Open AccessThe method of determining the silvicultural and inventory indices of urban spaces with the use of the equations of communication
Author(s) -
Василий Ковязин,
V.F. Kovyazin,
Тхи Тху Хыонг Нгуен,
Thi Nguen
Publication year - 2018
Publication title -
lesotehničeskij žurnal
Language(s) - English
Resource type - Journals
ISSN - 2222-7962
DOI - 10.12737/article_5a3cf017bf5e43.49082745
Subject(s) - parabola , forest inventory , tree (set theory) , mathematics , forestry , statistics , diversity (politics) , drill , pinus tabulaeformis , geography , environmental science , mathematical analysis , engineering , forest management , geometry , botany , sociology , mechanical engineering , biology , anthropology
The purpose of our research was to study the species diversity of trees and shrubs in the memorial Park across three centuries after its formation. Such research we carried out for the first time. In addition, we conducted measurements of forest inventory indices of the studied tree species. The calculated equation of the relationship of tree age with a height and diameter that can be measured. The mathematical models should be used to determine the age of trees, as the drill age is not recommended to use for traditional purposes in the memorial parks. The tightness of the obtained relations inventory indices in the form of a parabola is quite high. The coefficient of determination is 0.82 to 0.99, depending on the type of wood.