The Ordovician system in the Xainza region, north Tibet

Lithostratigraphy, biostratigraphy of the Ordovician Xainza area, northern division and correlation divided of approximates of the early as of Ordovician of Tetragraptus (Paratetragraptus)-Didymograptus (Corymbograptus) deflexus combination of Middle Ordovician Michelinoceras elongatum- combination with Sinoceras chinese and the Late Ordovician Michelinoceras huangnigang-Columenoceras priscum combination band. Early Ordovician strata author from 2000 to 2001 making Xainza County Sheet 1:250000 regional geological survey newly discovered, is the oldest strata of reliable fossils based in northern Tibet. Especially Tetragraptus (Paratetragraptus) approximatus discovery, not only to expand the distribution of it in our geographic area Early Ordovician strata the similar stratigraphic correlation international biological basis.

The paper deals with the classification and correlation of lithostratigraphy and biostratigraphy of the Ordovician System in the Xainza region, North Tibet. Based on fossils, the Ordovician System is divided into several biozones as follows: Tetragraptus (Paratetragraptus) approximatus Didymograptus (Corymbograptus) deflexus graptolite assemblage of Early Ordovician, The sediments of Early Ordovician is discovered recently by authors during 2000~2001 when making the geological surveying 1:250000 scale of Xainza county, Which has been the oldest stratum based on fossils up to now in northern Tibet. What is more, the discovery of Tetragraptus (Paratetragraptus) approximatus enlarges its geographical distribution in our nation as well as provides biology evidence to international correlation of the Ordovician in Xainza county.

More than mere numbers: the impact of lethal control on the social stability of a top-order predator

Population control of socially complex species may have profound ecological implications that remain largely invisible if only their abundance is considered. Here we discuss the effects of control on a socially complex top-order predator, the dingo (Canis lupus dingo). Since European occupation of Australia, dingoes have been controlled over much of the continent. Our aim was to investigate the effects of control on their abundance and social stability. We hypothesized that dingo abundance and social stability are not linearly related, and proposed a theoretical model in which dingo populations may fluctuate between three main states: (A) below carrying capacity and socially fractured, (B) above carrying capacity and socially fractured, or (C) at carrying capacity and socially stable. We predicted that lethal control would drive dingoes into the unstable states A or B, and that relaxation of control would allow recovery towards C. We tested our predictions by surveying relative abundance (track density) and indicators of social stability (scent-marking and howling) at seven sites in the arid zone subject to differing degrees of control. We also monitored changes in dingo abundance and social stability following relaxation and intensification of control. Sites where dingoes had been controlled within the previous two years were characterized by low scent-marking activity, but abundance was similar at sites with and without control. Signs of social stability steadily increased the longer an area was allowed to recover from control, but change in abundance did not follow a consistent path. Comparison of abundance and stability among all sites and years demonstrated that control severely fractures social groups, but that the effect of control on abundance was neither consistent nor predictable. Management decisions involving large social predators must therefore consider social stability to ensure their conservation and ecological functioning.

Spatial ecology of sooty owls in south-eastern Australian coastal forests : implications for forest management and reserve design

We investigated the home-range size and habitat use of eight Sooty Owls (Tyto tenebricosa tenebricosa) in coastal forests in East Gippsland, Victoria, Australia, between November 2006 and January 2008. The size of home-ranges varied widely; based on 95% adaptive kernel estimates, the average size of home-ranges of males was 3025ha (±1194s.d., n=3), whereas that of females was 994ha (±654s.d., n=5). Sooty Owls utilised a broad range of ecological vegetation classes and topographical features for roosting and foraging at a greater scale than previously assumed. There was minimal selection for habitat types based on floristic composition, primarily only avoiding heathlands (for foraging and roosting) and selecting particular dense foliage (rainforest and riparian scrub) for foliage roosting. Two Owls maintained home-ranges close to logged areas, with logging regrowth (<45 years old) being strongly avoided by both individuals. We recommend that the size of individual reserves for Sooty Owls in commercial forests should be increased to more closely resemble the core spatial resource requirements needed by a pair. Reserves should be largest where they feed predominantly on hollow-dependent prey. Most importantly, rather than conservation measures just focussing on the spatial requirements of Sooty Owls, efforts should be directed towards retaining high densities of crucial resources, such as hollow-bearing trees and mammalian prey species throughout the landscape.

One step multifunctional micropatterning of surfaces using asymmetric glow discharge plasma polymerization

Micropatterning of surfaces with varying chemical, physical and topographical properties usually requires a number of fabrication steps. Herein, we describe a micropatterning technique based on plasma enhanced chemical vapour deposition (PECVD) that deposits both protein resistant and protein repellent surface chemistries in a single step. The resulting multifunctional, selective surface chemistries are capable of spatially controlled protein adhesion, geometric confinement of cells and the site specific confinement of enzyme mediated peptide self-assembly.

Self-assembled peptides : characterisation and in vivo response

The fabrication of tissue engineering scaffolds is a well-established field that has gained recent prominence for the in vivo repair of a variety of tissue types. Recently, increasing levels of sophistication have been engineered into adjuvant scaffolds facilitating the concomitant presentation of a variety of stimuli (both physical and biochemical) to create a range of favourable cellular microenvironments. It is here that self-assembling peptide scaffolds have shown considerable promise as functional biomaterials, as they are not only formed from peptides that are physiologically relevant, but through molecular recognition can offer synergy between the presentation of biochemical and physio-chemical cues. This is achieved through the utilisation of a unique, highly ordered, nano- to microscale 3-D morphology to deliver mechanical and topographical properties to improve, augment or replace physiological function. Here, we will review the structures and forces underpinning the formation of self-assembling scaffolds, and their application in vivo for a variety of tissue types.

The relevance and irrelevance of the brand for small and medium wine enterprises

Given the proliferation of wine brands, developing a brand without understanding its impact on wine choice is a risky business; particularly for SMEs with limited financial resources.

This paper fills an important gap in the wine marketing literature, particularly as it relates to SMEs in the sector, by investigating the effect of the brand on wine choice. Surveying a range of wine consumers, it was found that while the brand was relevant in wine choice the weighted importance of the brand elements changed across consumption situations. This novel finding should assist SMEs to grow their businesses beyond the traditional cellar door.

The experience of connectivity : results from a survey of Australian internet users

This article presents the findings from a survey of Australian Internet users (n = 1172), conducted in 2007, investigating their overall experience of connectivity at home. Experience of connectivity is defined to mean how people use the Internet to achieve general outcomes of value to them in their everyday lives, and includes both the range of outcomes and the significance of the Internet in achieving them. The survey, thus, reports on the experience of a single behaviour – ‘using the Internet’ – rather than, as common in other research, multiple specific behaviours conducted while online. The article analyses the data collected to draw conclusions that provide greater depth of understanding of connectivity understood as the phenomenon in, and of, itself. This article contributes important information about the experiences of Australian Internet users, about which there have been only a few and relatively superficial studies. It also provides an example of a new approach to surveying Internet users that can lead to more direct conclusions about the value and extent of their uses of connectivity in their lives.

Concurrent undergraduate study and industry employment - the Australian experience

Undergraduate education in Quantity Surveying (QS) and Construction Management (CM) in Australia has traditionally incorporated concurrent industry experience as an important requisite prior to graduation. This has been primarily driven by accrediting professional associations but most universities have also recognized the value of this cooperative approach to education with industry. However, in recent years many universities have become concerned about the amount of time that students are spending in industry employment to the point where, for some students, their employment takes precedence over their academic studies. Past research has shown that working long hours has a negative effect on the study patterns of undergraduate students. This paper presents the results of research undertaken to examine the amount of time that Quantity Surveying and Construction Management students actually spend engaged in paid work during semester time and the impact on their studies. The methodology for the research was based on two separate questionnaire surveys distributed to undergraduate Quantity Surveying and Construction Management students at 7 universities across Australia. The questionnaires focused on the nature and extent of their paid work while enrolled in full-time study. The results indicate that students in the early stages of their program tend to undertake casual work that is not related to their degree but move to construction industry employment in the later stages of their program. The research found that students were spending an average of 18 hours per week in industry employment with this average increasing to over 23 hours in their final year. A number of students were spending well over 30 hours per week in industry employment. The implications of the extent of this concurrent industry employment are discussed.

An assessment of empowerment through highly participatory asset-based community development in Myanmar

Asset-based community development (ABCD) is a highly participatory approach to development that seeks to empower communities to draw on tangible and social community assets to manage their own development. The strength of ABCD is its ability to facilitate people imagining their world differently, resulting in action to change their circumstances. Previous research has shown international non-government organisations have found highly participatory, community-led approaches to development to have been particularly effective forms of poverty mitigation and community empowerment within Myanmar, even before the current reforms, which is surprising given the restrictive socio-political context created by authoritarian rule by a regime with an international reputation for human rights violations. 

This paper documents ABCD programs within Myanmar, one of the poorest countries in Asia suffering major underdevelopment and ranking poorly across a wide range of socioeconomic indicators. It explores the operation, effectiveness and reasons behind the success of ABCD programs in this environment, and reflects on the role of outsiders in ABCD in the light of underlying theory and this contemporary experience. This research draws largely on recent field interviews and personal experience working in this sector within Myanmar, as well as surveying a number of evaluation reports which have been made publically available.

Study of radio frequency plasma treatment of PVDF film using Ar, O2 and Ar + O2 gases for improved polypyrrole adhesion

Improvement of the binding of polypyrrole with PVDF (polyvinylidene fluoride) thin film using low pressure plasma was studied. The effects of various plasma gases i.e., Ar, O2 and Ar + O2 gases on surface roughness, surface chemistry and hydrophilicity were noted. The topographical change of the PVDF film was observed by means of scanning electron microscopy and chemical changes by X-ray photoelectron spectroscopy, with adhesion of polypyrrole (PPy) by abrasion tests and sheet resistance measurements. Results showed that the increase in roughness and surface functionalization by oxygen functional groups contributed to improved adhesion and Ar + O2 plasma gave better adhesion.

Australian quantity surveyors utilize ICT and ERP system improving efficiency

Despite Information Communication Technology (ICT) can help to improve efficiency and Enterprise Resource Planning (ERP) system has been widely perceives as an efficient mean, diffusion rate is slow in construction industry and amongst quantity surveying profession. Today, quantity surveyor must frequently communicate with other stakeholder throughout the design and construct process and using information technology is a must. The more technologies evolve, the more quantity surveying with change and evolve to utilize these technologies. This paper, through literature review, firstly identifies perceived benefits of using ICT/ERP system, secondly concludes the critical success factors that may affect decision of adopting ICT/ERP tool in practice, and thirdly to suggest three effective evaluation tools before/after implementing ICT/ERP strategy. The ultimate goal is to advise how Australian quantity surveyors (QS) can utilize ICT and ERP system to improve efficiency.

Development in fragile states and situations: theory and critique

This chapter examines the evolution of ‘fragile’ and ‘failed’ state terminology noting the background to the ideas and examining the theorisation around the concepts, before surveying the literature on development in ‘fragile’ and ‘failed’ states in some depth. The OECD Principles for Good International Engagement in Fragile States and Situations are examined in particular, together with the follow-up OECD fragile state evaluations and related literature, as the primary and often normative guidance on development in ‘fragile’ or ‘failed’ states. A range of alternatives and critiques are explored. This chapter, therefore, sets the literature and theory in place as a backdrop for the diversity of case studies presented in Part II of this volume.

An accessible survey method: increasing the participation of people with a disability in large sample social research

The 1 in 4 Poll project seeks to increase understanding of the views and needs of people with a disability by developing an accessible survey method. It is being conducted by Deakin University in partnership with the Victorian disability service provider, Scope. To address this goal, the 1 in 4 Poll method has focused on three key strategies: an accessible Internet-based survey; use of an assisted and proxy report; and a ‘standard’ and Easy English version of the survey. A bespoke online survey design seeks to overcome the limitations in accessibility of available online survey tools. Positive evaluative comments, from respondents across a wide-range of disabilities, suggests that the combination of the three major strategies used in the 1 in 4 Poll has resulted in a valuable and accessible method of large scale surveying of people with a disability.