Synergy between traditional knowledge of use and tree population structure for sustainability of Cola nitida (Vent.) Schott. &amp; Endl in Benin (West Africa)

Savi, Merveille Koissi; Noumonvi, Raoul; Chadaré, Flora Josiane; Daïnou, Kasso; Salako, Kolawolé Valère; Idohou, Rodrigue; Assogbadjo, Achille Ephrem; Kakaï, Romain Glèlè

doi:10.1007/s10668-018-0091-5

Cited by 10 publications

(7 citation statements)

References 24 publications

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“…These are in concordance with the nding of some previous studies on medicinal plant species [47,48] in general, and other multipurpose plant species such as Borassus aethiopum [30], Sclerocarya birrea [49], Tamarindus indica [50] and Adansonia digitata where women had more uses knowledge than men. This is in contradiction with the ndings on Cola nitida [35] where men had more uses knowledge than women. The authors justi ed by the fact that C. nitida is widely used for rituals often leaded by men traditional healer "vodounon".…”

Section: Variations Of Use Knowledge Range and Evenness Of Termite An...contrasting

confidence: 93%

“…The indices vary from 0 to 1 [33,34], and their importance was revealed accordingly. Assess the evenness of knowledge [33] Source: [35] A pairwise ranking was implemented on the chosen threat factors to determine the factor that most in uence use knowledge of termites and termite mounds. The number of possible pairs was calculated using the formulae N (N-1)/2, where N is the number of chosen factors.…”

Section: Data Processing and Statistical Analysesmentioning

confidence: 99%

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Local Knowledge of Utilisation and Threats Patterns of Termites around Pendjari Biosphere Reserve, West – Africa

Gbeffe

Houéhanou

Adesina

et al. 2021

Preprint

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Background: Termites are social insects filling many ecological functions and ecosystem services in tropical ecosystems, and are also used differently for human well-being in several parts of the world. Documenting their use knowledge and associated threats are fundamental for their sustainability. Thus, this study aimed at analysing use knowledge patterns and threat factors of termites within the local communities around Pendjari biosphere reserve (PBR). Methods: Semi-structured questionnaire was administrated to 151 informants to collect socio-demographic data, use-types and use-categories of termites and their threat factor levels. Fidelity indexes, informant diversity and equitability indexes were computed and compared regarding socio-demographic traits by using a generalized linear models. A pairwise ranking of threat factors followed by series of ordinal logistic regression were performed to assess how informants’ socio – demographic traits do influence the perceived effect of threats on termite species. The statistical analyses were done by using R programming language in Rstudio. Results: Twenty five use-types of termites and termite mounds were recorded. Ethnicity and gender have significant (P-value < 0.05) influence on the use knowledge pattern of termites, with Gourmantche and Berba the most knowledgeable ethnics of termite and termite mound uses, while women are more knowledgeable than men. Ethnicity and age category have significant (P-value < 0.05) influence on perceived threats of agricultural activities and bush fire, while the reported global use values and age category have significant (P-value < 0.05) influence on the perceived threat of climate change on termites. Old informants are likely to perceive the influence of bushfire, agricultural activities and climate change threats than adult and young informants. Berbas are likely to perceive the influence of agricultural activities and bushfire threats than Gourmantche, Waama and other ethnics. Conclusion: The findings were therefore supported by gender, age and dynamic of knowledge hypothesis, with gender and ethnicity, the two factors that have significant influence on the uses’ diversity and use knowledge pattern of termite and termite mounds. Thus, the sustainable management of termites will be achieved by sensitizing indigenous communities to adopt sustainable agricultural practices associated with the creation of alternative activities to reduce pressure on termites.

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Section: Variations Of Use Knowledge Range and Evenness Of Termite An...contrasting

confidence: 93%

Section: Data Processing and Statistical Analysesmentioning

confidence: 99%

Local Knowledge of Utilisation and Threats Patterns of Termites around Pendjari Biosphere Reserve, West – Africa

Gbeffe

Houéhanou

Adesina

et al. 2021

Preprint

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“…& Perr., quienes argumentan que el movimiento del suelo por actividades agrícolas favorece la incorporación de un mayor número de individuos en las categorías de menor tamaño, aun cuando estos son dañados y en ocasiones removidos en su totalidad del terreno. Asimismo, Savi et al (2018) registraron la misma distribución para Cola nitida (Vent.) Schott & Endl.…”

Section: E Y H)unclassified

“…En todas las investigaciones previamente mencionadas también se determinó que las densidades fueron más altas en las poblaciones cosechadas (Botha et al, 2004;Gaoue y Ticktin, 2007;Schumman et al, 2011;Amahowe et al, 2017;Savi et al, 2018;), lo que difiere con el presente estudio, debido a que se encontró un mayor número de individuos (particularmente plántulas) en sitios no cosechados. Esta situación podría deberse a los requerimientos específicos de cobertura vegetal y proporción de luz directa para la emergencia masiva y el desarrollo de las plántulas de H. latiflora (Beltrán-Rodríguez et al, 2015), condición que se presenta sobre todo en ambientes sin cosecha o poco intervenidos y bajo el dosel de la planta madre o de las especies con las que cohabita.…”

Section: E Y H)unclassified

¿El descortezamiento de un árbol medicinal impacta en su estructura poblacional-espacial? El caso de Hintonia latiflora en México

Vásquez-Cortez

Beltrán-Rodríguez

Ángeles‐Pérez

et al. 2020

MYB

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Se documenta la estructura poblacional y el patrón de distribución y correlación espacial entre etapas de desarrollo de Hintonia latiflora, especie amenazada en México por la cosecha comercial de su corteza. Se establecieron seis unidades de muestreo (tres cosechadas y tres no cosechadas) de 20 m × 100 m para el censo de todas las plantas y se categorizaron en tres etapas de desarrollo con base en la altura total y diámetro basal; todos los individuos fueron ubicados por sus coordenadas cartesianas. La estructura poblacional se analizó mediante un histograma de densidad; , mientras que el sesgo y la curtosis se usaron para determinar el efecto del aprovechamiento sobre las categorías de tamaño. Los patrones espaciales univariantes y bivariantes se determinaron usando la función L1(t) y L12(t) de Ripley, respectivamente, y la significancia estadística fue a 99% mediante simulaciones Monte Carlo. La densidad entre sitios cosechados vs. no cosechados fue estadísticamente diferente (p < 0.013), pero la estructura poblacional fue semejante, con un patrón de distribución asimétrico positivo (S3 = 0.947 y S3 = 1.063) y leptocúrtico (S4 = 2.006 y S4 = 2.400). El patrón de distribución univariante en todos los casos fue agregado (L(t) > 0), mientras que la correlación espacial en poblaciones sujetas a descortezamiento reflejó una combinación entre independencia y atracción espacial a diferentes distancias. Esta información aporta bases para el manejo sostenible de H. latiflora y representa el primer estudio en México que analiza el impacto del descortezamiento de un recurso medicinal sobre su estructura poblacional-espacial.

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“…Local use and socioeconomic importance were documented, as well as the pressure on natural stands due to overexploitation and unsustainable management of food, medicine and other services from Baillonella toxisperma, a multipurpose food, medicinal and timber species in Cameroon [247]; Garcinia lucida, a medicinal species in Cameroon [248]; Xylopia aethiopica, a tree species used as food, spice and medicine in Benin and other Central and West African countries [249]; Gnidia glauca, a medicinal tree species in Cameroon [198]; Cola spp., a group of food, medicinal and ritual species in Benin [250,251]; and Canarium schweinfurthii, a multipurpose tree species used for food, ritual and medicinal purposes [252][253][254][255]. This has provided evidence of unsustainable exploitation and has led to recommendations for the domestication of these species to create an alternative source of products.…”

mentioning

confidence: 99%

The Future of Food: Domestication and Commercialization of Indigenous Food Crops in Africa over the Third Decade (2012–2021)

Leakey¹,

Avana

Awazi

et al. 2022

Sustainability

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This paper follows the transition from ethnobotany to a deeper scientific understanding of the food and medicinal properties of African agroforestry tree products as inputs into the start of domestication activities. It progresses on to the integration of these indigenous trees as new crops within diversified farming systems for multiple social, economic and environmental benefits. From its advent in the 1990s, the domestication of indigenous food and non-food tree species has become a global programme with a strong African focus. This review of progress in the third decade is restricted to progress in Africa, where multi-disciplinary research on over 59 species has been reported in 759 research papers in 318 science publications by scientists from over 833 research teams in 70 countries around the world (532 in Africa). The review spans 23 research topics presenting the recent research literature for tree species of high priority across the continent, as well as that in each of the four main ecological regions: the humid zone of West and Central Africa; the Sahel and North Africa; the East African highlands and drylands; and the woody savannas of Southern Africa. The main areas of growth have been the nutritional/medicinal value of non-timber forest products; the evaluation of the state of natural resources and their importance to local people; and the characterization of useful traits. However, the testing of putative cultivars; the implementation of participatory principles; the protection of traditional knowledge and intellectual property rights; and the selection of elite trees and ideotypes remain under-researched. To the probable detriment of the upscaling and impact in tropical agriculture, there has been, at the international level, a move away from decentralized, community-based tree domestication towards a laboratory-based, centralized approach. However, the rapid uptake of research by university departments and national agricultural research centres in Africa indicates a recognition of the importance of the indigenous crops for both the livelihoods of rural communities and the revitalization and enhanced outputs from agriculture in Africa, especially in West Africa. Thus, on a continental scale, there has been an uptake of research with policy relevance for the integration of indigenous trees in agroecosystems and their importance for the attainment of the UN Sustainable Development Goals. To progress this in the fourth decade, there will need to be a dedicated Centre in Africa to test and develop cultivars of indigenous crops. Finally, this review underpins a holistic approach to mitigating climate change, as well as other big global issues such as hunger, poverty and loss of wildlife habitat by reaping the benefits, or ‘profits’, from investment in the five forms of Capital, described as ‘land maxing’. However, policy and decision makers are not yet recognizing the potential for holistic and transformational adoption of these new indigenous food crop opportunities for African agriculture. Is ‘political will’ the missing sixth capital for sustainable development?

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Synergy between traditional knowledge of use and tree population structure for sustainability of Cola nitida (Vent.) Schott. & Endl in Benin (West Africa)

Cited by 10 publications

References 24 publications

Local Knowledge of Utilisation and Threats Patterns of Termites around Pendjari Biosphere Reserve, West – Africa

Local Knowledge of Utilisation and Threats Patterns of Termites around Pendjari Biosphere Reserve, West – Africa

¿El descortezamiento de un árbol medicinal impacta en su estructura poblacional-espacial? El caso de Hintonia latiflora en México

The Future of Food: Domestication and Commercialization of Indigenous Food Crops in Africa over the Third Decade (2012–2021)

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