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<doi_batch xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.crossref.org/schema/5.3.1" xmlns:jats="http://www.ncbi.nlm.nih.gov/JATS1" xmlns:fr="http://www.crossref.org/fundref.xsd" xmlns:ai="http://www.crossref.org/AccessIndicators.xsd" version="5.3.1"><head><doi_batch_id>NONE</doi_batch_id><timestamp>20260602005913171</timestamp><depositor><depositor_name>Immanuel Kant Baltic Federal University</depositor_name><email_address>no-reply@journals.kantiana.ru</email_address></depositor><registrant>Immanuel Kant Baltic Federal University</registrant></head><body><journal><journal_metadata><full_title>IKBFU's Vestnik. Series: Natural Sciences</full_title><issn media_type="print">2500-3208</issn></journal_metadata><journal_issue><publication_date media_type="print"><month>06</month><day>02</day><year>2026</year></publication_date><journal_volume><volume>1</volume></journal_volume><issue>1</issue></journal_issue><journal_article publication_type="full_text"><titles><title>Western border regions of Russia: delimitation, structure, typology</title></titles><contributors><person_name sequence="first" contributor_role="author"><given_name>A. G.</given_name><surname>Druzhinin</surname></person_name></contributors><jats:abstract><jats:p>This article is devoted to the western border regions of Russia, which play an important role in terms of history, geopolitics, geoeconomy, culture, and mind­set. Relying on the interpretations of ‘border’, ‘frontier’, and ‘border­lands’, which are traditional for Russian limnology, I outline the geo-concept of ‘wes­tern border regions of Russia’ and provide a rationale for its under­standing as a continuous-discrete, dynamic, multi-scale, transboundary socio-geogra­phi­cal phenomenon. I pay particular attention to the principles of, and approach­es to, the delimitation of western border regions. As a result, I classi­fy seventeen constituent entities of Russia as western border regions. Another focus is the structuring of border regions based on environmental, climatic, positional, polit­ical-territorial, resource and economic, settlement-related, and other factors. I provide a multi-criteria typology in view of the actual and po­tential effect of ge­opolitical and geoeconomic turbulence on regional socioeco­nomic systems.</jats:p></jats:abstract><publication_date media_type="print"><month>06</month><day>02</day><year>2026</year></publication_date><pages><first_page>1</first_page><last_page>1</last_page></pages></journal_article><journal_article publication_type="full_text"><titles><title>Methods of spatial scientometrics in the study of countries and region</title></titles><contributors><person_name sequence="first" contributor_role="author"><given_name>I. Yu.</given_name><surname>Peker</surname></person_name></contributors><jats:abstract><jats:p>The article focuses on the approaches that explain the essence of scien­to­metrics as a set of methods for studying science. The paper also discusses the use of scientometric instruments in the spatial analysis of the geography of knowledge. The countries of the Baltic region were taken as an example. 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