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An assessment of processes in forest stands requires the monitoring of many parameters. The annual dynamics and composition of precipitation show the impact of atmospheric depositions on ecosystems. Throughfall depositions play a significant role not only in the dynamics of canopy processes but also influence soil conditions through the interception processes and element changes in canopies. The study was carried out in two permanent sample plots located at different altitudes in the Western Stara Planina in Bulga...

The litterfall (fallen leaves, flowers, fruits and twigs) in the forests represents part of dead plant mass. The quantity and quality of litterfall in forests plays an important role in their state. Through it, a large part of chemical elements is returned to the cycle of the ecosystem, it is an essential carbon depot, it affects regeneration, soil moisture, fertility, composition, fauna and flora. The study presents data on stocks of chemical elements in annual literfall of Western Stara planina. The sample plots...