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Climate change effects for phenological processes

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Author(s): Lilla Dede

Journal: Agrárinformatika Folyóirat
ISSN 2061-862X

Volume: 1;
Issue: 3;
Start page: 48;
Date: 2010;
Original page

Keywords: climate change | phenology | geophyton plants

ABSTRACT
Climate change may shift dates of phenological phase of plants. We can even demonstrate changes in plant growth due to climate change by model simulations. Earth warming will accelerate appearance of the phenological phases earlier. However, not only temperature can affect on that, but some other meteorological factors as well.The theoretical implications of climate change is the main goal of the present work using strategic modeling and a 140 years long temperature data set. Analysis of the Geophyton Phenology Database of the ELTE Botanical Garden is also made for 24 meteorological factors’ effect on the first bud appearance, the beginning of flowering, and the end of flowering. The found regression models show the relationships between phenological phase’ dates and meteorological factors.Finally, the rising temperatures are variously influencing phenological dates of selected species involved a Theoretical ecosístem. The daily fluctuation of temperature and the frosty day number are strongly influence geophyton plants and their pheonological phase’ dates.
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