Editors-in-Chief:  Weilun Yin, Beijing Forestry University, China Klaus v. Gadow, University of Göttingen, Germany
Volume 15 Issue 2
Dec.  2019
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Radha BALLABHA, J. K. TIWARI, P. TIWARI. Regeneration of tree species in the sub-tropical forest of Alaknanda Valley, Garhwal Himalaya, India[J]. Forest Ecosystems, 2013, 15(2): 89-97. DOI: 10.1007/s11632-013-0205-y
Citation: Radha BALLABHA, J. K. TIWARI, P. TIWARI. Regeneration of tree species in the sub-tropical forest of Alaknanda Valley, Garhwal Himalaya, India[J]. Forest Ecosystems, 2013, 15(2): 89-97. DOI: 10.1007/s11632-013-0205-y
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Regeneration of tree species in the sub-tropical forest of Alaknanda Valley, Garhwal Himalaya, India

  • Department of Botany and Microbiology, HNB Garhwal University, Srinagar Garhwal 246174, Uttarakhand, India

Funds: 

We are very grateful to the Department of Science and Technology (SEED Division), Government of India, for providing financial support vide its Project No. SP/YO/022/2008.

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  • Received Date: 23 January 2013
  • Rev Recd Date: 17 April 2013
    Graphical Abstract
    • Abstract
  • We studied the regeneration of tree species in the sub-tropical forest of Alaknanda Valley in Garhwal Himalaya, India. The overall regeneration status was fairly good in the study area. Seedling density ranged between 520 and 1,240 seedlings per ha while the density of saplings varied between 400 and 800 saplings per ha. Out of eight sites studied, five sites, viz., A1
    , A2
    , B1
    , B2
     and C2
     contained the highest number of seedlings (280-480 per ha) and saplings (200-440 per ha) for Pinus roxburghii
     and remaining three sites viz., C1
    , D1
     and D2
     represented the highest number of seedlings (240-400 per ha) and saplings (200-240 per ha) for Anogeissus latifolius
    . The DBH class distribution of the tree species revealed that the highest number of individuals was concentrated in the lower diameter classes while smallest numbers were found in the higher diameter classes. Species such as Acacia catechu
    , Anogeissus latifolius
    , Dalbergia sissoo
    , Engelhardtia spicata
    , Lannea coromandelica
    , Mallotus philippensis
     and Pinus roxburghii
     have the largest number of saplings and seedlings in the lower DBH classes, suggesting that they have good regeneration potential. Other species such as Aegle marmelos
    , Bauhinia variegata
    , Bombax ceiba
    , Cassia fistula
    , Erythrina variegata
    , Haldinia cordifolia
    , Mangifera indica
    , Ougeinia oojeinensis
    , Phyllanthus emblica
    , Syzygium cumini
    , Terminalia alata
     and Toona hexandra
     have either no or very small number of saplings in the lower DBH classes, which indicates that the status of these species implies poor regeneration.
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