The palynology of holocene mangrove and saltmarsh sediments, particularly in Northern Australia

Grindrod, John

doi:10.1016/0034-6667(88)90088-7

Cited by 83 publications

(81 citation statements)

References 9 publications

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“…The mangroves studied in this research show similar zonations to those described by Grindrod ( 1985) and Grindrod ( 1988) in Northern Australia. Tides at all sites studied are semi-diurnal and micro-tidal with an average spring tidal range of 1.57m.…”

Section: Introductionsupporting

confidence: 88%

“…Kakenauwe is the only transect that contains a large number of the species Sonneratia, which is to be found at the front of the Rhizophora stand, in line with the zonations suggested by Blasco ( 1996) and Woodroffe (2000) and hence justifying its inclusion so that all the suggested dominant mangrove species are present in the regional dataset. Grindrod ( 1988) states that Northern Australia mangroves are dominated by Rhizophora, Ceriops and Bruguiera, in line with the major species present in the transects studied.…”

Section: Ceriops Lumnitzerasupporting

confidence: 62%

“…For example, at Mantigola, Sonneratia pollen was found in small numbers within the surface assemblages even though there was only one Sonneratia tree identified within lOOm of the transect, suggesting that pollen vectors within the mangroves diffuse the issue of spatial variability. However, Grindrod ( 1988) does state that Sonneratia pollen is overrepresented in mangrove sediments compared to its surface distribution and as such, spatial issues may cause problems with less prolific pollen producers. As with all flowering plants, seasonal effects may affect the relative abundances of surface pollen assemblages with Tomlinson (1979) suggesting that species in the family Rhizophoraceae have distinct flowering seasons in Queensland.…”

Section: Application Of the Pollen Transfer Functionmentioning

confidence: 99%

“…proportion of Rhizophora is indicative of a Rhizophora stand and Grindrod ( 1988) identifies over 90% Rhizophora as within the Rhizophora zone and 44-59% as Laulua shows considerable overlap of zones due to different species occupying the same elevations in the rear mangrove. The elevational overlap of zones seen at Laulua is not a phenomenon specific to Laulua.…”

Section: Indonesia and The West Pacific Are Similar In Terms Of Mangrmentioning

confidence: 99%

“…The strong outer exine of the major mangrove species should result in less taphonomic issues than affect foraminifera and diatoms: indeed palaeoenvironmental reconstructions utilising pollen have been produced from Australia (Grindrod 1985(Grindrod , 1988Kershaw et al 2002), Tonga (Ellison 1989), Borneo (Anshari et al 2001) and Irian Jaya (Ellison 2005). The use of mangrove pollen as a proxy is further enhanced by the coastline parallel species zonations demonstrated by mangroves (Grindrod 1985, Ellison 1989, Kamaludin 1993, Ellison 2005, which suggest that species zonation is controlled primarily be tidal inundation (and thus elevation), which is essential for a proxy of past sea-levels.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2007

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The 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-pro t purposes provided that:• a full bibliographic reference is made to the original source• a link is made to the metadata record in Durham E-Theses• 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. Mangrove Pollen of Indonesia and its Suitability as a Sea-Level IndicatorThe copyright of this thesis rests with the author or the university to which it was submitted. No quotation from it, or information derived from it may be published without the prior written consent of the author or university, and any information derived from it should be acknowledged. Simon Edward EngelhartThesis The copyright of this thesis rests with the author. No quotations from it should be published without his prior written consent and information derived from it should be acknowledged.11 AcknowledgemeBlts I would like to thank all those people who have helped in the production of this thesis.

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Section: Introductionsupporting

confidence: 88%

Section: Ceriops Lumnitzerasupporting

confidence: 62%

Section: Application Of the Pollen Transfer Functionmentioning

confidence: 99%

Section: Indonesia and The West Pacific Are Similar In Terms Of Mangrmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

et al. 2007

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Late Quaternary cycles of mangrove development and decline on the north Australian continental shelf

1999

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Response of tide‐dominated mangrove shorelines in Northern Australia to anticipated sea‐level rise

Woodroffe

1995

Earth Surf Processes Landf

116

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The exact response of mangrove shorelines to anticipated sea-level rise will depend upon the balance between sedimentation and sea-level change. Within the Top End of the Northern Territory of Australia there are extensive, relatively unmodified, tide-dominated mangrove forests, where tidal processes redistribute sediment. Harbours, such as Darwin Harbour, and tidal rivers, such as the South Alligator River with its associated coastal and estuarine plains, represent opposite extremes in terms of Holocene sedimentary infill, and will respond differently to sea-level rise. In Darwin Harbour, mangrove assemblages can be recognized in geomorphologically defined habitats. Similar topography within and between creeks implies morphodynamic equilibrium with tidal processes. Tidal reworking of sediment may maintain an equilibria1 profile under gradually rising sea level, with resuspension of lower intertidal and subtidal muds and their redeposition within upper intertidal mangrove habitats. In contrast, the plains along the coast and tidal rivers draining into van Diemen Gulf developed during the post-glacial marine transgression, and since sea level stabilized, around 6000 years ago, coastal plains have prograded. These broad plains are presently not extensively influenced by salt water, but are often at elevations close to, or even below, modern high-tide levels. They may, therefore, revert to saline conditions particularly rapidly if the sea rises. The pattern of change may not be directly analogous to marine incursion experienced in the early Holocene, because broad plains have been able to prograde during the last 6000 years of relatively stable sea level.

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The palynology of holocene mangrove and saltmarsh sediments, particularly in Northern Australia

Cited by 83 publications

References 9 publications

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

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

Late Quaternary cycles of mangrove development and decline on the north Australian continental shelf

Response of tide‐dominated mangrove shorelines in Northern Australia to anticipated sea‐level rise

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