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případová studie dosahování potravinové soběstačnosti permakulturně orientovaných rodin a jednotlivců v České republice / Individual food self-sufficiency in Czech Republic: case study of permaculture oriented families and individualsSoukup Tůmová, Terézia January 2016 (has links)
This diploma thesis is a descriptive case study of permaculture oriented families and individuals in the Czech Republic, who are aiming for food self-sufficiency. The goal is to describe the lifestyle of self-supplying food producers, their strive for permacultural principles of sustainable development and the making of agricultural systems. The main focus is on describing the economical and material background of households, their strategies and practices for achieving food self-sufficiency, and motivation and difficulties related to this matter. Data were collected by observing and interviewing 8 permaculture households.
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Individuální potravinová soběstačnost v České republice: případová studie permakulturně orientovaných rodin a jednotlivců / Individual food self-sufficiency in Czech Republic: case study of permaculture oriented families and individualsSoukup Tůmová, Terézia January 2015 (has links)
This diploma thesis is a descriptive case study of permaculture oriented families and individuals in the Czech Republic, who are aiming for food self-sufficiency. The goal is to describe the lifestyle of self- supplying food producers, their strive for permacultural principles of sustainable development and the making of agricultural systems. Data were collected by observing and interviewing 8 households, analysing relevant literature and other data resources that were autonomously provided by informants. The main focus is on describing the economical and material background of households, their strategies and practices for achieving food self-sufficiency, and motivation and difficulties related to this matter. Powered by TCPDF (www.tcpdf.org)
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Disconnected realities within Icelandic agriculture : A field study of farmers' narratives on the changing landscape of domestic agricultural production in Hrunamannahreppur, Southern Iceland.Thorkelsdóttir, Hrönn January 2020 (has links)
This thesis is situated in the academic sphere of human geography. The overall aim is to identify the current challenges and possibilities Icelandic farmers face in terms of changes in importation laws. This research is exemplary in its field as it uses the narratives of the stakeholders, farmers in this case, as the main data source. The research questions were as following: Is there an agricultural cluster in the region and if so, how does it work; what challenges and possibilities do farmers in the municipality of Hrunamannahreppur face in terms of the recent import law and lastly; according to the farmers, how do policies and laws in Icelandic agriculture ensure long-term farming practices in Iceland. The thesis uses theories of agricultural localization theory, cluster theory and the concepts of competitive and comparative advantages along with the concept of food self-sufficiency. The methods used are semi-structured qualitative interviews during a field study in southern Iceland. Data sources include seven qualitative interviews with farmers in the selected area, a review of agricultural policies and frameworks, and other sources such as articles and media. The main findings are that there is an unexplained disconnect within agriculture and its actors, indicating that policies give preferentiality to economic gain rather than preserving long-term farming in Iceland.
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The role of urban agriculture for a resilient cityTien, Hoang, Thi, Huong Ly, Chau, Ngoc Han 29 December 2021 (has links)
Humans are simultaneously facing challenges as climate change, epidemics and scarcity of food and water. It is estimated that by 2021 over 690 million of people will face hunger; by 2050 the global population will increase up to 10 billion with 68% of the population living in urban areas. By providing 30% of self-sufficient food in 2030, urban agriculture will be a practical concept to face these challenges. The work studies the role of agricultural land as a critical part for a resilient city. Parameters related to food production are also explored. As study case, this work aims to investigate the current food security of the Ho Chi Minh city (HCMC), offering productive green solutions at different scales from land-use planning, urban design to green roofs. For a production of 6.7 kg/day of vegetables a day, the costs of are approximately $10,000 for nearly 5.6 square meters of land; this points out A-Go-Gro technology as an effective measure for vertical farming. For example, 0.18 ha of green space can produce 2 tons of vegetables per day in the Lake View settlement (district 2 in HCMC). Moreover, due to green roofs, stormwater volumes directed into the sewer system are decreased by 65% and the penetration of electromagnetic radiation is reduced by 99.4%. / Loài người đang đồng thời đối mặt với những thách thức như biến đổi khí hậu, dịch bệnh, khan hiếm thực phẩm và nước. Ước tính đến năm 2021 có hơn 690 triệu người đói và đến năm 2050 dân số toàn cầu tăng lên gần 10 tỷ người, với 68% sống ở khu vực thành thị. Được sử dụng để tự cung tự cấp 30% lương thực vào năm 2030, nông nghiệp đô thị là một khái niệm hiệu quả cho những thách thức. Bài báo là nghiên cứu đất nông nghiệp như một phần quan trọng cho một thành phố có khả năng phục hồi. Các thông số liên quan đến sản xuất lương thực được nghiên cứu. Bài báo cũng tìm hiểu an ninh lương thực của thành phố Hồ Chí Minh hiện nay. Hơn nữa, bài báo đưa ra các giải pháp phủ xanh hiệu quả trên các quy mô khác từ quy hoạch sử dụng đất, thiết kế đô thị đến mái nhà xanh tại các hộ gia đình. Với chi phí 10.000 USD và gần 5,6 mét vuông đất trồng 6,7 kg rau mỗi ngày, công nghệ A-Go-Gro là một biện pháp hữu hiệu cho canh tác theo chiều dọc. Như vậy 0,18 ha không gian xanh có thể sản xuất 2 tấn rau mỗi ngày tại khu dân cư Lake View ở quận 2. Hơn nữa, bằng cách làm mái nhà xanh, nước mưa giảm đến 65% vào hệ thống cống và sự xâm nhập bức xạ điện từ giảm 99,4%.
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Pratiques de gestion de la biomasse au sein des exploitations familiales d’agriculture-élevage des hauts plateaux de Madagascar : conséquences sur la durabilité des systèmes / Biomass management on smallholder crop–livestock systems of highlands of Madagascar : effects on farm sustainabilityAlvarez, Stéphanie 17 December 2012 (has links)
Les exploitations mixtes d'agriculture-élevage sont le pilier des systèmes agricoles des pays en développement. Dans les hauts plateaux de Madagascar, les exploitations familiales d'agriculture-élevage sont basées sur l'association riz et élevage bovin. Les bovins ont un rôle central dans l'économie et la reconnaissance sociale de ces exploitations malgaches. Cependant ces exploitations sont souvent confrontées à des problèmes de faibles productivités liés à la dégradation de la fertilité des sols et à un accès limité aux intrants. Dans ce contexte, les exploitants doivent gérer les ressources végétales pour trouver un compromis entre alimentation humaine, alimentation animale et retours aux sols. Certaines pratiques de gestion des biomasses peuvent aggraver les phénomènes de dégradation de la fertilité des sols et remettre alors en cause la durabilité des exploitations. L'objectif de cette thèse est de montrer que la diversité des pratiques de gestion des biomasses au sein des exploitations familiales d'agriculture-élevage des hauts plateaux de Madagascar conditionne la durabilité des systèmes en termes de fertilité des sols, de recyclage des éléments nutritifs, de revenus et de sécurité alimentaire. Pour cela, il a été nécessaire de : i) caractériser au préalable la diversité des exploitations familiales d'agriculture-élevage du Vakinankaratra et de comprendre le fonctionnement de ces exploitations mixtes ; ii) étudier les effets des pratiques de gestion des parcelles sur la variabilité de la fertilité des sols des exploitations ; iii) évaluer la durabilité des exploitations d'agriculture-élevage et tester l'impact d'améliorations des pratiques d'alimentation animale, de gestion des effluents et de fertilisation sur la durabilité des exploitation. Quatre exploitations d'agriculture-élevage du Vakinankaratra, sélectionnées à dires d'experts, ont été enquêtées par immersion. Une étude typologique des exploitations d'agriculture-élevage du Vakinankaratra a été effectuée. Des prélèvements de sol ont été effectués pour l'ensemble des parcelles des quatre exploitations d'agriculture-élevage étudiées. Un outil de calcul des flux d'azote au sein des exploitations a été élaboré, puis a été associé aux matrices du Network Analysis afin de générer des indicateurs environnementaux, sociaux et économiques. Cet outil a été utilisé pour simuler les options d'améliorations des pratiques d'alimentation animale, de gestion des effluents et de fertilisation.L'étude typologique a identifié six types d'exploitations d'agriculture-élevage au Vakinankaratra. L'étude du fonctionnement des exploitations sélectionnées a mis en évidence d'une grande diversité des pratiques d'alimentation des animaux, de gestion des effluents d'élevage et de fertilisation. Une hétérogénéité de la fertilité des sols induite par les pratiques de gestion des parcelles a été révélée. Pour les quatre exploitations étudiées, l'amélioration des pratiques d'alimentation du troupeau bovin laitier associée à l'amélioration des pratiques de gestion des effluents d'élevage a permis d'améliorer la durabilité environnementale (efficience azotée globale, recyclage de l'azote, bilan azoté du sol), économique (marge brute agricole) et sociale (autosuffisance alimentaire).Ce travail a permis de caractériser la diversité des exploitations d'agriculture-élevage du Vakinankaratra, la diversité des pratiques et leurs effets sur la fertilité du/des sol. Cette étude s'est avérée être une approche intéressante pour évaluer des options d'amélioration de la durabilité des exploitations d'agriculture-élevage dans un contexte peu documenté. / Mixed crop-livestock systems constitute the backbone of agriculture in developing countries. In highlands of Madagascar, crop–livestock systems are based on rice and cattle. Cattle play a major role in the economy and the social recognition of these smallholder farms. Smallholder farms used to face with low crop productivity related to soil fertility degradation and to low access to inputs. In this context, smallholders have to manage plant resources in order to find a trade-off between food, feed and soil returns. Some biomass management may increase soil fertility degradation and then compromise farms sustainability.The objective of this thesis is to show that the diversity of biomass management on smallholder crop–livestock systems of highlands of Madagascar determines the sustainability of farming systems in terms of soil fertility, nutrients recycling, incomes and food security. For this, it was necessary to: i) characterize the diversity of crop-livestock systems in the region of Vakinankaratra and understand how smallholder farms are managed; ii) study the effects of soil management on the soil variability; iii) assess the farms sustainability and explore improvements of feeding, manure management and fertilization.Four crop-livestock farms of the Vakinankaratra (selected with local experts) were surveyed using participant observation methodology. A typology of crop-livestock farms was performed. Topsoil samples were collected in all plots of the four cases studies. A nitrogen flows calculating tool was developed and has been associated with Network Analysis matrices to generate environmental, social and economic indicators. This tool was used to simulate improvements in feeding, manure management and fertilization.The typology identified six farm types of crop-livestock systems in the Vakinankaratra. The farms study revealed a great diversity of animal feeding practices, manure management and fertilization. Heterogeneity of soil fertility induced by farmer management was shown. For the four case studies, improved feeding practices on dairy combined with improved manure management have increased environmental (farm nitrogen efficiency, nitrogen recycling, soil nitrogen balance), economic (agricultural gross margin) and social (food self-sufficiency) sustainability.This study characterized the diversity of crop-livestock farms of the Vakinankaratra, the diversity of practices and their effects on soil fertility. It proved to be an interesting approach to explore options for improving sustainability of crop-livestock farms in context of data scarcity.
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Potravinová soběstačnost Evropské unie / Self-Sufficiency of Food in the European UnionChum, Jan January 2008 (has links)
This thesis deals with the European Union's food self-sufficiency. The aim is to try to assess the impact of EU agricultural policies on food sovereignty of Member States and countries outside the EU. The work will evaluate the production of food self-sufficiency in the European Union and the EU for different types of production. The work will assess the impacts of agricultural policies on the Union's agricultural production and international trade. International trade can be used to ensure self-sufficiency, so it is also included in the work. The work will also focus on the restrictions under the WTO and trade between the EU and the rest of the world. In addition to assessing the impact of the policies the work will also deal with future developments.
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Die voedselparadoks : 'n ondersoek na vraagstukke rondom voedselsekuriteit in Suid-AfrikaKotzé, Derica Alba 11 1900 (has links)
Text in Afrikaans / Summaries in Afrikaans and English / Miljoene mense ervaar voedselonsekerheid en een uit elke 50 hanger mense is woonagtig in Suid Afrika. Daar is genoeg voedsel op ons planeet om elke mens van 'n voldoende voorraad voedsel te verseker; dit waarborg egter nie voedselsekuriteit aan almal nie. Dit is die voedselparadoks: ondanks globale surplusproduksie van voedsel, ly miljoene mense wereldwyd aan wanvoeding en honger, maar veral in die ontwikkelende lande. Suid-Afrika is geen uitsondering nie en ten spyte van selfvoorsiening in voedsel, balanseer die voedselgelykstelling nie. Daar bestaan 'n ekstreme gaping tussen die produksie en verbruik van voedsel. Gevolglik is die probleem wat nagevors is in hierdie studie die gebrek aan voedselsekuriteit binne 'n wereldkonteks met voedselsurplusse en hoe dit reflekteer in Suid-Afrika. Teen hierdie agtergrond is daar 'n studie gedoen van die oorsake van
voedselonsekerheid en die teoriee en verduidelikings van hongersnood.
Die fokus van hierdie navorsingstudie is drieledig van aard. Eerstens fokus dit op 'n konseptuele ondersoek na hanger, armoede, voedselsekuriteit en hongersnood in Afrika. Tweedens is ondersoek ingestel na die oorsake vir die gebrek aan voedselsekuriteit in Afrika. Derdens is daar gefokus op Suid-Afrika en is 'n ondersoek gedoen na die voorkoms van hanger, wanvoeding, armoede en die nasionale konteks van voedselsekuriteit met die doel om vraagstukke daaromheen te identifiseer. Daar is bevind dat voedselsekuriteit bepaal word deur die beskikbaarheid van voedsel (aanbod) en die vermoe van mense om dit te bekom (aanvraag). Dit blyk dat die ontwikkelingsproses, regeringsbeleid, ekologiese omgewing en tegnologie, wetenskap en navorsing 'n direkte invloed het op die voedselsekuriteit van mense, en dat Suid-Afrika nie verskil van ander Afrikalande in hierdie
verband nie. Hoewel Suid-Afrika voedselselfvoorsiening bereik het, ly miljoene mense honger weens
armoede en die gebrek aan aansprake wat bydra tot 'n gebrek aan voedselsekuriteit. Die studie toon
dat die Suid-Afrikaanse regering verskeie beleidsmaatreels in plek het ter bevordering van
voedselsekuriteit, maar dat dit nie in die praktyk verwesenlik word nie. / Millions of people in the world experience food insecurity and one out ofevery 50 hungry people lives in South Africa. There is enough food on our planet to assure every person of an adequate supply of food; however, this does not guarantee food security for all. This is the food paradox: despite a global surplus production of food, millions of people experience malnutrition and hunger all over the world, but especially in the developing countries. South Africa is no exception and despite self-sufficiency in food, the food equation is not balanced. An extreme gap exists between the production and consumption of food. Consequently, the problem researched in this study is the lack of food security in a world context with surplus food and how this is reflected in South Africa. Against this background a study was undertaken of the causes of food insecurity and the theories and explanations of famine.
The focus of this research study is threefold. Firstly it focuses on a conceptual enquiry intohunger, poverty, food security and famine in Africa. Secondly there is an enquiry into the causes of the lack of food security in Africa. Thirdly it focuses on South Africa and an enquiry is done into the incidence of hunger, malnutrition and poverty, and into the national context of food security with the aim of identifying relevant problems in food security.
It was found that food security is determined by the availability of food (supply) and the
capability of people to obtain it (demand). It appears that the development process, government policy,
ecological environment and technology, science and research directly affect the food security of people, and that South Africa does not differ from other African countries in this regard. Although South Africa has achieved food self-sufficiency, millions of people experience hunger because of poverty and the lack of entitlements. The study shows that the South African government has various policy measures for the promotion of food security in place, but that food security does not materialise in practice. / Development Studies / D.Litt. et Phil. (Ontwikkelingsadministrasie)
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Die voedselparadoks : 'n ondersoek na vraagstukke rondom voedselsekuriteit in Suid-AfrikaKotzé, Derica Alba 11 1900 (has links)
Text in Afrikaans / Summaries in Afrikaans and English / Miljoene mense ervaar voedselonsekerheid en een uit elke 50 hanger mense is woonagtig in Suid Afrika. Daar is genoeg voedsel op ons planeet om elke mens van 'n voldoende voorraad voedsel te verseker; dit waarborg egter nie voedselsekuriteit aan almal nie. Dit is die voedselparadoks: ondanks globale surplusproduksie van voedsel, ly miljoene mense wereldwyd aan wanvoeding en honger, maar veral in die ontwikkelende lande. Suid-Afrika is geen uitsondering nie en ten spyte van selfvoorsiening in voedsel, balanseer die voedselgelykstelling nie. Daar bestaan 'n ekstreme gaping tussen die produksie en verbruik van voedsel. Gevolglik is die probleem wat nagevors is in hierdie studie die gebrek aan voedselsekuriteit binne 'n wereldkonteks met voedselsurplusse en hoe dit reflekteer in Suid-Afrika. Teen hierdie agtergrond is daar 'n studie gedoen van die oorsake van
voedselonsekerheid en die teoriee en verduidelikings van hongersnood.
Die fokus van hierdie navorsingstudie is drieledig van aard. Eerstens fokus dit op 'n konseptuele ondersoek na hanger, armoede, voedselsekuriteit en hongersnood in Afrika. Tweedens is ondersoek ingestel na die oorsake vir die gebrek aan voedselsekuriteit in Afrika. Derdens is daar gefokus op Suid-Afrika en is 'n ondersoek gedoen na die voorkoms van hanger, wanvoeding, armoede en die nasionale konteks van voedselsekuriteit met die doel om vraagstukke daaromheen te identifiseer. Daar is bevind dat voedselsekuriteit bepaal word deur die beskikbaarheid van voedsel (aanbod) en die vermoe van mense om dit te bekom (aanvraag). Dit blyk dat die ontwikkelingsproses, regeringsbeleid, ekologiese omgewing en tegnologie, wetenskap en navorsing 'n direkte invloed het op die voedselsekuriteit van mense, en dat Suid-Afrika nie verskil van ander Afrikalande in hierdie
verband nie. Hoewel Suid-Afrika voedselselfvoorsiening bereik het, ly miljoene mense honger weens
armoede en die gebrek aan aansprake wat bydra tot 'n gebrek aan voedselsekuriteit. Die studie toon
dat die Suid-Afrikaanse regering verskeie beleidsmaatreels in plek het ter bevordering van
voedselsekuriteit, maar dat dit nie in die praktyk verwesenlik word nie. / Millions of people in the world experience food insecurity and one out ofevery 50 hungry people lives in South Africa. There is enough food on our planet to assure every person of an adequate supply of food; however, this does not guarantee food security for all. This is the food paradox: despite a global surplus production of food, millions of people experience malnutrition and hunger all over the world, but especially in the developing countries. South Africa is no exception and despite self-sufficiency in food, the food equation is not balanced. An extreme gap exists between the production and consumption of food. Consequently, the problem researched in this study is the lack of food security in a world context with surplus food and how this is reflected in South Africa. Against this background a study was undertaken of the causes of food insecurity and the theories and explanations of famine.
The focus of this research study is threefold. Firstly it focuses on a conceptual enquiry intohunger, poverty, food security and famine in Africa. Secondly there is an enquiry into the causes of the lack of food security in Africa. Thirdly it focuses on South Africa and an enquiry is done into the incidence of hunger, malnutrition and poverty, and into the national context of food security with the aim of identifying relevant problems in food security.
It was found that food security is determined by the availability of food (supply) and the
capability of people to obtain it (demand). It appears that the development process, government policy,
ecological environment and technology, science and research directly affect the food security of people, and that South Africa does not differ from other African countries in this regard. Although South Africa has achieved food self-sufficiency, millions of people experience hunger because of poverty and the lack of entitlements. The study shows that the South African government has various policy measures for the promotion of food security in place, but that food security does not materialise in practice. / Development Studies / D.Litt. et Phil. (Ontwikkelingsadministrasie)
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