Contemporary Problems of Ecology

, Volume 3, Issue 2, pp 167–172 | Cite as

Ecogeographical characteristics of the seed-bearing capacity and natural regeneration of pine on the fire-sites in pine forests of Transbaikalia

  • N. S. Sannikova
  • S. N. Sannikov
  • A. P. Gritsenyuk
  • E. V. Egorov
  • I. V. Petrova
Article
  • 45 Downloads

Abstract

The paper presents the results of the studying of the parameters of post-fire structure and seed-bearing capacity of tree stands, factors of surface medium (thickness of burnt duff, projective cover of herb and moss vegetation) as well as number, vitality, and age structure of self-seeded Scots pine (Pinus sylvestris L.) and accompanying small-leaved species in the Lower Selenga pine forest massif of the forest-steppe in Southwestern Transbaikalia. The seed harvests were 1.5–2 times higher than in the geographically replacing forest types in the forest-steppe of West Siberia, and vitality of the undergrowth of the pine under the canopy of fire-affected stands was extremely low. It is shown that the pine reforests successfully on the fire-sites in the zone of insemination from the forest walls and on the thin fire-sites in the cowberry-rhododendron pine forests, where it is 2–3 times more abundant than in forest-steppe of the West Siberia. The reforestation is insufficient on the fire-sites in the bearberry-lichen pine forests.

Key words

Scots pine fire seed harvest self-sown undergrowth age structure number vitality 

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • N. S. Sannikova
    • 1
  • S. N. Sannikov
    • 1
  • A. P. Gritsenyuk
    • 2
  • E. V. Egorov
    • 1
  • I. V. Petrova
    • 1
  1. 1.Botanical GardenUralian Branch of the Russian Academy of SciencesYekaterinburgRussia
  2. 2.Kabanskoe Forestry of the Forestry Agency of Republic of BuryatiaTretii Kvartal, Kabansk Village, Republic of BuryatiaRussia

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