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  • 1.
    Acaralp, Damla
    Södertörn University, Teacher Education.
    Hållbar utveckling i undervisningen: En kvalitativ studie om lärare och lärarstudenters syn på hållbar utveckling i undervisningen2015Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The issue for this study is how teachers and teacher students understand the concept of sustainable development and work and want to work with sustainable development in their education. The aim is to provide knowledge that can lead to a better implementation of sustainable development in education. The study has a phenomenological perspective and is based on the concept of sustainable development and theories of education for sustainable development. The study consists of interviews with four teachers who act as primary teachers and four teacher students who study on the last semester of their education. The study shows that all respondents think that sustainable development is a concept that is difficult to interpret and that they have a distorted interpretation of the concept. All are focusing on environmental protection and overlook economic and social development. That is particularly apparent in their examples of how sustainable development should be implemented in teaching. The study also shows that the teacher students have a more complete picture of the concept of sustainable development and, unlike the teachers, explicitly states that sustainable development should permeate the entire teaching.

  • 2.
    Hurst, Stephanie
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies.
    The Impact of Climate Change and Man on the Spatial Distribution of Wildfire Events: A GIS and Ranking System Approach2015Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Wildfire is a destructive and devastating phenomenon experienced all around the world, which is predicted to increase in frequency and geographical range as climate change continues throughout the 21st century and beyond. This paper used a GIS approach to analyse the expected change in wildfire geographical range by 2050 using a Global Climate Model of the worst case scenario. After new wildfire-prone regions were identified, an analysis of these regions was undertaken regarding human-risk to ignition, currently the largest cause of wildfire outbreaks. This was performed using a ranking system of variables known to increase the human-risk, namely rural exodus, density of agricultural machinery, prevalence of tobacco smoking, and camping tourism popularity. The results were in consensus with the scientific community regarding the effect of climate change on the geographical range of wildfire outbreaks, and identified Europe as a key area of future concern. Within Europe, Austria was seen as having the highest risk to human-ignition. This could be of utmost importance to European, especially Austrian, management agencies as they look to restrict the future impact of climate change on their communities. This paper serves as an example of how spatiotemporal patterns of extreme weather events and climate change can be projected using GIS.

  • 3.
    van Wirdum, Falkje
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies.
    Andrén, Elinor
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Wienholz, D.
    University of Hamburg, Hamburg, Germany.
    Kotthoff, U.
    University of Hamburg, Hamburg, Germany.
    Moros, M.
    Leibniz Institute for Baltic Sea Research Warnemünde, Rostock, Germany.
    Fanget, A. -S
    University of Perpignan, Perpignan, France.
    Seidenkrantz, M. -S
    Aarhus University, Aarhus, Denmark.
    Andrén, Thomas
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Middle to late holocene variations in salinity and primary productivity in the central Baltic Sea: A multiproxy study from the landsort deep2019In: Frontiers in Marine Science, E-ISSN 2296-7745, Vol. 6, article id 51Article in journal (Refereed)
    Abstract [en]

    Anthropogenic forcing has led to an increased extent of hypoxic bottom areas in the Baltic Sea during recent decades. The Baltic Sea ecosystem is naturally prone to the development of hypoxic conditions due to its geographical, hydrographical, geological, and climate features. Besides the current spreading of hypoxia, the Baltic Sea has experienced two extensive periods of hypoxic conditions during the Holocene, caused by changing climate conditions during the Holocene Thermal Maximum (HTM; 8–4.8 cal ka BP) and the Medieval Climate Anomaly (MCA; 1–0.7 cal ka BP). We studied the variations in surface and bottom water salinity and primary productivity and their relative importance for the development and termination of hypoxia by using microfossil and geochemical data from a sediment core retrieved from the Landsort Deep during IODP Expedition 347 (Site M0063). Our findings demonstrate that increased salinity was of major importance for the development of hypoxic conditions during the HTM. In contrast, we could not clearly relate the termination of this hypoxic period to salinity changes. The reconstructed high primary productivity associated with the hypoxic period during the MCA is not accompanied by considerable increases in salinity. Our proxies for salinity show a decreasing trend before, during and after the MCA. Therefore, we suggest that this period of hypoxia is primarily driven by increasing temperatures due to the warmer climate. These results highlight the importance of natural climate driven changes in salinity and primary productivity for the development of hypoxia during a warming climate.

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