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Water quality in forest and village ponds in Burkina Faso(western Africa)

Journal of Forestry Research 2017年第5期28卷 1039-1048页

作者： Bilass Zongo Frdric Zongo Aboubacar Toguyeni joseph i.boussim Laboratoire de Biologie et Ecologie Vgtales Universit de Ouagadougou Unit de Recherche Aquaculture et Biodiversit Aquatique Laboratoire d'Etude et de Recherche sur les Ressources Naturelles et les Sciences Environnementales Universit Polytechnique de Bobo-Dioulasso

Forest ecosystems help conserve the quality of water resources in aquatic habitats. The conservation of biological diversity in aquatic and terrestrial ecosystems remains a communal concern. Aquatic ecosystems and resources are vulnerable but can be preserved and protected by forests. in sub-Saharan regions of Africa, water from ecosystems such as ponds still play important role in the livelihood of local populations. Water from temporary ponds is used by local populations for multiple needs; however, in this part of the world, the population is increasing, thus increasing human needs and activities and land use in the region. Land-use changes lead to deforestation, land degradation and the decline in freshwater, affecting human health and well-being. Forest degradation leads to the decline in ecosystem goods and services, particularly those related to watersheds. This study conducted in eastern Burkina Faso aimed to assess water quality of temporary ponds in protected forest areas (reserves) and surrounding villages. it was conducted in 61 temporary ponds where physical, chemical and biological variables were measured, such as water surface area, depth, transparency, macrophyte cover, pH, dissolved O2, conductivity, nutrient concentrations and algae biomass. The results showed that at p ient content (p = 0.00), and algae biomass (p = 0.04) were significantly higher outside reserves than inside reserves. in contrast, macrophyte cover (mean cover percentages 53 vs. 44.5%) and water transparency (p = 0.02) were higher inside reserves. The variations in conductivity and pH were not significant. All trends showed the influences of human activities on water characteristics and the role forests and land cover had in preventing negative human impacts and disturbance of temporary ponds. Forests and land cover are important to water quality conservation and algae biomass regulation in temporary ponds. Prot

关键词： Ecosystem services Pond water Reserves Variables Western Africa

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Shea Parklands Pollination in Burkina Faso, Some Techniques to improve the Production

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Open Journal of Ecology 2023年第9期13卷 597-605页

作者： issa Nombré issaka W. Kanazoé Latif iddrisu Nasare Adama Nana joseph i. boussim institut des Sciences et de Technologie/Ecole Normale Supérieure Ouagadougou Burkina Faso Laboratoire de Biologie et Ecologie Végétales Université Joseph KI-ZERBO Ouagadougou Burkina Faso Faculty of Natural Resources and Environment University for Development Studies Tamale Ghana Association des Amis de la Nature (NATURAMA) Ouagadougou Burkina Faso

Shea tree is a major economic plant contributing to household income through the sale of edible fruits, kernels and shea butter. Shea butter is used industrially in the production of cosmetic products, chocolates and margarines. Fruits are used by human and also by birds. This study aimed to explore strategies for the improvement of shea yield through pollination. Two types of pollination (manual and natural pollination) were applied for the comparison of fruits set and their ripening. The fruits set and ripening index as well as average weight of ripe fruits and kernels were estimated. The results showed a significant difference between the fruits set index of manual pollination and natural pollination (H(1) = 33.437, p = 7.361 × 10-9). Similarly, there was a significant difference between the ripening index of manual pollination and natural pollination (H(1) = 4.5113, p = 0.03367). However, the mode of pollination did not influence the weight of ripe fruits and kernels. Therefore, the manual pollination enhances pollen supply to receptive stigmas for fertilization and improved fruit yield in Vitellaria paradoxa.

关键词： Pollination Service Shea Tree Beekeeping Foraging Activity Pollinators Burkina Faso

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Phytodiversity and Vulnerability of Protected Areas in Burkina Faso: Case of Péni Classified Forest

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Journal of Geoscience and Environment Protection 2022年第12期10卷 204-223页

作者： Nebnoma Romaric Tiendrébeogo Paulin Ouoba Brigitte Bastide Yempabou Hermann Ouoba Blandine Marie ivette Nacoulma irénée Somda Bismarck Hassan Nacro issiaka joseph boussim Natural and Agronomy Sciences Doctoral School Nazi BONI University Bobo-Dioulasso Burkina Faso institute of Environment and Agricultural Research Farako-Ba Station Bobo-Dioulasso Burkina Faso Laboratory of Natural Systems Agrosystems and Environmental Engineering Institute of Rural Development Nazi BONI University Bobo-Dioulasso Burkina Faso Training and Research Unit in Life and Earth Sciences Nazi BONI University Bobo-Dioulasso Burkina Faso Laboratory of Plant Biology and Ecology Training and Research Unit in Life and Earth Sciences Joseph KI-ZERBO University Ouagadougou Burkina Faso Laboratory of Study and Research on Soil Fertility Nazi BONI University Institute of Rural Development Bobo-Dioulasso Burkina Faso joseph Ki-ZERBO University University Center of Ziniaré Ouagadougou Burkina Faso

Protected areas contain most of Burkina Faso’s plant biodiversity which confer different benefits for the communities. However, the composition of some of them remains unknown. in a context of overexploitation and climate change, it is important to have a detailed knowledge of the vegetation of forests that have not been studied, such as Péni Classified Forest (PCF) to develop better preservation protocols. The aim of this study is to contribute to the knowledge of the flora of Burkina Faso. Phytosociological surveys were carried out in 213 plots, have identified 475 species distributed in 321 genera and 87 families. We identified during this study 201 woody species representing 38% of the woody flora of Burkina Faso. 64% of this flora is confined to shrub savannahs and 61% to tree savannahs. Among the vegetation units, shrub savannahs and tree savannahs have respectively 56.21% and 44.67% of very rare species. Poaceae (11.90%), Fabaceae-Faboideae (11.27%) and Rubiaceae (6.26%) are the most dominant families. The dominant biological types of the flora are phanerophytes (42.32%) and therophytes (30.32%), and Sudanian species (20.63%) are the best represented. Logging is the most frequent disturbance factor (100%) in the PCF. The PCF is a particular ecosystem with a great diversity but subject to many disturbances. Actions to strengthen its protection are necessary.

关键词： Biodiversity Ecology Anthropic Pressures Classified Forests Burkina Faso

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Physico-Chemical and Labeling Control of imported Honeys in Burkina Faso

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Food and Nutrition Sciences 2013年第12期4卷 1266-1270页

作者： Schweitzer Paul Nombré issa Aidoo Kwamé boussim i. joseph institut des Sciences Ouagadougou Burkina Faso Laboratoire de Biologie et écologie Végétales UFR Science et Technique Université de Ouagadougou Ouagadougou Burkina Faso international Stingless Bee Centre Department of Entomology and Wildlife University of Cape Coast Cape Coast Ghana. Laboratoire d’Analyses et d’Ecologie Apicole Centre d’Etudes Techniques Apicole de Moselle Guenange France Laboratoire de Biologie et écologie Végétales UFR Science et Technique Université de Ouagadougou Ouagadougou Burkina Faso

Burkina Faso is situated in the centre of Western Africa with a high illiteracy rate, despite efforts of the governments to improve education. This is not without consequences on the choice of foodstuffs bought and consumed by the people and the consequent effect on their health. Honey is one of the foodstuffs consumed by people. However local production falls short of demand, and so most supermarkets in Burkina Faso sell imported honey. Do these imported honeys conform to the international standards regarding labeling of foodstuffs, and specifically do they possess physicochemical characteristics that conform to international norms of Codex Alimentarus and European honey Commission? The study investigated certain characteristics established by standards of the European Commission and Codex Alimentarius. The labels on packaged honey were analyzed according to the standard of Journal Officiel. Results show that the physic-chemical plan, the hydroxyl-methyl-furfural (HMF) content were high whereas the diastase index was low indicating lack of freshness of imported honeys. For the stability, honey samples conformed to the standard of the European Commission and Codex Alimentarius. Only two honey samples fulfill the Codex Alimentarius and the European commission norms. Storage temperatures degrade honey considerably and it suggested that under tropical conditions the deadline for optimal use (DLUO) of honeys is reduced to one year.

关键词： Honey Analysis Food Labeling Consumption Deadline Burkina Faso

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Plants used in traditional beekeeping in Burkina Faso

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Open Journal of Ecology 2013年第5期3卷 354-358页

作者： Schweitzer Paul Nombré issa Aidoo Kwamé boussim i. joseph institut des Sciences Ouagadougou Burkina Faso institut des Sciences Ouagadougou Burkina Faso&Laboratoire de Biologie et Ecologie Végétales UFR Science et Technique Université de Ouagadougou Ouagadougou Burkina Faso international Stingless Bee Centre Department of Entomology and Wildlife University of Cape Coast Cape Coast Ghana Laboratoire d’Analyses et d’Ecologie Apicole Centre d’Etudes Techniques Apicole de Moselle Guenange France

Beekeeping is one of the recommended approaches in the implementation of poverty alleviation programs in rural areas of Burkina Faso. However, plants that are important in beekeeping have not been identified. The use of parts and organs of plants by beekeepers and their methods of harvesting remain unknown. These limit the conservation efforts of these important plants and affect beekeeping development. The study was carried out in the south-central, eastcentral regions and in Comoé and Boucle of Mouhoun regions ofBurkina Faso. The objective of the study was to identify the plants species used by traditional beekeepers, the different uses made of these plant parts and organs and then to discuss the impact of these activities on the survival of the plant resources. An ethnoapiculture survey was conducted in the main apiculture zone of Burkina Faso, using semi-structured interviews. The methodology of botanical coherence or convergence was applied to classify botanical species. Results showed that 35 botanical species were used in traditional beekeeping. The use of plant parts or organs in traditional hives construction represents 55%, attraction of wild swarms in new beehives is 37.50% and use as a torch or as a smoker, 7.50%. The barks are the organs most used. Trees are botanical type most used. The results are not exhaustive and therefore other additional studies need to be carried out. in order to sustain the use of these important plants, their growing in nursery and their planting in the field are recommended.

关键词： Beekeeping Melliferous Plants Pollinating Biodiversity Burkina Faso

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西非布基纳法索共和国道路网干扰对路边环境Pteleopsis suberosa更新的影响(英文)

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Journal of Forestry Research 2009年第4期20卷 355-361,I0007页

作者： Fidèle BOGNOUNOU Patrice SAVADOGO Adjima THiOMBiANO Mulualem TiGABU issaka joseph boussim Per Christer ODEN Sita GUiNKO Université de Ouagadougou Unité de Formation et Recherche en Sciences de la Vie et de la Terre Swedish Univ. of Agricultural Sciences Faculty of Forest Sciences Southern Swedish Forest Research Centre Centre National de la Recherche Scientifique et Technologique Institut de l’Environnement et de Recherches Agricoles Département Productions Forestières

沿铺面道路和未铺面道路,调查了4种路边环境(缓变区,附近区,中间区和非缓变区)的Pteleopsis suberosa苗木种群结构和其更新机制。沿道路平行线调查了2m×5m的203块样方,记录每个样方内的种苗总数和每个种苗的活枝数。通过评价基部和水... 详细信息

沿铺面道路和未铺面道路,调查了4种路边环境(缓变区,附近区,中间区和非缓变区)的Pteleopsis suberosa苗木种群结构和其更新机制。沿道路平行线调查了2m×5m的203块样方,记录每个样方内的种苗总数和每个种苗的活枝数。通过评价基部和水平枝芽和挖掘地下根系来确定更新机制。结果表明,在4种路边环境中,单一主干和多主干苗木的总密度及各自密度都有明显的变化(pis suberosa根出条更新;道路类型(铺面和未铺面)对苗木密度没有影响,但对路边立地的***种群的萌生能力来说,道路类型是一个重要变量。***是一个耐干扰的物种,受道路网干扰后可以通过根出条繁殖。

关键词： Pteleopsis suberosa 道路网干扰苗木更新根出条

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Local Communities Demand for Food Tree Species and the Potentialities of Their Landscapes in Two Ecological Zones of Burkina Faso

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Open Journal of Forestry 2013年第3期3卷 79-87页

作者： Daniabla Natacha Edwige Thiombiano Niéyidouba Lamien Ana M.Castro-Euler Barbara Vinceti Dolores Agundez issaka joseph boussim Laboratoire de Biologie et d’Ecologie Vegetales Universite de OuagadougouOuagadougouBurkina Faso Departement de Production Forestiere Institut de l’Environnement et de Recherches AgricolesKoudougouBurkina Faso instituto Estadual de Floresta Embrapa Amapa Rodovia Juscelino KubitschekMacapaBrazil Bioversity international CGIARHeadquaters:Via Dei TreDenariRomeItaly iNiA-CiFOR Dpto Sistemas y Recursos ForestalesCarretera de la CorunaMadridSpain

We examined demand and supply of Food Tree Species (FTS) products in Burkina Faso. The hypotheses were: 1) demand for FTS products by local communities exceeds what can be sustainably extracted, and 2) local communities of the Sudanian zone have access to more diverse FTS products compared to Sahelian zone. Surveys were conducted in 300 households and 360 quadrats in landscapes surrounding 6 villages to determine the diversity, richness and availability of FTS. The results indicate that local communities tend to exploit FTS which are rare to find or absent in the landscape surrounding their village. While the range of FTS largely exploited tends to coincide across the two ecological zones, the diversity and density of the preferred FTS are discordant between the two zones. The results of the present study further support the need for conservation and restoration strategies to sustain the local communities demand for FTS products.

关键词： Human Feeding Food Security indigenous Knowledge Quantitative Ethnobotany Diversity Threats

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