Chapitre 12. Ingestion, restitution et transfert d’éléments fertilisants aux agrosystèmes par les ruminants domestiques en régions semi-arides d’Afrique occidentale

Guérin, Hubert; Roose, Éric

doi:10.4000/books.irdeditions.24243

Cited by 6 publications

(4 citation statements)

References 7 publications

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“…This is consistent with the work of Turner ( 2017) who states that drought-induced cereal crop failures lead to mobility to well-watered pastures or the exchange of livestock for grain. In order to increase the chances of good cereal production, animal droppings are used as fertilizer in the fields (Turner et al 2005;Guérin and Roose 2017). That is another important part of the strategy of integrating agriculture to pastoralism.…”

Section: New Pastoral Practices Developedmentioning

confidence: 99%

Resilience strategies of West African pastoralists in response to scarce forage resources

Karim¹,

Zaré

Korbéogo³

et al. 2021

Pastoralism

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Finding sufficient natural fodder resources to feed livestock has become a challenge for herders in the Sahel zone of Burkina Faso. Despite the existence of pastoral reserves, the issue of fodder shortage remains unsolved. This article highlights the changes in behaviour and the evolution of pastoral practices caused by the scarcity of forage resources. These changes are defined and classified as resilience strategies. Thus, this paper aims to analyse these strategies using new semantics that calls for other forms of perceptions or approach to the questions of pastoralists’ resilience strategies. Interviews (semi-structured and casual conversations), ethnographic observations and ethnobotanical surveys were used to collect data. In rangelands, such high value fodder species as Andropogon gayanus, Pennisetum pedicellatum and Dactyloctenium aegyptium that were abundant herbaceous plants during the last decades are disappearing. Concomitantly, species with lower forage value, such as Senna obtusifolia, which are more resilient to ecological disturbance factors, are colonizing rangelands. Faced with these ecological changes, pastoralists are trying to redefine and reconfigure their practices, and this implies a redefinition of their identity. They use resilience strategies such as mowing grasses, building up fodder bundles, conserving crop residues, exploiting Senna obtusifolia (a previously neglected species), using woody fodder and adapting the type of livestock and the size of the herds to the ability of pastoralists to feed them. Strategies that are older than these are the integration of agriculture with livestock and decollectivized transhumance. It is these resilience strategies that this article exposes and analyses as defence mechanisms of Sahelian pastoralists in the face of the depletion of forage resources in their environments.

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Section: New Pastoral Practices Developedmentioning

confidence: 99%

Resilience strategies of West African pastoralists in response to scarce forage resources

Karim¹,

Zaré

Korbéogo³

et al. 2021

Pastoralism

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“…Par rapport au développement prévu des élevages dans les systèmes agropastoraux, il faut souligner l'intérêt des herbivores par leurs apports en fumure organique et minérale et leur rôle de transfert de fertilité entre les espaces naturels et cultivés. Selon Guérin et Roose (2017), un zébu équivalent UBT excrète dans les matières fécales et l'urine 800 à 1 000 kg/an de matière organique, 400 à 500 kg/an de carbone et entre 20 et 35 kg/an d'azote (encadré 5.1).…”

Section: La Fumure Animale Et Le Maintien De La Fertilité Des Sols Cuunclassified

Dynamique des élevages pastoraux et agropastoraux en Afrique intertropicale

Richard¹,

Alary²,

Corniaux³

et al. 2019

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“…season, the livestock is kept in rangeland to protect the crops (Manlay et al, 2004, Guerin andRoose, 2015).…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Maximization of fertility transfers from rangeland to cropland: The contribution of control theory

Bisson

Casenave

Boudsocq³

et al. 2019

Journal of Theoretical Biology

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This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. Highlights • A simple meta-ecosystem model is proposed to represent mixed farming system • Optimization of livestock-induced nutrient transfer from rangeland to cropland improves crop production • Control theory provides tools that take into account the variability over time of agricultural practices • Time-varying livestock management can lead to higher crop production

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Chapitre 12. Ingestion, restitution et transfert d’éléments fertilisants aux agrosystèmes par les ruminants domestiques en régions semi-arides d’Afrique occidentale

Cited by 6 publications

References 7 publications

Resilience strategies of West African pastoralists in response to scarce forage resources

Resilience strategies of West African pastoralists in response to scarce forage resources

Dynamique des élevages pastoraux et agropastoraux en Afrique intertropicale

Maximization of fertility transfers from rangeland to cropland: The contribution of control theory

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