Abstract
On the basis of a great number of single plant-phenological observations the present study tries to reveal the weather fluctuations during the winters of 1992/93 to 1997/98 in the region of Zug (central Switzerland). A comparison with older documents clearly shows that many plant species in the study area have shifted their time of flowering and development into the winter season. The effects of this shift are ascertainable on three levels: change in species diversity, wider dispersal of heat-preferring ecotypes, adaptive capability of genetically not mutated species. It would be very desirable to increase the volume of the observations also over larger areas and longer time periods and to store the available phenological data in a central place.
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Röthlisberger, J. (2001). Little Flowers in a Mild Winter. In: Burga, C.A., Kratochwil, A. (eds) Biomonitoring: General and Applied Aspects on Regional and Global Scales. Tasks for vegetation science, vol 35. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-9686-2_8
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DOI: https://doi.org/10.1007/978-94-015-9686-2_8
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