Abstract
For the sustainable development of society, timely and high-quality reproduction of forests is necessary with the preservation of ecosystem functions at the expense of economically valuable species, such as Larix sibirica Led. The aim of the work is to study the composition and structure of artificially created larch forests in the subzone of broadleafconiferous forests of the Kirov Region to find out the possibility, expediency and features of them for the conservation and maintenance of biodiversity, as well as timber resources. Communities were characterized from these positions by traditional silvicultural, geobotanical, ecological, and cenotic characteristics. The state of the stand was evaluated in comparison with normal stands according to M.M. Orlov. It was found that: 1) Larch stands mainly correspond to the values of normal stands of this age and are distinguished by a greater stock of wood than forests of the main forest-forming species of the region. 2) There is a tendency of natural transformation of larch forests into forests with greater participation of spruce: large undergrowth of Picea abies L., Abies sibirica Ledeb., Betula pendula L.; presence of boreal species in underbrush: Sorbus aucuparia L., Rubus idaeus L.; prevalence of boreal ecological and cenotic group (EEC) among herbs; moss cover of taiga species. 3) The main reason for community change is high density of stands. 4) Presence of non-moral ECG species, including Convallaria majalis L., which is protected in Kirov region. Increase of resource, supporting and preserving functions of forest ecosystems in the sub-zone of broadleaf-coniferous forests of Kirov region is possible and expedient by using L. sibirica in forest reproduction. To prevent transformation of larch forests into forests with spruce it is necessary to maintain illumination, for which purpose it is expediente carry out a full complex of forest maintenance cuts, especially thinning and pass logging.
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