Chapters authored
Increasing Biodiversity of Russian Taiga Forests by Creating Mixed Forest Cultures of Scots Pine and Siberian Larch
Studies were conducted in the Padunsky forest area of the Bratsk district of the Irkutsk region in order to identify the influence of self-sowing that appears in the young growth of Scots pine, created by sowing or planting due to the self-seeding of Scots pine, which can be proved by the age of test trees that are less than 1–3 years old than the forest cultures. Birch and aspen appear in the composition, Siberian larch and Siberian pine appear in a small amount, and at some test plots, silver birch takes up to six units. Such forest cultures require thinning to avoid changing to soft-leaved species. The parameters of the macroscopic structure of Scots pine wood and the thickness of the bark at the base of the trunks, depending on the age of forest cultures, have been determined. To solve the choice of the most effective method of reforestation and increase the economic value of the young stands formed in various types of forest-growing conditions, the effectiveness of various methods and technologies of reforestation has been evaluated. As a result of the work performed, it was established that regardless of the year when the forest cultures are created, self-seeding always appears in the plantations. The smallest amount of self-sowing appeared on relatively poor fresh soils in the cowberry-grass type of forest. The greatest amount of self-seeding can be seen in the motley grass type forests with relatively rich wet soils.
Part of the book: Advances in Forest Management under Global Change
Assessment of the State of Forest Plant Communities of Scots Pine (Pinus sylvestris L.) in the Conditions of Urban Ecosystems
Siberian cities are characterized by one feature: many of them have preserved natural woodlands during construction, which on the one hand give a completely unusual, unique appearance to cities, on the other hand, trees suffer from recreational load, high levels of pollution and other anthropogenic factors. To assess the condition of pine stands, 3 test areas (0.5 ha, 0.1 ha and 1.9 ha) were laid. All considered plantings of natural origin are areas of woodland that were preserved during the construction of the city and are subject to recreational and industrial pollution. The test sites belong to areas with a high anthropogenic load, as they are located along highways and in close proximity to residential and public buildings and are part of parks with a high recreational load. The average age of trees is 70–80 years. The sanitary condition of the massif and its landscape characteristics are also determined. The critical condition of the massif is established, requiring sanitary logging and other forestry measures that could reduce recreational and anthropogenic loads.
Part of the book: Vegetation Index and Dynamics