Academic literature on the topic 'Tree slenderness coefficient'

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Journal articles on the topic "Tree slenderness coefficient"

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Hanum, S. F., I. D. P. Darma, M. B. Atmaja, G. A. E. Oktavia, H. Merriansyah, and A. Fauzi. "Tree slenderness coefficient at Bali Botanic Garden." IOP Conference Series: Earth and Environmental Science 918, no. 1 (2021): 012038. http://dx.doi.org/10.1088/1755-1315/918/1/012038.

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Abstract Standing trees has a higher risk regarding structural damage that can cause trees or parts of trees to fail. Meanwhile, Bali Botanic Garden is located in a highland area that periodically gets natural disasters such as heavy wind. However, the information on tree stability is little known. Therefore, tree stability at Bali Botanic Garden was assessed using tree slenderness coefficient (SC) as an indicator. Purposive sampling technique was adopted for locations which highly visited. A total of 624 trees with dbh>40 cm were examined as samples. Trees were classified based on their SC
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Wang, Yue, Stephen J. Titus, and Valerie M. LeMay. "Relationships between tree slenderness coefficients and tree or stand characteristics for major species in boreal mixedwood forests." Canadian Journal of Forest Research 28, no. 8 (1998): 1171–83. http://dx.doi.org/10.1139/x98-092.

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The slenderness coefficients of trees, defined as the ratio of total height to diameter at 1.3m above ground, have been widely used as an index of the resistance of trees to windthrow. For many European coniferous species, slenderness coefficients have been intensively studied, but very little information is available for the tree species in boreal mixedwoods of Canada. By applying correlation analysis and graphical approaches to permanent sample plots data from Alberta, the relationships between slenderness coefficients and tree or stand variables were investigated for the five major species
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Oladoye, A. O., P. O. Ige, Q. A. Onilude, and Z. T. Animashaun. "Slenderness coefficient models for tree species in Omo biosphere reserve, South-western Nigeria." Tropical Plant Research 7, no. 3 (2020): 609–18. http://dx.doi.org/10.22271/tpr.2020.v7.i3.075.

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This study was carried out to aid the prediction of tree slenderness coefficient using non-linear regression models for tree species in Omo Biosphere Reserve, Southwestern Nigeria. Systematic line transect design was adopted for the study. Three transects were laid with four plots on each transect at alternate positions which made a total of 12 sample plots (50 m × 50 m) in the study area. Diameter at breast height (DBH), diameter at the top, diameter at the middle and diameter at the base as well as total height and merchantable height of all trees were measured. Descriptive statistics, Pears
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Dancheva, A. V., and S. V. Zalesov. "Influence of thinning on protective pineries biosustainability in Northern Kazakhstan." FORESTRY BULLETIN 26, no. 4 (2022): 5–13. http://dx.doi.org/10.18698/2542-1468-2022-4-5-13.

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The article presents the results of thinnings in pineries of the Kazakh uplands in Northern Kazakhstan carried out for an over 70-year period and their influence on biosustainability (on the example of the state national natural park «Burabay»). The research objects are high-density mature pine forests growing in dry forest conditions. The results of research have shown that to the average values of the vital status indicator (VSI), the complex estimated indicator (CEI) and the tree slenderness coefficient (H/D), pine stands in most sections are characterized as «weakened». In forest stands af
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Shamaki, S. B. "Relationships between tree slenderness coefficients and stand characteristics for major plantation-grown species in North-western Nigeria." Tropical Plant Research 9, no. 1 (2022): 37–43. http://dx.doi.org/10.22271/tpr.2022.v9.i1.006.

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This study established relationships between tree slenderness coefficient (used as an index of resistance of trees to windthrow) and some stand characteristics of three major tree species used for plantation establishment in some part of North-western Nigeria. Tree measurements for diameter at breast height (DBH) and total tree height were conducted on 60 randomly selected temporary sample plots (TSP) of 20 × 20 m, while tree slenderness coefficient (TSC), basal area (BA), and tree volume were computed from the field data. Pearson correlation was used to establish a relationship between TSC an
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Đodan, Martina, and Sanja Perić. "Windthrow Resistance of Norway Spruce (Picea abies /L./ Karst.) Forest Cultures - Preliminary Results." South-east European forestry 10, no. 1 (2019): 77–88. http://dx.doi.org/10.15177/seefor.19-09.

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Background and Purpose: Forest damage by wind is an important cause of economic loss in commercial forestry in the Republic of Croatia, as well as in many other European countries. Thus, windthrow resistance of trees represents a significant issue. Spruce forest cultures have shown the lowest resistance to windthrow so far. Nevertheless, there is not much insight into the relationship between trees and stand resistance to wind in the region. The objectives of this paper are to: (i) provide first evidence of the relation between tree characteristics prior to storm event in completely destroyed
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Kiaei, Majid, Valiullah Moosavi, and Seyed Eshagh Ebadi. "Effects of altitude on density and biometric properties of hornbeam wood (Carpinus betulus)." Forest Systems 28, no. 2 (2019): e011. http://dx.doi.org/10.5424/fs/2019282-14490.

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Aim of the study: This study aimed to investigate the effect of altitude difference on the wood dry density, fiber dimensions, and morphological properties of hornbeam wood (Carpinus betulus L.).Area of study: The study area was located in the province of Mazandaran, north of Iran.Material and method: 18 mature trees were randomly selected and harvested at six altitude levels (300, 500, 700, 900, 1100, and 1300 m) in the north of Iran. The clear test samples‎ were prepared‎ at diameter at breast height (DBH) to measure the wood dry density, fiber length, fiber diameter, cell wall thickness, Ru
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Karlinasari, L., U. Adzkia, Y. Fredisa, M. M. Rahman, N. Nugroho, and I. Z. Siregar. "Tree form morphometrics of Agathis dammara and Acacia mangium in the IPB’s Dramaga Landscape Campus, Bogor." IOP Conference Series: Earth and Environmental Science 918, no. 1 (2021): 012015. http://dx.doi.org/10.1088/1755-1315/918/1/012015.

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Abstract Tree growth comprises diverse tree forms and crown shapes that are influenced by the growing space and are related to biomechanical responses. Due to the complex structures of tree forms and crown architecture, more understanding of their functions is necessary. The study aimed to evaluate the morphometrics of two tree species of contrasting tree forms. Each represents excurrent and decurrent crown architectures located in the Dramaga Campus Landscape, Bogor. Morphometric analysis was conducted on those two species, namely excurrent agathis (n=23 trees) and decurrent mangium (n= 15 tr
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Mičovský, J. "Ecological stability of alpine treeline ecotone formed by beech (Fagus sylvatica L.) in Ďumbier Low Tatras." Beskydy 7, no. 2 (2014): 87–98. http://dx.doi.org/10.11118/beskyd201407020087.

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The paper analyses the results of the ecological stability research of beech (Fagus sylvatica L.) stands at the alpine tree-line ecotone in the Ďumbier part of Law Tatras. The applied methodology by Vološčuk (2000) is based on the approximation of the current tree species composition with respect to the original ones, crown ratio, slenderness quotient, sanitary coefficient and vertical species profile of the stands. The resulting value of ecological stability of the stands, typologically classified into a group of forest types Fageto-Aceretum humile, was increased by approximation of 80.0–82.5
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Rudnicki, Mark, Uldis Silins, and Victor J. Lieffers. "Crown Cover Is Correlated with Relative Density, Tree Slenderness, and Tree Height in Lodgepole Pine." Forest Science 50, no. 3 (2004): 356–63. http://dx.doi.org/10.1093/forestscience/50.3.356.

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Abstract The objective of this study was to investigate the relationship between tree height, bole slenderness, and relative density with crown shyness (crown interstitial space) in even-aged lodgepole pine. In 10 lodgepole pine stands in Alberta, Canada, ranging in height from 5.6 to 22.1 m, 9–23 triangular plots were established. A plot consisted of three trees that formed the corners of the triangle; all plots were at theoretical crown closure. Within each triangle, the percentage crown closure (% CC) was related to the mean height, slenderness coefficient (SC, tree height/diameter), and re
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Conference papers on the topic "Tree slenderness coefficient"

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Amar, Haddad, Rached-Kanouni Malika, Badri Boukous, Mokhtar Adjadj, and Walid Medjoub. "STUDY OF THE VIABILITY OF ALEPPO PINE TREES BY USING PHF INDEX." In GEOLINKS Conference Proceedings. Saima Consult Ltd, 2021. http://dx.doi.org/10.32008/geolinks2021/b2/v3/24.

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This work, which was conducted in the Chettaba forest about the viability of the stands can be given by the PHF index, a three-digit index that gives a judgment of the position of the tree (in relation to the others and thus indicating the dominance and the stage of competition or exposure to the dominant stage), of the general shape of the crowns, and of the shape of the shafts, it allows a more detailed silvicultural interpretation to predict the future of the stand and ultimately deduce the viability of the stands. Thus, there is an essential need for a study to be conducted in this regard
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