699 research outputs found

    Geographe Bay Catchment natural resource atlas

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    The Geographe Bay Catchment Atlas is one of a series of Natural Resource Atlases covering the agricultural region of Western Australia. The purpose of the Atlas is to provide data for people in local communities who manage or have an interest in natural resources. It is now realised that the various components of the land interact with each other and therefore need to be managed together. This Atlas is intended to present natural resource and land information in an accessible way to people of the area. It may act as a focus for catchment planning and provide a starting point to access other, more detailed information. In this way, it is hoped that this Atlas will contribute to long-term sustainability and the conservation of the unique natural resources of the Geographe Bay Catchment. The Geographe Bay Catchment is situated between Bunbury and Dunsborough and covers an area of about 2000 square kilometres. The catchment has a backdrop formed by the Darling Range, Whicher Range and Leeuwin-Naturaliste Ridge, overlooking the southern Swan Coastal Plain, wetlands, watercourses and the Bay. The Carbunup, Capel, Ludlow, Abba, Sabina, Vasse and Buayanuup Rivers drain the Geographe Bay Catchment. Within the Catchment approximately 63 per cent of the land is classed as rural land and about 30 per cent of land classed as Crown Land. The remainder comprises residential land and intensive agriculture (WRC 1977). Four Shires lie partly within the Geographe Bay Catchment. These are: Augusta-Margaret River, Busselton, Capel and Donnybrook-Balinup

    The World of Women Hunts Me

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    This dissertation is an attempt to further investigate Eudora Welty’s feminine discourse, a discourse which is in constant dialogue with other women writers and happens to intersect with many of the issues raised by contemporary feminist theorists. Accordingly, Chapter One is an introduction in which Welty is aptly situated in the female traditions of writing and is found to have touched upon many feminine issues raised by later feminist theorists. Also, in this chapter four paradigms are delineated. Therefore, the discussion in the ensuing chapters is based on the emergent paradigms. The first paradigm has to do with Welty’s feminine appropriation of ancient myths and fairy tales; accordingly, the discussion in the second chapter focuses on Welty’s appropriation of the myths and fairy tales in The Robber Bridegroom and The Golden Apples. In both texts, Welty’s heroines refuse to play the victim role inherent in masculine narrative. The second paradigm concerns Welty’s concept of women’s time; it is a concept which attaches women to monumental and cyclical temporality. Accordingly, Chapter Three focuses on Welty’s distortion of man’s time on two levels, the narrative and the historical in Delta Wedding

    Native Vegetation Handbook for the Shire of Wyalkatchem

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    This booklet provides land managers with information relating to the natural resources of the Shire of Wyalkatchem including the existing vegetation, drainage systems and soils. Some of the problems relating to the management of natural vegetation resources in the Shire of Wyalkatchem and possible solutions to these problems are also discussed. Provision of this information will contribute to the long term viability of the agricultural landscape and the conservation of native vegetation within the Shire

    Native Vegetation Handbook for the Shire of Trayning

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    This booklet provides land managers with information relating to the natural resources of the Shire of Trayning including the existing vegetation, drainage systems and soils. Some of the problems relating to the management of natural vegetation resources in the Shire of Trayning and possible solutions to these problems are also discussed. Provision of this information will contribute to the long term viability of the agricultural landscape and the conservation of native vegetation within the Shire

    Native Vegetation Handbook for the Shire of Kellerberrin

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    This booklet provides land managers with information relating to the natural resources of the Shire of Kellerberrin. This includes the existing vegetation, drainage systems and soils. Some of the problems relating to the management of natural vegetation resources in the Shire and possible solutions to these problems are discussed. By providing this information it is hoped this booklet will contribute to the long term viability of the agricultural landscape and the conservation of native vegetation within the Shire

    Measurement and clinic applications of homocysteine and methylated arginines

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    Homocysteine is an amino acid formed by the metabolism of methionine. Increased plasma homocysteine concentrations are associated with cardiovascular disease, and it has been suggested that homocysteine lowering therapy may reduce cardiovascular risk. Plasma homocysteine measurements are frequently requested by clinicians investigating patients with vascular disease. A mechanism for homocysteine causing vascular disease has not yet been proven, but one possibility is that an elevated plasma homocysteine concentration may lead to the accumulation of asymmetric dimethylarginine (ADMA), a naturally occurring amino acid that inhibits nitric oxide synthase, resulting in impaired nitric oxide production, and therefore vascular dysfuntion. The aim of this project was to develop analytical methods suitable for the measurement of homocysteine and related metabolites in a routine clinical laboratory, and two methods have been established; i) for homocysteine, cysteine and methionine and ii) for asymmetric dimethylarginine, symmetric dimethylarginine (SDMA, a sterioisomer of ADMA), monomethylarginine (MMA) and arginine. A novel feature of the method for ADMA is that the use of unique daughter ions allows the determination of both ADMA and SDMA without the need to separate the isomers chromatographically. In addition, the synthesis and application of isotopically labelled SDMA, for use as an internal standard, is described for the first time. When the methods were applied to the analysis of routine clinical samples no association was detected between plasma total homocysteine and plasma ADMA concentrations. Measurements were also performed on samples from patients enrolled in a clinical trial investigating the progression of vascular dysfuntion, as measured by carotid-femoral pulse wave velocity (CF-PWV), in chronic kidney disease. Again no association could be found between plasma total homocysteine and plasma ADMA concentrations. In addition plasma total homocysteine was not a determinant of CF-PWV. These findings do not support the hypothesis that hyperhomocysteinaemia causes vascular disease by increasing ADMA concentrations

    Combining internal- and external-training-load measures in professional rugby league

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    Purpose: This study investigated the effect of training mode on the relationships between measures of training load in professional rugby league players. Methods: Five measures of training load (internal: individualized training impulse, session rating of perceived exertion; external—body load, high-speed distance, total impacts) were collected from 17 professional male rugby league players over the course of two 12-week pre-season periods. Training was categorized by mode (small-sided games, conditioning, skills, speed, strongman, and wrestle) and subsequently subjected to a principal component analysis. Extraction criteria were set at an eigenvalue of greater than one. Modes that extracted more than one principal component were subjected to a varimax rotation. Results: Small-sided games and conditioning extracted one principal component, explaining 68% and 52% of the variance, respectively. Skills, wrestle, strongman, and speed extracted two principal components explaining 68%, 71%, 72%, and 67% of the variance respectively. Conclusions: In certain training modes the inclusion of both internal and external training load measures explained a greater proportion of the variance than any one individual measure. This would suggest that in those training modes where two principal components were identified, the use of only a single internal or external training load measure could potentially lead to an underestimation of the training dose. Consequently, a combination of internal and external load measures is required during certain training modes
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