Lövbeskogning av nedlagd åkermark – Prognos för biomassaproduktion och kolinlagring över 100 år
2013
Zetterberg, Jonas
The forest's potential as a carbon sink and source of biofuel is an important part in the development of a roadmap for a Sweden without climate emissions by 2050. Afforestation of about 400 000 hectares of arable land is one of several suggested measures to increase forest cover and forest growth. Two alternatives of forest management strategies using deciduous tree species, grown continuously over more than a hundred years are suggested within this study and further compared with a spruce short rotation management strategy. Prognosis of forest growth, progress of timber stock, biomass production and development of carbon stocks were made by simulation of fictional sample plots. This study showed that spruce grown with short rotation stagnated with higher mean annual growth,more biomass content and larger carbon storage than the deciduous forestry strategies. However, seen from an average over the entire time horizon, the results were higher for a forest management strategy with birch and oak. This because of excluded final felling and the content of mature forest were maintained. Thus, different type of climate benefits may be considered in the choice of forest management strategy for afforestation of arable land.
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