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Articles 1 - 24 of 24
Full-Text Articles in Life Sciences
Averting Uncertainty: A Practical Guide To Physical Activity Research In Australian Schools, Jerome N. Rachele, Thomas F. Cuddihy, Tracy L. Washington, Steven M. Mcphail
Averting Uncertainty: A Practical Guide To Physical Activity Research In Australian Schools, Jerome N. Rachele, Thomas F. Cuddihy, Tracy L. Washington, Steven M. Mcphail
Australian Journal of Teacher Education
Preventative health has become central to contemporary health care, identifying youth physical activity as a key factor in determining health and functioning. Schools offer a unique research setting due to distinctive methodological circumstances. However, school-based researchers face several obstacles in their endeavour to complete successful research investigations; often confronted with complex research designs and methodological procedures that are not easily amenable to school contexts. The purpose of this paper is to provide a practical guide for teachers (both teacher educators and teaching practitioners) seeking to conduct physical activity-based research in Australian school settings, as well as discuss research practices. The …
Persons As Plants: Ecopsychology And The Return To The Dream Of Nature, Monica Gagliano
Persons As Plants: Ecopsychology And The Return To The Dream Of Nature, Monica Gagliano
Landscapes: the Journal of the International Centre for Landscape and Language
Abstract. In this article, I examine human-plant perceptions and interactions in terms of developing a new perspective on the perception and the actions of people towards plants. By combining my scientific understanding of the biological world and my own experiences working with plant shamans, storytellers and mystics from around the world, I engage with the idea that the hierarchical structure by which Western science defines the variety of life forms as ‘primitive’ or ‘more evolved’ is at the root of the current environmental crisis and I argue that the solution to it rests in a change of this very perspective.
A New Species Of Neocauculus (Acari: Prostigmata: Caeculidae) From Barrow Island, Western Australia, With A Checklist Of World Cauculidae, Christopher Taylor, Nihara Gunawardene, Adrianne C. Kinnear
A New Species Of Neocauculus (Acari: Prostigmata: Caeculidae) From Barrow Island, Western Australia, With A Checklist Of World Cauculidae, Christopher Taylor, Nihara Gunawardene, Adrianne C. Kinnear
Research outputs 2013
Neocaeculus imperfectus new species is described from material collected on Barrow Island, Western Australia. Keys to genera and Australasian species of Caeculidae are provided, and the relationship between the genera Neocaeculus and Microcaeculus is discussed. A checklist of species for Caeculidae is provided.
Floracultures: Conserving Perth's Botanical Heritage Through A Digital Repository, John C. Ryan
Floracultures: Conserving Perth's Botanical Heritage Through A Digital Repository, John C. Ryan
Research outputs 2013
FloraCultures is a 2013 pilot project in development with Kings Park and Botanic Garden in Perth, Western Australia, and funded by Edith Cowan University’s Early Career Researcher grant scheme. The project aims to develop a model for documenting the plant-based cultural heritage of 30–50 indigenous species occurring in the Kings Park bushland. The FloraCultures initiative integrates archival and digital design techniques, creating a unique web portal of potential interest to a range of users -- from first-time tourists and amateur naturalists to heritage consultants and evironmental conservationists . The initiative reflects the belief that research into environmental heritage (defined broadly …
Coastal Bacterioplankton Community Dynamics In Response To A Natural Disturbance, Sara K. Yeo, Megan J. Huggett, Alexander Eiler, Michael Rappe
Coastal Bacterioplankton Community Dynamics In Response To A Natural Disturbance, Sara K. Yeo, Megan J. Huggett, Alexander Eiler, Michael Rappe
Research outputs 2013
In order to characterize how disturbances to microbial communities are propagated over temporal and spatial scales in aquatic environments, the dynamics of bacterial assemblages throughout a subtropical coastal embayment were investigated via SSU rRNA gene analyses over an 8-month period, which encompassed a large storm event. During non-perturbed conditions, sampling sites clustered into three groups based on their microbial community composition: an offshore oceanic group, a freshwater group, and a distinct and persistent coastal group. Significant differences in measured environmental parameters or in the bacterial community due to the storm event were found only within the coastal cluster of sampling …
Smaller, Faster Stomata: Scaling Of Stomatal Size, Rate Of Response, And Stomatal Conductance, Paul Drake, Raymond H. Froend, Peter Franks
Smaller, Faster Stomata: Scaling Of Stomatal Size, Rate Of Response, And Stomatal Conductance, Paul Drake, Raymond H. Froend, Peter Franks
Research outputs 2013
Maximum and minimum stomatal conductance, as well as stomatal size and rate of response, are known to vary widely across plant species, but the functional relationship between these static and dynamic stomatal properties is unknown. The objective of this study was to test three hypotheses: (i) operating stomatal conductance under standard conditions (gop) correlates with minimum stomatal conductance prior to morning light [gmin(dawn)]; (ii) stomatal size (S) is negatively correlated with gop and the maximum rate of stomatal opening in response to light, (dg/dt)max; and (iii) gop correlates negatively with instantaneous water-use efficiency (WUE) despite positive correlations with maximum rate …
Meta-Analysis Reveals Complex Marine Biological Responses To The Interactive Effects Of Ocean Acidification And Warming, Ben P. Harvey, Dylan Gwynn-Jones, Philippa J. Moore
Meta-Analysis Reveals Complex Marine Biological Responses To The Interactive Effects Of Ocean Acidification And Warming, Ben P. Harvey, Dylan Gwynn-Jones, Philippa J. Moore
Research outputs 2013
Ocean acidification and warming are considered two of the greatest threats to marine biodiversity, yet the combined effect of these stressors on marine organisms remains largely unclear. Using a meta-analytical approach, we assessed the biological responses of marine organisms to the effects of ocean acidification and warming in isolation and combination. As expected biological responses varied across taxonomic groups, life-history stages, and trophic levels, but importantly, combining stressors generally exhibited a stronger biological (either positive or negative) effect. Using a subset of orthogonal studies, we show that four of five of the biological responses measured (calcification, photosynthesis, reproduction, and survival, …
Delivering Genetic Education And Genetic Counseling For Rare Diseases In Rural Brazil, A.X. Acosta, K Abe-Sandes, R Giugliani, Alan H. Bittles
Delivering Genetic Education And Genetic Counseling For Rare Diseases In Rural Brazil, A.X. Acosta, K Abe-Sandes, R Giugliani, Alan H. Bittles
Research outputs 2013
Brazil is the largest country in Latin America, with an ethnically diverse, Portuguese-speaking and predominantly Roman Catholic population of some 194 million. Universal health care is provided under the Federal Unified Health System (Sistema Único de Saúde) but, as in many other middle and low income countries, access to medical genetics services is limited in rural and remote regions of the country. Since there is no formally recognized Genetic Counseling profession, genetic counseling is provided by physicians, trained either in medical genetics or a related clinical discipline. A comprehensive medical genetics program has been established in Monte Santo, an inland …
Release Of Dissolved Organic Carbon From Seagrass Wrack And Its Implications For Trophic Connectivity, Paul S. Lavery, Kathryn M. Mcmahon, Julia Weyers, Mary C. Boyce, Carolyn Elizabeth Oldham
Release Of Dissolved Organic Carbon From Seagrass Wrack And Its Implications For Trophic Connectivity, Paul S. Lavery, Kathryn M. Mcmahon, Julia Weyers, Mary C. Boyce, Carolyn Elizabeth Oldham
Research outputs 2013
ABSTRACT: The export of old leaves and stems (wrack) from seagrass meadows provides a mechanism for trophic connectivity among coastal ecosystems. As little of this wrack is consumed by mesograzers, leached dissolved organic carbon (DOC) may determine the importance of wrack as a trophic subsidy. However, few studies have examined the effect of seagrass type or age on the release of DOC or its bioavailability. We examined the amount and composition of DOC released from different wrack: Posidonia sinuosa, Amphibolis antarctica and the alga Laurencia sp. We then examined the effect of age on DOC leaching from P. sinuosa wrack. …
Threats And Knowledge Gaps For Ecosystem Services Provided By Kelp Forests: A Northeast Atlantic Perspective, Dan A. Smale, Michael T. Burrows, Philippa J. Moore, Nessa O'Connor, Stephen J. Hawkins
Threats And Knowledge Gaps For Ecosystem Services Provided By Kelp Forests: A Northeast Atlantic Perspective, Dan A. Smale, Michael T. Burrows, Philippa J. Moore, Nessa O'Connor, Stephen J. Hawkins
Research outputs 2013
Kelp forests along temperate and polar coastlines represent some of most diverse and productive habitats on the Earth. Here, we synthesize information from >60 years of research on the structure and functioning of kelp forest habitats in European waters, with particular emphasis on the coasts of UK and Ireland, which represents an important biogeographic transition zone that is subjected to multiple threats and stressors. We collated existing data on kelp distribution and abundance and reanalyzed these data to describe the structure of kelp forests along a spatial gradient spanning more than 10° of latitude. We then examined ecological goods and …
Pine As Fast Food: Foraging Ecology Of An Endangered Cockatoo In A Forestry Landscape, William Stock, Hugh Finn, Jackson Parker, Ken Dods
Pine As Fast Food: Foraging Ecology Of An Endangered Cockatoo In A Forestry Landscape, William Stock, Hugh Finn, Jackson Parker, Ken Dods
Research outputs 2013
Pine plantations near Perth, Western Australia have provided an important food source for endangered Carnaby’s Cockatoos (Calyptorhynchus latirostris) since the 1940s. Plans to harvest these plantations without re-planting will remove this food source by 2031 or earlier. To assess the impact of pine removal, we studied the ecological association between Carnaby’s Cockatoos and pine using behavioural, nutritional, and phenological data. Pine plantations provided high densities of seed (158 025 seeds ha21) over a large area (c. 15 000 ha). Carnaby’s Cockatoos fed throughout these plantations and removed almost the entire annual crop of pine cones. Peak cockatoo abundance coincided with …
Variability In The Carbon Storage Of Seagrass Habitats And Its Implications For Global Estimates Of Blue Carbon Ecosystem Service, Paul Lavery, Miguel-Angel Mateo, Oscar Serrano, Mohammad Rozaimi
Variability In The Carbon Storage Of Seagrass Habitats And Its Implications For Global Estimates Of Blue Carbon Ecosystem Service, Paul Lavery, Miguel-Angel Mateo, Oscar Serrano, Mohammad Rozaimi
Research outputs 2013
The recent focus on carbon trading has intensified interest in ‘Blue Carbon’–carbon sequestered by coastal vegetated ecosystems, particularly seagrasses. Most information on seagrass carbon storage is derived from studies of a single species, Posidonia oceanica, from the Mediterranean Sea. We surveyed 17 Australian seagrass habitats to assess the variability in their sedimentary organic carbon (Corg) stocks. The habitats encompassed 10 species, in mono-specific or mixed meadows, depositional to exposed habitats and temperate to tropical habitats. There was an 18-fold difference in the Corg stock (1.09– 20.14 mg Corg cm23 for a temperate Posidonia sinuosa and a temperate, estuarine P. australis …
An Independent Audit Of The Australian Food Industry's Voluntary Front-Of-Pack Nutrition Labelling Scheme For Energy-Dense Nutrition-Poor Foods, Owen B. Carter, Brennen W. Mills, Tina Phan, Elanie Lloyd
An Independent Audit Of The Australian Food Industry's Voluntary Front-Of-Pack Nutrition Labelling Scheme For Energy-Dense Nutrition-Poor Foods, Owen B. Carter, Brennen W. Mills, Tina Phan, Elanie Lloyd
Research outputs 2013
Background/Objective: Since 2006, the Australian food industry has promoted its front-of-pack (FOP) food labelling system-the Daily Intake Guide (DIG)-as a success story of industry self-regulation. With over 4000 products already voluntary featuring the DIG, the industry argues that government regulation of FOP nutrition labelling is simply unnecessary. However, no independent audit of the industry's self-regulation has ever been undertaken and we present the first such Australian data. Subjects/Methods: Energy-dense nutrient-poor (EDNP) snacks were audited at nine Australian supermarkets, including biscuits, candy, ice creams, chocolates, crisps, sports drinks, energy drinks, flavoured milks, sweetened juices and soft drinks. In these categories nutrition …
Self-Efficacy And Nutrition Knowledge Of Parents In Western Australia, Karen Lombardi
Self-Efficacy And Nutrition Knowledge Of Parents In Western Australia, Karen Lombardi
Theses : Honours
Background: Poor dietary choices and increasingly sedentary lifestyles mean childhood obesity is an increasing problem. Parents have the capacity to significantly affect the food choice of children; therefore by improving their self-efficacy, their nutrition knowledge, attitudes and behaviour, and by providing access to sound nutritional information, the health of children may be improved.
Purpose: This research sought to gather preliminary information required to inform the development of nutrition education materials for parents, which will parallel those currently under development for teaching children in schools as part of the Australian curriculum. Research has demonstrated that while educating children about healthy eating …
Herbivory By Parma Mccullochi (Pomacentridae) : Its Role As An Ecosystem Engineer In Temperate Algal-Dominated Reefs, Frederico Vitelli
Herbivory By Parma Mccullochi (Pomacentridae) : Its Role As An Ecosystem Engineer In Temperate Algal-Dominated Reefs, Frederico Vitelli
Theses: Doctorates and Masters
Pomacentridae is one of the most representative families of herbivorous fishes inhabiting both tropical and temperate reefs, yet the vast majority of studies examining feeding within this family have been undertaken in tropical rather than temperate regions. Despite the high abundances of the pomacentrid Parma mccullochi in temperate waters of Western Australia, and their likely importance in removing algae from reefs in the region, there is a lack of information on their diet and their impact on the reef algal community. This study aims to determine the role of Parma mccullochi as an ecosystem engineer on temperate algal-dominated reefs in …
Understanding And Disrupting Institutional Settings : Using Networks Of Conversations To Re-Imagine Future Farming Lives, Robert Campbell
Understanding And Disrupting Institutional Settings : Using Networks Of Conversations To Re-Imagine Future Farming Lives, Robert Campbell
Theses: Doctorates and Masters
Farmers in Australia and elsewhere face the challenge of remaining profitable whilst dealing with adverse structural arrangements and public expectations to better manage environmental degradation. This thesis draws on arguments that dominant paradigms in agricultural science and environmental management have often been ineffective in addressing these apparently competing demands and appear poorly suited to ‘messy’ situations characterized by uncertainty and complexity, and in which diverse stakeholders are motivated by varying goals and values. Engaging with such situations requires a philosophy and methodology that accepts a multiplicity of perspectives and which seeks to learn about and reflect upon novel ways of …
Applying The Principles Of Spatial Modelling To The Management Of Biodiversity In The Fragmented Landscapes Of South-Western Australia, Shaun Molloy
Theses: Doctorates and Masters
Biodiversity conservation throughout the world is challenged by the impacts of a changing climate on fragmented landscapes. To mitigate these threats, conservation managers require models which can demonstrate the consequences of both negative impacts and management actions. This need can be addressed through spatial modelling applications. Unfortunately, throughout much of the world, spatial modelling is forgone, being seen as requiring skills and resources beyond the means of many conservation planners and managers. This thesis seeks to address this dilemma by delivering criteria for a successful modelling application and by providing case studies which demonstrate how appropriate modelling can be undertaken …
Sources And Supply Of Kelp Detritus : Quantifying Mechanisms Of Production, Thibaut De Bettignies
Sources And Supply Of Kelp Detritus : Quantifying Mechanisms Of Production, Thibaut De Bettignies
Theses: Doctorates and Masters
In temperate waters, rocky reefs dominated by extremely productive kelp beds export considerable primary production. Despite the extensive body of work on kelp detritus as a trophic subsidy, many questions remain about the production of this detritus. The aim of this thesis was to determine the rate and mechanisms of kelp detritus production, for Ecklonia radiata, the dominant kelp species in temperate Australia. Most of the work was conducted in Marmion Lagoon located 20 km North of Perth, south-western Western Australia, a region strongly influenced by oceanic swell and winter storms. The study comprised of four major components: the impact …
Food Resource Availability For Carnaby's Cockatoo Calyptorhynchus Latirostris On The Swan Coast Plain, Teagan Johnston
Food Resource Availability For Carnaby's Cockatoo Calyptorhynchus Latirostris On The Swan Coast Plain, Teagan Johnston
Theses: Doctorates and Masters
To achieve a balance between sustainable development and conservation of threatened species, management depends on understanding the predicted response and interaction of that species with their environment in order to develop appropriate mitigating solutions. The Carnaby’s cockatoo Calyptorhynchus latirostris is declining across much of its range due to the detrimental effect of habitat degradation and loss. Since the decline of food resource availability in non-breeding areas is believed to be contributing to the reduction in the number of Carnaby’s cockatoos knowledge of the birds’ foraging ecology and the influence of external factors on food resource availability is essential for effective …
Verticordia Micropropagation Through Direct Ex Vitro Rooting, Belinda Delaney
Verticordia Micropropagation Through Direct Ex Vitro Rooting, Belinda Delaney
Theses: Doctorates and Masters
The objective of this study was to improve the existing shoot multiplication protocol for Verticordia grandis (McComb, Arthur & Newll, 1986; Newell, Growns & McComb, 2005) and to investigate and establish reliable root induction and acclimatisation protocols to enhance survival of micropropagated plantlets. It was envisaged that these protocols would be successful in micropropagation, growth and survival of different V. grandis clones and possibly applicable to other Verticordia species.
The elongation of in vitro Verticordia shoots on multiplication media was improved by reducing the concentration of BAP from 1μM to 0.25 μM, which resulted in a more uniform shoot length …
The Biology And Ecology Of Epinephilidae Speciea And Their Implications To Fisheries Management, Jason R. How
The Biology And Ecology Of Epinephilidae Speciea And Their Implications To Fisheries Management, Jason R. How
Theses: Doctorates and Masters
This thesis examines the biological and ecological aspects of members of the globally exploited Epinephilidae with reference to fisheries management and in particular the use of closures. The leopard coralgrouper Plectropomus leopardus is a common reef fish throughout the Indo-Pacific region and a major target of both commercial and recreational fisheries. There has been limited research on this species in the eastern Indian Ocean, where there are only two populations. An examination of the species found a number of significant biological differences to their eastern Australian con-specifics. Most noticeable was the strong size-related cue over their protogynous sex change. The …
A Study Of The Spatial Dynamics Of Some Introduced Avian Species In The Southwest Region Of Western Australia, Desiree L. Moon
A Study Of The Spatial Dynamics Of Some Introduced Avian Species In The Southwest Region Of Western Australia, Desiree L. Moon
Theses: Doctorates and Masters
The Southwest region of Western Australia is a recognised ‘biodiversity hotspot’, as it possesses high levels of biodiversity and endemism; it also holds a number of species threatened by habitat loss. The arrival of Europeans in the region wrought major changes on the natural landscape. Extensive tracts of bushland were cleared for housing, infrastructure, forestry, farming, and mining. Another challenge to regional biodiversity was the spread of exotic plants and animals (including birds); the latter provide the focus for the present study. The research examines four bird species that colonised the Southwest region following European settlement: Australian White Ibis (Threskiornis …
Metapopulation Theory Explains Black-Stripe Minnow (Pisces: Galaxiidae, Galaxiella Nigrostriata) Distribution In Seasonal Wetlands In South-West Western Australia, David M. Galeotti
Metapopulation Theory Explains Black-Stripe Minnow (Pisces: Galaxiidae, Galaxiella Nigrostriata) Distribution In Seasonal Wetlands In South-West Western Australia, David M. Galeotti
Theses: Doctorates and Masters
The objective of this project was to determine if Galaxiella nigrostriata populations could belong to a metapopulation. Metapopulation theory describes how multiple populations with occasional connectivity are a ‘population of populations’. Some populations’ habitats have optimal conditions (source habitats), others experience regular extinctions (sink habitats). Connectivity allows repopulation of extinct or uninhabited habitats. Galaxiella nigrostriata occurred randomly in 11 seasonal wetlands in the Kemerton wetland complex in south-west Western Australia over a 16 year period. The wetlands did not appear to be connected.
Around 70% of wetlands on the Swan Coastal Plain in south-west WA have been filled or degraded …
Mining Climate Data For Shire Level Wheat Yield Predictions In Western Australia, Yunous Vagh
Mining Climate Data For Shire Level Wheat Yield Predictions In Western Australia, Yunous Vagh
Theses: Doctorates and Masters
Climate change and the reduction of available agricultural land are two of the most important factors that affect global food production especially in terms of wheat stores. An ever increasing world population places a huge demand on these resources. Consequently, there is a dire need to optimise food production.
Estimations of crop yield for the South West agricultural region of Western Australia have usually been based on statistical analyses by the Department of Agriculture and Food in Western Australia. Their estimations involve a system of crop planting recommendations and yield prediction tools based on crop variety trials. However, many crop …