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The State Forests, National Forest Holding, is increasingly burdened with the costs of nature protection, recreational development and certification. As a consequence, there is an increase in costs and limitations in forest management. The emphasis is also on different social and environmental functions, and as a result, income from the sale of wood becomes smaller. The aim of the study is to verify...
The aim of this study is to assess the economic efficiency of forest management based on the revenues and costs of selected activities and the financial result of the forest districts within the ‘Puszcza Białowieska’ Forest Promotional Complex (FPC), i.e. Białowieża, Browsk and Hajnówka forest districts. The assessment of the economic efficiency of the forest management in ‘Puszcza Białowieska’ FPC...
W artykule przedstawiono kilka zagadnień związanych z otrzymywaniem i przetwarzaniem biogazu, powstającego z biomasy zgromadzonej na wysypiskach odpadów komunalnych. Biogaz z odpadów komunalnych ma średnią wartość opałową ok. 22 MJ/m³. Zakłada się, że z 1 tony odpadów komunalnych można otrzymać ok. 250 m³ biogazu. Oznacza to, że przy pełnym wykorzystaniu tego źródła energii w naszym kraju można otrzymać...
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