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Over the past two decades social protection has gained importance at the international and the national level of many low and middle income countries. Despite reforms in this sector being a global phenomenon, they differ from country to country. Traditional efforts to explain these dif- ferences focus on domestic factors. Yet it remains unclear how international influences and interdependencies contrib- ute to policy change. The study ‘International Policy Learn- ing and Policy Change’ aims at providing an answer to this question, by focusing on ‘soft governance’ via horizontal processes, meaning processes between equal actors. The studie was carried out in two parts. While in Part I the cur- rent state of the art in relevant research fields was assessed, in Part II the findings from Part I were used to conduct a survey which analyses the role of policy networks.
Im Projekt wurden die Nachhaltigkeitspotentiale partizipativer landwirtschaftlicher Produktionskonzepte exemplarisch untersucht und der Versuch gemacht, deren Zufriedenheitspotential für Erzeuger und Bürger zu erfassen. Die landwirtschaftlichen Betriebe konnten dabei auf der Grundlage der Leitlinien der Sustainability Assessment of Food and Agriculture (SAFA) in den Dimensionen gute Unternehmensführung, ökologische Integrität, ökonomische Resilienz und soziales Wohlergehen bewertet werden. Die einzelnen Ergebnisse sind nach Dimensionen und korrespondierenden Indikatoren in diesem Working Paper beschrieben. Zudem konnten Handlungsempfehlungen auch dazu erarbeitet werden, wie Untersuchungen anhand der SAFA-Leitlinien erfolgreich durchgeführt werden können.
Smallholder farmers as a backbone for the implementation of the Sustainable Development Goals
(2018)
Current global challenges such as climate change, lack of resources, desertification, land degradation as well as loss of biodiversity can ultimately be due to human actions. Reasons are excessive production and consumption of goods and services, along with using and consuming natural resources, causing emissions and waste products. Demand in the form of consumption and supply in the form of production are closely intertwined.
Remineralizing soils? The agricultural usage of silicate rock powders in the context of One Health
(2022)
The concept of soil health describes the capacity of soil to fulfill essential functions and ecosystem services. Healthy soils are inextricably linked to sustainable agriculture and are crucial for the interconnected health of plants, animals, humans, and their environment ("One Health"). However, soil health is threatened through unprecedented rates of soil degradation. A major form of soil degradation is nutrient depletion, which has been seriously underestimated for potassium (K) and several micronutrients. One way to replenish K and micronutrients are multi-nutrient silicate rock powders (SRPs). Their agronomic suitability has long been questioned due to slow weathering rates, although recent studies found significant soil health improvements and challenge past objections which insufficiently addressed the factorial complexity of the weathering process. Furthermore, environmental co-benefits might arise through their mixture with livestock slurry, which could reduce the slurry’s ammonia (NH3) emissions and improve its biophysicochemical properties. However, neither SRPs effects on soil health, nor the biophysicochemical effects of mixing SRPs with livestock slurry have hitherto been comprehensively analyzed. The overall aim of this dissertation is thus to review the agricultural usage of SRPs in the context of One Health. The first part of this thesis starts with an elaboration of the health concept in general and then explores the interlinkages between soil health and One Health. Subsequently, the potentials and oftentimes bypassed problems of operationalizing soil health will be outlined, and feasible ways for its future usage are proposed. In the second part of the thesis, it is reviewed how and under which circumstances SRPs can ameliorate soil health. This is done by presenting a new framework with the most relevant factors for the usage of SRPs through which several contradictory outcomes of prior studies can be explained. A subsequent analysis of 48 crop trials reveals the potential of SRPs as K and multi-nutrient soil amendment for tropical soils, whereas the benefits for temperate soils are inconclusive. The review revealed various co-benefits that could substantially increase SRPs overall agronomic efficiency. The last part of the thesis reports about the effects of mixing two rock powders with cattle slurry. SRPs significantly increased the slurry´s CH4 emission rates, whereas the effects on NH3, CO2, and N2O emission rates were mostly insignificant. The rock powders increased the nutrient content of the slurry and altered its microbiology. In conclusion, the concept of soil health must be operationalized in more specific, practical, and context-dependent ways. Particularly in humid tropical environments, SRPs could advance low-cost soil health ameliorations, and its usage could have additional co-benefits regarding One Health. Mixing SRPs with organic materials like livestock slurry could overcome the major obstacle of their low solubility, although the effects on NH3 and greenhouse gas emissions must be further evaluated.
Erfassung der N-Dynamik verschiedener Wirtschaftsdünger in Wintergerste und Senf im Dürrejahr 2018
(2019)
In den letzten Jahren ist das Thema Nachhaltigkeit zu einem Schlüsselthema in vielen wissenschaftlichen und gesellschaftlichen Diskursen geworden. Ausgehend von natur-, technik-, politik- und zunehmend wirtschaftswissenschaftlichen Auseinandersetzung mit Fragestellungen im Kontext von Nachhaltigkeit, sind diese in den Mittelpunkt gesellschaftlicher und politischer Wahrnehmung gerückt.
Messkampagnen im Projekt METPVNET zur Verbesserung der PV- Erzeugungsprognose auf Verteilnetzebene
(2018)
Wirtschaft und Entwicklung: Die Bedeutung der Privatwirtschaft in der Entwicklungszusammenarbeit
(2013)
Der richtige Umgang mit Kritik ist in vielen Unternehmen noch eine große Herausforderung. So fehlt Vorgesetzten oft jegliche Sensibilität gegenüber diesem Thema. Daher schrecken die meisten Mitarbeiter davor zurück, sich an einem kritischen Dialog im Betrieb zu beteiligen. Dabei könnten hierdurch wichtige Potenziale an Kreativität in Betrieb und Gesellschaft ausgeschöpft und deren innere Stabilität erhöht werden.
Durch eine zusammenfassende Matrix bietet das Buch im Falle von Konflikten sowohl für junge als auch schon erfahrene Mitarbeiter sowie Vorgesetzte einen Leitfaden für das eigene Verhalten. Der Autor greift hierbei neben einem geschichtlichen Rückblick auf die Erfahrungen eines langen Berufslebens in einer international tätigen Institution zurück.