{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T19:30:46Z","timestamp":1762543846976,"version":"build-2065373602"},"reference-count":70,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2023,7,16]],"date-time":"2023-07-16T00:00:00Z","timestamp":1689465600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"St. Petersburg State University","award":["95413735"],"award-info":[{"award-number":["95413735"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Gold mining generates major environmental impacts like landscape degradation, accumulation of waste rock dumps, and water contamination by suspended solids. Russia ranks third in the world in gold production, but the impact of gold mining has not been previously estimated for its vast northeastern part. This study provides a detailed overview of land-cover changes associated with gold mining in the Magadan region (northeast Russia) in the 21st century, where alluvial gold production has increased by a third in the last 20 years. A long-term series of Landsat and Sentinel-2 images obtained in July and August are used to compile two datasets of mining-impacted areas with totally removed vegetation for 2000\u20132002 and 2022. We calculated the NDVI difference and then discriminated mining-related vegetation losses from other bare areas, using additional data like the classification of landforms based on the digital surface model and the data on mining allotments. The total area of gold-mining sites was estimated as 41,206 ha in 2000\u20132002 and 72,602 ha in 2022, with an increase of 26,031 ha over the past 4\u20136 years. Moreover, this is a lower-boundary estimate, without taking into account man-made reservoirs and historical mines recovered by vegetation. The spatial distribution of mining sites has not changed significantly over the past two decades and has a maximum in the western part of the region. We found that the floodplains of the Berelekh and Debin Rivers (large tributaries of the Kolyma River) are most heavily impacted by gold mining with a removed vegetation canopy occupying 16.0% and 11.2% of their area. Along with the land degradation assessment, we found that 19,900 ha of historical gold-mining sites in the Berelekh River basin are recovered by vegetation, which is comparable in size to the areas impacted by mining over the past 20 years.<\/jats:p>","DOI":"10.3390\/rs15143564","type":"journal-article","created":{"date-parts":[[2023,7,17]],"date-time":"2023-07-17T00:56:47Z","timestamp":1689555407000},"page":"3564","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Satellite-Based Mapping of Gold-Mining-Related Land-Cover Changes in the Magadan Region, Northeast Russia"],"prefix":"10.3390","volume":"15","author":[{"given":"Andrey","family":"Shikhov","sequence":"first","affiliation":[{"name":"Earth Science Institute, St. Petersburg State University, 199034 St. Petersburg, Russia"},{"name":"Faculty of Geography, Perm State University, 614990 Perm, Russia"}]},{"given":"Polina","family":"Ilyushina","sequence":"additional","affiliation":[{"name":"Earth Science Institute, St. Petersburg State University, 199034 St. Petersburg, Russia"},{"name":"Faculty of Geography, M.V. Lomonosov Moscow State University, 119991 Moscow, Russia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2532-4306","authenticated-orcid":false,"given":"Olga","family":"Makarieva","sequence":"additional","affiliation":[{"name":"Earth Science Institute, St. Petersburg State University, 199034 St. Petersburg, Russia"},{"name":"Department of Monitoring and Forecasting Climate Change and the Environment, North-Eastern State University, 685000 Magadan, Russia"}]},{"given":"Anastasiia","family":"Zemlianskova","sequence":"additional","affiliation":[{"name":"Earth Science Institute, St. Petersburg State University, 199034 St. Petersburg, Russia"},{"name":"Department of Monitoring and Forecasting Climate Change and the Environment, North-Eastern State University, 685000 Magadan, Russia"}]},{"given":"Maria","family":"Mozgina","sequence":"additional","affiliation":[{"name":"Faculty of Geography, Perm State University, 614990 Perm, Russia"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,16]]},"reference":[{"key":"ref_1","first-page":"4","article-title":"Land transformation by humans: A review","volume":"22","author":"Hooke","year":"2012","journal-title":"Geol. 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