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New study shows distribution of the white stork since the last ice age
(Joint press release of the Leibniz-Zentrum für Archäologie (LEIZA), the NABU, and the ROOTS Cluster of Excellence)
In legends and fables, it brings luck, children and prosperity. Today, its appearance is seen as a sign of an healthy environment. Hardly any other bird in Europe has such positive connotations as the white stork Ciconia ciconia. But how old is this close relationship between humans and storks? Where and how was this relationship formed? “In order to answer these questions, we first need to know when the stork used to live, and where,” says archaeologist Dr. Ulrich Schmölcke from the Leibniz-Zentrum für Archäologie in Schleswig (LEIZA).
Together with ornithologist Kai-Michael Thomsen from the Michael Otto Institute within NABU, and the support of the ROOTS Cluster of Excellence at Kiel University, he has investigated the range dynamics of the white stork in Europe since the last ice age using archaeological finds for the first time. “This shows that the north-east of the continent, with its high population density today, only became part of the white stork range in the comparatively recent past,” explains Thomsen. The study has now been published in the international Journal of Ornithology.
For the study, the two authors evaluated previously published finds of bird bones in the vicinity of prehistoric or early historic settlements. One set data of published in 1999 alone contains information on more than 7500 archaeological sites with animal remains from the last ice age to the early modern period throughout Europe. The two authors have added more recent finds from current research literature. “Thanks to this extensive database, we can make reliable statements about the distribution of the white stork over the past millennia,” says Ulrich Schmölcke.
According to this, until 1500 years ago, Ciconia ciconia was distributed exclusively in southern and western Europe, especially on the Iberian Peninsula, in the Upper Rhine region and in the southern Balkans. “At the end of antiquity, the distribution boundary of the white stork coincided exactly with the extent of the Roman Empire. Ancient written sources show that it was already closely associated with people in the Mediterranean region at this time,” explains Dr. Schmölcke.
Beyond the borders of the Roman Empire, however, the white stork did not find any suitable habitats. The human population density was significantly lower. There were fewer open spaces, as agriculture was less intense.
“It was only around 1000 years ago that the white stork's range expanded rapidly to the north-east. This coincides with the medieval ‘Landesausbau’, when many forests were cleared and new agricultural land was created,” says Thomsen. “Apparently the white stork is a long-term beneficiary of certain man-made landscape changes.”
The study provides important insights for both nature conservation and archaeology. “If we want to understand how species spread or why they disappear from some areas, we can't just look at the current pattern. We also need to understand the long-term developments,” says Kai-Michael Thomsen.
“Both at LEIZA and in the ROOTS Cluster of Excellence, we are investigating how the relationship between humans and the environment has developed over the past millennia. In order to do this, however, we need to know what the environment looked like in the past and which species occurred where,” adds Schmölcke.
Further research into other species is still necessary. “But the study does show the great potential of cooperation between ornithology and archaeology, especially if we include even more analytical methods such as genetics and isotope measurements in future,” emphasizes the archaeologist.
PD Dr. habil. Ulrich Schmölcke
Leibniz-Zentrum für Archäologie (LEIZA) / ROOTS Cluster of Excellence
Tel.: 49 4621 813-352
ulrich.schmoelcke@leiza.de
Kai-Michael Thomsen
Michael Otto Institute within NABU
Tel.: +49 1629098072
Kai-Michael.Thomsen@NABU.de
Schmölcke, U., Thomsen, KM. Prehistorical and historical occurrence and range dynamic of the Eurasian Spoonbill (Platalea leucorodia) and the White Stork (Ciconia ciconia) in Europe. J Ornithol (2024). https://doi.org/10.1007/s10336-024-02206-8
http://www.leiza.de Leibniz-Zentrum für Archäologie (LEIZA)
https://bergenhusen.nabu.de/ Michael Otto Institute within NABU
http://www.cluster-roots.org The ROOTS Cluster of Excellence
Stork's nest in Bergenhusen, Schleswig-Holstein. The stork has had a close relationship with humans ...
Kai-Michael Thomsen
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Stork's nest in Bergenhusen, Schleswig-Holstein. The stork has had a close relationship with humans ...
Kai-Michael Thomsen
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