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The paper examines the recreational and health aspect of theme park activities. This study substantiates the idea that theme parks in the modern tourism business should become an alternative to the prohibitive construction of hotels in resort areas and traditional recreation areas. This paper is also devoted to understanding the problem of fulfilling the ambitious goals formulated by the government of the Russian Federation to form a new domestic tourism industry by 2030. According to this project, the tourist flow should double, reaching 140 million tourists per year. By 2030, 300 thousand rooms will be built; this is approximately a third of the existing ones. However, there is an alternative solution to this problem. For the development of the tourism industry, today it is more important not to build new hotels, but to create an additional tourist flow in order to increase the occupancy and profitability of existing hotels. The most effective tool for this is the creation of year-round theme parks that can attract millions of tourists to the regions and thereby reduce the seasonality of tourism.

The current problem of recycling winemaking waste is largely determined by the lack of technological cycles and waste-free technology schemes that can ensure the rational use of natural resources, including grape stems, when creating functionally new composite compositions designed to support human immunity and health. The most effective way to recover raw materials from grape stems is to produce extracts from them. As part of the study, the qualitative and quantitative phenolic composition of grape stem extracts was established. The methodology and technological regimes for the preparation of grape stems, as well as the ranges for varying the content of biologically valuable components in extracts from the stems, have been established. The use of the proposed scheme for obtaining extracts will allow us to separate the process of extracting the components of grape stems from infusion and will allow us to develop a number of technological advantages: targeted regulation of the quality of grape processing products, more complete use of raw materials, and reduction of losses of basic and auxiliary materials.

The paper examines the possibilities of the active influence of religious tourism on the preservation of the ecology of tourist regions. Currently, religious tourism is becoming more popular, every year more and more people are looking for peace in religious (often historical) monasteries, away from noisy cities and all-inclusive hotels. This article substantiates the idea that religious tourism is not only an opportunity to study the history of the emergence and development of a people, but also to gain new emotions by learning such enduring concepts as morality, humility, goodness, decency, faith. Many temples and monasteries are located in unique regions: in the mountains, on steppe plains or in virgin forests. Such a variety of landscapes in which holy monasteries are located makes it possible to realize all the greatness and uniqueness of nature, to awaken a desire to preserve it in its original form. Staying in holy monasteries is another opportunity for those who want to understand the essence and uniqueness of the world around us. This paper is also devoted to a philosophical understanding of the problem of the influence of religion on human behavior and attitude towards nature. Religion instills in a person responsibility for his actions. It is the moral institution of society. One of the goals of religion is the need to achieve a respectful attitude towards life. The prospect of a gradual improvement in the global environmental situation is largely associated with the revival of spiritual values and religious and ethnic norms.

Russia has vast forest resources that require constant conservation and protection measures, the implementation of which is currently impossible without the use of aviation or satellites. The widespread introduction of unmanned aerial vehicles will make it possible to effectively monitor the condition and predict changes in forest lands. The article discusses standard methods for monitoring the condition of forests and their advantages and disadvantages, highlighting the main existing threats to forests. The classification of unmanned aerial vehicles is given. The advantages of using unmanned aerial vehicles in forestry are highlighted. A classification of the areas of application of unmanned aerial vehicles in forestry is given.

Many people in today's society still enjoy hunting as a hobby to relax and disconnect from their busy daily lives. The Crimean Peninsula, located on the Black Sea coast, is not only famous for its history, natural landscapes and resorts, but is also one of the most popular places for hunting tourism. Magnificent natural conditions, a variety of wildlife and seasonal migrations make the peninsula an ideal place for hunting and adventure, surrounded by spectacular scenery. Crimean hunting tourism offers a unique opportunity not only to plunge into the world of hunting passions, but also to enjoy all the delights of the peninsula. The relevance of studying the development of a tourist and recreational hunting tourism project is due to the actively developing market for the provision of services in the field of hunting in our country. But the hunting resources of the Crimean forests are not limitless. The possibility of replacing real hunting tourism with virtual tourism with the help of modern IT technologies (VR, AR) is the goal of our research. Thanks to this approach, a potential hunter can feel like he is in a real wild environment, but at the same time know that his life is not in serious danger. In addition, the important task of preserving endangered animal species in the wild is being solved.

Consideration is given to three different analytical methods for the computation of upper bounds for the rate of convergence to the limiting regime of one specific class of (in)homogeneous continuous-time Markov chains. This class is particularly well suited to describe evolutions of the total number of customers in (in)homogeneous M/M/S queueing systems with possibly state-dependent arrival and service intensities, batch arrivals and services. One of the methods is based on the logarithmic norm of a linear operator function; the other two rely on Lyapunov functions and differential inequalities, respectively. Less restrictive conditions (compared with those known from the literature) under which the methods are applicable are being formulated. Two numerical examples are given. It is also shown that, for homogeneous birth-death Markov processes defined on a finite state space with all transition rates being positive, all methods yield the same sharp upper bound.

The article represents a comparison of rare species morphometric indicators and seed productivity of the genus Iris in the South Urals. It’s shown that I. scariosa, I. humilis and I. pseudacorus habitus deteriorate and seed productivity decreases under culture conditions, but I. pumila samples in culture outstrip plants in natural habitats. I. pumila is promising for cultivation in the South Ural region