File:Jahresringe der Baumstämme, Dendrochronolgie.jpg
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Original file (925 × 1,496 pixels, file size: 1.25 MB, MIME type: image/jpeg)
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Summary
| Description |
Deutsch: Dendrochronologie bestimmt das absolute Alter von Holz mit Hilfe der Jahresringe. Jedes Jahr bildet ein Baum einen neuen Wachstumsring aus. Wie breit dieser wird, hängt von der Witterung und vom Standort ab. Trockene Sommer oder kalte Winter führen zu engen, niederschlagsreiche und milde Winter zu breiten Ringen. Unter dem Mikroskop lassen sich diese vermessen. Diese Analyse lässt sich auch sehr gut auf alte Hölzer anwenden. Damit lässt sich das Alter exakt bestimmen. |
| Date | |
| Source | Own work |
| Author | Naturpuur |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:02, 13 April 2018 | | 925 × 1,496 (1.25 MB) | SteinsplitterBot | Bot: Image rotated by 270° |
| 18:31, 13 April 2018 |  | 1,500 × 925 (1.2 MB) | Naturpuur | User created page with UploadWizard |
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