Severe flooding causes a crash in production of white stork (Ciconia ciconia) chicks across Central and Eastern Europe |
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| Authors: | Piotr Tryjanowski Tim H Sparks Piotr Profus |
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| Institution: | 1. Department of Behavioural Ecology, Institute of Environmental Biology, Adam Mickiewicz University, Umultowska 89, PL-61-701 Poznań, Poland;2. NERC Centre for Ecology and Hydrology, Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE28 2LS, UK;3. Institute of Nature Conservation, PAS, Mickiewicza 33, 31-120 Kraków, Poland;1. Haskin Shellfish Research Laboratory, Rutgers University, 6959 Miller Ave, Port Norris, NJ 08349, USA;2. Institute of Marine and Coastal Sciences, Rutgers University, 71 Dudley Road, New Brunswick, NJ, USA;3. Gulf Coast Research Laboratory, University of Southern Mississippi, 703 East Beach Drive, Ocean Springs, MS 39564, USA;1. Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland;2. Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland;3. Chair of Biodiversity and Nature Tourism, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 5, 51006 Tartu, Estonia;4. Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 1/3, 90-237 Lodz, Poland;1. Toxicology Area, School of Veterinary, University of Extremadura, Avda. de la Universidad, s/n, 10003 Cáceres, Spain;2. CIIMAR – Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Laboratory of Ecophysiology, Rua dos Bragas, 289, 4050-123 Porto, Portugal;3. Wildlife Rehabilitation Center (Los Hornos), Consejería de Agricultura, Desarrollo Rural, Medio Ambiente y Energía del Gobierno de Extremadura, Sierra de Fuentes, Cáceres, Spain;1. Movement Ecology Laboratory, Department of Ecology, Evolution and Behaviour, Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel;2. Vogelschutzwarte Storchenhof Loburg e.V., Loburg, Germany;3. Edmond and Lily Safra Center for Brain Sciences, The Hebrew University, Jerusalem, Israel;4. Dynamic Macroecology, Department of Landscape Dynamics, Swiss Federal Research Institute WSL, Birmensdorf, Switzerland;5. The Animal Flight Laboratory, Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel;6. Plant Ecology and Conservation Biology, Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany;7. Department of Migration and Immuno-Ecology, Max-Planck-Institute for Ornithology, Radolfzell, Germany;8. Department of Biology, University of Konstanz, Konstanz, Germany;9. Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Berlin, Germany;10. ZALF, Leibniz-Centre for Agricultural Landscape Research, Müncheberg, Germany;1. SaBio Working Group, Instituto de Investigación en Recursos Cinegéticos IREC (CSIC-UCLM-JCCM), Ronda de Toledo 12, 13005 Ciudad Real, Spain;2. Plaza de España, Ciudad Real, Spain |
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| Abstract: | Recent theoretical and field studies show that stochastic, extreme ecological events may influence the dynamics of populations for many years. However, to date, studies have focused only on the short-term effect of ecological catastrophes and/or extremes on population dynamics. In this paper, we present results from the great flood of July 1997 in Central and Eastern Europe and how it affected the white stork (Ciconia ciconia), a long-lived bird species. Using long-term data collected in 1987–2003, we examined the effect of the great flood on population size and chick production and we focussed on the 10 years preceding and 6 years following the flood. Habitats of 18 of the 25 stork populations studied were inundated during the flood of 1997. The flooded populations had a massive loss of chicks in 1997 but quickly recovered to about 85% of expected normal chick production compared to the control populations. This suggests a relatively minor but long-term consequence on population dynamics over a large geographic scale resulting from the extreme flooding event. |
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