Mangrove pollen of Indonesia and its suitability as a sea-level indicator

Engelhart, Simon E.; Horton, Benjamin P.; Roberts, David H.; Bryant, Charlotte; Corbett, D. Reide

doi:10.1016/j.margeo.2007.02.020

Cited by 55 publications

(33 citation statements)

References 101 publications

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“…This is also the case in many other studies of Holocene mangrove pollen from the Indo west-Pacific region (Grindrod and Rhodes, 1984;Woodroffe et al, 1985;Ellison, 1989;Engelhart et al, 2007).…”

Section: Datingsupporting

confidence: 75%

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Radiocarbon dating of mangrove sediments to constrain Holocene relative sea-level change on Zanzibar in the southwest Indian Ocean

et al. 2015

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Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. We cannot determine whether there was a RSL highstand above present on Zanzibar during the mid 2 to lateHolocene. The RSL reconstruction agrees broadly with changes predicted by the ICE-5G geophysical model, which includes 4 m of ice equivalent sea-level rise between 7000 and 4000 cal.yr BP. Our new dating approach has the potential to provide improved chronologies with which to interpret sea level data from this and other mangrove environments.

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Section: Datingsupporting

confidence: 75%

“…Their underlying sediments have the potential to provide important information on past vegetation change (Woodroffe, 1990;Blasco et al, 1996;Wooller et al, 2007) and, by inference changes in RSL (e.g. Ellison, 1989;Ellison, 2005;Horton et al, 2005;Engelhart et al, 2007;Woodroffe, 2009). …”

Section: Mangroves and Relative Sea-level Changementioning

confidence: 99%

Radiocarbon dating of mangrove sediments to constrain Holocene relative sea-level change on Zanzibar in the southwest Indian Ocean

et al. 2015

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“…This uncertainty is larger than we had hoped 7 to achieve, but reflects the non-preservation of alternative microfossil proxies (e.g. diatoms or foraminifera Engelhart et al 2007). In our study we did not investigate pollen distributions because of the small lateral extent of the present day mangroves.…”

Section: Rsl Reconstructionmentioning

confidence: 80%

New constraints on late Holocene eustatic sea-level changes from Mahé, Seychelles

Woodroffe

Long

Milne

et al. 2015

Quaternary Science Reviews

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Citation for published item:oodro'eD F eF nd vongD eF tF nd wilneD qF eF nd fryntD gF vF nd homsD eF @PHISA 9xew onstrints on lte roloene eustti seElevel hnges from wh¡ eD eyhellesF9D uternry siene reviewsFD IIS F ppF IEITF Further information on publisher's website: httpXGGdxFdoiForgGIHFIHITGjFqusirevFPHISFHPFHII Publisher's copyright statement: NOTICE: this is the author's version of a work that was accepted for publication in Quaternary Science Reviews. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reected in this document. Changes may have been made to this work since it was submitted for publication. A denitive version was subsequently published in Quaternary Science Reviews, 115, 1 May 2015, 10.1016/j.quascirev.2015.02.011. Additional information:Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. AbstractThis study provides new estimates of globally integrated ice sheet melt during the late Holocene (since 4 ka BP) from Seychelles in the western Indian Ocean, a tectonically stable, far field location where the necessary Glacial-Isostatic Adjustment (GIA) correction is small and is relatively insensitive to predictions using different Earth viscosity profiles. We compare sea-level data from Seychelles to estimates of eustasy from two GIA models, ICE-5G and EUST3, which represent end-members in the quantity of global melt during the late Holocene. We use data from a range of coastal environments including fringing reef, present day beaches, fossil plateau and mangrove deposits on the largest island of the Seychelles archipelago, Mahé to reconstruct relative sea-level changes. Our data suggest that extensive coastal deposits of carbonate-rich sands that fringe the west coast formed in the last 2 ka and the horizontal nature of their surface topography suggests RSL stability during this period. Mangrove sediments preserved behind these deposits and in river mouths date to c. 2-1.5 ka and indicate that RSL was between -2 m and present during this interval. Correcting the reconstructed sea level data using a suite of optimal GIA models based on the two ice models mentioned above and a large number (c. 350) of Earth viscosity models gives a result that is consistent with the sedimentological constraints. When uncertainties in both model results and data are considered, it is possible to rule out eustatic sea levels below c. 2 m and more than a few decimetres above present during the past two millennia. This uncert...

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“…El incremento de la biomasa del manglar en la laguna Navío entre 1795 y 1814 A.D, se evidencia en el incremento del Co, la disminución de CaCO 3, y los valores de la razón C/N (>10), propios de materia orgánica terrestre. A partir de 1814 A.D., los altos porcentajes de Rhizophora (70%) registran manglar plenamente establecido tal como lo señalan estudios que relacionan la vegetación en pie con la lluvia de polen (Engelhart et al 2007, Urrego et al 2009). En 1835 la disminución repentina de Co, no asociada con una disminución en Ci, podría indicar un pulso de materiales terríge-nos.…”

Section: Discussionunclassified

“…Las reconstrucciones paleoecológicas en el Caribe y en gran parte del cinturón tropical y subtropical han permitido establecer los cambios de los manglares y su concordancia con los cambios ambientales, especialmente los cambios en el nivel relativo del mar a diferentes escalas temporales, por medio del análisis de polen en columnas de sedimentos (Rull 1998, Nyberg et al 2001, Berger et al 2006, Carvalho et al 2006, Engelhart et al 2007, Ferreira et al 2007, Ellison 2008. Las investigaciones en manglares han establecido que desde el Holoceno medio al tardío los niveles del mar se incrementaron gradualmente y los manglares permanecieron en muchas áreas, en donde se logró mantener la elevación del sustrato por el aporte de sedimentos desde las áreas continentales y de detritos orgánicos para contrarrestar este efecto (Parkinson et al1994, Ellison 2008.…”

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Dinámica del manglar en el complejo lagunar de Cispatá(Caribe colombiano) en los últimos 900 años

Castaño¹,

Urrego²,

Bernal³

2009

RBT

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Mangrove dynamics in the Cispata lagoon system (Colombian Caribbean) during last 900 years. The lagoon complex of Cispatá (old Sinú river delta) located at the Northwestern coast of the Colombian Caribbean, encloses one of the biggest mangrove areas in this region. This area has changed during the last 330 years because of several environmental and climatic causes, mainly changes in the position of the delta (Sinú River), which is the main freshwater source in this area, and sea level rise. We hypothesized that the climatic and geomorphologic dynamics has caused changes in the extension and composition of mangrove vegetation, especially during last 150 years. The dynamics of mangroves during the last 900 years was reconstructed based on the changes in the stratigraphy, pollen record, calcite concentrations (CaCO 3 ) and C/N ratio, along two sediment cores from La Flotante and Navio lagoons, located in Cispatá complex. The age model was built based on lineal interpolation of 210 Pb ages and changes in granulometry. Establishment and expansion of mangrove forests during the last 900 years were related to fluviomarine dynamics in the area and the lagoon formation. During the period encompassed between 1064 and 1762 A.D., the Mestizos spit was formed when marine conditions predominated in the surroundings of La Flotante Lagoon. At the site of Navío, a river dominated lagoon, terrigenous conditions dominated since 1830. Although the colonization of herbaceous pioneer vegetation started between 1142 and 1331 A.D., mangrove colonization only took place since 1717 A.D. Mangrove colonization was a result of the delta progradation. in 1849 A.D. the Sinú river delta migrated to the Cispatá bay. The eustatic sea level rise, the increase in river discharges and sedimentation rates produced the establishment of mangrove forests dominated by Rhizophora since 1849. Since 1900 a marine intrusion was recorded in both lagoons. in 1938, the migration of the delta toward its actual location in Tinajones gave place to the formation of the present lagoon system and to the expansion of mangrove forests, which reflects the balance between the high alluvial sediment input and the current sea level rise as has been recorded in similar ecosystems. Rev. Biol. Trop. 58 (4): 1347-1366. Epub 2010 December 01.

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Mangrove pollen of Indonesia and its suitability as a sea-level indicator

Cited by 55 publications

References 101 publications

Radiocarbon dating of mangrove sediments to constrain Holocene relative sea-level change on Zanzibar in the southwest Indian Ocean

Radiocarbon dating of mangrove sediments to constrain Holocene relative sea-level change on Zanzibar in the southwest Indian Ocean

New constraints on late Holocene eustatic sea-level changes from Mahé, Seychelles

Dinámica del manglar en el complejo lagunar de Cispatá(Caribe colombiano) en los últimos 900 años

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