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Popular Abstract in Swedish Ovan jord & under ytan Sandstäpp är en hotad växtmiljö eftersom arealen av sandstäpp minskat avsevärt sedan Linnés tid (1700-talet). Vi ställde oss frågan varför den har minskat. För att kunna besvara den måste vi förstå vad växtarterna behöver och förstå hur kemin i marken fungerar. Dessutom vill vi lära oss hur markens organismer påverkas av minskningen av sandstSandy, calcareous grasslands are species rich temperate semi-natural grasslands. The species composition in 136 plots was analysed in relation to soil chemistry parameters; extractable P and N, soil pH and lime content. We found that that acidification and decalcification decrease species diversity and the number of red-listed species in these sandy grasslands. The microbial community was investig
This paper discusses aspects of technological change and the path towards institutionalization of new innovations, with a focus on how users matter and are part of the co-construction of such change. An empirical example from the security industry is used to illustrate how two distinct phases in the analog-to-digital shift in video surveillance technology have had very different outcomes with resp
New theoretical developments in impurity lattice dynamics are presented, with the emphasis on phonon broadening of core levels in metals. Detailed calculations have been made for Li and Na. The effects of non-linear screening are evaluated for the first time and are shown to increase the phonon broadening by about 70% for Li compared with the linear-screening value. The present a priori estimate o
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Organised behaviour in disaster can be distinguished by looking at the organisation's post disaster structure and tasks. While past research seemingly has taken a multi-organisational perspective we have used organised behaviour as analytical tool in a case study of the Swedish fire and rescue service to focus on analysing one organisation and sub organisations within this. We argue that different