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Considerable efforts have been devoted to the exploration of Latvian forest resources as the most significant national natural wealth. The State Forestry Research Institute is conducting the statistical forest inventory, is fixing the data of felling and recovery of forest stands. Detailed statistical information for the assessment of different aspects is available. In recent years, the consumption of certain woody biomass products, such as chips and pellets, has a tendency to grow, due to a number of factors: the...

Recently the ecosystem services (services) have been increasingly considered in ecology and soil along with ecological (biogeocenotic) soil functions. This approach is justified by the need for a comprehensive assessment of soils, including the economic one. In laboratory and field experiments, the pollution of ordinary chernozems with heavy metals and oil has resulted in oppression of biological properties of soil: activity of catalase and dehydrogenase, abundance of the Azotobacter bacteria, the germination and ...