File:FFM-Schwanheim Eichen-Totholz 02.jpg

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Deutsch: Frankfurt am Main, Stadtteil Schwanheim: Die Schwanheimer Alteichen sind eine Gruppe von etwa 30 mehrhundertjährigen, großwüchsigen Eichen (Quercus) im Frankfurter Stadtwald.

Die als Naturdenkmal ausgewiesenen Eichen gehören zum FFH Schwanheimer Wald (Nr. 5917-305). Bis ins 19. Jahrhundert wurden die einzeln oder in Gruppen stehenden Hutebäume (Hutewald) zur Schweinemast genutzt (Eichelmast). Das genaue Alter der Bäume ist nicht bekannt; ihr Durchschnittsalter wird auf rund 500 Jahre geschätzt.

Einige der Schwanheimer Alteichen sind bereits abgestorben. Auch solche Exemplare werden an Ort und Stelle belassen; sie dienen den auf und um die Eichen lebenden Tierarten (darunter der Hirschkäfer, der Große Abendsegler und der Waldkauz) als Totholz.

Im Bild die Überreste eines besonders stattlich gewachsenen Exemplars, Foto vom April 2017.

English: Frankfurt-am-Main borough of Schwanheim, Germany: Schwanheimer Alteichen is the official name of a group of about 30, on average five centuries old oak trees (quercus) in the cityʼs municipal forest, Frankfurter Stadtwald. Until the 19th century, every autumn local farmers would have their herds of domestic pigs feed from the acorns.

The coarse woody debris of the Old Oaks of Schwanheim hosts a number of rare species of wild animals; among them the lucanus cervus beetle, the common noctule, and the tawny owl.

The photo shows debris of an exceptionally large Schwanheim oak tree; picture taken in April 2017.
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Author Frank Behnsen
Camera location50° 04′ 56.28″ N, 8° 35′ 23.28″ E  Heading=45° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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