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Título: | Hydrological influence on the evolution of a subtropical mangrove ecosystem during the late Holocene from Babitonga Bay, Brazil |
Autor: | Azevedo, Allana Queiroz de; Jiménez-Espejo, Francisco J.; França, M. C.; García-Alix, Antonio CSIC ORCID; Silva, Fernando A. Borges da; Pessenda, L.C.R.; Cohen, Marcelo C. L.; Fontes, Neuza A.; Pinheiro, V.C; Macario, Kita; Melo, João C.F.; Piccolo, Marisa de C.; Bendassolli, J.A. | Palabras clave: | Intertropical Convergence Zone Mangrove Pollen grain Precipitation South America |
Fecha de publicación: | 15-may-2021 | Editor: | Elsevier BV | Citación: | Palaeogeography, Palaeoclimatology, Palaeoecology 574 (2021) | Resumen: | Mangroves are key ecosystems which respond to global changes in tropical and subtropical regions worldwide. We describe late Holocene mangroves that established close to the southernmost limit (28°S) for this type of ecosystem in South America. Our findings are based on a C dated core obtained from Babitonga Bay, Santa Catarina State, Brazil (26°12′S, 48°33′W). Analysis of palynology, sedimentary facies, isotopic and elemental data shows that mangrove establishment took place ~500 yrs. B.C.E., following an increase in humidity, and expanded further during the Roman Warm Period and at the end of Dark Age Cold Period. Mangrove and precipitation proxies records appear to be sensitive to rainfall patterns imposed both by the expansion/retraction of the Intertropical Convergence Zone and also the interaction with the South Atlantic Subtropical Anticyclone which affects coastal region due to sea surface temperature variations. | Versión del editor: | http://dx.doi.org/10.1016/j.palaeo.2021.110463 | URI: | http://hdl.handle.net/10261/274599 | DOI: | 10.1016/j.palaeo.2021.110463 | Identificadores: | doi: 10.1016/j.palaeo.2021.110463 issn: 0031-0182 |
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