Home – Home – Jornals – Contemporary Problems of Ecology 2003 number 6

The most complete up-to-date database on the biomass of forest-forming trees is compiled for the territory from Great Britain and France to China and Japan. The database includes about 5100 determinations; it is distributed over 50 regions. By using special mathematic procedures, the data are transformed to the comparable form. For the resources of biomass of the major part of tree plants, the existence of productivity profile over the latitudinal gradient is confirmed. A decrease in the surface and subterranean biomass is established for the first time at the statistically reliable level with the correlation tightness of 0.65 to 0.98 for species of a broad ecological amplitude (larch, spruce, abies, pine, cedar, birch, aspen and lime-tree) while advancing from the Atlantic and Pacific coasts of the pole of continentality in Yakutia.