A visual assessment of the condition Tilia cordata Mill was carried out. for five-year period from moment planting to present, using example jubilee alley city Abakan in Chernogorsky Park. It is established that main factors negative impact on state plantings are: mechanical damage young plants by park visitors and influence arthropods-pests.

ABSTRACT Heavy metals constitute the largest part of air pollution. metals, concentration which in environment is constantly increasing and can remain intact nature for a long time, are great threat to living things. In addition, due fact that it causes bioaccumulation structure things, detection heavy metal very important. However, things areas where traffic exposed exhaust fumes, this signifi...

The concentrations of sugars, starch, nutrients and some heavy metals were examined during the growing season in four tree species (Ailanthus glandulosa DESF., Carpinus betulus L., Tilia argentea DESF. and Quercus cerris L.), growing in natural and planted stands in a region with considerable industrial emissions and in an unpolluted area. Trees in the polluted regions had lower concentrations ...