File:Fire scars in Pinus ponderosa crosscut.jpg
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Summary
| Description |
English: Crosscut of a 357 year-old Pinus ponderosa tree, with five fire scars: 1683, 1693, 1747, 1795, and 1861
Svenska: I denna skiva syns spåren efter hela fem skogsbränder, som kunnat dateras med hjälp av dendrokronologi. P. g. a. skadorna har veden till stor del impregnerats med kåda. Sådan ved är mycket motståndskraftigt mot röta, och kan bli kvar hundratals år i skogen efter det att trädet dött. Skivan är sågad ur en gultall Pinus ponderosa som växte någonstans i USA |
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| Author | Chris Schnepf, University of Idaho |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:46, 15 February 2010 | | 3,072 × 2,048 (3.71 MB) | MPF | rm watermark |
| 09:19, 5 September 2007 |  | 3,072 × 2,048 (1.41 MB) | Taxelson | ((Information |Description=Crosscut of a 357 year-old tree, Pinus ponderosa, with five fire scars: 1683, 1693, 1747, 1795, and 1861 |Source=http://www.forestryimages.org/browse/detail.cfm?imgnum=1171013 |Date= |Author=Chris Schnepf, University of Idaho | |
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