1.Naidu MT, Kumar OA. Tree diversity, stand structure, and community composition of tropical forests in Eastern Ghats of Andhra Pradesh, India. J Asian Pac Biodivers. 2016;9(3):328-34.
2.Jucker T, Bongalov B, Burslem DF, Nilus R, Dalponte M, Lewis SL, et al. Topography shapes the structure, composition and function of tropical forest landscapes. Ecol Lett. 2018;21(7):989-1000.
3.Kouba Y, Martínez-García F, de Frutos Á, Alados CL. Plant β-diversity in human-altered forest ecosystems: the importance of the structural, spatial, and topographical characteristics of stands in patterning plant species assemblages. Eur J For Res. 2014;133(6):1057-72.
4.Bhat JA, Kumar M, Negi A, Todaria N, Malik ZA, Pala NA, et al. Species diversity of woody vegetation along altitudinal gradient of the Western Himalayas. Glob Ecol Conserv. 2020;24:e01302.
5.Ahmadi K, Jalil Alavi S, Zahedi Amiri G, Mohsen Hosseini S, Serra‐Diaz JM, Svenning JC. Patterns of density and structure of natural populations of Taxus baccata in the Hyrcanian forests of Iran. Nord J Bot. 2020;38(3).
6.Woldu G, Solomon N, Hishe H, Gebrewahid H, Gebremedhin MA, Birhane E. Topographic variables to determine the diversity of woody species in the exclosure of Northern Ethiopia. Heliyon. 2020;6(1):e03121.
7.Bruun HH, Moen J, Virtanen R, Grytnes JA, Oksanen L, Angerbjörn A. Effects of altitude and topography on species richness of vascular plants, bryophytes and lichens in alpine communities. J Veg Sci. 2006;17(1):37-46.
8.Cheng J, Shi X, Fan P, Zhou X, Sheng J, Zhang Y. Relationship of species diversity between overstory trees and understory herbs along the environmental gradients in the Tianshan Wild Fruit Forests, Northwest China. J Arid Land. 2020;12(4):618-29.
9.Gracia M, Montané F, Piqué J, Retana J. Overstory structure and topographic gradients determining diversity and abundance of understory shrub species in temperate forests in central Pyrenees (NE Spain). For Ecol Manage. 2007;242(2-3):391-7.
10.Holdrege M. Relationships Between Overstory and Understory Tree Composition and Light Environment in an Old Growth Forest, Adirondacks, NY: SUNY College of Environmental Science and Forestry; 2013.
11.Yilmaz N, Yayli N, Misir G, Karaoglu S, Yayli N. Chemical composition and antimicrobial activities of the essential oils of Viburnum opulus, Viburnum lantana and Viburnum orientala. Asian J Chem. 2008;20(5):3324.
12.Gottardini E, Cristofori A, Cristofolini F, Nali C, Pellegrini E, Bussotti F, et al. Chlorophyll-related indicators are linked to visible ozone symptoms: evidence from a field study on native Viburnum lantana L. plants in northern Italy. Ecol Indicators. 2014;39:65-74.
13.Al-Niemi T, Weeden NF, McCown BH, Hoch WA. Genetic analysis of an interspecific cross in ornamental Viburnum (Viburnum). J Hered. 2012;103(1):2-12.
14.Faralli M, Cristofolini F, Cristofori A, Ferretti M, Gottardini E, editors. Environmental factors, leaf traits and ozone visible symptoms are interrelated in Viburnum lantana. FORECOMON 2021–The 9th Forest Ecosystem Monitoring Conference: Forest Monitoring to assess Forest Functioning under Air Pollution and Climate Change; 2021: Swiss Federal Institute for Forest, Snow and Landscape Research WSL.
15.Gottardini E, Schaub M, Ferretti M, editors. VibEuroNet: a bio-indicator approach to assess ozone impact on vegetation using Viburnum lantana. 12th UNECE/ICP-Forests EP meeting and Intercalibration Course of the EP AAQ; 2016.
16.Sefidi K, Esfandiary Darabad F, Azaryan M. Effect of topography on tree species composition and volume of coarse woody debris in an Oriental beech (Fagus orientalis Lipsky) old growth forests, northern Iran. IForest. 2016;9(4):658.
17.Yirdaw E, Starr M, Negash M, Yimer F. Influence of topographic aspect on floristic diversity, structure and treeline of afromontane cloud forests in the Bale Mountains, Ethiopia. J For Res. 2015;26(4):919-31.
18.Nunes A, Köbel M, Pinho P, Matos P, Costantini EA, Soares C, et al. Local topographic and edaphic factors largely predict shrub encroachment in Mediterranean drylands. Sci Total Environ. 2019;657:310-8.
19.Angessa AT, Lemma B, Yeshitela K, Fischer J, May F, Shumi G. Woody plant diversity, composition and structure in relation to environmental variables and land‐cover types in Lake Wanchi watershed, central highlands of Ethiopia. Afr J Ecol. 2020;58(4):627-38.
20.Ghanbari S, Sheidai Karkaj E. Diversity of tree and shrub species in woodlands of Guijeh-bel region of Ahar. Iranian Journal of Forest and Poplar Research. 2018;26(1):118-28.
21.Mohammadzadeh A, Basiri R, Tarahi AA, Dadashian R, Elahiyan MR. Evaluation of biodiversity of plant species in Arasbaran area using non-parametric measures with respect to topographic factor of slope: a case study of aquiferous land of Ilgina and Kaleibar rivers. Journal of Plant Researches. 2015;27(4):728-41.
22.Hosseinzadeh R, Soosani J, Alijani V, Khosravi S, Karimikia H. Diversity of woody plant species and their relationship to physiographic factors in central Zagros forests (Case study: Perc forest, Khorramabad, Iran). Journal of forestry research. 2016;27(5):1137-41.
23.Kollmann J, Grubb PJ. Viburnum lantana L. and Viburnum opulus L.(V. lobatum Lam., Opulus vulgaris Borkh.). J Ecol. 2002;90(6):1044-70.
24.Bussmann RW, Batsatsashvili K, Kikvidze Z, Paniagua-Zambrana NY, Khutsishvili M, Maisaia I, et al. Viburnum lantana L. Viburnum opulus L. A doxaceae. Ethnobotany of the Mountain Regions of Far Eastern Europe: Ural, Northern Caucasus, Turkey, and Iran. 2020:1011-7.
25.Sagheb-Talebi K, Pourhashemi M, Sajedi T. Forests of Iran: A Treasure from the Past, a Hope for the Future: Springer; 2014.
26.Ghanbari S, Kern CC. Fuelwood Harvest and No Harvest Effects on Forest Composition, Structure, and Diversity of Arasbaran Forests—A Case Study. Forests. 2021;12(12):1631.
27.Bakhshandeh Navoroud B, Abrari Vajari K, Pilehvar B, Kooch Y. Evaluating plant diversity and some features of Oriental beech in different tree-layers: A case study of Beech forests in Asalem, Guilan. Journal of Plant Ecosystem Conservation. 2018;6(12):109-22.
28.Tarmu T, Laarmann D, Kiviste A. Mean height or dominant height–what to prefer for modelling the site index of Estonian forests? For Stud. 2020;72(1):121-38.
29.Sefidi K, Copenheaver CA, Kakavand M, Behjou FK. Structural diversity within mature forests in northern Iran: a case study from a relic population of Persian ironwood (Parrotia persica CA Meyer). For Sci. 2015;61(2):258-65.
30.Bartels SF, Chen HY. Interactions between overstorey and understorey vegetation along an overstorey compositional gradient. J Veg Sci. 2013;24(3):543-52.
31.Powers JS, Haggar JP, Fisher RF. The effect of overstory composition on understory woody regeneration and species richness in 7-year-old plantations in Costa Rica. For Ecol Manage. 1997;99(1-2):43-54.
32.Mohammadzadeh A, Basiri R, Tarahi AA, Dadashian R, Elahiyan M. Evaluation of biodiversity of plant species in Arasbaran area using non-parametric measures with respect to topographic factor of slope: a case study of aquiferous land of Ilgina and Kaleibar rivers. Journal of Plant Research (Iranian Journal of Biology). 2015;27(4):728-41.
33.Cui W, Zheng X-X. Spatial heterogeneity in tree diversity and forest structure of evergreen broadleaf forests in southern China along an altitudinal gradient. Forests. 2016;7(10):216.
34.Zhang J-T, Xu B, Li M. Vegetation patterns and species diversity along elevational and disturbance gradients in the Baihua Mountain Reserve, Beijing, China. Mountain Research and Development. 2013;33(2):170-8.
35.Kessler M. Patterns of diversity and range size of selected plant groups along an elevational transect in the Bolivian Andes. Biodivers Conserv. 2001;10(11):1897-921.
36.Sun L, Luo J, Qian L, Deng T, Sun H. The relationship between elevation and seed-plant species richness in the Mt. Namjagbarwa region (Eastern Himalayas) and its underlying determinants. Glob Ecol Conserv. 2020;23:e01053.
37.Heydari M, Mahdavi A. Pattern of plant species diversity in related to physiographic factors in Melah Gavan protected area, Iran. Asian J Bio Sci. 2009;2(1):21-8.
38.Adel MN, Pourbabaei H, Salehi A, Alavi SJ, Dey DC. Structure, composition and regeneration of riparian forest along an altitudinal gradient in northern Iran. Folia Geobotanica. 2018;53(1):63-75.