The relevance of the research is caused by the need to conserve forest zones and development forest industry. The main aim of the research is to use long-term trends in characteristics under study such as density of annual rings. changes in total ozone in the atmosphere and the de Martonne aridity index for assessing climate change. In addition. https://www.jmannino.com/save-now-3D-Key-Ring-Rainbow-Lorikeet-Pete-Cromer-Wilmot-Harvey-super-grab/