نتایج جستجو برای: characteristics including tree density
تعداد نتایج: 2053766 فیلتر نتایج به سال:
BACKGROUND AND AIMS Wood density is a key variable for understanding life history strategies in tropical trees. Differences in wood density and its radial variation were related to the shade-tolerance of six canopy tree species in seasonally dry tropical forest in Thailand. In addition, using tree ring measurements, the influence of tree size, age and annual increment on radial density gradient...
Background: Today, in most hospitals in Iran, there is an extensive database of patient characteristics that includes a large amount of information related to medical, family and medical records. Finding a knowledge model of this information can help to predict the performance of the medical system and improve educational processes. Methods: Data mining techniques are analytical tools that are...
in order to investigate some silvicultural and soil physico-chemical characteristics of christ's thorn (ziziphus spina christi l. desf.) natural stands, ten natural stands of the tree species which have similar climate and aspects were selected and altitude from sea level (asl), the thickest sprout collar diameter (tscd) and total tree height (th) of the tree species were measured in 1000 ...
There is less published research on ecosystems of forested rangeland in Iran. This research was conducted to investigate the forested rangeland area based on legal definition via comparison of indices species richness, diversity, and morphology of the trees and shrubs in Sabzkouh watershed, Chaharmahal Bakhtiari province, Iran. Quantitative characteristics of trees and shrubs were measured by 5...
In traditional Persian Art, everything is esoteric. It means that any semblance used to refer to an abstaract meaning in a higher realm. Recognition the ideology affecting the arts is necessary to understand the language of Persian Art. The aim of this study is to investigate the structure and language of expression trees, due to the long history of symbolic role of trees in art. In this regard...
Despite accumulative evidence regarding the impact of physical environment on health-related outcomes, very little is known about relationships between built characteristics and quality life (QoL) cancer patients. This study aims to investigate association QoL by using survey data collected from patients within United States in 2019. To better understand associations, we controlled effects soci...
This study aimed to assess the influence of tree vegetation and some environmental factor on soil organic carbon (SOC), which is part matter (SOM). Vegetation survey sampling were carried out in five stand types protected forest Kulon Progo Community Forestry, including Pinus (PN), Aleurites-Swietenia (AS), Swietenia-Acacia (SA), Melaleuca-Acacia (MA) Tectona-Dalbergia (TD). Tree composition ch...
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