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Remote SensingIndicators of SpongyMoth (Lymantriadispar L.) Damage toBirch Stands inWestern Siberia Kovalev AntonSoukhovolsky VladislavTarasova Olga2023 год

Remote Sensing Indicators of Spongy Moth (Lymantria dispar L.) Damage to Birch Stands in Western Siberia : научное издание
статья из журнала

Дополнительные ссылки: eLibrary
База данных: Каталог библиотеки СФУ
Библиографическое описание: Remote Sensing Indicators of Spongy Moth (Lymantria dispar L.) Damage to Birch Stands in Western Siberia : научное издание / A. A. Kovalev [et al.]. - Текст : непосредственный // Forests. - 2023. - Т. 14, № 12. - P. 2308. - ISSN 1999-4907, DOI 10.3390/f14122308.
Аннотация: <jats:p>The goal of this study is to detect indicators of damage to birch stands in western Siberia by spongy moth (Lymantria dispar L.) using remote sensing methods. The need for such indicators is due to the fact that the size of the study area is about 1 million square kilometers, and ground methods are too laborintensive. It is crucial for these indicators to differentiate the effects of insects from other destructive factors like fires and droughts. During the 2021–2022 fieldwork, we identified 18 areas for trial (intensive damage due to caterpillars) and control. For each area, we obtained seasonal time-series data of vegetation index NDVI mean values within its boundaries. We acquired the data from a Sentinel-2 satellite with a spatial resolution of 10 m. Relative reduction indices of NDVI during the season were introduced for pairs of damaged–control plots. We also considered the effect of foliage regeneration on damaged trees. The obtained indicators demonstrate increased analytical significance in identifying areas affected by pests compared to the simple reduction in vegetative indices.</jats:p>
Год издания: 2023
Авторы: Kovalev Anton , Soukhovolsky Vladislav , Tarasova Olga , Akhanaev Yuriy , Martemyanov Vyacheslav
Источник: Forests
Выпуск: Т. 14, № 12
Номера страниц: 2308
Держатель оригинала документа: Department of Ecology and Nature Management, Siberian Federal University, Krasnoyarsk 660041, Russia, Institute of Systematics and Ecology of Animals, Siberian Branch of Russian Academy of Sciences (SB RAS), Novosibirsk 630091, Russia, Krasnoyarsk Scientific Center, Siberian Branch of Russian Academy of Sciences (SB RAS), Krasnoyarsk 660036, Russia, V.N. Sukachev Institute of Forest, Siberian Branch of Russian Academy of Sciences (SB RAS), Krasnoyarsk 660036, Russia
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