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En avsevärd anomali i jordens globala kolcykel, känd som Hirnantian Isotope Carbon Excursion (HICE), finns dokumenterad i lagerföljder från Hirnantetagen, i slutet av Ordovicium för cirka 445 miljoner år sedan. Anomalin är kopplad till den samtida globala nedkylningen, bildande av inlandisar och ett massutdöende – Late Ordovician Mass Extinction (LOME). Denna studie undersöker lagerföljder från övThe Hirnantian Isotope Carbon Excursion (HICE) is a major anomaly in Earths global carbon cycle at the end of the Ordovician time period, at ca 445 Ma. The anomaly is intimately associated with substantial cooling of the global climate, expansion of continental ice-sheets and the Late Ordovician Mass Extinction (LOME). The present study investigates the Upper Ordovician to the lowermost Silurian s

The ongoing climate change calls for an immediate decarbonization of society, where one important measure is a rapid transition of the energy system through an expansion of variable renewable energy sources, such as wind and solar photovoltaic power production. This transition imposes new challenges to the electrical power system, not least from a power balance perspective. This master’s thesis r

Studies show that employees are an organisation’s most important asset. Therefore, an employer needs to attract the desired future employees. Currently, core values appear frequently on employers’ websites. Core values could consequently operate as a part of external employer branding to attract candidates. The question remains whether core values matter to future employees when considering workin

The global food industry is the second main contributor to climate change whilst climate change also poses threats to future food security (Ritchie & Roser, 2020). One of the suggestions to decrease the environmental footprint of consumption and increase the resilience of food systems, is the shift to local production and consumption (Stein & Santini, 2021; Van Gameren et al., 2015). Howev

The number of diplomatic actors that use social media platforms to communicate with the publics has increased in the past years. Yet, these communicative approaches are still poorly researched. Moreover, the few studies from diplomacy and the ones from communication that explore two-way communication on social media present contradictions. If scholars from diplomacy present dialogue as a taken for

Palsa mires are typical wetland landscapes of the Arctic regions, consisting of mosaics of palsas (raised formations of peat and permafrost) and shallow ponds, all embedded in wet mires. These heterogeneous habitats support rich and abundant wader populations, which breed there during the short Arctic summer. Although being threatened by climate change, relatively little is known about the ecologi

Heart disease results from the loss of cardiomyocytes following myocardial damage and is a leading cause of death worldwide. Stimulating the endogenous regeneration of cardiomyocytes or isolating them from in vitro culture is an attractive therapeutic strategy. In paper I, the focus is on the cellular growth patterns of murine cardiomyocytes under steady-state conditions. The turnover of cardiomyo

Lead, cadmium and mercury are toxic elements capable of causing temporary or permanent damage to human organs and tissues. An adequate control of these elements necessitates measurements in humans, on samples from man and the environment. This applies to both occupationally exposed subjects and to members of the general public including patients. The present paper will review the in vivo x-ray flu

Land degradation is commonly perceived to be severe in many parts of semi arid China. The transition towards market economy since the 1978 reforms, have set marginal dry lands under added pressure in the form of increased livestock numbers and expanding cultivation on erosive soils. To evaluate land degradation since the reforms, this study focuses on mapping and analysing the biological productio

The overiding aim of this study is to promote an increace in the knowledge regarding school children´s learning and meaning construction, whereby teachers attempt to exceed traditional ways of learning by combining asthetics and rationality as an integration of the learning process. The aim is to describe and interpret that which occurs in discussions between teachers and the children, when the ch