Mates and majors: how the big fish survived

In October this year, the Queensland Government slashed funding to small-to-medium sized arts organisations. In part two of a three-part investigation, Ben Eltham asks why the smaller players were targeted, while the major institutions were protected.

Knowledge management in future factories

Technology in the manufacturing sector has seen rapid change, transforming from stand alone, manual processes to smart, integrated systems. We have witnessed the migration of relay-based systems to advance SCADA systems, manual pro-duction to fully automated, and hand written reports to interactive computer-based dashboards. We are now seeing the emergence of smart products manufactured in smart plants and the evolution of smart services in manufacturing. Future manu-facturing systems will be distinguished by intelligent machines, automation and human factors’ integration. This talk will focus on how knowledge can be embed-ded in processes and products through the use of simulation and modelling tools to streamline future smart production systems and improve product quality. The implications to future smart manufacturing enterprises are explored through a se-ries of case studies from aerospace, mining and small and medium manufacturing enterprises.

Factories of the future : a system of systems engineering perspective

Factories of the Future will be distinguished by intelligent machines, automation, human factors integration and knowledge management. Modelling and simulation is recognised as a key enabling technology essential to economic, social and environmental sustainability of future manufacturing systems. This talk will explore the history, recent achievements and directions in modelling and simulation for 21st century factories and supply chains. A systems science approach is employed, from stakeholder engagement through participative modelling to self-tuning and self-assembling simulations. Our contributions lower the cost of the application of modelling and simulation to manufacturing processes, enabling real time planning, dynamic risk analysis, dashboards and 3D visualisation. This realisation of the virtual factory integrates human factors and decisions into the core technology platform. The implications to future manufacturing enterprises are explored through a series of case studies from aerospace, mining and small and medium manufacturing enterprises.

Climate-driven impacts of prey abundance on the population structure of a tropical aquatic predator

In the present study we explore how annual variation in climate (late wet-season rainfall) affects population demography in a gape-limited obligate piscivorous predator, the Arafura filesnake Acrochordus arafurae in the Australian tropics. These aquatic snakes display extreme sexual dimorphism, with body sizes and relative head sizes of females much larger than those of males. Two consecutive years with low rainfall during the late wet season reduced the abundance of small but not large sized fish. Although snake residual body mass (RBM, calculated from a general linear regression of ln-transformed mass to ln-SVL) decreased after the first year with low prey availability, it was not until the second year that reduced prey abundance caused a dramatic decline in filesnake survival, and hence in population numbers. Thus, our results suggest that most snakes survived the first year of reduced prey abundance, but a successive year with low prey availability proved fatal for many animals. However, the effects of prey scarcity on RBM and survival fell disproportionately on some size classes of snakes. Medium-sized animals (large males and intermediate-sized females) were affected more dramatically than were small or large snakes. We attribute the higher survival of small snakes to their lower energy needs compared to medium-sized individuals, and the higher survival of large snakes to the continued abundance of large prey (mainly large catfish). Two successive years with low abundance of smaller sized prey thus massively modified the size-structure of the filesnake population, virtually eliminating large males and intermediate-sized females. Our field data provide a clear demonstration of the ways in which stochastic variation in climatic conditions can have dramatic effects on predator population demography, mediated via effects on prey availability.

Assessing the practice of project-based JV between local and international contractors in the UAE

This paper is about assessing the practice of Project-Based Joint Ventures formed between local and international contractors in the UAE construction industry. This common practice nowadays, provides the means for contractors to quickly add resources to enhance project acquisition. Studies indicate that JVs are among the tools that contractors will need to get together in the face of increasing market demands. Specifically, Project-Based JVs are often used in the UAE Construction industry with an exceptional growth in an attempt to diversify from Oil and Gas. The UAE is very business friendly which makes it attractive for such kind of alliance or partnership for local contractors to get the necessary experience and for international contractors to minimize the risks associated with entering new markets. In this context, studies that evaluate this alliance phenomenon in the UAE construction industry are limited. The few industry-related studies have primarily focused on large, international JVs; yet, many JVs are formed on small and medium-sized projects within the UAE. The paper aims to assess the current practices and understand the many factors involved with forming, managing, and controlling JV partnerships. The research methodology adopted a mix of quantitative and qualitative approaches. First, a closed question survey was disseminated to construction professionals in the UAE in light of the literature findings. Second, two case studies were demonstrated and analysed, then triangulated with the literature and survey findings to remove possible bias and improve the confidence in the collected data. The paper concluded that the JV in the UAE construction industry is mostly formed on project-basis rather than continuous collaboration. The management control mostly used in the UAE construction industry is shared management of activities in a venture with the operations shared between parents. The paper addressed major factors that lead to successful JV in the construction projects of the UAE which are namely trust, correct structure, communication, and partner’s commitment. Partners’ common objectives do not affect the JV success or failure. Willingness to adapt eliminates conflicts and enhances the JV success prospect.

Neuronal classification and distribution in the central nervous system of the female mud crab, Scylla olivacea

The mud crab, Scylla olivacea, is one of the most economically valuable marine species in Southeast Asian countries. However, commercial cultivation is disadvantaged by reduced reproductive capacity in captivity. Therefore, an understanding of the general and detailed anatomy of central nervous system (CNS) is required before investigating the distribution and functions of neurotransmitters, neurohormones, and other biomolecules, involved with reproduction. We found that the anatomical structure of the brain is similar to other crabs. However, the ventral nerve cord (VNC) is unlike other caridian and dendrobrachiate decapods, as the subesophageal (SEG), thoracic and abdominal ganglia are fused, due to the reduction of abdominal segments and the tail. Neurons in clusters within the CNS varied in sizes, and we found that there were five distinct size classes (i.e., very small globuli, small, medium, large, and giant). Clusters in the brain and SEG contained mainly very small globuli and small-sized neurons, whereas, the VNC contained small-, medium-, large-, and giant-sized neurons. We postulate that the different sized neurons are involved in different functions. Microsc. Res. Tech. 77:189–200, 2014. © 2013 Wiley Periodicals, Inc.