Optimal management of a goose flyway : migrant management at minimum cost

1. We adopt a ‘whole flyway’ approach to modelling scenarios for protecting migratory birds, aiming at efficient and cost-effective conservation of flyway habitat.

2. We developed a model to minimize flyway management costs while safeguarding a migrating bird population. The model assumes that the intensity of the birds’ use of sites can be manipulated by varying management regimes (with concomitant costs) and that the birds make optimal use of the conditions created along their flyway.

3. We used dynamic programming to find the sequence of migratory decisions that maximizes the fitness of the migrants given a range of management scenarios, followed by a management cost estimate of all these scenarios and selection of those scenarios yielding an optimal solution from both an economic and the migrants’ perspective.

4. Using the population of pink-footed geese Anser brachyrhynchus that breed in Svalbard as an example, we calculated that the cheapest management scenario given current compensation payment rates at the various goose stopover sites yielded a 35% cost saving over current management. This cheapest scenario provides a migration itinerary that is very similar to the current itinerary used by the geese. This is fortuitous since changing environmental conditions may put the migrants at risk.

5. Synthesis and application. Given the global threats to migratory birds, developing a framework for efficient and effective conservation of flyway habitat is an urgent need. Such a framework may likewise be used to assist in controlling migrants causing conflict with agriculture, such as several goose species, in an economic and responsible fashion. Our suggested exemplified framework identified large unexplainable differences in management costs between regions. Differences in management costs between staging sites for birds make big differences to the optimal management of a flyway. Hence, to achieve efficient and effective management of migratory birds, we firstly need an objective assessment of the cost of management in different locations, followed by a modelling approach as here advocated, and followed up by a collaborative action of managers along the entire flyway.

The impact of a parenting intervention in Australia among migrants and refugees from Liberia, Sierra Leone, Congo, and Burundi : results from the African migrant parenting program

African migrants and refugee families who resettle in high-income countries such as Australia face many challenges. Negotiating parenting in a new culture is one of the most pressing challenges that is faced by most African migrant and refugee parents. As a consequence of the new cultural environment reflecting values and practices that may seem inconsistent with traditional parenting from countries of origin, differing acculturation rates of parents as compared to their children may lead to difficulties and challenges. An eight-session parenting program for African migrant and refugee parents living in Melbourne was evaluated. Thirty-nine families participated in the program, which involved pre-test and post-test measures of parenting domains, using the Bavolek and Keene (1999) revised Adult–Adolescent Parenting Inventory (AAPI-2). Exposure to the program was related to positive changes in parental expectations of children, attitudes towards corporal punishment, and restriction of children’s access to food. The program facilitated positive change in almost all parenting domains. In light of these findings, recommendations are made for policy and future programs.

Prevalence of vitamin D insufficiency and risk factors for type 2 diabetes and cardiovascular disease among African migrant and refugee adults in Melbourne

Migration to industrialised countries poses a “double whammy” for type 2 diabetes among sub-Saharan African migrant and refugee adults. This population group has been found to be at an increased risk of obesity and type 2 diabetes, which may be further aggravated by inadequate vitamin D status. Thus, this study aimed to describe the demographics of vitamin D insufficiency, obesity, and risk factors for type 2 diabetes among sub-Saharan African migrants and refugees aged 20 years or older living in Melbourne, Australia (n=49). Data were obtained by a questionnaire, medical assessment, and fasting blood samples. The mean serum 25-hydroxyvitamin D level was 27.3 nmol/L (95% CI: 22.2, 32.4 nmol/L); with 25-hydroxyvitamin D levels <50 nmol/L occurring in 88% of participants. Participants displayed a cluster of risk factors for type 2 diabetes and cardiovascular disease: 62% were overweight or obese, 47% had insulin resistance (HOMA-IR ≥2), 25% had low density lipoprotein cholesterol levels ≥3.5 mmol/L, 24.5% had high density lipoprotein cholesterol levels ≤1.03 mmol/L, 34.6% had borderline or high levels of total cholesterol (≥5.2 mmol/L), 18.2% had borderline or high levels of triglyceride (≥1.7 mmol/L), and 16% had hypertension (systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg). These findings suggest that sub-Saharan African migrants and refugees may be at risk of type 2 diabetes and atherosclerosis-related diseases such as ischemic heart disease, stroke, and peripheral vascular disease. Well-designed vitamin D interventions that incorporate lifestyle changes are urgently needed in this sub-population.

Migrant houses in Northcote, Melbourne, Australia, 1950‐1975

The data collection contains documentation of migrant houses in Northcote, Melbourne. It includes photographic documentation of the houses, interviews with the inhabitants, and drawings/sketches of the houses.

The focus of the research is on houses that were built between 1950 and 1975. These houses are themselves a product of the construction skills and processes of post-war immigrants and the waves of 1960s immigrants into Australia from Southern European countries. Typically, these houses are brick veneer and have a strict sense of order and endurance about their design and image of the facade. A series of outdoor and semi-outdoor spaces produce a complexity of inside-outside relations and make possible different lifestyles.

Stories of the migrant house suggest it is an example of what might be called an ‘eco-object’, an object through which ecological practices are interwoven with social and cultural orientations. The houses are also aesthetic artefacts that present a public image through their facades. The project has documented the ‘material history’ of the houses. It illustrates the significance of particular elements/processes including: the terrace, new nature (in the front garden and back vegetable garden), summer kitchen, ongoing construction and storage space.

Migrant Houses in the village Zavoj, Republic of Macedonia, 1988-2010

The focus of this data is on the transformation of the village Zavoj in the Republic of Macedonia, due to emigration from the village, recorded through the architectural changes to the houses in the village. The village had become by default a place for the accommodation of elderly people who did not want to join their offspring abroad in the cities of immigration, or in the fringe suburbs of nearby towns.

The data documents the ‘material history’ of the houses, and constitutes a longitudinal research project tracing the transformation of the architectural fabric of the village since 1988. It includes visual documentation such as photographs and drawings, and includes the houses as HOUSE-STATES as follows:

House-Traditional: Vernacular architecture still in use and maintained as a dwelling.
House-Construction: Buildings that are still being constructed, the house as ongoing construction site.
House-Fragment: An eMigrant house-fragment is juxtaposed with the vernacular dwelling. Typical and affordable techniques of single brick cavity and reinforced concrete structure are evident in the new fragment.
House-Closed: Many new houses have only one door and one window, height, size and volume are minimal; and are closed a lot of the time.
House-Ruin: Vernacular traditional dwellings that are deteriorating. Traditional vernacular dwellings are rarely renovated, reconstructed or repaired.

The data is complemented by several field-work methods including participant observation, interviews, documentation of the village as a totality, recording of oral histories and myths, festivities, and archival statistical research about the vicinity.

This dataset comprises photographic documentation, sketch/drawing documentation, digital interview recordings, and interview notes.

Post-war migrant built heritage in Melbourne : from assimilation to multiculturalism

If place identities are created by ascribing subjective meaning to sites and buildings it follows that diverse groups will consider place meaning differently. This poses a challenge for the selection and interpretation of heritage sites in plural societies where notions of architectural significance are likely to conflict. Basing heritage policy on the premise of a shared heritage is particularly challenging when the cultural traditions of the past underlie definitions of architectural significance in a more culturally diverse present. This paper presents an introduction to research exploring the inclusion of twentieth century migrant built heritage in Australia. Through selected examples of recently recognised heritage sites in Melbourne, the paper considers how migrant heritage is included and what this reveals about the cultural traditions underlying Australian heritage discourses. The inclusion of migrant places suggests that there is an initial shift in heritage discourses where notions of architectural significance have expanded to include the history of post-war migration. However, the examples raise questions about the nature of cultural inclusivity in heritage frameworks.

Aesthetic anxieties : the problem of defining the migrant house in Australia

The interest of this paper concerns the problem about the migrant house – why has it been so difficult to define? In order to examine the problem of the lack of literature on the migrant house it is important to look at the literature on the Australian house, and to examine how the migrant house is positioned or not included in this literature. It will approach this through what is accepted as discourse analysis, but with a particular position informed by the work of Stuart Hall on representation.

Mobile texts and migrant audiences : rethinking literacy and assessment in a new media age

This article highlights the importance of rethinking literacy assessment in a digital and global world. Although pressures currently abound to narrow conceptions and practices of literacy, especially in an era of high stakes testing, digital multimodality and connectivity offer the potential for new ways of thinking, representing, and communicating, as well as new avenues for participating in relationships across social, geographic, and cultural difference. We explore the challenges of redesigning assessments so that they better take into account children's multiliterate capabilities. In so doing, we offer examples from our work in afterschool contexts that demonstrate how we have grappled with the complexities of assessment in new times.

Opportunities or obstacles? understanding the challenges faced by migrant women entrepreneurs

Purpose - Applying theories of entrepreneurship, the paper aims to identify the factors - with theoretical explanations - that act as barriers to migrant women entrepreneurs (MWEs), particularly women from developing countries starting businesses in developed economies. The paper further explores which barriers also have the potential to act as enablers.

Design/methodology/approach - The relationship between immigration, ethnicity, gender and entrepreneurship has received little theoretical attention. Linking these discourses, the paper theoretically develops a framework of the possible barriers or enablers faced by MWEs.

Findings - The paper reinforces earlier research that MWEs are not a homogenous group; the problems they face are multifaceted, and MWEs from developing countries are the most disadvantaged of entrepreneurs. It identifies multiple factors - human capital, culture, family, institutional factors, gender and social capital- as possible barriers for MWEs. Findings further indicate, that among those barriers, culture, family, social capital and gender have the potential to play a dual role for MWEs, by acting either as a barrier or an enabler. Findings also highlight the overarching and predominant influence of culture – as explained by cultural theory -acting as a barrier for MWEs from developing countries.

Research limitations/implications - Given the increasing potential of MWEs, the paper provides implications for not only addressing the barriers but also viewing the barriers as ways to promote entrepreneurship among such minority groups. It further stresses a needs-based approach to customizing policies to benefit the diverse group of MWEs. Limitations: This is a theoretical paper. Empirical research is needed to test the framework and its different dimensions. Given the diversity of MWEs and the factors that shape their entrepreneurial endeavours, it is difficult to develop a single framework to encompass the complexity of the situation. Nevertheless, the proposed framework provides useful insights into the barriers or enablers that MWEs face, along with theoretical explanations and, thus, acts as a springboard for future research.

Originality/value - By providing a theory-based framework of the barriers or enablers faced by MWEs, along with policy implications, the paper contributes to a better understanding of the phenomenon of migrant women entrepreneurship.

Migrant stones : stonewalling with ghost muscle

A series of events: workshop in the collective memory and response to the stones of SW Vic, followed by a stone walling workshop led by professional stone wallers, and the construction of a permanent section of stone wall on the foreshore of Lake Bolac.

Is the migrant house in Australia an Australian vernacular architecture?

This report seeks to understand the meaning of the migrant house in Melbourne, Australia. Following a discussion of the Australian vernacular house, it asks what it is that makes the migrant house a unique category, different from other, nonmigrant houses in Australia. Reporting on research on seventeen migrant houses in the suburbs of Melbourne, it then shows how three architectural elements - the facade, the terrace, and the back yard - differentiate these houses from other examples of the Australian vernacular. Finally, it argues that, through their different "migrant aesthetics," the three architectural elements illustrate how soda-spatial features have facilitated and eased the adaptation of migrants to life in Australia.