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No Thumbnail AvailableProjectProgramme / project reportDescription et evaluation des ressources halieutiques de la ZEE mauritanienne 1985
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No results found.Depuis quelques années, les autorités mauritaniennes, conscientes de l'importance que revêtent les connaissances sur les ressources de leur zone économique exclusive pour un développement harmonieux des pêcheries et une utilisation rationnelle des ressources, ont intensifié leurs efforts dans le domaine de la collaboration régionale et bilatérale. L'accroissement rapide des connaissances qui en a résulté et leurs diversitées ont conduit à la nécessité de préparer un do cument de synthèse. Le premier Groupe de travail sur les ressources de la Mauritanie a donc été organisé par le CNROP avec l'assistance de la FAO et la contribution de l'ORSTOM, en collaboration étroite avec des chercheurs nationaux et étrangers en poste au Centre National de Recherches Océanographiques et des Pêches (CNROP) de Nouadhibou, et les chercheurs du Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), de l'Institut Océanographique de Monaco , de l'Institut Espagnol d'Océanographie (IEO) et l'assistance du Projet COPACE (voir Annexe A: Liste des participants). (...) -
No Thumbnail AvailableBook (series)Manual / guideGuide des ressources halieutiques du Sénégal et de la Gambie ( Espèces marines et d'eaux saumâtres) 1988
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No results found.Le document présente les ressources halieutiques (marines et d'eaux saumâtres) du Sénégal et de la Gambie avec des guides pour leur identification et, pour chaque espèce, les informations suivantes, nom scientifique et synonymes les plus courants, noms communs locaux et FAO (anglais, espagnol et français), taille maximale, méthodes de capture et habitat Abondantes sont les illustrations en noir et en couleurs Un index alphabétique de tous les noms utilisés est inclus. -
No Thumbnail AvailableBook (series)Technical studyDiversité génétique des ressources halieutiques marines - Impacts possibles de la pêche 1995Le prsent rapport s'attache passer en revue l'impact gntique de la pche sur les ressources halieutiques marines. La mthode la plus couramment utilise jusqu'ici pour mesurer la diversit gntique dans les populations naturelles est l'lectrophorse des protines; les tlostens marins prsentent des niveaux de diversit gntique compris entre 0,0 et 18 % et les invertbrs marins entre 0,4 et 32 %. Les tudes gntiques ont montr que les populations d'espces marines sont moins diffrencies que celles d'espces d 'eau douce, qu'elles connaissent des volutions gntiques au cours du temps, qu'elles peuvent tre modifies localement par la pollution et qu'elles contiennent des espces cryptiques. Les changements gntiques dans les populations se produisent par slection ou drive. Chez les populations naturelles, la pche est la principale cause de mortalit qui s'applique de manire non-alatoire l'gard de l'ge et de la taille des individus. Dans les pcheries de poissons tlostens soumises une exploitation intens e, on observe couramment un dclin de l'ge et/ou de la taille la maturit sexuelle. Une pche slective vis--vis de la taille serait de nature favoriser une maturit prcoce. Toutefois, chez certains poissons, le taux de croissance dpend de la densit et augmente mesure que le stock diminue; des taux de croissance plus rapides conduisent une baisse de l'ge ou de la taille de maturit sexuelle. Il n'est donc pas possible de savoir si les changements constats sont d'ordre gntique ou compensatoire en r ponse la rduction de la densit du stock.
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BookletCorporate general interestEmissions due to agriculture
Global, regional and country trends 2000–2018
2021Also available in:
No results found.The FAOSTAT emissions database is composed of several data domains covering the categories of the IPCC Agriculture, Forestry and Other Land Use (AFOLU) sector of the national GHG inventory. Energy use in agriculture is additionally included as relevant to emissions from agriculture as an economic production sector under the ISIC A statistical classification, though recognizing that, in terms of IPCC, they are instead part of the Energy sector of the national GHG inventory. FAO emissions estimates are available over the period 1961–2018 for agriculture production processes from crop and livestock activities. Land use emissions and removals are generally available only for the period 1990–2019. This analytical brief focuses on overall trends over the period 2000–2018. -
Book (series)FlagshipThe State of Food Security and Nutrition in the World 2021
Transforming food systems for food security, improved nutrition and affordable healthy diets for all
2021In recent years, several major drivers have put the world off track to ending world hunger and malnutrition in all its forms by 2030. The challenges have grown with the COVID-19 pandemic and related containment measures. This report presents the first global assessment of food insecurity and malnutrition for 2020 and offers some indication of what hunger might look like by 2030 in a scenario further complicated by the enduring effects of the COVID-19 pandemic. It also includes new estimates of the cost and affordability of healthy diets, which provide an important link between the food security and nutrition indicators and the analysis of their trends. Altogether, the report highlights the need for a deeper reflection on how to better address the global food security and nutrition situation.To understand how hunger and malnutrition have reached these critical levels, this report draws on the analyses of the past four editions, which have produced a vast, evidence-based body of knowledge of the major drivers behind the recent changes in food security and nutrition. These drivers, which are increasing in frequency and intensity, include conflicts, climate variability and extremes, and economic slowdowns and downturns – all exacerbated by the underlying causes of poverty and very high and persistent levels of inequality. In addition, millions of people around the world suffer from food insecurity and different forms of malnutrition because they cannot afford the cost of healthy diets. From a synthesized understanding of this knowledge, updates and additional analyses are generated to create a holistic view of the combined effects of these drivers, both on each other and on food systems, and how they negatively affect food security and nutrition around the world.In turn, the evidence informs an in-depth look at how to move from silo solutions to integrated food systems solutions. In this regard, the report proposes transformative pathways that specifically address the challenges posed by the major drivers, also highlighting the types of policy and investment portfolios required to transform food systems for food security, improved nutrition, and affordable healthy diets for all. The report observes that, while the pandemic has caused major setbacks, there is much to be learned from the vulnerabilities and inequalities it has laid bare. If taken to heart, these new insights and wisdom can help get the world back on track towards the goal of ending hunger, food insecurity, and malnutrition in all its forms. -
BookletHigh-profileFAO Strategy on Climate Change 2022–2031 2022The FAO Strategy on Climate Change 2022–2031 was endorsed by FAO Council in June 2022. This new strategy replaces the previous strategy from 2017 to better FAO's climate action with the Strategic Framework 2022-2031, and other FAO strategies that have been developed since then. The Strategy was elaborated following an inclusive process of consultation with FAO Members, FAO staff from headquarters and decentralized offices, as well as external partners. It articulates FAO's vision for agrifood systems by 2050, around three main pillars of action: at global and regional level, at country level, and at local level. The Strategy also encourages key guiding principles for action, such as science and innovation, inclusiveness, partnerships, and access to finance.