Forest biomass is an essential indicator for monitoring the Earth's ecosystems and climate. It is a critical input to greenhouse gas accounting, estimation of carbon losses and forest degradation, assessment of renewable energy potential, and for developing climate change mitigation policies such as REDD+, among others. Wall-to-wall mapping of aboveground biomass (AGB) is now possible with satellite remote sensing (RS). However, RS methods require extant, up-to-date, reliable, representative and comparable in situ data for calibration and validation. Here, we present the Forest Observation System (FOS) initiative, an international cooperation to establish and maintain a global in situ forest biomass database. AGB and canopy height estimates with their associated uncertainties are derived at a 0.25 ha scale from field measurements made in permanent research plots across the world's forests. All plot estimates are geolocated and have a size that allows for direct comparison with many RS measurements. The FOS offers the potential to improve the accuracy of RS-based biomass products while developing new synergies between the RS and ground-based ecosystem research communities.
Dmitry Schepaschenko, Jérôme Chave, Oliver L. Phillips, Simon L. Lewis, Stuart J. Davies, Maxime Réjou‐Méchain, Plínio Sist, Klaus Scipal, Christoph Perger, Bruno Hérault, Nicolas Labrière, Florian Hofhansl, Kofi Affum‐Baffoe, А. А. Алейников, Alfonso Alonso, Christian Amani, Alejandro Araujo‐Murakami, John Armston, Luzmila Arroyo, Nataly Ascarrunz, C. P. de Azevedo, Timothy R. Baker, Radomir Bałazy, Caroline Bedeau, Nicholas Berry, Andrii Bilous, Svіtlana Bilous, Pulchérie Bissiengou, Lilian Blanc, К. С. Бобкова, Tatyana Braslavskaya, Roel Brienen, David F. R. P. Burslem, Richard Condit, Aida Cuni-Sanchez, Д. М. Данилина, Dennis Del Castillo Torres, Géraldine Derroire, Laurent Descroix, Eleneide Doff Sotta, Marcus Vinícius Neves d'Oliveira, Christopher Dresel, Terry Erwin, М. Д. Евдокименко, Jan Falck, Ted R. Feldpausch, Ernest G. Foli, Robin B. Foster, Steffen Fritz, Antonio García‐Abril, А. В. Горнов, М. В. Горнова, Ernest Gothard-Bassébé, Sylvie Gourlet‐Fleury, Marcelino Carneiro Guedes, Keith C. Hamer, Farida Herry Susanty, Níro Higuchi, Eurídice N. Honorio Coronado, Wannes Hubau, Stephen P. Hubbell, Ulrik Ilstedt, В. В. Иванов, Milton Kanashiro, Anders Karlsson, Viktor Karminov, Timothy J. Killeen, Jean-Claude Koffi Konan, Maria E. Konovalova, Florian Kraxner, Jan Krejza, Haruni Krisnawati, Leonid Krivobokov, M. A. Kuznetsov, Ivan Lakyda, Petro Lakyda, Juan Carlos Licona, Richard Lucas, Н. В. Лукина, Daniel Lussetti, Yadvinder Malhi, J. A. Manzanera, Beatriz Schwantes Marimon, Ben Hur Marimon, Rodolfo Vásquez, О. В. Мартыненко, Maksym Matsala, Raisa K. Matyashuk, Lucas Mazzei, Hervé Memiaghe, Casimiro Mendoza, Abel Monteagudo Mendoza, Olga V. Morozyuk, Liudmila Mukhortova, Samsudin Musa, Д. И. Назимова, Toshinori Okuda, Luís Cláudio de Oliveira, Petr Ontikov, А. Ф. Осипов
Maurizio Santoro, Oliver Cartus, Nuno Carvalhais, Danaë M. A. Rozendaal, Valerio Avitabilie, Arnan Araza, Sytze de Bruin, Martin Herold, S. Quegan, Pedro Rodríguez‐Veiga, Heiko Balzter, João M. B. Carreiras, Dmitry Schepaschenko, Mikhail Korets, Masanobu Shimada, Takuya Itoh, Álvaro Moreno‐Martínez, Jura Čavlović, Roberto Cazzolla Gatti, Polyanna da Conceição Bispo, Nasheta Dewnath, Nicolas Labrière, Jingjing Liang,
Nicolas Labrière, Stuart J. Davies, Mathias Disney, Laura Duncanson, Martin Herold, Simon L. Lewis, Oliver L. Phillips, S. Quegan, Sassan Saatchi, Dmitry Schepaschenko, Klaus Scipal, Plínio Sist, Jérôme Chave
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