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Table 2 List of volume equations for the tree species in the study sites

From: Stand structure and species diversity regulate biomass carbon stock under major Central Himalayan forest types of India

Tree species Volume equations
Abies spectabilis (D. Don) Mirb. V = 0.22742 − 1.06194D + 7.21004D2 + 3.04194D3
Acer caesium Wall. ex Brandis \( \sqrt{V}=-0.10851+3.04250D \)
Acer sterculiaceum Wall.
Aegle marmelos (L.) Corrêa V/D2 = 0.16609/D2 − 2.78851/D + 17.22127 − 11.60248D
Aesculus indica (Wall. ex Cambess.) Hook. \( \sqrt{V}=0.220191+3.923711D-1.117475\sqrt{D} \)
Albizia procera (Roxb.) Benth. V =  − 0.043832 + 3.262852D2
Alnus nepalensis D.Don \( \sqrt{V}=-0.136676+3.60113D \)
Betula alnoides Buch. -Ham. ex D.Don V =  − 0.12110 + 1.58826D + 1.96643D2
Cedrus deodara (Roxb. ex D. Don) G.Don V =  − 0.00165 + 8.209795D2
Cupressus torulosa D.Don ex Lamb. logeV = 2.101388 + 2.418695logeD
Eucalyptus tereticornis Sm. \( \sqrt{V}=-0.0868+2.8335D \)
Ficus benghalensis L. \( \sqrt{V}=0.03629+3.95389D-0.84421\sqrt{D} \)
Ficus religiosa L.
Holarrhena pubescens Wall. ex G. Don V = 0.17994 − 2.78776D + 14.44961D2
Juglans regia L. \( \sqrt{V}=-0.207229+3.254007D \)
Lyonia ovalifolia (Wall.) Drude V = 0.03468 − 0.56878D + 4.72282D2
Mallotus nudiflorus (L.) Kulju & Welzen \( \sqrt{V}=-0.45312-0.41426D+2.10913\sqrt{D} \)
Mallotus philippensis (Lam.) Müll.Arg. V = 0.14749 − 2.87503D + 19.61977D2 − 19.11630D3
Mitragyna parvifolia (Roxb.) Korth. V/D2 = 0.099768/D2 − 1.744274/D + 10.086934
Picea smithiana (Wall.) Boiss. V/D2 = 0.26072/D2 − 3.29692/D + 14.71246
Pinus roxburghii Sarg. V = 0.12844 − 2.23711D + 11.78506D2 − 0.56094D3
Pinus wallichiana A.B. Jacks. V = 0.223139 − 2.35096D + 11.90669D2
Quercus floribunda Lindl. ex A. Camus \( \sqrt{V}=0.47511-4.93282D-2.450475\sqrt{D} \)
Quercus glauca Thunb. V = 0.06839 − 0.95816D + 6.06105D2 + 2.66635D3
Quercus oblongata D. Don
Quercus semecarpifolia Sm. V = 0.08355 − 1.28586D + 8.76867D2 + 1.1215D3
Rhododendron arboreum Sm. \( V=0.06007-0.21874\sqrt{D}+3.63428{D}^2 \)
Senegalia catechu (L.f.) P.J.H. Hurter & Mabb. V = 0.02384 − 0.72161D + 7.46888D2
Shorea robusta C.F. Gaertn. V = 0.03085 − 0.77794D + 8.42051D2 + 5.91067D3
Syzygium cumini (L.) Skeels V/D2 = 0.09809/D2 − 1.94468/D + 13.36728 − 6.33263D
Taxus wallichiana Zucc. \( V=0.487126+3.698924D-1.856459\sqrt{D} \)
Tectona grandis L.f. V = 0.08847 − 1.46936D + 11.98979D2 + 1.97056D3
Terminalia anogeissiana Gere & Boatwr. \( \sqrt{V}=0.46976+5.99849D-2.60729\sqrt{D} \)
Terminalia bellirica (Gaertn.) Roxb. \( \sqrt{V}=-0.0233308+2.803750D \)
Terminalia elliptica Willd.
Adina cordifolia (Roxb.) Brandis; Ailanthus excelsa Roxb.; Cassia fistula L.; Grevillea robusta A. Cunn. ex R.Br.; Holoptelea integrifolia (Roxb.) Planch.; Naringi crenulata (Roxb.) Nicolson; Schleichera oleosa (Lour.) Oken: For these species general volume equation for Lansdowne/Yamuna/Tehri/Garhwal division was used.
V =0.038430.36982D +2.62185D2+7.68659D3
Buxus wallichiana Baill.; Carpinus viminea Lindl. ex Wall.; Cornus capitata Wall.; Daphniphyllum himalense (Benth.) Müll.Arg.; Euonymus tingens Wall.; Ilex dipyreana Wall.; Machilus odoratissima Nees; Neolitsea pallens (D.Don) Momiy. & H. Hara; Prunus cornuta (Wall. ex Royle) Steud.; Pyrus pashia Buch.-Ham. ex D. Don; Sorbus foliolosa (Wall.) Spach.: For these species general volume equation for Alaknanda catchment/Chamoli/Pauri Garhwal was used.
\( \sqrt{\boldsymbol{V}}=\mathbf{0.60124}+\mathbf{5.32265}\boldsymbol{D}-\mathbf{2.92195}\sqrt{\boldsymbol{D}} \)
  1. V volume (m3) under bark, D diameter at breast height (1.37 m) over bark in meters
  2. Reference: Aegle marmelos (FSI 2011), rest all the equations are from FSI (1996)
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