E-Dissertationen: E-Dissertationen: Neuzugänge
Anzeige der Dokumente 661-680 von 1169
-
The Role of Civil Society in the Promotion of Small and Medium Scale Entrepreneurial Development: A community level empirical study in the Western Region of Ghana
(2014-07-01)Approaches towards supporting economic growth particularly within the West African sub region have experienced structural setbacks common to most developing economies. Within growing economies such as Ghana, the development ... -
Dynamik des spezifisch gebundenen Ammoniums unter Einfluss der Fruchtfolge und der Wurzelarchitektur landwirtschaftlicher Nutzpflanzen
(2014-06-24)Ziel der vorliegenden Arbeit war es, den Beitrag des im Unterboden spezifisch gebundenen Ammoniums (spez. geb. NH<sub>4</sub><sup>+</sup>) für die Stickstoffernährung von Nutzpflanzen zu erfassen. Dazu wurden Einflussfaktoren ... -
Trees, crops, and rural livelihoods: Afforestation of marginal croplands in Uzbekistan
(2014-06-17)The livelihoods of rural population in Uzbekistan, Central Asia, highly depend on irrigated agriculture. However, agricultural production is threatened by the impacts of land degradation, irrigation water scarcity and ... -
The relevance of dietary insulin demand and dietary protein intake during adolescence for the development of body composition and the adult GH-IGF axis
(2014-05-26)Obese children are likely to stay obese, resulting comorbidities may emerge already in childhood and tend to persist until adulthood. So-called critical periods for overweight development are early life, the time around ... -
Efficient Water Allocation and Water Conservation Policy Modeling in the Aral Sea Basin
(2014-06-03)Increasing water demand in the Aral Sea basin (ASB) challenges policy makers to implement in-time and effective water management measures to mitigate both the on-going and upcoming water crisis in the region. This study ... -
Effects of fungicides on physiological parameters and yield formation of wheat assessed by non-invasive sensors
(2014-05-15)Apart from fungicidal effects, some fungicide classes have been reported to induce physiological changes in crops such as increased tolerance to abiotic stress, delayed senescence of the photosynthetic leaf area and ... -
Dimensioning Branched Water Distribution Networks for Agriculture
(2014-05-26)The implementation of water distribution networks for irrigation represents an important investment for the development of many countries and for food security. These investments are mostly executed based solely on engineering ... -
Exosomal and non-exosomal circulatory miRNAs in bovine follicular fluid: potential role of exosomal miRNAs in oocyte development
(2014-04-23)Growth and development of bovine follicle and oocyte is the result of series of complex and coordinated processes that involves extensive cell-to-cell communication in the follicle. This phenomenon involves enormous complex ... -
Abnormal profits and profit persistence: evidence from the European food industry
(2014-04-14)This thesis comprises three papers that aim to analyze the phenomenon of firm profits in the European food industry that differ from the competitive norm either at a specific point in time or over longer time periods. The ... -
Hemerobe Uferstrukturen des unteren Mittelrheins und ihre vegetationskundliche Bedeutung
(2014-04-07)Die Ufer des Unteren Mittelrheins zwischen Bonn und Koblenz sind wie andernorts stark anthropogen überprägt. Ziel der vorliegenden Arbeit ist das grundlegende Verständnis der hemeroben Ufervegetation dieses Rheinabschnittes ... -
Weather Derivatives Revisited: A discourse on scalability, feasibility and Sustainability
(2014-04-02)Over the last decade, weather derivatives have been offered in developing countries to mitigate weather risk in agriculture, but the demand remains low. Chapter One explains this demand anomaly by decomposing an insurance ... -
Beurteilung von Wetterderivaten als Innovation im Risikomanagement landwirtschaftlicher Betriebe
(2014-04-17)Wetterderivate sind relativ neue Instrumente im Risikomanagement. Sie bestimmen aus einem objektiv messbaren Wetterindex ihre Auszahlungssummen und überwinden somit einige Schwächen klassischer Versicherungslösungen, wie ... -
Carbon Footprint ausgesuchter gartenbaulicher Kulturen im Rahmen eines Pilotprojektes zur neuen PAS 2050-1: Bewertung der Treibhausgasemissionen entlang der Wertschöpfungskette
(2014-03-26)Gegenstand der vorliegenden Dissertation ist die Untersuchung der Treibhausgasemissionen von Spargel, Rhabarber und Erdbeeren, die mit Hilfe verschiedener Anbaumethoden zur Verfrühung des Erntezeitpunktes in Deutschland ... -
Strategies for risk oriented inspections between customers and suppliers in agri-food supply chains
(2014-05-02)One of the primary outcomes of this thesis has been to develop an assessment model of the operational and organisational structure with regard to the AMOR approach (Alliances for the Mutual Organisation of Risk oriented ... -
Retrieval of Sea Level and Surface Loading Variations from Geodetic Observations and Model Simulations: an Integrated Approach
(2014-04-07)The mass distribution in the system Earth changes dynamically over time. Time-variable mass transport mainly arises from the interplay between the terrestrial hydrological water cycle, the ocean and atmosphere, and the ... -
Characterisation of fitness parameters and population dynamics of Botrytis cinerea for the development of fungicide resistance management strategies in grapevine
(2014-03-18)Gray mold caused by the fungus<i>Botrytis cinerea</i> is an economically important disease in grapevine. The pathogen has a high tendency to become resistant to frequently applied systemic fungicides. Only a few years after ... -
Energy and protein intake, anthropometrics, disease burden and 1-year mortality in elderly home-care receivers living in Germany
(2014-02-25)The demographic structure in Germany has changed remarkably within the last decades. The number of old and very old people rises steadily and subsequently the number of elderly home-care receivers. Quality of life of this ... -
Assessing People´s Early Warning Response Capability to Inform Urban Planning Interventions to Reduce Vulnerability to Tsunamis: Case Study of Padang City, Indonesia
(2014-03-10)In the last decade, more emphasis is given on the human aspect of early warning or the attribute of “people-centered” early warning systems. This study seeks to better understand the specific conditions that shape people´s ... -
Analysis of functional candidate genes related to ubiquitination process for meat quality in commercial pigs
(2014-03-07)During the conversion from muscle to meat, the degradation of myofibrillar proteins impacts on the water holding capacity of meat. Besides the calpain/calpastatin proteolytic system, the activity of ubiquitin proteasome ... -
Characterization of adiponectin at different physiological states in cattle based on an in-house developed immunological assay for bovine adiponectin
(2014-02-07)Adipose tissue (AT), through secretion of adipokines, plays a central role in regulating metabolism. Adiponectin is one of the most abundant adipokines and is linked with several physiological mechanisms such as insulin ...
