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CO2OK: CO2 – optimierte Großküchen in Hessen - Bilanzierung und Optimierung - Organic Eprints
Wirz, Axel; Theurl, Michaela C.; Schäfer, Freya; Erhart, Anja.
Ziel des Projektes war es mit Bezug auf die allgemeinen Klimaschutzziele des Landes Hessen Grundlagen für den bisher wenig beachteten Markt der Außer-Haus-Verpflegung (AHV) zu erheben. Dafür sollte eine Treibhausgas (THG) -Bilanzierung in ausgewählten Großküchen durchgeführt werden. Basierend auf den Ergebnissen wurden Optimierungsfelder erarbeitet und aufgezeigt. Zur Gewinnung der entsprechenden Grundlagen wurden sowohl standortbezogene Bilanzierungen als auch die Berechnungen von Einzelmenüs angestrebt. Die Ergebnisse der Bilanzierung sowie die aufgezeigten Optimierungsfelder bzw. THG-Einsparpotenziale, könnten als Basis dienen für die Ausarbeitung von vertiefenden Klimaschutzzielen im Bereich der AHV im hessischen Klimaschutzplan 2025.
Tipo: Report Palavras-chave: Processing; Packaging and transportation Air and water emissions.
Ano: 2016 URL: http://orgprints.org/31105/1/FiBLGmbH_CO2OK-Ergebniss_neutral.pdf
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Exploring the biophysical option space for feeding the world without deforestation Organic Eprints
Erb, Karl-Heinz; Lauk, Christian; Kastner, Thomas; Mayer, Andreas; Theurl, Michaela C.; Haberl, Helmut.
Safeguarding the world’s remaining forests is a high priority goal. We assess the biophysical option space for feeding the world in 2050 in a hypothetical zero deforestation world. We systematically combine realistic assumptions on future yields, agricultural areas, livestock feed and human diets. For each scenario, we determine whether the supply of crop products meets the demand and whether the grazing intensity stays within plausible limits. We find that many options exist to meet the global food supply in 2050 without deforestation, even at low crop-yield levels. Within the option space, individual scenarios differ greatly in terms of biomass harvest, cropland demand and grazing intensity, depending primarily on the quantitative and qualitative aspects...
Tipo: Journal paper Palavras-chave: Community development "Organics" in general Recycling; Balancing and resource management Biodiversity and ecosystem services.
Ano: 2016 URL: http://orgprints.org/30058/1/erb-etal-2016-NatureCommunication-7-11382-p1-9.pdf
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Ökobilanz von alternativen Phosphordüngemitteln Organic Eprints
Hörtenhuber, Stefan Josef; Theurl, Michaela C.; Möller, Kurt.
Während Dünger auf Basis von Phosphatgestein einen hohen abiotischen Ressourcenverbrauch bewirken, zeigen aufbereitete P-Recyclingdünger in Allgemeinen einen hohen Primärenergieverbrauch und relativ hohes Eutrophierungspotenzial. Kompost kann sehr ungünstige Ergebnisse beim Treibhaus-, dem Versauerungs- und dem Eutrophierungspotenzial aufweisen. Klärschlamm und dessen Aufbereitungsprodukte wie Asche oder Thomasphosphat-ähnliche P-Düngemittel zeigen zwar deutlich günstigere LCA Ergebnisse, sind aber problematisch hinsichtlich der P-Pflanzenverfügbarkeit oder einer Schadstoffanreicherung.
Tipo: Conference paper, poster, etc. Palavras-chave: Composting and manuring; Soil; Environmental aspects.
Ano: 2016 URL: http://orgprints.org/30534/1/H%C3%B6rtenhuber-et-al_LCA_P-D%C3%BCngemittel_ALVA_Tagungsband_2016.pdf
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Ökobilanzen von Recycling-Phosphor-Düngemitteln Organic Eprints
Hörtenhuber, Stefan Josef; Theurl, Michaela C.; Möller, Kurt.
Whereas fertilisers based on phosphate rock show a high abiotic resource depletion potential, phosphorous (P) recycling fertilisers such as struvite are related to a high fossil primary energy demand. Compost can result in very high acidification, eutrophication and global warming potentials. Sewage sludge, its ash and P-recycling fertilisers based thereon, Thomas phosphate or meat and bone meal as well as especially wood ash provide significantly lower environmental impacts but have partially other disadvantages, e.g. P-availability or pollutant accumulation. For future P-supply in agriculture, it is important to recover P from urban waste disposal. The life cycle assessment (LCA) represents an important contribution to analyse strengths and weaknesses...
Tipo: Conference paper, poster, etc. Palavras-chave: Soil quality Composting and manuring Recycling; Balancing and resource management Nutrient turnover.
Ano: 2017 URL: http://orgprints.org/31899/1/%C3%96kobilanzen%20von%20Recycling-Phosphor-D%C3%BCngemitteln.pdf
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Unheated soil-grown winter vegetables in Austria: Greenhouse gas emissions and socio-economic factors of diffusion potential Organic Eprints
Theurl, Michaela C.; Hörtenhuber, Stefan J.; Lindenthal, Thomas; Palme, Wolfgang.
The adaption of historic European cultivation techniques for unheated winter vegetable production has gained momentum during the last years in Austria. Studies that evaluate ecological and socio-economic sustainability-factors of these production techniques are scarce. In this study, we analyze the greenhouse gas emissions along vegetable supply chains based on a life cycle approach and investigate factors of the socio-economic system towards future market diffusion of these new-old technologies based on the Sustainability Assessment of Food and Agriculture Systems (SAFA) guidelines of the Food and Agriculture Organization (FAO). Data of the supply-chains of lettuce, spinach, scallions and red radish was collected from field trials in different climatic...
Tipo: Journal paper Palavras-chave: Processing; Packaging and transportation Air and water emissions Vegetables Produce chain management Evaluation of inputs.
Ano: 2017 URL: http://orgprints.org/32120/2/Theurl%20et%20al_Winter%20harvest_2017.pdf
Registros recuperados: 5
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