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Article

Coupled Biospheric Synchrony of the Coastal Temperate Ecosystem in Northern Patagonia: A Remote Sensing Analysis

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Centro de Investigación en Recursos Naturales y Sustentabilidad, Universidad Bernardo O’Higgins, 8370993 Santiago, Chile
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Departamento de Física, Facultad de Ciencias, Universidad del Bío-Bío, Casilla–5C, 4051381 Concepción, Chile
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iGLOBE, UMI CNRS 3157, University of Arizona, Tucson, AZ 85719, USA
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UMMISCO, UMI 209, Sorbonne Université-IRD, 75006 Paris, France
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IBENS, UMR CNRS 8197, Eco-Evolution Mathématique, Ecole Normale Supérieure, 75005 Paris, France
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Centro FONDAP de Investigación en Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL), 5090000 Valdivia, Chile
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Departamento de Obras Civiles, Universidad Técnica Federico Santa María, 2390123 Valparaíso, Chile
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Programa de Magíster en Estadística, Facultad de Matemáticas, Pontificia Universidad Católica de Chile, 8331150 Santiago, Chile
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Departamento de Ciencias, Facultad de Artes Liberales, Universidad Adolfo Ibáñez, 2562340 Viña del Mar, Chile
*
Author to whom correspondence should be addressed.
Remote Sens. 2019, 11(18), 2092; https://doi.org/10.3390/rs11182092
Received: 27 July 2019 / Revised: 28 August 2019 / Accepted: 4 September 2019 / Published: 7 September 2019
Over the last century, climate change has impacted the physiology, distribution, and phenology of marine and terrestrial primary producers worldwide. The study of these fluctuations has been hindered due to the complex response of plants to environmental forcing over large spatial and temporal scales. To bridge this gap, we investigated the synchrony in seasonal phenological activity between marine and terrestrial primary producers to environmental and climatic variability across northern Patagonia. We disentangled the effects on the biological activity of local processes using advanced time-frequency analysis and partial wavelet coherence on 15 years (2003–2017) of data from MODIS (Moderate Resolution Imaging Spectroradiometer) onboard the Terra and Aqua satellites and global climatic variability using large-scale climate indices. Our results show that periodic variations in both coastal ocean and land productivity are associated with sea surface temperature forcing over seasonal scales and with climatic forcing over multi-annual (2–4 years) modes. These complex relationships indicate that large-scale climatic processes primarily modulate the synchronous phenological seasonal activity across northern Patagonia, which makes these unique ecosystems highly exposed to future climatic change. View Full-Text
Keywords: MODIS imagery; phenological cycle; Patagonia; climatic variability; wavelet analysis MODIS imagery; phenological cycle; Patagonia; climatic variability; wavelet analysis
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MDPI and ACS Style

Lara, C.; Cazelles, B.; Saldías, G.S.; Flores, R.P.; Paredes, Á.L.; Broitman, B.R. Coupled Biospheric Synchrony of the Coastal Temperate Ecosystem in Northern Patagonia: A Remote Sensing Analysis. Remote Sens. 2019, 11, 2092. https://doi.org/10.3390/rs11182092

AMA Style

Lara C, Cazelles B, Saldías GS, Flores RP, Paredes ÁL, Broitman BR. Coupled Biospheric Synchrony of the Coastal Temperate Ecosystem in Northern Patagonia: A Remote Sensing Analysis. Remote Sensing. 2019; 11(18):2092. https://doi.org/10.3390/rs11182092

Chicago/Turabian Style

Lara, Carlos, Bernard Cazelles, Gonzalo S. Saldías, Raúl P. Flores, Álvaro L. Paredes, and Bernardo R. Broitman. 2019. "Coupled Biospheric Synchrony of the Coastal Temperate Ecosystem in Northern Patagonia: A Remote Sensing Analysis" Remote Sensing 11, no. 18: 2092. https://doi.org/10.3390/rs11182092

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