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The research aim is to identify a financial gain a forest owner can make from the management of a deciduous forest stand in Latvia provided that the stand is logged at the final (clear) felling age and the revenue is earned selling the wood as roundwood assortments and residue biomass or only as biomass (BM). The present research analysed the situation with forests owned by natural persons of the Republic of Latvia and identified the amounts of revenue a forest owner can earn growing deciduous ? birch, black alder...

The theme of this article is analysis of the reinforced concrete arc bridge structure. This article is especially focused on Monier arc bridge. A typical load applied on bridges is moving load, but this type of structure is mainly loaded with surrounding ground mass. It is fact, that for thicker layer of soil mass upper the arc decreases influence of moving load and conversely. Information in the article are based on experience gained during completely reconstruction of particular structures. Span of the bridge is...

The research aim is to estimate the profit a forest owner can earn per full forest rotation cycle from forest stands of dominant coniferous species in Latvia, selling both the assortment of logs and biomass (BM) from final felling. The research analysed the situation in privately managed forests, composed of the coniferous species ? Norway spruce (Picea abies L.) and Scots pine (Pinus syllvestris L.) ? in different forest types in Latvia. The calculation of revenue from forest product sales took into account both ...