Bark of paper Birch, Betula papyrifera
Bildnummer 12504175
| Bark of a paper birch, Betula papyrifera. The picture shows the trunk of a mature paper birch tree. The bark is thin and smooth; red colours are new bark, covered by remaining strips of old bark (white): most has peeled off from the outer surface. Short horizontal lines visible throughout are transverse lenticels. Lenticels are porous openings in the bark that function in gaseous exchange between the interior of the trunk and the air. Those in this picture are between 2-5cm long; in Betula, they elongate as the trunk grows in girth. B. papyrifera is a native of the Northern USA, and is a pioneer species, the first tree to colonise an area following fire or avalanche. The bark has a high oil content, which protects the tree, but paradoxically makes strips of bark useful as firelighters. Birch paper"" was also traditionally used to make containers and as a waterproof layer for roofing" | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Burgess, Dr. Jeremy |
| Bildgröße: | 3468 px × 5212 px |
| Modell-Rechte: | nicht erforderlich |
| Restrictions: | - |
Preise für dieses Bild ab 15 €
Universitäten & Organisationen
(Informationsmaterial Digital, Informationsmaterial Print, Lehrmaterial Digital etc.)
ab 15 €
Redaktionell
(Bücher, Bücher: Sach- und Fachliteratur, Digitale Medien (redaktionell) etc.)
ab 30 €
Werbung
(Anzeigen, Aussenwerbung, Digitale Medien, Fernsehwerbung, Karten, Werbemittel, Zeitschriften etc.)
ab 55 €
Handelsprodukte
(bedruckte Textilie, Kalender, Postkarte, Grußkarte, Verpackung etc.)
ab 75 €
Pauschalpreise
Rechtepakete für die unbeschränkte Bildnutzung in Print oder Online
ab 495 €