Zobrazeno 1 - 10
of 308
pro vyhledávání: '"crown diameter"'
Autor:
Vladimir F. Konovalov, Aigul A. Gabitova, Aydar К. Gabdelkhakov, Dina A. Rafikova, El’vira R. Khanova
Publikováno v:
Лесной журнал, Iss 4, Pp 9-25 (2024)
An assessment of the main morphometric features of the ramets of clones of Scots pine plus trees in a comparative aspect has been carried out. The vegetative progeny of plus trees of the species are represented as part of a clonal plantation created
Externí odkaz:
https://doaj.org/article/495f491260444d0eb28175f147434660
Publikováno v:
Remote Sensing, Vol 16, Iss 21, p 3974 (2024)
Three raster-based (RB) and one point cloud-based (PCB) algorithms were tested to segment individual Aleppo pine trees and extract their tree height (H) and crown diameter (CD) using two types of point clouds generated from two different techniques:
Externí odkaz:
https://doaj.org/article/72391f1aa5a645baa5c1a07332eea284
Publikováno v:
In Urban Forestry & Urban Greening April 2024 94
Publikováno v:
Forest Ecosystems, Vol 12, Iss , Pp 100258- (2025)
Rapid urbanization has caused significant changes along the urban-rural gradient, leading to a variety of landscapes that are mainly shaped by human activities. This dynamic interplay also influences the distribution and characteristics of trees outs
Externí odkaz:
https://doaj.org/article/044afdea71494bb3b01e05f18d3a894c
Publikováno v:
Nature-Based Solutions, Vol 3, Iss , Pp 100058- (2023)
Residents were suffering from climatic issues resulting from global warming and urban heat islands (UHI). Researchers have explored ways of mitigating these issues. They have discovered several factors that adjust microclimate, including vegetation.
Externí odkaz:
https://doaj.org/article/0c04043f3f704185bd6171f55874ecac
Autor:
Hussein Luswaga
Publikováno v:
Global Ecology and Conservation, Vol 45, Iss , Pp e02515- (2023)
Trichilia emetica species have been used for urban greening in cities for their ecosystem services potential. Despite potential, there is paucity of information on the species capacity for carbon sequestration and shade characteristics that are among
Externí odkaz:
https://doaj.org/article/534591e718494437ba48d7da60d64937
Autor:
Jiuyuan Zhang, Jingshan Lu, Qiuyan Zhang, Qimo Qi, Gangjun Zheng, Fadi Chen, Sumei Chen, Fei Zhang, Weimin Fang, Zhiyong Guan
Publikováno v:
Agronomy, Vol 14, Iss 2, p 337 (2024)
Crown diameter is one of the crucial indicators for evaluating the adaptability, growth quality, and ornamental value of garden chrysanthemums. To accurately obtain crown diameter, this study employed an unmanned aerial vehicle (UAV) equipped with a
Externí odkaz:
https://doaj.org/article/a407bfb6b83545538b557d094aefd0e1
Akademický článek
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Publikováno v:
Annals of Silvicultural Research, Vol 44, Iss 1, Pp 24-29 (2020)
Many walnut (Juglans spp.) planted forests oriented for timber production have been established during the last decades. These plantations usually have a relatively low initial density (250-400 trees ha-1) and 1 or 2 thinnings are needed for valuable
Externí odkaz:
https://doaj.org/article/3e4bcb49e40a40f690aeb8f6cfc8ab3e
Publikováno v:
IEEE Access, Vol 8, Pp 11669-11678 (2020)
The tree height and crown diameter are important measurement attributes in forest resource survey and management. Hence, we propose a passive measurement method of tree height and crown diameter based on monocular camera of a smartphone. First, we us
Externí odkaz:
https://doaj.org/article/28da902a0ed04a14a11c582cfb9cc472