Auflistung nach Titel
Anzeige der Dokumente 2711-2730 von 9847
-
Ecology, biogeography and responses to habitat degradation of a highly diverse rainforest ant community and taxonomy of Afrotropical Pheidole Westwood (Hymenoptera, Formicidae)
Fischer, Georg (2012-11-23)This thesis is about the Kakamega Forest ant fauna in Kenya. With currently 329 ant species the region is the most diverse ever sampled in Africa and, in terms of altitude and biogeographic distribution, probably also one ... -
Econometric Analysis of Financial Risk and Correlation
Homm, Ulrich-Michael (2012-10-10)The contribution of this dissertation is threefold. First, econometric procedures to test for the occurence of asset price bubbles ex post and in real time are proposed. Real time monitoring procedures represent an additional ... -
Econometric specification of constrained optimization models
Jansson, Torbjörn (2007)This thesis provides a general estimation framework for econometric specification of constrained optimization models, with special attention to problems arising when (i) inequality constraints are present in the constrained ... -
Economic analysis of water use and management in the Middle Drâa valley in Morocco
Heidecke, Claudia (2010-02-17)In arid and semi arid regions of the world irrigation is crucial for agricultural production as it stabilizes the water supply for crops and, hence, prevents extreme fluctuations in production and prices. In the Drâa river ... -
Economic and policy mechanisms affecting land use decisions in the Brazilian agricultural frontier
Miranda Arana, A. Javier (2021-06-16)The sustainable use of land resources is one of the most complex challenges facing the 21st century. As Brazil is one of the countries most endowed with land resources, it can facilitate global food and energy demands while ... -
Economic Assessment of Different Management Approaches of Kakamega Forest in Kenya: Cost-benefit and Local Community Satisfaction Analysis
Guthiga, Paul Maina (2007)Kakamega forest, the only tropical rainforest in Kenya is divided into three different parts each under a distinct management approach: a state-led incentive-based approach of the Forest department (FD), a privately-owned ... -
Economic Behavior in Real Effort Experiments
Eberlein, Marion (2008)<p>Laboratory experiments have gained more and more importance in economics in the last twenty years. Their superior control possibilities are not called in doubt. However, it is often complained that laboratory experiments ... -
Economic disruptions, markets and food security
Kankwamba, Henry (2020-12-30)Idiosyncratic and covariate shocks have considerable impacts on household food security and welfare. While impacts of covariate and idiosyncratic shocks have been widely documented, the mitigating role of infrastructure ... -
Economic impact of postoperative delirium – Detection of risk factors for further prevention program
Kirfel, Andrea (2022-09-19)<strong>Introduction: </strong> Postoperative delirium (POD) is an underdiagnosed and adverse complication in older adults. The aim of the PRe-Operative Prediction of postoperative DElirium by appropriate Screening (PROPDESC) ... -
Economic incentives of the WTO dispute settlement system with an empirical focus on the agro-food sector
Götz, Christian (2012-11-14)The thesis contributes to the understanding of the drivers in countries’ decision to adjudicate trade issues under the Dispute Settlement Mechanism (DSM) of the World Trade Organization (WTO). The DSM is a rules-based ... -
Economic partnership agreements in the EU's post-Lomé trade regime: negotiations with West Africa
Rommel, Claudia (2012)Trade is a key element of the development policy of the European Union (EU). As the most important trading partner of developing countries, the EU attempts to facilitate the participation of developing countries in global ... -
Economics of consumer and business behavior related to environment: studies in Belarus
Shershunovich, Yauheniya (2023-11-23)Environmental problems constitute a major risk to humanity. This thesis empirically analyzes the implications of consumer and business behavior related to environment on three levels: on a micro-; on a meso-; and on a ... -
The Economics of Irrigation Systems in Ethiopia: Technological and Institutional Analysis
Bekele, Rahel Deribe (2021-12-14)The Government of Ethiopia has made a strong commitment to developing and expanding various types of irrigation systems, technologies, and institutions among smallholder farmers. As a result, the irrigated area in the ... -
Economics of Land Degradation, Sustainable Land Management and Poverty in Eastern Africa: The Extent, Drivers, Costs and Impacts
Kirui, Oliver Kiptoo (2016-05-24)Land degradation – defined by the Economics of Land Degradation (ELD) initiative as a “reduction in the economic value of ecosystem services and goods derived from land” – is a serious impediment to improving rural livelihoods ... -
Ecophysiological diversity of wild Coffea arabica populations in Ethiopia: Drought adaptation mechanisms
Beining, Alice Marie (2007)Drought is a wide-spread limiting factor in coffee (Coffea arabica L.) production, but the development of adapted cultivars is hampered by a limited understanding of the physiological resistance mechanism and the extreme ... -
eCTD - Neue Wege der elektronischen Einreichung: Vernetzung elektronischer regulatorischer Prozesse
Schnitzler, Jörg (2013-12-13)Die Arzneimittelzulassung ist mit der Einführung des eCTD – Standards dem erklärten Ziel der papierlosen Einreichung einen großen Schritt näher gekommen. Seit nun mehr als 20 Jahren arbeiten Behörden und Antragssteller ... -
Ectopic expression of the sialic acid modifying enzyme CMAH in human THP1 macrophages
Is, Ozkan (2018-09-03)Throughout evolutionary processes, organisms gain or lose functions because of emerging mutations. The frameshift mutation emerged in the human CMAH gene is one of these loss of function mutations and it caused the human ... -
Ectopic expression of transcription factors to overcome the lineage barrier between embryonic stem cells and trophoblast stem cells in mouse and human
Kaiser, Franziska (2023-04-19)The placenta is a transient organ that exhibits various essential functions during pregnancy that allow for proper development of the embryo. Placenta and embryo originate from the first lineage separation in mammalian ... -
Edible weeds and food and nutrition security in the face of the herbicide revolution: A case study from Zambia
Daum, Thomas; Vehre, Alysha; Schweizerhof, Carolin; Schunko, Christoph (2021-01)Herbicides are on the rise across the developing world. Herbicides may come with several advantages, for example, they may help to improve yields, thereby contributing to food and nutrition security. However, they may ... -
Educación ambiental comunitaria como escenario de decolonización del conocimiento en el contexto escolar urbano
Rocha-Bravo, Mónica; Golovátina-Mora, Polina (2024-03-18)La educación ambiental comunitaria fomenta la conexión entre la escuela y su contexto local. Tréllez (2002) cuestiona que se limite a la práctica y a solucionar problemas ambientales, haciendo a un lado el reconocimiento, ...