Authors:
V. M. TRETIYAKOV, post-graduate student,
S. V. ZALESOV, doctor of agricultural sciences, professor,
E. S. ZALESOVA, associate professor, candidate of agricultural sciences,
Ural State Forestry Engineering University (37 Sibirskiy tract Str., 620100, Ekaterinburg)
Abstract. The paper touches upon determination of geographic pine forest crops specific index layed out in 1976 on the territory of Nizhnenevsky forest district in Kurtamyshsky forest district of Kurgansky region (subzone of Zaralsk forest district of the west Siberia). The above mentioned geographic plantations have been out on the former plough lands after total cutting area preparation with 2-year seedlings 33 climatic types and local samples of pine. Every climat type seedling has been planted in blocs of 0.1; 0.15 and 0.25 ha and with 3 times repetition. 36-years after planting it has been established that conservation of different climate types are varied from 4.8 % to 40.4 %. The best conservation (40.4 %) is characteristic for artificial stands formed from seeds obtained in Kamsky forest district republic of Tatarstan. The given climatic type is characteristic as well for maximal frunk timber resources – 611 m3/ha. The worst conservation – 4.8 % in artificial stands created from seeds of Rakitovsky forest district in Altay kray. The climatic type of Bolotninsky forest district of Novosibirsky region is characterized by minimal resources – 77 m3/ha. Of particular attention deserves the fact that artificial stands conservation created from the local seeds is varied from 15.8 % to 24.4 % cohen reserves are varied from 221 to 330 m3/ha.
Keywords: Zauralsk forest steppe subzone, common pine, geographic cultures, conservation, mean height and diameter, reserve.
