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Full-Text Articles in Life Sciences

Patterns And Rates Of Sedimentary Infill In The Minnamurra River Estuary, South-Eastern Australia, K Panayotou, Colin Woodroffe, Brian Jones, Bryan Chenhall, Errol Mclean, H Heijnis Jun 2013

Patterns And Rates Of Sedimentary Infill In The Minnamurra River Estuary, South-Eastern Australia, K Panayotou, Colin Woodroffe, Brian Jones, Bryan Chenhall, Errol Mclean, H Heijnis

B. G. Jones

This paper presents a revised process-based model that explores aspects of estuarine geomorphology and the rates and patterns of sedimentary infill based upon the Minnamurra River estuary, a mature barrier estuary in south-eastern Australia. The Minnamurra River is located on the south coast of New South Wales and is characterised by three main facies: a marine flood tide delta/barrier, a central lagoon/estuary and a fluvial delta. The sedimentary record in this system was examined in detail to quantify the rate of estuarine infill. This predominantly infilled mature barrier estuary is now largely dominated by river influence. In the early stages …


Alluvial Evidence For Major Climate And Flow Regime Changes During The Middle And Late Quaternary For Eastern Central Australia, Gerald C. Nanson, David M. Price, B. G. Jones, Jerry C. Maroulis, Maria Coleman, Hugo Bowman, Timothy J. Cohen, Tim Pietsch, Joshua R. Larsen Jun 2013

Alluvial Evidence For Major Climate And Flow Regime Changes During The Middle And Late Quaternary For Eastern Central Australia, Gerald C. Nanson, David M. Price, B. G. Jones, Jerry C. Maroulis, Maria Coleman, Hugo Bowman, Timothy J. Cohen, Tim Pietsch, Joshua R. Larsen

B. G. Jones

As a low-gradient arid region spanning the tropics to the temperate zone, the Lake Eyre basin has undergone gentle late Cenozoic crustal warping leading to substantial alluvial deposition, thereby forming repositories of evidence for palaeoclimatic and palaeohydrological changes from the Late Tertiary to the Holocene. Auger holes and bank exposures at five locations along the lower 500 km of Cooper Creek, a major contributor to Lake Eyre in the eastern part of the basin, yielded 85 luminescence dates (TL and OSL) that, combined wit a further 142 luminescence dates from northeastern Australia, have established a chronology of multiple episodes of …


Initial Speleothem Results From Western Flores And Eastern Java, Indonesia: Were Climate Changes From 47 To 5ka Responsible For The Extinction Of Homo Floresiensis?, Richard Roberts, Allan Chivas, T. Sutikna, Michael Morwood, J Zhao, Kira Westaway Mar 2013

Initial Speleothem Results From Western Flores And Eastern Java, Indonesia: Were Climate Changes From 47 To 5ka Responsible For The Extinction Of Homo Floresiensis?, Richard Roberts, Allan Chivas, T. Sutikna, Michael Morwood, J Zhao, Kira Westaway

Richard G Roberts

No abstract provided.


Predicting Avian Distributions To Evaluate Spatiotemporal Overlap With Locust Control Operations In Eastern Australia, Judit K. Szabo, Pamela J. Davy, Michael Hooper, Lee Astheimer Dec 2012

Predicting Avian Distributions To Evaluate Spatiotemporal Overlap With Locust Control Operations In Eastern Australia, Judit K. Szabo, Pamela J. Davy, Michael Hooper, Lee Astheimer

Dr Pamela Davy

Locusts and grasshoppers cause considerable economic damage to agriculture worldwide. The Australian Plague Locust Commission uses multiple pesticides to control locusts in eastern Australia. Avian exposure to agricultural pesticides is of conservation concern, especially in the case of rare and threatened species. The aim of this study was to evaluate the probability of pesticide exposure of native avian species during operational locust control based on knowledge of species occurrence in areas and times of application. Using presence-absence data provided by the Birds Australia Atlas for 1998 to 2002, we developed a series of generalized linear models to predict avian occurrences …


Performance Of Body Mass Index In Predicting Diabetes And Hypertension In The Eastern Province Of Saudi Arabia, Ali M. Almajwal, Nadira A. Al-Baghli, Marijka J. Batterham, Peter G. Williams, Khalid A. Al-Turki, Aqeel J. Al-Ghamdi Nov 2012

Performance Of Body Mass Index In Predicting Diabetes And Hypertension In The Eastern Province Of Saudi Arabia, Ali M. Almajwal, Nadira A. Al-Baghli, Marijka J. Batterham, Peter G. Williams, Khalid A. Al-Turki, Aqeel J. Al-Ghamdi

Dr Marijka Batterham

BACKGROUND AND OBJECTIVES: BMI is the most widely used measure to diagnose obesity but its accuracy and usefulness in Saudi subjects is unknown. This study aimed to assess the validity of standard BMI cut-point values in the Saudi population. SUBJECTS/ METHODS: 197,681 adults participated in a cross-sectional study to detect diabetes and hypertension in the Saudi Eastern province in 2004/5, with blood pressure, fasting blood sugar, height and weight measurements taken. Sensitivities, specificities, areas under the curves, predictive values, likelihood ratios, false positive, false negatives and total misclassification ratios were calculated for various BMI values determined from receiver operating characteristic …


Decolonising, Multiplicities And Mining In The Eastern Goldfields, Western Australia, Leah Gibbs Sep 2012

Decolonising, Multiplicities And Mining In The Eastern Goldfields, Western Australia, Leah Gibbs

Leah Maree Gibbs

In this 'postcolonial' era, peoples and places around the globe continue to face ongoing colonisation. Indigenous peoples in particular experience colonisation in numerous forms. Despite recent attempts to 'decolonise' indigenous spaces, hegemonic systems of production, governance and thinking often perpetuate colonial structures and relationships, resulting in further entrenched colonisation or 'deep colonising' (Rose, 1999). The interface between indigenous communities and the mining industry provides fertile ground for the tensions emerging between decolonising and deep colonising. Gold mining operations at Placer Dome's Granny Smith mine in the Eastern Goldfields of Western Australia present a valuable case study for examining this tension. …


Accordion Vs. Quantum Tectonics: Insights Into Continental Growth Processes From The Paleozoic Of Eastern Gondwanan, Jonathan C. Aitchison, Solomon Buckman Sep 2012

Accordion Vs. Quantum Tectonics: Insights Into Continental Growth Processes From The Paleozoic Of Eastern Gondwanan, Jonathan C. Aitchison, Solomon Buckman

Solomon Buckman Dr.

The Early Paleozoic Lachlan Fold Belt of eastern Australia is widely regarded as an ancient convergent plate margin beneath which paleo-Pacific (Panthalassic) oceanic lithosphere was continuously subducted. It is cited as the type example of a retreating accretionary orogeny. However, sandstone compositions, the sedimentological nature and timing of chert accumulation and overall stratigraphic architecture are not necessarily consistent with this model. We suggest an alternative explanation for growth of Gondwanan continental margin. Oceanic lithosphere outboard of the passive Gondwana continental margin was subducted beneath an extensive intra-oceanic island arc that now crops out as an allochthonous element (Macquarie arc) within …


Performance Of Body Mass Index In Predicting Diabetes And Hypertension In The Eastern Province Of Saudi Arabia, Ali M. Almajwal, Nadira A. Al-Baghli, Marijka J. Batterham, Peter G. Williams, Khalid A. Al-Turki, Aqeel J. Al-Ghamdi Nov 2010

Performance Of Body Mass Index In Predicting Diabetes And Hypertension In The Eastern Province Of Saudi Arabia, Ali M. Almajwal, Nadira A. Al-Baghli, Marijka J. Batterham, Peter G. Williams, Khalid A. Al-Turki, Aqeel J. Al-Ghamdi

Peter Williams

BACKGROUND AND OBJECTIVES: BMI is the most widely used measure to diagnose obesity but its accuracy and usefulness in Saudi subjects is unknown. This study aimed to assess the validity of standard BMI cut-point values in the Saudi population. SUBJECTS/ METHODS: 197,681 adults participated in a cross-sectional study to detect diabetes and hypertension in the Saudi Eastern province in 2004/5, with blood pressure, fasting blood sugar, height and weight measurements taken. Sensitivities, specificities, areas under the curves, predictive values, likelihood ratios, false positive, false negatives and total misclassification ratios were calculated for various BMI values determined from receiver operating characteristic …