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A Review of Dendrochronology and Remote Sensing Integration for Forest Growth and Disturbance Monitoring

Florence Leduc,N. Coops,Alexandre Morin-Bernard,G. Moreau,Alexis Achim

Published 2025 in Current Forestry Reports

ABSTRACT

Understanding forest growth and its response to climate variability and disturbance is critical for monitoring carbon dynamics and managing forest ecosystems under global change. Tree-ring width (TRW) data from dendrochronology and vegetation indices (VIs) derived from remote sensing offer complementary perspectives on forest growth—one reflecting carbon accumulation in wood, the other photosynthetic activity by foliage and changes in canopy cover. Their complementary spatial and temporal scales also enable upscaling measurements through time and space. The review synthesizes 78 multidisciplinary studies that integrate these two disciplines to evaluate their combined potential in assessing forest growth. The review revealed growing interest in combining dendrochronology and remote sensing, with diverse applications and methodological approaches, which we have grouped in three dominant areas of research: (1) examining relationships between TRW, VIs, and climate; (2) assessing long-term growth and productivity trends; and (3) evaluating responses to disturbance and extreme climatic events. We showcase a subset of relevant studies and highlight some key results, with many reporting strong interannual TRW-VIs positive relationships during growing season months. Research on growth trends shows more mixed outcomes, as the growth recorded by TRW and VIs is often decoupled over longer timescales. In disturbance-related studies, TRW generally reflects stronger and more prolonged growth reductions than VIs, suggesting it is more sensitive to stress-induced source and sink limitations. Despite methodological advances, challenges remain, including scale mismatches between ground and satellite data, limited use of high-resolution imagery, and underrepresentation of ecological metadata. Integrating dendrochronology and remote sensing enhances the spatial and temporal scope of forest growth monitoring. In this review, we summarize interdisciplinary studies, examining their methodological approaches, including sampling strategies, growth proxies, and statistical analyses. We then outline persistent challenges, including spatial biases in tree-ring datasets, scale mismatches between ground plots and satellite data, and the physiological distinctions underlying foliage activity and radial growth. Ultimately, we identify key opportunities for further development in this interdisciplinary field, such as expanding ecological metadata collection, adopting higher resolution satellite imagery, and improving our understanding of the complex physiological processes underlying forest growth.

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