И. Л. Мордатенко

Государственный дендрологический парк «Александрия» НАНУ

СОВРЕМЕННОЕ СОСТОЯНИЕ НАСАЖДЕНИЙ ВОСТОЧНОЙ БАЛКИ ДЕНДРОПАРКА «АЛЕКСАНДРИЯ»

Исследуемый участок расположен в центральной части парка и простирается вдоль Восточной балки. Данная территория включает в себя равнинную часть, склоны балки и два искусственных водоема: пруды Зеркальный, Банный, которые находятся внизу этой балки. Было изучено историческое прошлое, рельеф балки, определены современный состав и состояние насаждений на данной территории. В частности, осуществлено подеревную инвентаризацию растений, проведено распределение дендрофлоры по жизненным формам, группами роста, установлено возрастную структуру насаждения.

Ключевые слова: дендропарк, насаждения, древесная растительность, ландшафтная композиция

I. L. Mordatenko

State Dendrological Park "Alexandria" of the National Academy of Sciences of Ukraine

THE CURRENT STATE OF THE EASTERN RAVINE PLANTINGS OF THE "ALEXANDRIA" ARBORETUM OF THE NAS OF THE UKRAINE

The researched site is located in the center of the park and extends along the Eastern ravine. This area includes a flat part, a ravine slopes and two artificial ponds, which are located at the bottom of the ravine, they are called "The Mirror" and "The Bathing" ponds. The researches of the ravine relief showed that in this area the slopes are from sloping to almost steep. The archival materials about the species composition of plantings of this area are almost absent. The main sources of information, which gives us an idea of the past, are an old plan of the park, dated 1858, and archival photographs and drawings. Plantings of the Eastern ravine are presented by 28 species and 1 form of arboreal plants, which belong to 2 groups - Pinophyta and Magnoliophyta, 2 classes - Pinopsida and Magnoliopsida, 17 families and 25 genera. Of the total number of species and forms of arboreal plants, growing in the studied area, there are 20 species of tree life forms (71.4%), and 8 - bushes (28.6%). Been determined the distribution of species of trees and bushes by the heights classes: the first height trees - 9, the second - 6, the third - 1 and the fourth - 1. To the class of high bushes refers 1 species, medium - 4 and low - 3 species. For the percentage ratio of the number of an arboreal plants by their age groups, they were distributed into these groups: to the first group (till 20 years old) belongs 24.5% of plants (221 specimens), the second (from 21 till 60 years old) - 52.3% (470 specimens), the third (61-99 years old) - 16.2% (145 specimens), the fourth (100 and more years old) - 7.0% (63 specimens) of the total number of plants. The group of old growing trees consists of 8 species: Quercus robur (31 specimens), Pinus sylvestris L. (10 specimens), Fraxinus excelsior (10 specimens), Larix decidua Mill. (5 specimens), Carpinus betulus (4 specimens), Tilia cordata (1 specimen), Acer pseudoplatanus L. (1 specimen), Populus x canescens (Ait.) Smith (1 specimen).

Keywords:arboretum, planting, lignosa, landscape composition