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| Format: | Artículo científico |
| Language: | en |
| Published: |
Marine pollution bulletin
2026
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/41887102/ |
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Table of Contents:
- Blue carbon inventories of Spain and Portugal for their inclusion in national climate mitigation strategies. Piñeiro-Juncal, Nerea Serrano, Oscar de Los Santos, Carmen B Marbà, Nuria Díaz-Almela, Elena Tuya, Fernando Mazarrasa, Inés Garmendia, Joxe Mikel Otero, Xosé Lois Inostroza, Karina Pagès, Jordi F Mendez-Martínez, Gonzalo Fernandez, Emilio Sousa, Ana I Camacho, Antonio Ballesteros, Enric Barañano, Carlota Belshe, Fay Bernabeu, Irene Brun, Fernando G Camacho-Santamans, Alba Delgado, Antonio Dahl, Martin Duarte, Carlos M Espino, Fernando Franco, Javier da Conceiçao Freitas, Maria Garcia-Orellana, Jordi Garrigos, Bernat Gomis, Enric Haroun, Ricardo Hernandez, Ignacio Juanes, José A Leiva-Dueñas, Carmen Lavery, Paul Lillebø, Ana I Lopes, Vera Majtenyi-Hill, Claudia Marco-Mendez, Candela Martins, Márcio Monnier, Briac Morant, Daniel Montero, Natalia Neto, João M Ondiviela, Barbara Peralta, Gloria Picazo, Antonio Reithmaier, Gloria Rochera, Carlos Román, Marta Santos, Isaac R Santos, Rui Serrano, Eduard Soler, Montserrat Yau, Yu Yau Weitzmann, Boris Zribi, Imen Mateo, Miguel Ángel Portugal Spain Climate Change Carbon Sequestration Environmental Monitoring Carbon Ecosystem Carbon Dioxide Soil The fast changes in climate are driving global efforts to reduce greenhouse emissions and offset those that cannot be avoided. Interest in vegetated coastal ecosystems, known as Blue Carbon Ecosystems (BCEs), has grown rapidly due to their potential contribution to global carbon sequestration. Spain and Portugal host two of the main BCEs types; seagrass meadows and tidal marshes. To date, no comprehensive national assessment of BCEs carbon stocks has been conducted for Spain and Portugal. We have assessed the magnitude of the carbon sink associated with them across the entire Iberian Peninsula and insular Spanish territories and the potential CO emission resulting from their degradation. The BCEs in the studied area are estimated to store 95 Tg CO-eq in the biomass and top meter of soil, equivalent to about 25% of the CO emissions of Spain and Portugal in 2022. The average rate of accumulation of organic carbon to the soil stock was estimated at 0.15 Tg CO-eq y, equivalent to 0.04% of the annual anthropogenic CO emissions of these two countries (in 2022). Additionally, the loss of BCEs in Spain and Portugal over the last century may have released 11-27 Tg CO-eq, whereas we predicted that 1.3-5.6 Tg CO-eq will be released over the next 30 years. Which underscores the urge to increase conservation and restoration efforts. This study provides the first comprehensive Spanish and Portuguese national blue carbon inventory for its inclusion in NDCs, providing baseline data for the implementation of blue carbon offsetting projects.