Monitoring of introduction resources of the Kulunda arboretum and allocation of valuable gene pool for protective afforestation
DOI:
https://doi.org/10.25726/NM.2018.1.1.003Keywords:
monitoring, introduction, Kulundinsky arboretum, gene pool of woody plants, enrichment of dendroflora, adaptation, protective forest plantationsAbstract
On the example of the Kulunda arboretum the materials of monitoring of introduction resources of trees and bushes are given. The success of their introduction into the culture of protective afforestation is based on a detailed study of ecological and biological features, the experience of introduction in new conditions.
Due to the increased anthropogenic load in recent years, the range of woody plants used in the protective forest plantations of arid areas requires updating. The problem statement includes the allocation of a valuable gene pool for the creation of seed bases and the cultivation of adapted planting material.
It is shown that in the conditions of the Kulunda steppe the introduced species in the protective afforestation are not widely used yet, the range of tree species is poor (Betula pendula Roth., Populus balsamifera L., Pinus sylvestris L., Larix sibirica Ledeb., Salix fragilis L.). Accompanying woody plants are presented by Acer negundo L., Malus pallasiana Juz., Ulmus pumila L. Other tree species are used in protective afforestation on a limited scale.
The purpose of the evaluation introduction the sustainability of the gene pool of Salted arboretum on the basis of a comprehensive monitoring and study their biological features under conditions of Kulundinskaya steppe for protective afforestation.
Kulundinsky arboretum was established in 1977, it is located on the territory of the West Siberian agroforestry experimental station (plot 49098 m2, cadastral number 22:23:010003:0014). Type of soil – chestnut, light-loamy. The main reserves of humus are concentrated in the upper horizon and with a depth decrease from 2.7 to 0.6%, the depth of groundwater 5-6 m.
It was revealed that the species composition of trees and shrubs of the Kulundinsky arboretum includes 143 taxa from 52 genera and 25 families. Among the economically valuable generic complexes are representatives of the family Rosaceae. It is established that the representatives of the family Rosaceae, as an introduction resource for the enrichment of forest reclamation complexes and the formation of comfortable living conditions of the population, is one of the largest in taxonomic composition of wood species and important for multifunctional use.
Methodical approaches to carrying out monitoring of introduction of resources, the proposed method of calculation introduction the resistance of plants to new conditions including the characteristics group (winter hardiness, drought tolerance, pobegoobrazovatelnost ability, growth in height, generative development, possible method of propagation in culture) and the ratio of collection Fund on indicators and the dimensions of the scales.
Materials on monitoring of introduction resources of the Kulundinsky arboretum of the Federal CENTER of Agroecology of the Russian Academy of Sciences on assessment of the adapted gene pool for protective afforestation will be used to develop measures for biodiversity conservation and rational use of economically valuable plants; based on the data obtained, promising species for the enrichment of protective forest plantations of the kulundin steppe were selected.
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