REVIEW OF CHARACTERISTICS OF ALNUS GLUTINOSA STANDS QUALITY ACCORDING TO FOREST TYPES AND AGES

Due to the interest in Alnus glutinosa as plantation species has increasesed Latvia during last years, a structural unit “LVM Sēklas un stādi” of State Stock Company “Latvijas Valsts Meži” (Latvia’s Forests) offers local market bare root seedlings with an advanced system obtained from seeds growed planting such selected cutovers and for land reforestation theorectically will allow owner increase value forest profit its management. Practically, this prospects should be evaluated perspective health.Therefore, purpose study were to: (1) estimate incidence heart colouring stem decay stands different types ages, (2) identify measure area /heartwood hard rot stage diameter soft diameter/ cavity stumps, (3) evaluate relationships between stand composition (forest types) age on colouring/heartwood stage/cavity incidence, (4) by analysing results work out recommendations improve managment where plantations are growing.