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In today's world, the preservation of natural ecosystems becomes an increasingly urgent task, requiring innovative approaches and technologies. This article examines the use of biotechnology in the conservation and protection of natural ecosystems. Various innovative approaches and technologies aimed at improving ecological sustainability and preserving biodiversity are discussed. Aspects such as the use of genetic engineering for the restoration of threatened species, bioremediation of polluted ecosystems, and the application of biological methods for pest control and soil protection are considered. This article provides an overview of modern advancements in biotechnology and their potential application for the preservation of natural ecosystems, as well as discusses the challenges and prospects for further development in this direction.

The article presents a comparative analysis of the influence of stratification methods on germination of sea buckthorn seeds (Hippophae rhamnoides L.) in autumn and spring sowing. In the fall sowing with natural stratification under snow, sprouts of H. rhamnoides seeds were more friendly, and the percentage of germination was higher than in the spring sowing with artificial stratification. At autumn sowing of seeds in H. rhamnoides seedlings, formation of many short roots was observed, which predicts more active development of the root system. The number of nodules on the roots of H. rhamnoides plants is formed depending on varietal characteristics and does not depend on the term and method of sowing. Lomonosovskaya, Rossiyanka, Studencheskaya varieties proved to be the most strongly growing in two variants of the experiment at fall sowing, and Trofimovskaya at spring sowing.