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Showing 1 to 5 of 5 for “"Birch (Betula pubescens)"”.
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Treeline of mountain birch (Betula pubescens Ehrh.) in Iceland and its relationship to temperature
Die Waldfläche der Moorbirke (Betula pubescens Ehrh.) in Island wurde zwischen der Besiedlung des Landes durch die Wikinger ab 874 n. Chr. und heute dramatisch reduziert. Ursachen des Rückgangs waren v. a. grossflächige Nutzung des Waldes für die Produktion von Holzkohle, Verbiss durch frei …
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The influence of plant size and fertilization on catkin production in birch (Betula pubescens Ehrh.)
Downy birch Betula pubescens Ehrh. is the only tall growing native birch species in Iceland. Around the time of the settlement, birch woodlands used to cover large areas of Iceland, but today only little is left. Regeneration of birch is a key process in woodland expansion and is important for land …
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A study on above- and belowground biomass and carbon stocks as well as sequestration of mountain birch (Betula pubescens Ehrh.) along a chronosequence in southern Iceland
… Iceland and how afforested and remnant mountain birch areas react as carbon sinks. In summer 2009, 31 monocormic trees (0.1-5.5 m height) were measured and excavated. The excavated trees formed the dataset to establish allometric biomass functions of Icelandic mountain birch. The functions were …
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Morphometric discrimination among Betula nana, Betula pubescens and their hybrids using the shapeR package
Downy birch (Betula pubescens) and dwarf birch (Betula nana) are natural woody species in Iceland and play important roles in the terrestrial ecosystems. They both belong to the same genus and can hybridize. Since downy birch is tetraploid and dwarf birch is diploid, their hybrids become triploid. …
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Áhrif nýskógræktar á jarðveg, kolefnisforða og líffræðilega fjölbreytni á Fljótsdalshéraði.
… mólendi breyttist í náttúrulegan birkiskóg (Betula pubescens) með sjálfsáningu eða í nytjaskóg með gróðursetningu rússalerkis (Larix sibirica) á Fljótsdalshérði á Austurlandi. Úttektirnar fóru fram árin 2002 og 2015 og báru saman aldursseríu (e. chronosequence) af skógarreitum af hvorri …