The genetic diversity of 5 seed orchards of the first (I) and 12 the second (II) orders of the Norway spruce Picea abies (L.) H. Karst. was analyzed on basis of the isoenzyme analysis method, was carried the study with 18 isoenzyme genes. Allelic frequencies of occurrence of the isoenzyme loci were ...

The Republic of Serbia is ranked among the countries with high endemism and a very high floristic diversity. Forest genetic resources (FGR) take a significant place in the total biodiversity of Serbia, including about 250 indigenous tree species. This paper was aimed to give a review of the state...

In a 184-year-old stand of Scots pine Pinus sylvestris L. of the 1^st class of bonitet on two plots on an area of 2.2 ha with a stand height of 32.1 and 33.5 m, average diameters of 39.8 and 42.1 cm, and a fullness of 0.91 and 0.95, candidates for plus trees (hereinafter referred to as candidates)...

Riverbed poplars are often a complex formation consisting of individuals of seed and vegetative origin. In the northern part of the Altai-Sayan mountain country, a significant proportion of them is formed by species of different sections of black poplar Populus nigra L. (section Aigeiros Lunell)...

The article discusses the problem of sustainability of forest communities. The structures of indigenous virgin forests of different ages of spruce formations of the southern taiga subzone located in the nature reserve «Kologrivsky Forest» (Kostroma Oblast) were studied. In the tree stands of three...

Thousands of hectares of forest seed orchards and archival uterine plantations of plus trees have been created in the Russian Federation. Their inventory and monitoring can be carried out using ultra-high resolution satellite imagery. The purpose of the work was to test this approach based on...

Forest combustibility rate in Russia is extremely high-thousands of forest fires occur annually. The area covered by fires is measured in millions of hectares, fire consequences and the costs of fire-fighting amount to tens of billions of rubles. Reducing forest combustibility is an urgent task not ...

The contents of the paper aim at issues on native spruce forests in the taiga zone. It includes assessments of chemical elements local cycles in the ecosystem of middle-taiga of different ages of different herbaceous-bilberry spruce forest Piceetum herboso-myrtillosum on podzols soils. It shows the ...

The issues concerning Scots pine Pinus sylvestris L. seed transfers in northern Europe are discussed. The official rules regulating transfers of Scots pine seeds in the Russian Federation are described. The recent Russian and foreign literature about the geographical variation of main adaptive...

Recreational activities on natural territories put great pressure on ecosystems with the human impact being very uneven. The paper reports on experience of analyzing and monitoring the recreational impact on the forest area of the Kravtsovskiy waterfalls in the south of the Russian Far East. Autumn ...