Palaeolimnology in eastern and southern Australian estuaries

Tibby, John; Taffs, Kathryn H

doi:10.1007/s10933-011-9567-0

Cited by 12 publications

(9 citation statements)

References 62 publications

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“…Diatoms are a diverse group of organisms that occur in a range of aquatic environments; including fresh, brackish and marine waters. Detailed investigation of diatom assemblages in freshwater and estuarine systems has shown that sensitivity to variations in water quality parameters such as pH, total phosphorus, temperature, salinity and water clarity are diverse and often species specific (Tibby and Reid, 2004;Grinham, 2011;Tibby and Taffs, 2011). This diversity and strong sensitivity to environmental fluctuations allows diatoms to be used to reconstruct climate-driven disturbances preserved in estuarine, coastal and shelf sediments (Owen et al, 1998;Zong et al, 2006;Taylor and McMinn, 2001).…”

Section: Fluvial-marine Sediments As Archives Of Climatementioning

confidence: 99%

A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics

Coates-Marnane

Olley

Tibby

et al. 2018

Palaeogeography, Palaeoclimatology, Palaeoecology

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Section: Fluvial-marine Sediments As Archives Of Climatementioning

confidence: 99%

A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics

Coates-Marnane

Olley

Tibby

et al. 2018

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…Ecological assemblages of diatoms, siliceous unicellular algae, are used to create quantitative and qualitative climatic and environmental reconstructions for lake and river systems across Australasia. Transfer functions built upon 5 modern calibration data sets have been established for numerous aquatic variables in both estuarine (Logan andTaffs, 2013, Tibby andTaffs, 2011) and lacustrine (Gell et al, 2005) settings. Variables include conductivity/salinity (Barr, 2010, Barr et al, 2014, Gell, 1997, Saunders, 2011, Saunders et al, 2008, Saunders et al, 2007, pH (Tibby et al, 2003), and nutrients (Logan andTaffs, 2013, Tibby, 2004).…”

Section: Diatomsmentioning

confidence: 99%

Low-resolution Australasian palaeoclimate records of the last 2000 years

Dixon¹,

Tyler²,

Lorrey³

et al. 2017

Preprint

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Abstract. Non-annually resolved palaeoclimate records in the Australasian region were compiled to facilitate investigations of decadal to centennial climate variability over the past 2000 years. A total of 661 lake/wetland, geomorphic, marine, and speleothem records were identified and then assessed against a set of a priori criteria based on temporal resolution, record length, dating methods, and confidence of the proxy-climate relationship over the Common Era. A high quality subset of 22 records across Australasia met the criteria and they are endorsed for subsequent analyses. New chronologies based on progressive Bayesian techniques were constructed for the high quality records to ensure a consistent approach to age modelling and quantification of age uncertainties. Chronological uncertainty was the primary reason why records did not meet the selection criteria. Despite present limitations, existing proxies and reconstruction techniques that successfully capture climate variability in the region show potential to address spatial gaps and expand the range of climate variables covering the last 2000 years from the Australasian region.

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“…However, palaeolimnology is, for the most part, only able to reconstruct elements of wetland structure, rather than function (Tibby & Taffs, 2011). Palaeolimnological studies can provide this information.…”

Section: Causes and Implications Of Blue Lake's Stabilitymentioning

confidence: 99%

“…Palaeolimnological studies can provide this information. However, palaeolimnology is, for the most part, only able to reconstruct elements of wetland structure, rather than function (Tibby & Taffs, 2011). Complementing such data with contemporary modelling and monitoring data facilitates more comprehensive assessment of aquatic ecosystems (Battarbee & Bennion, 2011).…”

Section: Causes and Implications Of Blue Lake's Stabilitymentioning

confidence: 99%

Combining monitoring, models and palaeolimnology to assess ecosystem response to environmental change at monthly to millennial timescales: the stability of Blue Lake, North Stradbroke Island, Australia

et al. 2013

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Summary Human‐induced environmental change threatens freshwater ecosystems, and knowing how these systems have responded to past variability can inform management decisions. Palaeoenvironmental reconstructions provide insight, although their low temporal resolution may mask short‐term responses. Hence, a combination of short‐term, high‐resolution contemporary data and long‐term, low‐resolution palaeoenvironmental data can offer greater understanding of system behaviour. We demonstrate this approach by examining the response of a lake on North Stradbroke Island, Australia, to environmental change, by investigating hydrological and water quality variation at different temporal scales. The data include daily lake discharge, monthly water quality, modelled annual lake discharge over a 117‐year period and comparisons of aerial photographs and lake bathymetry over the past 65 years. A palaeoenvironmental reconstruction of the last c. 7500 years used pollen, stable isotopes, macrofossils and diatoms to provide a long‐term perspective. Despite variability in regional climate over recent decades, the depth and water chemistry of Blue Lake displayed little variation. At millennial timescales, there is clear evidence of catchment change in response to a marked shift in climate around 4500 years ago. However, diatom analysis indicates that Blue Lake has exhibited exceptional stability and resistance to change, compared to other Australian Holocene lake records. This suggests that Blue Lake has been an important climate refuge for aquatic biota in the past and, with appropriate management, should continue in this capacity into the future. This study highlights the benefits of a combined, multi‐temporal approach to inform understanding of the structure and function of freshwater ecosystems and their responses to environmental change. Such scientific understanding of system requirements is critical to achieving sustainable management objectives.

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Palaeolimnology in eastern and southern Australian estuaries

Cited by 12 publications

References 62 publications

A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics

A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics

Low-resolution Australasian palaeoclimate records of the last 2000 years

Combining monitoring, models and palaeolimnology to assess ecosystem response to environmental change at monthly to millennial timescales: the stability of Blue Lake, North Stradbroke Island, Australia

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Palaeolimnology in eastern and southern Australian estuaries

Cited by 12 publications

References 62 publications

A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics

A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics

Low-resolution Australasian palaeoclimate records of the last 2000 years

Combining monitoring, models and palaeolimnology to assess ecosystem response to environmental change at monthly to millennial timescales: the stability of Blue Lake, North Stradbroke Island, Australia

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A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics

A 1500 year record of river discharge inferred from fluvial-marine sediments in the Australian subtropics