Paul M. Donaldson

Research Complex at Harwell

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C Sharples

University of Tasmania

Thomas S.N. Oliver

UNSW Sydney

Michael Roach

University of Tasmania

Colin D. Woodroffe

University of Wollongong

Alba Esteban

Edith Cowan University

Catherine E. Lovelock

University of Queensland

Peter I. Macreadie

Deakin University

J.M. Martins

University of Évora

Mohammad Rozaimi

National University of Malaysia

Damien T. Maher

Southern Cross University

Cooperative Institutions

Edith Cowan University

University of Queensland

Consejo Superior de Investigaciones Científicas

Imperial College London

University of Adelaide

Commonwealth Scientific and Industrial Research Organisation

University of Tasmania

University of Technology Sydney

University of Western Australia

Bridge University

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The tidal characteristics and shallow-marine seagrass sedimentology of Robbins Passage and Boullanger bay, far northwest Tasmania

Paul M. Donaldson C Sharples RJ Anders

This natural resource management research project was initiated by the Cradle Coast NRM, in response to the knowledge gaps identified by the Blue Wren Group in understanding elements of Robbins Passage-Boullanger Bay (RP-BB) coastal processes. The purpose of this study was to: • Improve the understanding of RP-BB tides, based on observational data, and • Investigate the carbon sequestration potential and palaeo-environmental evolution of RP-BB shallow seagrass beds, based on a set of shallow marine sediment cores. The key findings of this report are: • RP-BB receives strongly semi-diurnal meso-tides which vary in their range and time of arrival • Predicted mean spring tide ranges and total tide ranges were found to be 2.80 m and 3.15 m at Howie Island, 2.20 m and 2.63 m at Kangaroo Island, and 2.01 m and 2.42 at Welcome Inlet • The National Tide Centre’s modelled tide range was found to underestimate the tide range for eastern Boullanger Bay by approximately 30% • Three unique sedimentary deposits (i.e. facies) were identified in the sediment cores, interpreted as a Late Pleistocene alluvial/lacustrine deposit (SF1), Mid-Holocene intertidal or shallow subtidal sand flats (SF2), and Mid-Late Holocene seagrass associated deposits (SF3 • Large carbon rich sediment deposits exist beneath the subtidal seagrass meadows at RP-BB • RP-BB Posidonia australis dominated subtidal seagrass meadows are highly effective at sequestering carbon.

Tidal range

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Citations (4)

Late Quaternary extraglacial cold-climate deposits in low and mid-altitude Tasmania and their climatic implications

Geomorphology (2012)

Peter D. McIntosh Rolan Eberhard Adrian Slee Patrick Moss David M. Price

Colluvium

Paleosol

Outcrop

Bedrock

10.1016/j.geomorph.2012.08.009

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Citations (28)

Reply to: Punctuated transgression (?): Comment on Oliver, T.S.N., Donaldson, P., Sharples, C., Roach, M., and Woodroffe, C.D. “Punctuated progradation of the Seven Mile Beach Holocene barrier system, southeastern Tasmania”

Marine Geology (2018)

Thomas S.N. Oliver Paul M. Donaldson Michael Roach Colin D. Woodroffe C Sharples

Progradation

Marine transgression

Chronology

10.1016/j.margeo.2018.09.005

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Citations (4)

New Multibeam Mapping of the Gulf of Maine

Andy Armstrong Larry A. Mayer James D. Case Luciano E. Fonseca Paul M. Donaldson

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Citations (1)

Punctuated progradation of the Seven Mile Beach Holocene barrier system, southeastern Tasmania

Marine Geology (2017)

Thomas S.N. Oliver Paul M. Donaldson C Sharples Michael Roach Colin D. Woodroffe

Progradation

Overwash

Foredune

Deglaciation

Thermoluminescence dating

Beach ridge

10.1016/j.margeo.2017.02.014

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Citations (36)

Embayment-scale coastal evolution and shoreline progradation in southeast Tasmania, Australia

Marine Geology (2021)

Thomas S.N. Oliver Paul M. Donaldson Toru Tamura

Progradation

Foredune

Beach morphodynamics

Beach ridge

Longshore drift

Overwash

Deglaciation

10.1016/j.margeo.2021.106725

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Citations (4)

A first pass coastal hazard assessment for Kingborough Local Government Area, Tasmania

C Sharples Paul M. Donaldson

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Citations (0)

Australian vegetated coastal ecosystems as global hotspots for climate change mitigation

Nature Communications (2019)

Óscar Serrano Catherine E. Lovelock Trisha B. Atwood Peter I. Macreadie Robert Canto

Abstract Policies aiming to preserve vegetated coastal ecosystems (VCE; tidal marshes, mangroves and seagrasses) to mitigate greenhouse gas emissions require national assessments of blue carbon resources. Here, we present organic carbon (C) storage in VCE across Australian climate regions and estimate potential annual CO 2 emission benefits of VCE conservation and restoration. Australia contributes 5–11% of the C stored in VCE globally (70–185 Tg C in aboveground biomass, and 1,055–1,540 Tg C in the upper 1 m of soils). Potential CO 2 emissions from current VCE losses are estimated at 2.1–3.1 Tg CO 2 -e yr -1 , increasing annual CO 2 emissions from land use change in Australia by 12–21%. This assessment, the most comprehensive for any nation to-date, demonstrates the potential of conservation and restoration of VCE to underpin national policy development for reducing greenhouse gas emissions.

Blue carbon

Salt marsh

10.1038/s41467-019-12176-8

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Citations (1,106)

Protein identification and quantification by two-dimensional infrared spectroscopy: Implications for an all-optical proteomic platform

Proceedings of the National Academy of Sciences (2008)

Frédéric Fournier Elizabeth M. Gardner Darek Kedra Paul M. Donaldson Rui Guo

Electron-vibration-vibration two-dimensional coherent spectroscopy, a variant of 2DIR, is shown to be a useful tool to differentiate a set of 10 proteins based on their amino acid content. Two-dimensional vibrational signatures of amino acid side chains are identified and the corresponding signal strengths used to quantify their levels by using a methyl vibrational feature as an internal reference. With the current apparatus, effective differentiation can be achieved in four to five minutes per protein, and our results suggest that this can be reduced to <1 min per protein by using the same technology. Finally, we show that absolute quantification of protein levels is relatively straightforward to achieve and discuss the potential of an all-optical high-throughput proteomic platform based on two-dimensional infrared spectroscopic measurements.

10.1073/pnas.0805127105

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Citations (52)