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Flowering phenological changes in relation to climate change in Hungary
Barbara Szabó1,2, Enikő Vincze3, Bálint Czúcz4
1Department of Plant Systematics, Ecology and Theoretical Biology, Institute of Biology, Eötvös Loránd University, Pázmány Péter sétány 1/C, 1117, Budapest, Hungary. barbara.szabo.elte@gmail.com.
International Journal of Biometeorology
|January 16, 2016
Summary
Climate change is advancing flowering times for Hungarian plants. Warmer spring temperatures and North Atlantic Oscillation (NAO) patterns significantly impact plant phenology trends.
Area of Science:
- Ecology
- Climate Science
- Botany
Background:
- Long-term plant phenological data are crucial for monitoring climate change impacts.
- Understanding climate influences on flowering times is vital for ecological assessments.
Purpose of the Study:
- To detect trends in flowering phenology for six plant species in Hungary.
- To assess the influence of climate variables on observed phenological shifts.
Main Methods:
- Analysis of phenological observations for six species (1952-2000) from the Hungarian Meteorological Service.
- Statistical examination of flowering onset against climatic factors like temperature and the North Atlantic Oscillation (NAO) index.
Main Results:
- Four of six species exhibited significant advancement in flowering onset, averaging 1.9-4.4 days per decade.
- Mean temperature of the preceding 2-3 months most strongly influenced flowering timing.
- Late winter NAO index and prior autumn/spring climatic variables showed sporadic effects on certain species.
Conclusions:
- Plant phenology in Hungary is demonstrably sensitive to climate change, particularly temperature and NAO variations.
- Specific climatic variables from preceding seasons play a role in modulating flowering times, indicating complex ecological responses.
Keywords:
Beginning of floweringCentral EuropeLong-term effectsNorth Atlantic OscillationPrecipitationSpring phenologyMore Related Videos
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