Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia

Alexandra Rouillard; Paul Greenwood; Kliti Grice; Grzegorz Skrzypek; Shwan Dogramaci; Chris Turney; Pauline Grierson

doi:10.1016/j.palaeo.2016.07.023

Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia

Alexandra Rouillard, Paul Greenwood, Kliti Grice, Grzegorz Skrzypek, Shwan Dogramaci, Chris Turney, Pauline Grierson

Oceans Graduate School

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7 Citations (Scopus)

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Abstract

© 2016 Elsevier B.V.Detection of source diagnostic molecular fossils (biomarkers) within sediments can provide valuable insights into the vegetation and climates of past environments. However, hot and arid regions offer particularly challenging interpretive frameworks for reconstructions because baseline data are scarce, organic matter is generally very low and in the inland tropics in particular, sediments are also often subject to flooding and drought. Here, we investigated whether biomarkers and compound-specific δ13C values could be extracted from a late Holocene sediment record from the Fortescue Marsh (Pilbara, northwest Australia) to allow interpretation of past catchment vegetation and hydroclimate. The low total carbon (TC) content (

Original language	English
Pages (from-to)	495-507
Journal	Palaeogeography, Palaeoclimatology, Palaeoecology
Volume	459
DOIs	https://doi.org/10.1016/j.palaeo.2016.07.023
Publication status	Published - Oct 2016

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10.1016/j.palaeo.2016.07.023

Rouillard et al 2016, Interpreting vegetation changeAccepted author manuscript, 893 KBLicence: CC BY-NC-ND

2 Finished

Climate Related Regime Shifts in Inland Semi Arid Ecosystems Through Ecohydrological Proxies
Grierson, P., Skrzypek, G., Turney, C., Greenwood, P., Cook, C. & Dogramaci, S.
Australian Research Council, Pilbara Iron Pty Ltd, University of New South Wales
1/01/12 → 31/12/15
Project: Research
New Perspectives on Paleoclimate Records & Hydrological Regimes in Arid Zones of Australia
Skrzypek, G.
Australian Research Council
1/01/11 → 15/06/16
Project: Research

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Rouillard, A., Greenwood, P., Grice, K., Skrzypek, G., Dogramaci, S., Turney, C., & Grierson, P. (2016). Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia. Palaeogeography, Palaeoclimatology, Palaeoecology, 459, 495-507. https://doi.org/10.1016/j.palaeo.2016.07.023

Rouillard, Alexandra ; Greenwood, Paul ; Grice, Kliti ; Skrzypek, Grzegorz ; Dogramaci, Shwan ; Turney, Chris ; Grierson, Pauline. / Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia. In: Palaeogeography, Palaeoclimatology, Palaeoecology. 2016 ; Vol. 459. pp. 495-507.

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abstract = "{\textcopyright} 2016 Elsevier B.V.Detection of source diagnostic molecular fossils (biomarkers) within sediments can provide valuable insights into the vegetation and climates of past environments. However, hot and arid regions offer particularly challenging interpretive frameworks for reconstructions because baseline data are scarce, organic matter is generally very low and in the inland tropics in particular, sediments are also often subject to flooding and drought. Here, we investigated whether biomarkers and compound-specific δ13C values could be extracted from a late Holocene sediment record from the Fortescue Marsh (Pilbara, northwest Australia) to allow interpretation of past catchment vegetation and hydroclimate. The low total carbon (TC) content (",

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Rouillard, A, Greenwood, P, Grice, K, Skrzypek, G, Dogramaci, S, Turney, C & Grierson, P 2016, 'Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia', Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 459, pp. 495-507. https://doi.org/10.1016/j.palaeo.2016.07.023

Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia. / Rouillard, Alexandra; Greenwood, Paul; Grice, Kliti; Skrzypek, Grzegorz; Dogramaci, Shwan; Turney, Chris; Grierson, Pauline.

In: Palaeogeography, Palaeoclimatology, Palaeoecology, Vol. 459, 10.2016, p. 495-507.

Research output: Contribution to journal › Article › peer-review

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Rouillard A, Greenwood P, Grice K, Skrzypek G, Dogramaci S, Turney C et al. Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia. Palaeogeography, Palaeoclimatology, Palaeoecology. 2016 Oct;459:495-507. https://doi.org/10.1016/j.palaeo.2016.07.023

Interpreting vegetation change in tropical arid ecosystems from sediment molecular fossils and their stable isotope compositions: A baseline study from the Pilbara region of northwest Australia

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Projects

Climate Related Regime Shifts in Inland Semi Arid Ecosystems Through Ecohydrological Proxies

New Perspectives on Paleoclimate Records & Hydrological Regimes in Arid Zones of Australia

Cite this