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Debate about the nature of climate and the magnitude of ecological change across Australia during the last glacial maximum (LGM; 26.5–19 ka) persists despite considerable research into the late Pleistocene. This is partly due to a lack of detailed paleoenvironmental records and reliable chronological frameworks. Geochemical and geochronological analyses of a 60 ka sedimentary record from Brown Lake, subtropical Queensland, are presented and considered in the context of climate-controlled environmental change. Optically stimulated luminescence dating of dune crests adjacent to prominent wetlands across North Stradbroke Island (Minjerribah) returned a mean age of 119.9 ± 10.6 ka; indicating relative dune stability soon after formation in Marine Isotope Stage 5. Synthesis of wetland sediment geochemistry across the island was used to identify dust accumulation and applied as an aridification proxy over the last glacial-interglacial cycle. A positive trend of dust deposition from ca. 50 ka was found with highest influx occurring leading into the LGM. Complexities of comparing sedimentary records and the need for robust age models are highlighted with local variation influencing the accumulation of exogenic material. An inter-site comparison suggests enhanced moisture stress regionally during the last glaciation and throughout the LGM, returning to a more positive moisture balance ca. 8 ka.
There has been a dramatic increase in the numbers of community psychiatic nurses (CPNs) in the last decade; in the period 1980–1985 the number grew from 1667 to 2758, an overall increase of 65%. Traditionally, CPNs were based within psychiatric institutions. However, in the period 1980–1985 there was growth from 8% to 16.2% in the population of CPNs based in health care centres or General Practitioner (GP) surgeries. Some of the functions of CPNs is also changing, developing away from involvement with chronic psychiatric patients towards patients with minor disorders. CPNs have also argued that work in the community and in GP surgeries is synonymous with primary prevention.
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