One of the modern methods of spatially estimating anthropogenic impact on a given territory is landscape planning, including the stage of assessment of the conditions of a natural complex . The results of such an evaluation are used in environmental management. The aim of the work is to assess the ecological conditions of the Vasyshchivsky forest area by means of landscape and environmental planning. The aim is achieved by performing the following stages of work: assessment of the distribution and intensity of contamination sources in the Vasyshchivsky forest area; drawing a scheme showing parts of the territory with probable conflicts; making a soil and geochemical survey of the forest area to assess acidity distribution and total content of carbonates in the soil as the consequences of pollution of the forest ecosystem ; specification of geochemical characteristics of soils on the forest sites in the established location of former fires; forecast of limits of afte-r fire areas based on the analysis of cartographic works developed by the authors. The geochemical characteristics of the soils in Vasyshchivsky forest have been studied to identify the areas affected by fire, and the results of this study are given in this paper. During the inventory phase of landscape and environmental planning, a complete survey of the forest territory was conducted and a landscape map was drawn. Based on the authors’ matrices filled with conflicts of natural use, the areas with low, medium and high levels of conflict have been marked within the study area. Landscape and environmental planning has been evaluated by soil sampling outside the test points on the network and their laboratory analysis. The results of the evaluation phase were maps illustrating the geochemical situation in the forest soil cover. The article presents cartographic models of the spatial distribution of carbonates in the forest soils, water and salt extraction pH. The results of the study are part of an environmental assessment of Vasyshchivsky forest area. In future they will be used in restoration of the forest ecosystems after fire.

Purpose of this research was to detect influence of climatic change on pine radial increment in stand in the Left-bank Forest-steppe of Ukraine as example 100-years-old stand at State Enterprise 'Kharkiv forest scientific research station’. Methods. Dendrochronological. Method of correlation function and multiple regressions (response function) were used to analyze the influence of climatic factors on tree radial increment. For this purpose computer program RESPO was used. Results. Tree ring series were built and were used for correlation analysis between climatic factors and pine radial increment for two periods: 1960-1988 and 1988-2016.Years of minimum (1933, 1942, 1956, 1972, 1976, 1976, 1987, 1992, 2002, 2006 та 2012) and maximum (1933, 1942, 1956, 1972, 1975, 1976, 1979, 1979, 1979, 1987, 1992, 2002 та 2012) of radial increment were detected. Depressions of pine radial increment were as a result of negative weather conditions: low and high winter and early-spring temperature, droughts during vegetation period. Maximums of radial increments were depended on favorable weather conditions for pine radial growth. Correlation and Response analysis for two periods showed that increase of temperature and precipitation, excluding winter precipitation, changed response of forest ecosystems to climatic change: if in first period (1960-1988) radial increment limited by April temperature and together July temperature positively influenced on radial growth, in second period (1988-2016) June temperature negatively infuenced on radial increment. Slight increase precipitation during vegetation period could not soften impact if high temperature during vegetatation period on tree radial increment. Conclusions. At comparison 1960-1988 and 1988-2016 it was detected that during first period positive influence of summer temperature on radial growth was distinctive and for second period one started to limit increment (negative influence) were detected. Slight increase of precipitation for vegetation period in second period significantly didn’t influence on pine radial growth. In second period increase of winter temperature and number of thaws negatively influenced on soil moisture, decreased of tree ring widths.

Досліджено особливості реакції радіального приросту сосни звичайної (Pinus sylvestris L.) на зміну клімату в середньовіковому чистому сосновому насадженні Лівобережного Лісостепу. Використано стандартні дендрохронологічні методики. Виявлено роки мінімального приросту: 1975, 1987 та 2013, що обумовлено високими середньорічними температурами 1975 та 2013 рр. і низькими зимовими температурами 1987 р. Роки максимального приросту (1944, 1957, 1978 та 2004.) відзначалися оптимальним співвідношенням тепла й вологи. Виявлено взаємозв’язки між радіальним приростом сосни й опадами та температурами за два періоди – 1960–1992 та 1985–2017 рр. У другому періоді дерева стали більш чутливими до погодних стрес-чинників унаслідок потепління, про що свідчать результати кореляційного аналізу та функції відгуку. Збільшилася кількість значущих зв’язків між радіальним приростом і кліматичними чинниками в другому періоді внаслідок ослаблення насадження, викликаного зміною клімату. Посилився негативний вплив температур попереднього року та вегетаційного періоду поточного року на радіальний приріст сосни.

As a the brench of dendrochronology, dendroclimatology assesses the climate in the past and uses tree rings and weather data, mainly precipitation and temperatures, to assess future climate change. The rate of publications on dendroclimatology was slow during the first half of the 20th century, but it has grown exponentially since the 1960s. More than 3,000 of the 12,000 scientific publications now listed in the dendrochronology's online bibliography contain the word "climate". The purpose of the paper is to review the history of dendro-climatology and its basic provisions. The American astronomer A.I. Douglas at the beginning of the 20th century developed the methods and principles that we use today. The basic principles of dendrochronology are borrowed from general ecology: the uniformitarian principle, the principle of limiting factors, the principle of aggregate tree growth, the principle of ecological emplitude, the principle of crossdating, the principle of cite celection. The basic methods in dendrochronology are: selection of research sites, selection of cores, cross-dating, indexation of tree-ring chronologies. Statistical methods for quantifying tree to climate ratios are briefly discussed, as well as correlation analysis and response function. Examples of dendroclimatological studies are given. F.G. Kolyshchuk proposed an original technique for the study of radial pine growth in the Carpathian Mountains. He found that during the last 200 - 230 years different species of pine (Pinus mughus Scop., Sembra L.) growing in the high mountains and inter-forested marshes (P. Silvestris L., P. Mughus Scop.) In the Ukrainian Carpathians it’s revealed a similar growth rate in tree rings, which may be evidence of climatic conditioning of the dynamics of growth and the same response of these pine species to climate change. An example study of the response of pine radial growth to climate variations in the forest-steppe zone shows an increase in the sensitivity of stands due to climate warming. Conclusions. Dendroclimatology is an interdisciplinary science that helps to determine how similar or not climate is today to the past and continues to play an extremely important role in the study of the response of forest ecosystems to climate change.

This article considers the possibility of using remote sensing to monitor reforestation as exemplified in the Severodvinsk and Onezhsk forestry districts of the Arkhangelsk region of Russia’s Arctic zone. Remote sensing makes use of medium spatial resolution satellite images and high resolution unmanned aerial vehicle (UAV) images. In the course of work on the project, a preliminary method was developed for reforesting land previously subjected to cutting, fire, or windfall. Steps include detecting a reduction in forest cover and collecting field data through the use of UAVs to create a training set, which is used to classify satellite images according to the two classes of ‘restored’ or ‘not restored’. Various data processing tools are used to perform these steps. The Tasseled Cap multi-channel satellite image transformation method is employed as a tool for detecting a reduction in forest cover and analysing reforestation. The k-nearest neighbour algorithm is employed to classify satellite images. This article provides a step-by-step algorithm for monitoring and an assessment is provided of the situation in relation to forest regeneration in the Severodvinsk and Onezhsk forestry districts. The work carried out has shown that it is possible to use UAV images to monitor forest recovery, which is of significant importance for the conditions of the Arctic zone of European Russia.