publications

Publications (80)
Article
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L’utilisation des organes des arbres dans l’alimentation et la santé animale prend de l’ampleur dans les terroirs villageois du centre-sud du Niger. Ces services écosystémiques sont souvent assurés par les espèces ligneuses de la régénération naturelle assistée (RNA). L’objectif de cette étude était d’appréhender les connaissances locales sur la di...
Article
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Forests have always been a source of wood, food, and medicine for the rural populations of the Sahel. Anthropogenic and animal pressures often lead to low tree recruitment rates and seedling survival. Under certain conditions, multipurpose species such as Balanites aegyptiaca have shown dramatic decreases in population numbers. The objective of the...
Article
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The role of urban trees in the climate change discourse is not well articulated due to limited data. Understanding the factors that influence the role of urban forests and their species in carbon storage, an important issue in climate change will be essential in this respect. Arguing that multipurpose trees are likely to be preferred in urban fores...
Technical Report
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Pays sahélien, le Niger a un climat qui se caractérise par une grande variabilité interannuelle de la pluviométrie, se traduisant par des années sèches récurrentes depuis 1968 (PANA, 2006). Ces phénomènes qui s’expliquent en partie par le phénomène du changement climatique impactent négativement la production agricole, compromettant ainsi, les effo...
Article
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Tree/shrub species are used in farmer fields of sahelian agroforestry parklands to conserve and restore degraded lands, improve soil fertility and increase crop yield. A field study was conducted to investigate the effect of five tree species (Annona senegalensis, Balanites aegyptiaca, Faidherbia albida, Guiera senegalensis and Piliostigma reticula...
Article
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Climate change and variability are significant challenges for the environment and food security worldwide. Development strategies focusing simultaneously on adaptive farming, productivity, and reducing greenhouse gas (GHG) emissions-known as climate-smart agriculture (CSA) strategies-are key to responding to these challenges. For almost a decade, w...
Article
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Faidherbiaalbida is an agroforestry tree species playing important agroecological and socioeconomic roles in arid and semiarid zones in Africa. For many years, anthropogenic and abiotic stresses were considered as the main threats for the species in West African parkland agroforests. Considerable dieback has recently occurred in F. albida trees of...
Chapter
Loss of native tree species constitutes a major socioeconomic and ecological problem. Nevertheless, there is scanty data on the role of Sahelian cities in native woody species conservation and climate change mitigation. This study tried to determine the native woody diversity, structure, and carbon stocks in Niamey, and Maradi, Niger. The study use...
Article
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Urbanization in the Sahel is constantly competing with and greatly affecting the woody flora in urban areas. Urbanization can replace the species mix, leading to changes in plant community composition; however, there are limited studies that assess these attributes in Sahelian cities. This study assessed urban forests in Niamey and Maradi, two impo...
Article
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Résumé Les espèces ligneuses jouent un rôle important dans la vie des populations locales. Parmi les espèces couramment utilisées au Niger figurent Balanites aegyptiaca et Ziziphus mauritiana. Ces deux espèces sont exploitées comme sources alimentaires et pour divers produits médicinaux, avec comme conséquence une réduction de leurs peuplements. La...
Article
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Article
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Jatropha curcas is a tree species introduced in Niger as a trial experiment to offset land degradation and for biofuel production. The objective of this study is to contribute to the understanding of this species’ potential for adaptation under the edaphic and climatic conditions of Niger through analysis and modeling of the leaf area dynamics. The...
Article
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L'objectif de cette étude est d'identifier les savoirs endogènes qui favorisent la pratique de la régénération naturelle assistée (RNA) en zone sahélienne stricte, sahélo-soudanienne et nord-soudanienne du centre-sud du Niger. La méthode d'enquête a été utilisée auprès de 240 pratiquants de la RNA répartis dans 24 villages. Les questions posées son...
Article
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Multi-purpose Australian Acacias have the potential to form an integral component of Agricultural systems in the Sahelian zone of West Africa. More that a decade of research and domestication has identified well adapted species such as Acacia colei, A. torulosa, A. tumida and A. elachantha. These perennial species grow rapidly, are well adapted to...
Article
Full-text available
Les espèces ligneuses jouent un rôle important dans la vie des populations locales. Parmi les espèces couramment utilisées au Niger figurent Balanites aegyptiaca et Ziziphus mauritiana. Ces deux espèces sont exploitées comme sources alimentaires et pour divers produits médicinaux, avec comme conséquence une réduction de leurs peuplements. La présen...
Article
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Cities play a major role in woody biodiversity conservation. Nevertheless, there is a lack of data on the woody floristic composition and structure of urban forests in the Sahel region. The objective of this study was to determine the woody floristic list and structural characteristics of urban forests in Niamey and Maradi cities across land use an...
Chapter
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Agroforestry parklands are the predominant agro-ecosystems in West Africa, where Prosopis africana and Faidherbia albida are among the key species. While these trees are resistant to external stress, their growth and regeneration depends strongly on local conditions. Meanwhile, the use of dendrochronology for characterizing tree growth and wood ana...
Article
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L'objectif de cette étude est de déterminer les indicateurs phytoécologiques et d'analyser la diversité floristique des espèces ligneuses suivant un gradient climatique. Ce travail a été conduit dans la région de Maradi. Dans l'ensemble 60 relevés ont été effectués dans des placettes de 2500 m 2 dans deux secteurs agroécologiques. Dans chaque place...
Article
Full-text available
L’objectif de cette étude est de déterminer les indicateurs phytoécologiques et d’analyser la diversité floristique des espèces ligneuses suivant un gradient climatique. Ce travail a été conduit dans la région de Maradi. Dans l’ensemble 60 relevés ont été effectués dans des placettes de 2500 m2 dans deux secteurs agroécologiques. Dans chaque placet...
Article
Full-text available
L'objectif de cette étude est de déterminer les indicateurs phytoécologiques et d'analyser la diversité floristique des espèces ligneuses suivant un gradient climatique. Ce travail a été conduit dans la région de Maradi. Dans l'ensemble 60 relevés ont été effectués dans des placettes de 2500 m 2 dans deux secteurs agroécologiques. Dans chaque place...
Article
Full-text available
Cette étude porte sur la perception locale de la dynamique du paysage de la réserve partielle de faune de Dosso, son impact sur la composition de la faune ainsi que les causes à l'origine de cette dynamique il y a exactement 40 ans, 20 ans et actuellement. Pour se faire, des enquêtes ont été conduites dans 46 villages de la réserve. Le logiciel SPS...
Article
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Maintaining the economic, ecological and social services provided by the oases and the valley ecosystems of Aϊr, in the northern part of Niger, is important for local communities. The purpose of this study is to evaluate the supply and regulation services provided by these ecosystems through wood energy and carbon sequestration. Semi-structured sur...
Article
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Au Sahel, l’oseille est cultivée pour ses feuilles, ses graines et ses calices qui constituent une source de revenu pour les producteurs. Les essais ont été conduits dans les stations de recherche de l’Institut National de la Recherche Agronomique (INRAN) de Tara/Gaya et Tarna/Maradi au Niger au cours des saisons de pluies 2015 et 2016 pour étudie...
Article
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Soil sampling was conducted in a semi-arid region of Niger to study the long-term differential impacts of trees and shrubs on soil chemical properties. The sampling considered three factors: species, position to trunk (underneath crown, crown neighborhood, control) and soil horizon depth. Two shrub species (Annona senegalensis and Combretum aculeat...
Article
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Some tree improvement programs in Africa use nursery tests to investigate genetic and geographic variation in growth, but do they lead to the same conclusions as field tests? We investigated this question using provenance/progeny tests (12 provenances, 108 families) of Balanites aegyptiaca from semi-arid Niger. The nursery test included treatments...
Article
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Millet yields are highly variable even within the same farm in the Sahel. A conceptual model of the phenomenon was designed and quantitative analysis of key relationships was conducted based on the available published studies. We found that the high spatial variability of millet yield is due to two main edaphic factors: soil fertility properties an...
Article
The need for sustainable cities under a changing climate calls for intensive research on the role of urban forests in climate change mitigation. This study estimated the carbon stocks and carbon emission factors in Niamey and Maradi. Stratified random sampling approach was used for the urban forests inventory. Biomass was estimated using the genera...
Article
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Climate change affects seriously household food security, especially in sub-Saharan Africa where agriculture is still using traditional methods of farming systems. As strategies against the impact of climate change and way to increase agricultural production, several Climate-Smart Agriculture (CSA) technologies and practices were introduced and exp...
Article
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RESUME La Réserve Partielle de Faune de Dosso est une aire protégée à statut de zone tampon du parc national du W du Niger. De sa création (1962) à aujourd'hui, la réserve est devenue l'espace d'accueil des réfugiés écologiques (migrants agricoles et éleveurs peulhs) du Niger et des pays limitrophes. Une destruction massive de son potentiel ligneu...
Poster
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Le poster présente l'amélioration de la production du mil sous l'action combinée de la pratique de la Régénération Naturelle Assistée (RNA) et d'apport des fertilisants.
Article
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Urban trees play a crucial role in carbon offset. Nevertheless, much attention has been focused on natural trees role in atmospheric carbon reduction. Specifically, in Niger, the estimation of carbon stock of urban trees remains unexplored areas for climate change mitigation. The objective of the paper was to estimate carbon stock of Azadirachta in...
Article
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There is little information about variation in growth, wood density and carbon concentration in native tree and shrub species in Africa. This information is needed to make realistic projections about carbon sequestration of different species in different environments. Farmers manage natural regeneration of many native species in the drylands of Nig...
Article
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Natural resources play a crucial role in terms of socioeconomic life of people, especially in rural areas. In order to improve the living conditions of these populations, agro-forestry initiatives have been undertaken. In Niger, techniques of domestication of different agro forestry species have been undertaken, including cultivation of the jujube...
Article
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This study aims to establish the phenological performance of five (5) improved cultivars of the jujube tree Ziziphus mauritiana Lam. Introduced in Niger. Leaf growth, opening and abortion of flowers and fruit dynamics were monitored under an experimental design consisting of two lines of each variety and each line is consisting of 19 tree plants an...
Article
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Information about farmers' perceptions of climate change and their adaptation strategies is needed for developing regional climate change adaptation plans for rural areas. This study was conducted in rural communities in the semi-arid Fakara region of Niger. The objectives were to identify the major effects of climate change and their impacts on th...
Article
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Information about variation and correlations of fuelwood properties and growth is needed in order to recommend species and sites for fuelwood production in a changing climate in Africa. We investigated the effects of site variables (land use, soil, terrain), geographical coordinates, and mean annual rainfall on fuelwood properties (volatile matter,...
Chapter
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This chapter focuses on the evaluation of adaptive capacities of community-level human systems related to agriculture and food security. It highlights findings regarding approaches and domains to monitor and evaluate behavioral changes from CGIAR’s research program on climate change, agriculture and food security (CCAFS). This program, implemented...
Article
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p class="1Body">Western Niger lateritic plateaux formally occupied by tiger bush are mainly secondary ecosystems affected by crusting and soil compaction that impedes infiltration and induces intense erosion, which hampered lowlands millet fields. Restoration of these plateaux is essential, but, failure is frequently reported about early species es...
Article
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All parts of Prosopis africana are used by rural people in Niger, and this exposes it to degradation and a regeneration problems. The objective of this study was to determine the structure and regeneration of P. africana stands in the southern regions of Maradi and Zinder, Niger. Data were collected in plots, following transects after stratified sa...
Article
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We assessed a restoration treatment (planting tree seedlings and sowing grass seeds as nurse plants in water-harvesting half-moon pits) on degraded, compacted soils with surface crusts in Niger. Height and above-ground biomass of herbaceous plant species, tree stem circumference, and relative cover of erosive crust, gravel crust, bare ground, rock,...