15 research outputs found

    Complexity of the agrarian crisis of a mountain ecosystem in Haiti. Which ways to improve peasant living conditions and preserve the environment ?

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    HaĂŻti, pays au relief montagneux, a connu un dĂ©boisement important tout au long du dernier siĂšcle. La disparition du couvert forestier sur les pentes se traduit par une forte Ă©rosion des sols qui engendre des dĂ©gĂąts sur les terres agricoles situĂ©es en aval et des coulĂ©es boueuses potentiellement meurtriĂšres. Face Ă  ce problĂšme, la restriction des usages agricoles et le reboisement des pentes les plus exposĂ©es au risque Ă©rosif constituent la principale rĂ©ponse apportĂ©e par le gouvernement haĂŻtien et les organisations internationales. Cette recherche se propose, Ă  partir du diagnostic de l’agriculture de la rĂ©gion de La Borne, situĂ©e dans la ChaĂźne des Matheux et en amont de la grande plaine rizicole de l’Artibonite, d’analyser quel serait l’impact d’un projet de mise en dĂ©fens de terres agricoles pour leur reboisement sur les diffĂ©rentes catĂ©gories d’agriculteurs. Il s’agit Ă©galement de rĂ©flĂ©chir Ă  des voies alternatives de dĂ©veloppement qui permettraient Ă  la fois de prĂ©server l’écosystĂšme cultivĂ© tout en amĂ©liorant la situation alimentaire et Ă©conomique des exploitations paysannes.Cette recherche a Ă©tĂ© basĂ©e sur un travail de terrain approfondi. Elle a permis de montrer que l’accroissement dĂ©mographique qu’a connu la rĂ©gion au cours des derniĂšres dĂ©cennies s’est accompagnĂ© de l’augmentation des surfaces cultivĂ©es. Celle-ci a reposĂ© sur une rĂ©duction de la durĂ©e du recrĂ» dans les rotations et sur une extension des cultures jusqu’aux pentes les plus fortes. La reproduction de la fertilitĂ© du sol sur les espaces cultivĂ©s, permise par l’association avec l’élevage, est de moins en moins bien assurĂ©e Ă  mesure que diminuent la disponibilitĂ© fourragĂšre et la capacitĂ© d’investissement des agriculteurs, qui Ă©voluent dans un contexte socio-Ă©conomique trĂšs dĂ©favorable, toutes deux limitant la taille de leur cheptel. Les rendements diminuent et la baisse du taux de matiĂšre organique des sols favorise leur Ă©rosion sur les pentes. L’analyse du fonctionnement du systĂšme agraire a permis de comprendre que la mise en dĂ©fens des espaces les plus Ă©rodĂ©s pour leur reboisement se traduirait par une nouvelle rĂ©duction des disponibilitĂ©s fourragĂšres et viendrait exacerber les dĂ©sĂ©quilibres existants. Les agriculteurs les plus pauvres, dont le fonctionnement du systĂšme de production dĂ©pend en grande partie de l’exploitation des zones ciblĂ©es, seraient les premiers affectĂ©s.Certains agriculteurs de la rĂ©gion ont commencĂ©, moyennant l’adaptation et l’utilisation systĂ©mique de techniques acquises dans le cadre de projets de dĂ©veloppement, Ă  mettre en place de profondes transformations qui participent Ă  rĂ©soudre la crise de fertilitĂ© de l’écosystĂšme cultivĂ©. GrĂące Ă  l’amĂ©nagement de terrasses sur les pentes et Ă  une meilleure maĂźtrise des eaux de ruissellement, au prix d’une forte intensification en travail, ils sont parvenus Ă  dĂ©velopper de nouveaux systĂšmes de production. Ceux-ci reposent sur l’introduction de cultures fourragĂšres et sur des cultures associĂ©es sous couvert arborĂ©, qui permettent d’accroĂźtre le taux de matiĂšre organique du sol, sa capacitĂ© d’infiltration des eaux de ruissellement ainsi que les rendements. Ce nouveau mode d’exploitation du milieu, dont la mise en Ɠuvre requiert une sĂ©curitĂ© de la tenure fonciĂšre et l’accĂšs Ă  un Ă©quipement adaptĂ© et relativement coĂ»teux, constitue une alternative de dĂ©veloppement agricole qui permet Ă  la fois de limiter l’érosion des sols et d’accroĂźtre la capacitĂ© de production des Ă©cosystĂšmes cultivĂ©s, dans l’intĂ©rĂȘt de la paysannerie.Haiti has experienced significant deforestation during the last century. On the slopes, reduced forest cover results in severe soil erosion and generates important damages downstream. In response to this problem, agricultural land use restrictions and reforestation of areas most exposed to erosive risk have been the main response of the Haitian government and international organizations for several decades. Thanks to the case study of the area of La Borne, located in the Matheux mountain range and uphill the large rice plain of the Artibonite, this study aims to analyze the impact on farmers of projects that prevent the use of rural lands other than for reforestation purposes. We also consider alternative ways of development that would reach both objectives to preserve mountainous ecosystem while improving the food and economic situation of peasants.This research was based on extensive fieldwork. It has shown that the area’s population growth during recent decades has been associated with an increase in cultivated areas. This has been made possible by a reduction in the duration of fallow and an extension of crop area to the steepest slopes. The reproduction of soil fertility in cultivated areas, which is permitted by association with livestock, is compromised by fodder availability and farmers’ investment capacity. They evolve indeed in a socio-economic context economically very unfavorable. These factors limit the size of their livestock. Yields and organic matter content of soil quickly decline, leading to a increasing erosion on the slopes. The analysis of the agrarian system of La Borne made it possible to understand that agricultural land use limitation in the most eroded areas, except for reforestation purposes, would result in further reduction of fodder supplies and would accentuate existing imbalances. The poorest farmers, whose farming activity depends mostly on the exploitation of targeted areas, would be the first to be affected.Some farmers in the region have begun implementing profound transformations that contribute to solving the fertility crisis of the ecosystem. They have adapted and used with a systemic approach several techniques acquired during development projects. Thanks to a strong intensification of work, they have built terraces on the slopes and managed to better control runoff water. It enables them to develop new farming systems which rely on fodder introduction and associated crops under tree cover. The outcome is increased soil organic matter rate, better infiltration capacity and improved crop yields. Implementation of these practices requires a secure land tenure and an access to suitable equipment, which is relatively expensive. These new farming systems offer an alternative way of development that both limit soil erosion and increase food production on mountains areas, taking into account peasants interests

    ComplexitĂ© de la crise agraire d’un Ă©cosystĂšme de montagne en HaĂŻti. Quelles voies d’amĂ©lioration des conditions de vie paysanne et de prĂ©servation du milieu ?

    No full text
    Haiti has experienced significant deforestation during the last century. On the slopes, reduced forest cover results in severe soil erosion and generates important damages downstream. In response to this problem, agricultural land use restrictions and reforestation of areas most exposed to erosive risk have been the main response of the Haitian government and international organizations for several decades. Thanks to the case study of the area of La Borne, located in the Matheux mountain range and uphill the large rice plain of the Artibonite, this study aims to analyze the impact on farmers of projects that prevent the use of rural lands other than for reforestation purposes. We also consider alternative ways of development that would reach both objectives to preserve mountainous ecosystem while improving the food and economic situation of peasants.This research was based on extensive fieldwork. It has shown that the area’s population growth during recent decades has been associated with an increase in cultivated areas. This has been made possible by a reduction in the duration of fallow and an extension of crop area to the steepest slopes. The reproduction of soil fertility in cultivated areas, which is permitted by association with livestock, is compromised by fodder availability and farmers’ investment capacity. They evolve indeed in a socio-economic context economically very unfavorable. These factors limit the size of their livestock. Yields and organic matter content of soil quickly decline, leading to a increasing erosion on the slopes. The analysis of the agrarian system of La Borne made it possible to understand that agricultural land use limitation in the most eroded areas, except for reforestation purposes, would result in further reduction of fodder supplies and would accentuate existing imbalances. The poorest farmers, whose farming activity depends mostly on the exploitation of targeted areas, would be the first to be affected.Some farmers in the region have begun implementing profound transformations that contribute to solving the fertility crisis of the ecosystem. They have adapted and used with a systemic approach several techniques acquired during development projects. Thanks to a strong intensification of work, they have built terraces on the slopes and managed to better control runoff water. It enables them to develop new farming systems which rely on fodder introduction and associated crops under tree cover. The outcome is increased soil organic matter rate, better infiltration capacity and improved crop yields. Implementation of these practices requires a secure land tenure and an access to suitable equipment, which is relatively expensive. These new farming systems offer an alternative way of development that both limit soil erosion and increase food production on mountains areas, taking into account peasants interests.HaĂŻti, pays au relief montagneux, a connu un dĂ©boisement important tout au long du dernier siĂšcle. La disparition du couvert forestier sur les pentes se traduit par une forte Ă©rosion des sols qui engendre des dĂ©gĂąts sur les terres agricoles situĂ©es en aval et des coulĂ©es boueuses potentiellement meurtriĂšres. Face Ă  ce problĂšme, la restriction des usages agricoles et le reboisement des pentes les plus exposĂ©es au risque Ă©rosif constituent la principale rĂ©ponse apportĂ©e par le gouvernement haĂŻtien et les organisations internationales. Cette recherche se propose, Ă  partir du diagnostic de l’agriculture de la rĂ©gion de La Borne, situĂ©e dans la ChaĂźne des Matheux et en amont de la grande plaine rizicole de l’Artibonite, d’analyser quel serait l’impact d’un projet de mise en dĂ©fens de terres agricoles pour leur reboisement sur les diffĂ©rentes catĂ©gories d’agriculteurs. Il s’agit Ă©galement de rĂ©flĂ©chir Ă  des voies alternatives de dĂ©veloppement qui permettraient Ă  la fois de prĂ©server l’écosystĂšme cultivĂ© tout en amĂ©liorant la situation alimentaire et Ă©conomique des exploitations paysannes.Cette recherche a Ă©tĂ© basĂ©e sur un travail de terrain approfondi. Elle a permis de montrer que l’accroissement dĂ©mographique qu’a connu la rĂ©gion au cours des derniĂšres dĂ©cennies s’est accompagnĂ© de l’augmentation des surfaces cultivĂ©es. Celle-ci a reposĂ© sur une rĂ©duction de la durĂ©e du recrĂ» dans les rotations et sur une extension des cultures jusqu’aux pentes les plus fortes. La reproduction de la fertilitĂ© du sol sur les espaces cultivĂ©s, permise par l’association avec l’élevage, est de moins en moins bien assurĂ©e Ă  mesure que diminuent la disponibilitĂ© fourragĂšre et la capacitĂ© d’investissement des agriculteurs, qui Ă©voluent dans un contexte socio-Ă©conomique trĂšs dĂ©favorable, toutes deux limitant la taille de leur cheptel. Les rendements diminuent et la baisse du taux de matiĂšre organique des sols favorise leur Ă©rosion sur les pentes. L’analyse du fonctionnement du systĂšme agraire a permis de comprendre que la mise en dĂ©fens des espaces les plus Ă©rodĂ©s pour leur reboisement se traduirait par une nouvelle rĂ©duction des disponibilitĂ©s fourragĂšres et viendrait exacerber les dĂ©sĂ©quilibres existants. Les agriculteurs les plus pauvres, dont le fonctionnement du systĂšme de production dĂ©pend en grande partie de l’exploitation des zones ciblĂ©es, seraient les premiers affectĂ©s.Certains agriculteurs de la rĂ©gion ont commencĂ©, moyennant l’adaptation et l’utilisation systĂ©mique de techniques acquises dans le cadre de projets de dĂ©veloppement, Ă  mettre en place de profondes transformations qui participent Ă  rĂ©soudre la crise de fertilitĂ© de l’écosystĂšme cultivĂ©. GrĂące Ă  l’amĂ©nagement de terrasses sur les pentes et Ă  une meilleure maĂźtrise des eaux de ruissellement, au prix d’une forte intensification en travail, ils sont parvenus Ă  dĂ©velopper de nouveaux systĂšmes de production. Ceux-ci reposent sur l’introduction de cultures fourragĂšres et sur des cultures associĂ©es sous couvert arborĂ©, qui permettent d’accroĂźtre le taux de matiĂšre organique du sol, sa capacitĂ© d’infiltration des eaux de ruissellement ainsi que les rendements. Ce nouveau mode d’exploitation du milieu, dont la mise en Ɠuvre requiert une sĂ©curitĂ© de la tenure fonciĂšre et l’accĂšs Ă  un Ă©quipement adaptĂ© et relativement coĂ»teux, constitue une alternative de dĂ©veloppement agricole qui permet Ă  la fois de limiter l’érosion des sols et d’accroĂźtre la capacitĂ© de production des Ă©cosystĂšmes cultivĂ©s, dans l’intĂ©rĂȘt de la paysannerie

    Quelles voies de dĂ©veloppement de l’agriculture dans les territoires montagneux haĂŻtiens ?

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    Dans les territoires montagneux haĂŻtiens, les prĂ©occupations environnementales liĂ©es Ă  la dĂ©forestation et l’érosion des sols sont mises au premier plan depuis des dĂ©cennies par les mĂ©dias, les acteurs politiques et les organisations internationales. À partir du discours dominant qui tend Ă  mettre en relation dĂ©forestation et pauvretĂ© de la paysannerie, ont Ă©tĂ© Ă©laborĂ©s de nombreux projets de dĂ©veloppement qui visent Ă  reboiser les montagnes. La mise en dĂ©fens pour le reboisement en Ă©change du versement de paiements pour services environnementaux apparaĂźt comme une piste privilĂ©giĂ©e par certains projets rĂ©cemment mis en Ɠuvre. La recherche conduite avait comme objectif de mettre en lumiĂšre les ressorts du processus de dĂ©forestation, en le mettant en lien avec l’évolution des pratiques des agriculteurs et des conditions socio-Ă©conomiques dans lesquelles ceux-ci travaillent. Elle visait, de plus, Ă  Ă©valuer l’impact prĂ©visible de ces projets de mise en dĂ©fens tout en rĂ©flĂ©chissant Ă  d’autres voies permettant de rĂ©soudre tout Ă  la fois crise environnementale et crise Ă©conomique et sociale.In Haiti’s mountain regions, environmental concerns related to deforestation and soil erosion have been largely relayed by the media, political actors and international organizations. Starting from the dominant approach that tends to link deforestation and peasant poverty, many development projects have been designed that aim to reforest mountains. Agricultural land use limitation in the most eroded areas, except for reforestation purposes, using payment for environmental services, appears to be a favored response for projects recently developed. This research aims to question the dynamics of the deforestation process, linking it with the evolution of farmers’ practices and socio-economic conditions in which they work. It also aimed to assess the foreseeable impact of these defensive projects while considering alternative pathways to resolve both environmental and economic and social crises

    Quelles voies de dĂ©veloppement de l’agriculture dans les territoires montagneux haĂŻtiens ?: L’exemple de la rĂ©gion de La Borne dans la ChaĂźne des Matheux

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    International audienceIn Haiti’s mountain regions, environmental concerns related to deforestation and soil erosion have been largely relayed by the media, political actors and international organizations. Starting from the dominant approach that tends to link deforestation and peasant poverty, many development projects have been designed that aim to reforest mountains. Agricultural land use limitation in the most eroded areas, except for reforestation purposes, using payment for environmental services, appears to be a favored response for projects recently developed. This research aims to question the dynamics of the deforestation process, linking it with the evolution of farmers’ practices and socio-economic conditions in which they work. It also aimed to assess the foreseeable impact of these defensive projects while considering alternative pathways to resolve both environmental and economic and social crises.Dans les territoires montagneux haĂŻtiens, les prĂ©occupations environnementales liĂ©es Ă  la dĂ©forestation et l’érosion des sols sont mises au premier plan depuis des dĂ©cennies par les mĂ©dias, les acteurs politiques et les organisations internationales. À partir du discours dominant qui tend Ă  mettre en relation dĂ©forestation et pauvretĂ© de la paysannerie, ont Ă©tĂ© Ă©laborĂ©s de nombreux projets de dĂ©veloppement qui visent Ă  reboiser les montagnes. La mise en dĂ©fens pour le reboisement en Ă©change du versement de paiements pour services environnementaux apparaĂźt comme une piste privilĂ©giĂ©e par certains projets rĂ©cemment mis en Ɠuvre. La recherche conduite avait comme objectif de mettre en lumiĂšre les ressorts du processus de dĂ©forestation, en le mettant en lien avec l’évolution des pratiques des agriculteurs et des conditions socio-Ă©conomiques dans lesquelles ceux-ci travaillent. Elle visait, de plus, Ă  Ă©valuer l’impact prĂ©visible de ces projets de mise en dĂ©fens tout en rĂ©flĂ©chissant Ă  d’autres voies permettant de rĂ©soudre tout Ă  la fois crise environnementale et crise Ă©conomique et sociale

    Stratégies paysannes de lutte contre la pauvreté et recherche de sources de revenus complémentaires, vers la pluriactivité

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    In recent decades, the impoverishment of Haiti’s farmers has resulted—for the hardest hit among them, who can no longer make a living off the land—in dependence on non-agricultural sources of income. This paper draws on research work conducted in the Epin region, in Haiti’s Central Plateau. The agro-economic analysis carried out in this region sheds light on the context in which pluriactivity (making charcoal from trees bought standing, temporary jobs in Port-au-Prince and the region) has become the only way for the poorest families to survive. With access only to small parcels of land in the least fertile ecosystems, they cannot meet their food needs with their own farm produce. These extra-agricultural activities enable them to leverage the family work force, and perhaps a small amount of capital, and aims—above all—to supplement their diet

    Bande enherbée: Définition

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    National audienceThe grass strip of an agricultural plot is an agroecological infrastructure formed by a linear plant cover. Depending on its location and its floristic composition, it participates in different functions including preserving biodiversity and limiting pollution of watercourses...La bande enherbĂ©e d’une parcelle agricole est une infrastructure agroĂ©cologique formĂ©e d’un couvert vĂ©gĂ©tal linĂ©aire. Selon son emplacement et sa composition floristique, elle participe Ă  diffĂ©rentes fonctions parmi lesquelles prĂ©server la biodiversitĂ© et limiter la pollution des cours d’eau..

    Haie composite: DĂ©finition

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    National audienceA composite hedge is a linear agroecological infrastructure, made up of several vegetation strata, associating different species, compatible with each other. The complementarity of these species (where the characteristic “composite” comes from) allows the hedge to provide varied ecosystem services for a long period of the year...Une haie composite est une infrastructure agroĂ©cologique linĂ©aire, formĂ©e de plusieurs strates de vĂ©gĂ©tations, associant diffĂ©rentes espĂšces compatibles entre-elles. La complĂ©mentaritĂ© de ces derniĂšres (Ă  l’origine du caractĂšre « composite » de la haie) permet Ă  celle-ci de fournir des services Ă©cosystĂ©miques diversifiĂ©s, sur une longue pĂ©riode de l’annĂ©e...

    The French version of the Arnett inventory of sensation seeking: Internal and predictive validity

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    In this study we examine the psychometric characteristics and the predictive validity of the AISS-17, the French version of the Arnett Inventory of Sensation Seeking. Two samples were used, one of which enabled us to carry out prospective monitoring over a period of six months. Our study provides data that support the validity of the AISS-17. This inventory includes the same two factors as the AISS (Novelty and Intensity). It has good concurrent and convergent validity, and its nomological network is comparable to that of the AISS and to the SSS of Zuckerman. However, our study confirms the low reliability of the AISS. We also showed that the AISS-17 has good predictive validity. We observed a significant cross-lagged effect of the AISS-17 at T1 on risk taking at T2, when controlled for age, gender and risk-taking at T1. (C) 2008 Elsevier Ltd. All rights reserved.status: publishe

    The French version of the Arnett Inventory of Sensation Seeking: Internal and predictive validity

    No full text
    In this study we examine the psychometric characteristics and the predictive validity of the AISS-17, the French version of the Arnett Inventory of Sensation Seeking. Two samples were used, one of which enabled us to carry out prospective monitoring over a period of six months. Our study provides data that support the validity of the AISS-17. This inventory includes the same two factors as the AISS (Novelty and Intensity). It has good concurrent and convergent validity, and its nomological network is comparable to that of the AISS and to the SSS of Zuckerman. However, our study confirms the low reliability of the AISS. We also showed that the AISS-17 has good predictive validity. We observed a significant cross-lagged effect of the AISS-17 at T1 on risk taking at T2, when controlled for age, gender and risk-taking at T1
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