Insect meal has excellent potential as food or feed. There is a need to provide enough food for the growing population, which is linked to the increasing demand for livestock production. Meat and fish have always been the staple of the human diet as a rich source of proteins and fats for human nutrition. Fish is a good source of animal protein and fat for humans, which forms the basis of the diet of a large number of people who generally live in coastal areas. The increasing demand for fish is associated with a growing interest in high-quality and affordable fish feed. Nowadays, the main ingredient in fish feed is fishmeal, and the price is constantly increasing. The sustainability of the aquaculture industry depends on finding a substitute for fishmeal with the same nutritional value and availability. Recently, there has been a growing interest in animal protein from insects for fish fattening. This thesis focused on analysing insect meal from mealworm larvae (Tenebrio molitor) and its use for food and feed purposes. The theoretical part describes the mealworm, the use of insect meal for human nutrition, and fish fattening. It also describes the requirements of fish for individual nutrients and the characterisation of insects for feeding purposes, focusing on the mealworm used as an alternative feed ingredient in fish. The individual major nutrients, namely protein, lipids, fatty acids, amino acids, fibre, chitin, and selected minerals, were determined in the experimental part. The experimental part was divided into two parts, and the first part was divided into two phases. The first phase was used to determine the nutritional components in two fractions of insect meal from Tenebrio molitor larvae. The first fraction contained the fine fraction, and the second fraction the coarse fraction of insect meal. In the second phase, the content of nutritionally significant components was only determined in the insect meal from dried larvae without fractionation. A fish feed was designed from the analyses results. In the second part, the effect of the addition of insect meal from Tenebrio molitor for food purposes was investigated; specifically, the sensory properties of muffins were monitored. From the results, it can be observed that the nutritional composition of the insect meal suggests the possibility of using the mealworm larvae as an ingredient in the fish diet. The insect meal contains a high proportion of valuable proteins and lipids necessary for fish farming and a low proportion of carbohydrates, which unlike humans, fish do not need in their diet. The sensory analysis results indicate that consumers are not prepared to eat foods with added insects.

By 2050, it is estimated that food production will need to increase by 70 percent in developed countries and 100 percent in developing countries to meet the demands of future populations. In countries such as the United Kingdom - where the opportunities for increasing food production are limited due to the lack of available land - urban agriculture is seen as a possible solution to meeting increased food demand. However, many cities in the United Kingdom exhibit high building densities and the availability of space at ground level for agricultural activities is in short supply. As a result, the practice of urban agriculture in high-density cities is typically portrayed as a succession of purpose-built edifices that are filled with lettuces or livestock; illustrating a method of food production that is dependent on substantial investment and the demolition of existing buildings to succeed. Within this thesis, these large utopian agricultural skyscrapers are pushed to one side, and existing buildings become the focus of the research; so as to work with cities as they exist today rather than against them. The aim of this thesis is to determine the productivity of building integrated technical food systems and to understand the challenges that face their integration within existing buildings in the future, to calculate the cumulative impact of building integrated technical food systems on UK food security and to understand the potential benefits of building integrated technical food systems such as employment opportunities and the increase in green infrastructure. The delivery of this thesis is not dependent on a pre-existing hypothesis that building integrated technical food systems will drastically improve food security. Instead, this thesis relies on the design of real-world experiments, the development of simulated studies and the construction of logical arguments to quantify and qualify the potential impacts of building integrated technical food systems.

Made available in DSpace on 2014-06-11T19:30:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-02-22Bitstream added on 2014-06-13T19:00:42Z : No. of bitstreams: 1 castellani_d_dr_jabo.pdf: 941517 bytes, checksum: a1b6dfd865fb84d111db3c88294780cc (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / O objetivo deste trabalho foi avaliar o sistema integrado do berçário secundário do camarão-da-amazônia (Macrobrachium amazonicum) com o cultivo hidropônico de alface (Lactuca sativa L.) e agrião (Rorippa nasturtium aquaticum). O experimento foi conduzido durante o inverno no Setor de Carcinicultura do Centro de Aqüicultura da Unesp - CAUNESP – Jaboticabal, SP. Os juvenis I (provenientes do berçário primário) com peso médio inicial de 0,08±0,03g, foram estocados em quatro viveiros escavados (90m²) sob ambiente protegido em uma densidade de 80 juvenis/m². Os camarões foram alimentados com ração comercial peletizada (45% PB) a uma taxa de 9 a 6 % da biomassa. Após noventa dias de cultivo, foi observado aumento médio de 0,98g dos camarões e sobrevivência média de 76%. O sistema hidropônico utilizado foi o NFT - “Nutrient Film Thecnic”, no qual a água dos viveiros era bombeada e circulava nos canais hidropônicos durante intervalos de 15 minutos pré-determinados através de um temporizador, e após isso, retornavam para os viveiros. As mudas de alface e agrião foram transplantadas para o sistema aos 25 dias após a semeadura e cultivadas por 45 dias até serem colhidas. Foram estudados cinco tratamentos com seis repetições, para avaliar os efeitos da pulverização e/ou do gotejamento com solução nutritiva na biomassa das plantas cultivadas. O agrião conseguiu seu melhor desenvolvimento com duas pulverizações semanais e gotejamento. Esta hortaliça foi capaz de atingir o tamanho comercial mesmo sem a adição de solução nutritiva. No entanto a alface que não alcançou o tamanho comercial em nenhum tratamento utilizado. Portanto a água residual do sistema de berçário secundário de camarão-da-amazônia foi suficiente para atender a demanda no cultivo do agrião, mas não o da alface. O acréscimo nos valores de nutrientes... / Integrated system of the nursery Macrobrachium amazonicum (Heller, 1862) (Crustacea, Decapoda, Palaemonidae) with the hydroponics culture. The aim of this research was to study the integration of the secondary nursery of Macrobrachium amazonicum and the hydroponic culture of lettuces (Sativa Lactuca L.) and watercresses (Rorippa nasturtium aquaticum). The experiment was lead 90 days during the winter in the sector of prawn farming of the CAUNESP - Jaboticabal, SP. The juveniles, proceeding from the primary nursery (0.08±0.03g), had been stoked in four earthen ponds (90m2) under protected environment in a density of 80 juveniles/m2.The juveniles had been fed with a commercial marine shrimp diet (45% PB) to a tax of 9 to 6% of the biomass. After the total harvest, was observed an increase in the weight of the prawns of 0.08g for 1.06g and a survival of 76%. The maximum and minimum temperatures of the water of the ponds and the environment, the relative humidity of internal and external air to the protected system, the precipitation and daily sunstroke had been measured during the experiment. Was used hydroponics system “Nutrient Film Thecnic”, which the water of the ponds was pumped and remained in the hydroponics, and after this, returned for the ponds. The lettuces and watercresses had been planted for the system with 25 days of life and had remained per 45 days until being collected. Five treatments with six repetitions were tested, to evaluate the effect of the spraying and/or the dripping with nutritional solution in the biomass of the produced plants. The results indicate that water-cresses cultivated in hidroponia with water of the prawn farming nurseries had obtained its better development with a weekly two spraying and dripping. This plant was capable to exactly reach the commercial weight without the addition of nutritional solution... (Complete abstract, click electronic access below)

Orientador: Antonio Fernando Monteiro Camargo / Banca: Jairo Augusto Campos Araujo / Banca: Wagner Cotroni Valenti / Banca: Ana Eliza Baccarin Leonardo / Banca: Margarete Mallasen / Resumo: O objetivo deste trabalho foi avaliar o sistema integrado do berçário secundário do camarão-da-amazônia (Macrobrachium amazonicum) com o cultivo hidropônico de alface (Lactuca sativa L.) e agrião (Rorippa nasturtium aquaticum). O experimento foi conduzido durante o inverno no Setor de Carcinicultura do Centro de Aqüicultura da Unesp - CAUNESP - Jaboticabal, SP. Os juvenis I (provenientes do berçário primário) com peso médio inicial de 0,08±0,03g, foram estocados em quatro viveiros escavados (90m²) sob ambiente protegido em uma densidade de 80 juvenis/m². Os camarões foram alimentados com ração comercial peletizada (45% PB) a uma taxa de 9 a 6 % da biomassa. Após noventa dias de cultivo, foi observado aumento médio de 0,98g dos camarões e sobrevivência média de 76%. O sistema hidropônico utilizado foi o NFT - "Nutrient Film Thecnic", no qual a água dos viveiros era bombeada e circulava nos canais hidropônicos durante intervalos de 15 minutos pré-determinados através de um temporizador, e após isso, retornavam para os viveiros. As mudas de alface e agrião foram transplantadas para o sistema aos 25 dias após a semeadura e cultivadas por 45 dias até serem colhidas. Foram estudados cinco tratamentos com seis repetições, para avaliar os efeitos da pulverização e/ou do gotejamento com solução nutritiva na biomassa das plantas cultivadas. O agrião conseguiu seu melhor desenvolvimento com duas pulverizações semanais e gotejamento. Esta hortaliça foi capaz de atingir o tamanho comercial mesmo sem a adição de solução nutritiva. No entanto a alface que não alcançou o tamanho comercial em nenhum tratamento utilizado. Portanto a água residual do sistema de berçário secundário de camarão-da-amazônia foi suficiente para atender a demanda no cultivo do agrião, mas não o da alface. O acréscimo nos valores de nutrientes... (Resumo completo, clicar acesso eletrônico abaixo) / Abstract: Integrated system of the nursery Macrobrachium amazonicum (Heller, 1862) (Crustacea, Decapoda, Palaemonidae) with the hydroponics culture. The aim of this research was to study the integration of the secondary nursery of Macrobrachium amazonicum and the hydroponic culture of lettuces (Sativa Lactuca L.) and watercresses (Rorippa nasturtium aquaticum). The experiment was lead 90 days during the winter in the sector of prawn farming of the CAUNESP - Jaboticabal, SP. The juveniles, proceeding from the primary nursery (0.08±0.03g), had been stoked in four earthen ponds (90m2) under protected environment in a density of 80 juveniles/m2.The juveniles had been fed with a commercial marine shrimp diet (45% PB) to a tax of 9 to 6% of the biomass. After the total harvest, was observed an increase in the weight of the prawns of 0.08g for 1.06g and a survival of 76%. The maximum and minimum temperatures of the water of the ponds and the environment, the relative humidity of internal and external air to the protected system, the precipitation and daily sunstroke had been measured during the experiment. Was used hydroponics system "Nutrient Film Thecnic", which the water of the ponds was pumped and remained in the hydroponics, and after this, returned for the ponds. The lettuces and watercresses had been planted for the system with 25 days of life and had remained per 45 days until being collected. Five treatments with six repetitions were tested, to evaluate the effect of the spraying and/or the dripping with nutritional solution in the biomass of the produced plants. The results indicate that water-cresses cultivated in hidroponia with water of the prawn farming nurseries had obtained its better development with a weekly two spraying and dripping. This plant was capable to exactly reach the commercial weight without the addition of nutritional solution... (Complete abstract, click electronic access below) / Doutor

<div>The goal of this research was to improve crop yield and quality and enhance nutrient use efficiency of aquaponics for the development of sustainable aquaponic production system. Aquaponics is the integration of aquaculture and hydroponics by recirculating water and residual nutrients resulting from aquaculture wastewater into hydroponic crop production. The project had four objectives. The first objective was to characterize nutrient composition and accumulation in recirculating water and plant parts of tomato, basil, and lettuce grown in aquaponic systems, and to compare their growth and yield with those grown in hydroponic systems. The second objective was to determine the effects of feeding management regime on water quality, crop yield and quality, and N use efficiency for vegetable and herb production in recirculating aquaponics in comparison to hydroponics. The third objective was to optimize water-flow rate for efficient aquaponic system for maximum crop yield. The fourth objective was to investigate and compare the N and P mass balance between aquaponics and hydroponics. Four conclusions were determined that 1) Aquaponic solution was deficient in Ca and/or Mg leading to plant nutrient deficiency but sufficient or high in P; And luxuriant nutrient profiles in hydroponics are not necessary to enhance crop yield in aquaponics as long as key factors affecting crop yield are identified and properly addressed. 2) Uniform feeding regime improved water quality by reducing toxic ions and enhancing initial nutrient availability and considerably increased the yield, quality and nitrogen use efficiency (NUE) of crops in aquaponics as close or similar to those in hydroponics. 3) Flow rate is an important factor affecting water quality parameters and optimizing flow rate is essential to maximize aquaponic crop production and improve energy efficiency; High hydraulic loading rate at 3.3 m3/m2-day improved performance and yield of all crops in an aquaponics system regardless of their growth rate, but the water hydraulic loading rate for fast-growing and medium-growing crops can be reduced to 2.2 m3/m2-day without production reduction. 4) Plant species had significant influence on N and P removal and mass balance in aquaponics and hydroponics; Fruity vegetables showed better growth adaption in aquaponic system, while yields of leafy vegetables may be reduced when grown in aquaponics than hydroponics; Aquaponics is more efficient than hydroponics releasing less environmental wastes, however, N and P use efficiency in aquaponics and hydroponics can be further improved via proper management.</div><div>The important findings obtained from this research will fill the knowledge gap in aquaponic research and provide new management strategies to improve quantitative study of aquaponic crop production and new management strategies for cultivating crops in aquaponics. The findings will also greatly contribute to the commercial aquaponic development, and ultimately improve food security and resource use efficiency in the US and global agricultural production.</div>

Aquaponik-Systeme stellen an sich einen sehr nachhaltigen, innovativen Ansatz für die zukünftige Lebensmittelproduktion dar. Allerdings hat sich bis heute noch kein flächendeckender, ökonomischer Erfolg eingestellt und wesentliche systemische Engpässe wurden wissenschaftlich nicht untersucht. Daher waren die Hauptziele dieser Dissertation, (I) sichere Nitratkonzentrationen in geschlossenen Kreislaufanlagen (RAS) zu ermitteln, unter denen optimales Wachstum und Tierwohl produzierter Tilapien gewährleistet ist, (II) die Evaluierung des besten Designkonzeptes für die optimale, kombinierte Produktion von Fisch und Pflanzen und (III) die allgemeine Effizienz bei der Wiederverwertung des Abwassers und der Nährstoffe aus dem Schlamm der mechanischen Filtrationseinheiten in aquaponischen Systemen zu erhöhen. Das Wachstum und die Gesundheit von Niltilapien (Oreochromis niloticus) wird durch hohe Nitratkonzentrationen (> 500 mgL-1 NO3--N) negativ beeinflusst. Nitratkonzentrationen, die für die Produktion von Pflanzen in aquaponischen Systemen (~ 200 mgL-1 NO3--N) optimal sind, haben keinen negativen Einfluss auf das Tierwohl. Entkoppelte Kreislaufsysteme sind bei einer professionellen aquaponischen Produktion von Fisch und Pflanzen zu bevorzugen. Bei der Produktion von Fisch ergab sich keinerlei Unterschied, jedoch wurde eine deutlich gesteigerte Tomatenproduktion von 36 % in entkoppelten Kreislaufsystemen erreicht. Die aerobe Mineralisation zeigte das beste Rückgewinnungpotential von Phosphat und nur geringe Nitratverluste und kann in der Gesamtheit eine deutliche Effizienzsteigerung aquaponischer Systeme zur Folge haben. Die Ergebnisse dieser Dissertation zeigen die Engpässe in der Aquaponik klar auf und liefern gleichzeitig Lösungsansätze, wie diese Hindernisse in Bezug auf das Nährstoff- und Ressourcenmanagement überwunden werden können. Dadurch kann die Nachhaltigkeit dieser Anlagen gesteigert und die Wahrscheinlichkeit des wirtschaftlichen Erfolges erhöht werden. / Aquaponics is the combination of fish production in aquaculture and hydroponic (soilless) production of crop plants. Despite of representing already a sustainable, innovative approach for future food production systems, aquaponics are still missing economic success and up to date major bottlenecks were not scientifically addressed. Therefore the main aims of this thesis were (I) to identify safe nitrate concentrations under which best growth and health status of tilapia can be guaranteed in aquaponics, (II) to evaluate the best design concept for an optimal combined production of fish and plants and (III) to increase the overall system efficiency by recycling waste water and nutrients deposited in the sludge of the mechanical filtration unit. The growth and health status of Nile tilapia (Oreochromis niloticus) is negatively affected by high nitrate concentrations (> 500 mgL-1 NO3--N) commonly reported for RAS. Nevertheless, optimal nitrate concentrations for plant production in aquaponic systems (~ 200 mgL-1 NO3--N) are not affecting fish welfare and allow for an efficient production of Nile tilapia. Decoupled aquaponics proved to be favorable for professional aquaponic production, whereas coupled systems were suboptimal for a combined production of fish and plants. There were no differences in fish production, whereas tomato production within the decoupled system was considerably increased by 36 %. Aerobic mineralization of phosphate revealed best phosphate recovery with only minor losses of nitrate. Recycling of water sludge mixture from clarifiers resulted in a substantial phosphor recovery, an increase in potassium and additional water savings. Conclusively, the results of this holistic thesis clearly revealed the bottlenecks in aquaponic technology and provided guidance in overcoming mayor obstacles in terms of optimized nutrient and resource management to increase the overall sustainability of these systems and improve production efficiency and profitability.

The issue of sustainability has greatest significance in the midst of unilateral bio-socioeconomic degradation resulting from intense and increasing societal pressures placed on the unified global ecology. In such an environment, sustainable development seeks to manage natural resources within a free market economy, aiming to meet the needs of today's population, and to protect and enhance current resource quality and abundance. In this light, techniques of integrated sustainable primary production and wastewater management are the subject matters of this applied research. There are many researchable issues which could be addressed within the subject matter. The first focus in the research scope was driven by the most severe sustainability issue facing Central Queensland (Australia) in 2000: the depletion and degradation of freshwater supplies. Central Queensland (CQ) is an arid sub-tropical region that has suffered from a marked reduction in rainfall and increase in temperature over the last 100 years, {Miles, 2004 #172}, and by the year 2000, conditions had been exacerbated by eight years of severe drought and warmer than average temperatures and resulted in widespread animal and crop failures due to freshwater shortages. Such a problem required a multi-faceted ecological, social, and economic approach. Hence, research centred on investigating the science of integrating regional water-related industries and agribusiness, and biodiverse ecosystems to achieve water and wastewater reuse applications, and associated eco-socioeconomic benefits. Specifically, this research investigates the integration of (a) electrical power station wastewater (b) barramundi culture, (c) red claw culture, (d) constructed wetlands (for water quality management and habitat creation), and (e) hydroponic flower culture. This research produced outcomes of integrated water and wastewater reuse and recycling, marketable agriproducts production (fish, crayfish, and flowers), water and wastewater reuse and conservation, wetland primary production, carbon dioxide sequestration, aquatic pollution control, and biodiversity creation and support. Successful design and management, experimental trialing and evaluation of system components and subjects, and the development of a knowledge base including static and dynamic system models, represent advances in respective research areas, and underpin the emerging discipline of integrated systems approaches to eco-socioeconomic development. Additionally, several gaps in the current body of knowledge regarding integrated systems were filled, and interactive management tools were developed. Apart from this study, the integration of technologies (as described above) has not, to this author's knowledge, been accomplished.

There is limited evidence-based data on income-generating interventions, both within thehumanitarian and the development field. Nevertheless, there is a growing and unavoidable nexus between the two fields, and therefore also, within their methodologies for measuring project intervention results, as well as their success rates. The challenge in many cases,however, is finding a measuring system which does not only account for a project’s expenditures, but can also tell something about a project’s effectiveness, which can then be compared to similar intervention’s results, and applied in future endeavors. Hence, this study analyzes the economic effectiveness of an Income Generating Activity (IGA) project in rural Guatemala as a case study, using an Economic Rate of Return (ERR) as the basis of measurement, which is acquired using a cost-benefit analysis (CBA). The study draws on the various viewpoints of scholars on the subject, taking into account different Monitoring and Evaluation (M &amp; E) practices, particularly in the manners carried out by the United Nations and the World Bank, as they have long histories of M &amp; E practices in the field. It especially lays emphasis on the Sustainable Livelihoods Framework (SLF), which is a tool which is often used within humanitarian work as well as in development to determine possible economic opportunities in communities. Although the study aims at IGA programs in the humanitarian sector, data within development projects is also explored in this thesis, because longer timeframes within development, allow for more careful study of long-term results, which is usually a requirement for the evaluation of livelihood. Results within the development sector allow for more careful study of results, and more certain conclusions than within the humanitarian sector, which due to its emergency settings, usually has a more difficult time collecting data.This study then makes an ex-ante analysis of the case study in question, which is a potential aquaponic fish tank project, with economic benefits, in the unattended, post-disaster settings of San Andrés Osuna, Guatemala, following the eruption of the Volcan de Fuego, in 2018. The study reveals that the project has a potential ERR of 280 percent, compared to other WorldBank projects which tend to have an ERR ranging between 15 and 25 percent. Nevertheless, other projects which have also been explored by this study, also offer results ranging ERRs of about 280 percent as well. Many times, projects utilize cost-efficiency analysis which make them more difficult tocompare and contrast to other projects than if they had used ERR results, to measure the projects’ success. This comparison of projects can help decision makers better allocate their resources to the most efficient income generating projects in the future, which can therefore better economic livelihoods of people in post-disaster settings. The World Bank has used this ERR as an indicator for their cost-benefit analyses for the past 70 years, but is increasingly utilizing it less and less, whilst other humanitarian and financial organizations, do not use it at all; making this a possible issue within the field.

Sveriges livsmedelssystem står inför stora utmaningar såsom negativ miljöpåverkan och beroendet av att importera både livsmedel och insatsvaror. Livsmedelsproduktionen, som idag domineras av det konventionella jordbruket, har bland annat inneburit utarmade jordar och exploaterade resurser samt utsläpp av gifter. Studien syftar till att sammanställa och jämföra den vetenskapliga forskningen och samhällsdebatten angående alternativ livsmedels-produktion. Studien är avgränsad till att redogöra för produktionssystemen regenerativa jordbruk och akvaponiska system. Den vetenskapliga forskningen angående regenerativa jordbruk och akvaponiska system sammanställdes i ett kunskapsläge. En kvalitativ innehållsanalys utfördes för att identifiera och sammanställa samhällsdebatten kring systemen. Samhällsdebatten rörande de två alternativa livsmedelsproduktionssystemen bildade följande teman: den samordnande rösten, den offentliga rösten, forskarens röst, den operativa rösten, samt den övriga rösten. Inom dessa teman identifierades följande sex kodord: livsmedelsförsörjning, miljömässiga aspekter, ekonomiska aspekter, sociala aspekter, utmaningar samt möjligheter. I vår undersökning har vi inte formulerat några nya begrepp, däremot har vi funnit samband såväl som avvikelser och glapp mellan samhällsdebatten och den vetenskapliga forskningen. / Sweden's food system faces major challenges such as negative environmental impact and is dependent on importing both food and intermediate goods. Food production, which today is dominated by conventional agriculture, has meant, among other things, depleted soils and exploited resources as well as emissions of toxins. This study aims to compile and compare the scientific research and the public debate regarding alternative food production systems. The study is limited to account for the production systems regenerative agriculture and aquaponic systems. The scientific research regarding regenerative agriculture and aquaponic systems was compiled in a state of knowledge. A qualitative content analysis was performed to identify and compile the public debate about the systems. The public debate concerning alternative food production systems formed the following themes: the coordinating voice, the public voice, the researcher's voice, the operational voice, and the miscellaneous voice. Within these themes, the following six code words were identified: food supply, environmental aspects, economic aspects, social aspects, challenges and opportunities. In our study, we have not formulated any new concepts, however, we have found connections as well as discrepancies and gaps between the public debate and the scientific research.

During the COVID pandemic of 2019, Sweden saw a huge increase in food prices, as many of the country's grocery chains import a large amount of all foods. This research is motivated by the Swedish Parliament's motion "Self-Sufficiency of Food in Sweden" and the need for innovative solutions to enhance Sweden's food supply. This study focuses on alternative urban agriculture methods, with a focus on aeroponics, aquaponics, hydroponics, and vertical farming, and their potential for self-sufficiency in Sweden. This study aims to fill the gap in Swedish research on soilless urban farming methods and contribute to the understanding and acceptance of the alternative methods above. The study seeks to determine whether the yield of alternative cultivation methods is comparable to traditional methods, soil-based and greenhouse-based farming, in terms of resources invested and to identify the alternative method with the highest yield. Resources in this thesis will be defined as the amount of water that is used. Our thesis aims to support businesses and local governance in decision-making regarding implementation of alternative urban farming in Sweden. A literature search was conducted using keywords such as hydroponic, vertical farming and sustainability. Statistical analysis of collected data indicates significant differences in yield and water usage among the collected examples which resulted in vertical hydroponic farming offering the highest yield in terms of space utilization, with significant statistical significance (p &lt; 0.05). Additionally, hydroponic farming requires the least amount of water compared to other methods although this is not a certainty as there was no significant statistical difference between the different methods. The study demonstrates that hydroponic farming can achieve higher yields compared to traditional soil-based farming and other alternative farming methods. The study emphasizes organizational and governmental solutions to improve self-sufficiency at the local and national levels. Alternative urban farming methods offer a sustainable contribution to increasing self-sufficiency while minimizing resource usage. / Denna studie undersöker potentialen hos alternativa urbana odlingsmetoder för självförsörjning i Sverige. Den svenska riksdagen stödjer motion om "Självförsörjning av mat i Sverige" och behovet av innovativa lösningar för matförsörjning i landet. Denna forskning fyller en kunskapsbrist i den svenska litteraturen om jordlösa odlingssystem såsom aeroponiska, akvaponiska, hydroponiska och vertikala odlingar. Syftet med studien är att sammanfatta den befintliga kunskapen om dessa alternativa odlingsmetoder och klargöra deras fördelar i en urban miljö. Denna studie strävar att stödja företag och lokala myndigheter vid implementering av alternativa odlingsmetoder, genom att studera de alternativa odlingsmetodernas avkastning i förhållande till resursanvändning. Studien har samlat exempel från forskningsartiklar och företags-hemsidor som använde de ovan nämnda alternativa odlingsmetoder som sedan analyserats och jämfört deras avkastning med traditionella jordbaserade odlingar såsom åker odlingar och växthusbaserade odlingar. Med den statistisk analys som gjorts har vi funnit att vertikal hydroponisk odling visar den högsta avkastningen per yta jämfört med de andra alternativa odlingsmetoderna och traditionella odlingar. Vi har dessutom fastställt att hydroponiska odlingar använder minst vatten per kg skörd i jämförelse med andra metoder. Studien betonar vikten av att fokusera på organisatoriska och statliga lösningar för att öka självförsörjningsgraden på lokal och nationell nivå. Medan privatpersoner kan vara självförsörjande med grönsaker och frukt på en normalstor tomt, kan det vara svårt för alla privatpersoner att upprätthålla en egen grönsaksträdgård och undvika skador på marken och ekosystemtjänsterna i staden. Därmed riktar vi denna studie till kommunen och staten som ett stöd för att säkerställa självförsörjning på en lokal och regional nivå. För att uppnå hållbar samhällsutveckling och stödja självförsörjning av mat i Sverige, är integreringen av alternativa urbana odlingsmetoder på lokal, regional och nationell nivå ett innovativt steg framåt. Metoderna nämnda i denna rapport erbjuder fördelar såsom effektiv minskad vatten- och markanvändning samt möjlighet att integrera odling i stadsområden. Genom att använda dessa odlingsmetoder kan Sverige öka sin självförsörjningsgrad och minska sin miljöpåverkan från livsmedelsproduktionen. Framtida forskning bör utforska och utveckla dessa innovativa lösningar för att möta Sveriges matförsörjnings- och hållbarhetsmål.