E-Dissertationen: Search
Now showing items 931-940 of 1003
Aspirations, shocks, and rural poverty
(2022-11-22)
Poverty remains a persistent problem in many parts of the world, especially in sub-Saharan Africa (SSA). In this region, poverty is particularly prevalent in rural areas. Further exacerbating the high levels of poverty is ...
Phenotypic analysis of different Silphium perfoliatum L. accessions and evaluation as a renewable resource for material use
(2022-11-16)
Cup plant (Silphium perfoliatum L.) is a promising alternative to silage maize as an energy crop for biogas production and a potential raw material for the industry. This non-food perennial from the US possesses a highly ......
Phänotypische Analyse verschiedener Silphium perfoliatum L. Herkünfte und ihre Untersuchung als nachwachsender Rohstoff für die stoffliche Nutzung
Die Durchwachsene Silphie (Silphium perfoliatum ......
Phänotypische Analyse verschiedener Silphium perfoliatum L. Herkünfte und ihre Untersuchung als nachwachsender Rohstoff für die stoffliche Nutzung
Die Durchwachsene Silphie (Silphium perfoliatum ......
Heavy metal contamination in urban agriculture and human health risk in Yaoundé, Cameroon
(2022-12-14)
Heavy metals are ubiquitous in the environment. The sources of heavy metals are both natural and anthropogenic activities. Urban growth, coupled with increasing demand for vegetables, has led to the utilization of lowlands ......
Schwermetalle sind allgegenwärtig in der Umwelt. Die Quelle für Schwermetalle sind sowohl natürlich als auch von Menschen verursachte Aktivitäten. Das Wachstum der Städte und die damit einhergehende steigende Nachfrage ......
Schwermetalle sind allgegenwärtig in der Umwelt. Die Quelle für Schwermetalle sind sowohl natürlich als auch von Menschen verursachte Aktivitäten. Das Wachstum der Städte und die damit einhergehende steigende Nachfrage ......
The effectiveness and efficiency of forest conservation policies to reduce deforestation in the Peruvian Amazon
(2023-01-23)
Between 2015 and 2020, 9.3 million hectares of tropical forests were annually deforested. Deforestation represents the second largest source of carbon emissions globally, reduces biodiversity and ecosystem services, and ...
Soviet tractors vs. oxen: agroecology, agricultural policies and political discourse in Cuba
(2022-12-07)
After the collapse of the socialist bloc in the late 1980s and early 1990s, the Cuban government was forced to forsake its plans to develop a modern agricultural sector, highly dependent on the intensive use of imported ...
Influence of dietary concentrations of L-histidine, alone or in interaction with β-alanine, on breast meat quality and metabolic status of modern, fast-growing broiler chickens
(2022-12-06)
An increasing demand for poultry meat resulted in optimization of broiler chicken’s genetic towards high growth-rates and breast yield in the last decades. This breeding standard led to increased quality problems in breast ......
Assessing emerging technologies for sustainability transitions: An analysis from a technology, company and ecosystem perspective
(2023-06-29)
Understanding the role of technological innovations has always been a central concern of strategic management research. Specifically, to address the current challenges of the 21st century, such as climate change ......
Die Rolle technologischer Innovationen zu verstehen, ist schon immer ein zentrales Anliegen der strategischen Managementforschung. Vor allem in Anbetracht der großen Herausforderungen des 21. Jahrhunderts, wie Klimawandel ......
Die Rolle technologischer Innovationen zu verstehen, ist schon immer ein zentrales Anliegen der strategischen Managementforschung. Vor allem in Anbetracht der großen Herausforderungen des 21. Jahrhunderts, wie Klimawandel ......
Conditional cash transfers, migration, and child welfare in rural El Salvador
(2023-06-23)
Governments and households take various initiatives to protect and improve children’s welfare. The present research explores how effective some of those initiatives are in protecting child nutrition, increasing schooling, ...
Soil Erosion under Spatially Heterogeneous Field Conditions: Experimental Analysis and Dynamic Modeling
(2023-06-28)
Soil erosion is a significant problem for most of the agroecosystems worldwide, as it is one of the primary causes of soil degradation caused by a loss of the topsoil layer. Most of the existing soil erosion models provide ...
Sensor platform for rapid detection and quantification of indicator and pathogenic bacteria on food contact surfaces
(2021-08-04)
Foodborne pathogenic bacteria represent a global problem for public health. Escherichia coli and Coliforms indicates the possible contamination of food, water and food processing environments. In food processing environment ......