99 resultados para Small fish community


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As has occurred in many smaller rural communities in America, Europe and Canada much of inland Australia has experienced population decline involving both a net loss of people a disproportionate ageing of the population and low average family incomes. Some Australian country towns have ceased to function as retail and administrative centres while other rural areas are faced with the prospect of losing critically important retail outlets and service providers. Australian rural towns are under threat from residents outshopping at nearby large regional centres leading to the loss of businesses and services in small service towns. This paper explores the possibility of how and why retailers and service providers in Australian country towns can and should emulate certain attributes of shopping malls in an attempt to stem the rise of outshopping. Using data collected in one small Australian rural community the paper comments on residents' perceptions of the strengths and weaknesses of retailing and the provision of services in their local community and what respondents thought should be done to diminish retail leakage from their town. Based on their responses it is clear that to remain competitive, retailers in smaller rural towns need to learn from the experience of shopping malls with whom they must now compete to survive. In this paper, it is argued that in certain areas this is not only possible, but essential if retailing is to remain viable in Australian country towns.

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This research was undertaken to explore the effectiveness of an already established community of practice among staff at a small rurally-based training organisation as a vehicle through which to develop innovative practice in online collaboration and learning. The research was situated within that ongoing innovation, and used interview and observational techniques to generate the research data from staff and management personnel. Substantial limitations to using an already existing community of practice to develop innovative practice were shown in the research. Development of new behaviours was substantially inhibited by the power of already established behaviours and practices. Additionally, lack of sufficient experience among community members in online technologies was a further barrier to effective and orderly development. The research indicates that the achievement of innovative practice through communities of practice within existing workplaces may best be served by the strategic development of members of those communities, focusing on change from already established behaviours, and by ensuring a mix of skill and experience to support and lead less experienced participants.

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Rural women were involved in the struggle for women's suffrage in Victoria but their entry into local government has been slower than in urban centres. This paper takes as its starting point Ken Dempsey's analysis of the hegemonic masculine structure of small Victorian towns in the 1980s and Amanda Sinclair's notion of the maternal feminist being the prototype of the rural woman councillor at that time. My study, which is based upon a qualitative interview study with 12 women councillors across rural Victoria during February 2004, reveals that women in small towns are now much more likely to challenge the notion of masculine hegemony by playing a more proactive role in community affairs in small towns. For them, local government service is a logical and practical way to help improve the quality of life in their constituencies. This is also because the traditional rural definition of local government with its main function to ensure adequate infrastructure provision for its ratepayers to maintain viable farming and other productive operations is changing. Furthermore, these women challenged the notion of the maternal feminist by embracing broader political agendas and operating with different representational styles than those associated with previous generation of women on local councils in small towns. On a theoretical level, the paper concludes by suggesting that while the notion of a 'critical mass' in terms of women's political participation is important, there is also a need to explore women's accounts of ‘critical acts’ in the everyday decision-making of local government.

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In this paper the results of a study conducted on the culture-based fisheries in small (ranging from 2 to 160 ha), farmer-managed reservoirs in YenBai and ThaiNguyen Provinces in the northern highland region of Vietnam, for the production cycles of 1997/98, 98/99 and 99/00 are presented. The small reservoirs are leased to small farmers by the provincial authorities for fishery activities, and all lessees adopt culture-based fisheries when fingerlings of grass carp (Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix), bighead carp (Aristichthys nobilis), common carp (Cyprinus carpio) and mrigal (Cirrihinus mrigala) are stocked between March and mid-April each year and harvested, using large seine nets, after approximately 11-12 months. The mean yields from reservoirs in YenBai and ThaiNguyen Provinces in 97/98, 98/99 and 99/00 production cycles were 251, 332 and 253, and 331, 372 and 210 kg ha−1 respectively. There were major differences in the fish productivity in the reservoirs in the two Provinces, and in a reservoir between culture cycles. The stocking strategies appeared to be rather ad hoc, being determined by the availability of seed stock and the financial status of the lessees. Accordingly, there was no apparent consistent trend in the improvement of yields from the culture-based fishery practice throughout the growth cycles. The fish yields in reservoirs in each Province were significantly related to reservoir area (exponentially) and to mean weight of stocked fish and conductivity (logarithmically). Of the stocked fish, the highest returns were obtained with mrigal and bighead carp, which collectively contributed > 50% to the harvest. The return from common carp was the lowest. The mean growth rate of grass carp (2.7 g day−1), followed by bighead carp (2.0 g day−1) was the highest in reservoirs in YenBai Province, bighead carp (4.0 g day−1) followed by grass carp (3.2 g day−1) was the highest in ThaiNguyen Province. The seed stocked on average accounted for 65% and 48% of the total operating costs in YenBai and ThaiNguyen Provinces, and the mean cost:benefit ratio of the culture-based fishery in the two Provinces was 0.35 and 0.37 respectively. The culture-based fishery on average contributed about 28% to the gross income of a farmer lessee.

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Two marginiferinid species, Marginifera spinulifera sp. nov. and Transennatia sulcata sp. nov. are described from the Early Permian Liangshan and lowermost Chihsia formations at the Chuanmu Section, Sichuan, China. The Linshuichonetes – Crurithyris Community is discussed in the context of a pioneering opportunistic community that developed at the onset of the Yanghsingian transgression in the late Artinskian. This community was characterized by species that were generally small and relatively thin-shelled, and showed other features that are ecological adaptations to fluctuating environmental conditions.

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Background Interventions that increase participation in physical activity and positive dietary changes may improve the health of the community through modifying the lifestyle contribution to preventable disease. However, previous evaluations have identified concerns about inequitable and unsustainable uptake, adherence and retention within healthy lifestyle schemes.

Intervention study The intervention evaluated here was designed to be a 12-week intervention for participants, offering free testing of physiological indicators of health, one-to-one health advice and a range of exercise, activity and cookery classes, at no or reduced cost, at local venues throughout the community. This paper reports the findings from a small qualitative study undertaken to explore the experiences and reflections of those who took part in the intervention to different extents, including those who fully and partially participated as well as those who dropped out or declined to take part.

Method Sixteen respondents took part in semi-structured interviews (5 male, 11 female; 8 black, 8 white; age range 25–85).

Findings The findings suggest that participants assessed the healthy lifestyle intervention in terms of how well it met their pre-existing needs and opportunities for change, and that they selected the aspects of the scheme that suited them, interested them and were perceived as delivering salient results. There is also evidence for a stronger role of perceived support in influencing uptake and maintenance of lifestyle changes, and that support was conceptualised by participants as one of the services offered by the scheme. Perceived support and related perceptions of reliance on the scheme to sustain lifestyle changes also suggested that in some cases full adherence to a scheme is not as likely to produce long-term adherence to lifestyle changes as compared to partial, but more realistic adherence and smaller lifestyle changes. Implications for delivering and evaluating healthy lifestyle interventions are also discussed.

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Governments worldwide are using funding initiatives to encourage small businesses to adopt e-commerce technology. In Australia both State and Federal Governments have encouraged e-commerce uptake through the funding of Internet portal developments that have a specific community or business focus. The success of such portals, as with many Web developments, has been mixed and there is little evidence of any evaluation of the effectiveness of such investments. This paper reports on research into an Australian B2B business community portal from launch to closure. A survey and in-depth interviews with portal participants were undertaken. The research sought to understand how the portal had been developed, and what factors may have contributed to its demise. The findings identified a number of factors, not discussed in the literature, that are important in portal development. These include: how the development process is undertaken; technological readiness of the small business owners; meeting business expectations; and understanding the business community stakeholders. The results from this study suggest that portal projects such as this are problematic and funding bodies such as governments need to understand the factors that contribute to success before funds are committed.

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This study was conducted in 20 reservoirs, ranging in size from 4 to 30 ha, in the mountainous, northern region of Vietnam, in ThaiNguyen and YenBai provinces, over two growth cycles in 2002/03 and 2003/04. The reservoirs are leased by farmers for fishery activities from the provincial administration, and the trials were managed by the lessee farmers. Three species combinations in ratios (by fingerling weight) of grass carp: silver carp: bighead carp: common carp: mrigal 1:2:1:1:3 (A), 1:3:1:1:2 (B) and 1:2:1:1:2 (C) were used as seed stock. The overall mean yield of stocked fish in 2002/03 and 2003/04 growth cycles in reservoirs in ThaiNguyen and YenBai provinces was 165 (±21) and 190 (39), and 287 (±22) and 325 (±24) kg ha−1 respectively. The yield in reservoirs in both provinces, in both growth cycles and irrespective of the species combinations, increased in relation to stocking density. In reservoirs in ThaiNguyen Province, the species combination B gave the lowest yield (both growth cycles and overall), and differed significantly (P<0.05) from combinations A and C. The stocking efficiency (ratio of the yield of stocked fish in kg ha−1 to the weight of the stocked fish in kg ha−1) in reservoirs in ThaiNguyen Province ranged from 2.9 to 5.1 over the two growth cycles and that in YenBai from 2.8 to 3.9. There was no discernible trend between growth cycles and/or between species combinations. The major cost incurred was for fingerling procurement. In all instances, a net profit was accrued. The mean (±standard error (SE)) net profit ha−1 (in 103VN dong; approximately 15 500 VND=1 US$) was 885 (±270) and 864 (±214), and 1322 (±176) and 1600 (±150) for the growth cycles 2002/03 and 2003/04 for reservoirs in ThaiNguyen and YenBai provinces respectively. Between the two growth cycles, the net profit increased in eight and three reservoirs from YenBai and ThaiNguyen, respectively, the maximum increase being recorded in Khuan Gio (165%) and Dong Man (39%) reservoirs.

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This article reports on research undertaken with members of a Melbourne urban community garden to explore the extent to which such a natural amenity provides opportunities for enhancing social capital. It is apparent even from this small qualitative study that membership of 'Dig In' community garden offers many benefits to its members. These benefits include increased social cohesion (the sharing of values enabling identification of common aims and the sharing of codes of behaviour governing relationships), social support (having people to turn to in times of crisis) and social connections (the development of social bonds and networks). However, the study indicates that, at least in the early stages of development, such benefits do not necessarily extend beyond the garden setting. This raises a question about the time required to develop high levels of social capital, and points to the need for further research into 'time' and 'space' aspects of community gardens.

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This experiment was conducted to examine the effect of feeding small, isoenergetic amounts of supplements containing high protein and functional lipid components, rather than the greater amounts of cereal and/or legume grains usually fed during the dry season in Australia, on dry matter intake (DMI), growth performance, plasma metabolites, and fat deposition in lambs consuming low quality roughage. Thirty two crossbred wether lambs ([Merino × Border Leicester] × Poll Dorset) were divided into four groups by stratified randomization according to liveweight (26–33 kg). After a 7-day adaptation to a hay diet (lucerne hay:oaten hay; 30:70), lambs were allocated to four treatments consisting of (1) basal diet of lucerne hay:oat hay (20:80; metabolizable energy (ME) = 7.0 MJ/kg DM), Basal; (2) basal + canola meal (84 g per day), CM; (3) basal + soymeal (75 g per day), SM; or (4) basal + fishmeal (80 g per day), FM. Daily hay and supplement DMI, and weekly liveweight were recorded during a 53-day experimental study. Blood samples were taken on day 1 and pre- and post-feeding on days 30 and 53 to measure changes in plasma glucose and plasma urea nitrogen (PUN) concentration. At the end of the experiment, lambs were slaughtered and hot carcass weight (HCW) recorded; cold carcass fatness (total muscle and adipose tissue depth at 12th rib, 110 mm from midline; GR) was determined at 24 h postmortem. Total DMI was increased (P < 0.001) in CM, SM and FM treatments, but basal hay DMI intake was only increased (P < 0.01) in CM and FM treatments compared with Basal treatment. This resulted in significant (P < 0.01) increases in metabolizable energy (ME) and crude protein (CP) intakes in all supplemented treatments, with the highest intakes recorded in the FM treatment. Liveweight gain (LWG) was significantly increased in CM and SM (P < 0.05) and FM (P < 0.01) treatments but HCW was significantly (P < 0.01) heavier slaughter only in the FM treatment. Feed conversion efficiency (P < 0.001) and GR fat at depth (P < 0.05) was reduced in all supplement treatments compared with Basal. Plasma glucose concentration was significantly (P < 0.05) increased after feeding in all treatments but there was no treatment effect. PUN was significantly increased over time in the supplemented treatments compared with the Basal treatment; there was no significant difference between supplement treatments by day 53. Results show that feeding small amounts of high protein and lipid-containing supplements improves production responses and are beneficial in producing carcasses with more lean compared with carcasses from lambs fed a low quality hay diet.


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Many Governments are using funding initiatives to encourage businesses, particularly small businesses to adopt e-commerce technology. One currently popular approach in Australia, has been to fund internet portal developments with a specific community or business focus. The success of such portals however, as with many Web developments has been mixed. This paper reports on the establishment of a B2B portal in Australia. The paper explores issues and expectations from the perspective of the business people involved. A survey was conducted amongst the participants of the portal shortly after it was launched. Then follow-up interviews were conducted with business owners 2 years later just before the portal closed. The researchers sought to understand what the business community expected from the portal and to identify what factors contribute to success. The research found that in addition to the factors identified through the literature that, technological readiness of business owners, understanding the business community, realizing business value and managing participant’s expectations are also factors impacting on success. A model is proposed to describe the success factors.

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Inland fisheries contribute only about ten percent to global fish production. Asia is the leading producer of inland fish, accounting for over 80 percent of the total production. Until recently, the inland fisheries sector had taken back stage in fisheries development plans, particularly so, given the emphasis being placed on aquaculture development throughout the world, including Asia. This report evaluates the inland fishery practices in a number of Asian countries according to habitat type, role in overall foodfish supplies and development trends. Special emphasis is laid on stock enhancement in inland fisheries in Asia, and only those fisheries in which some form of stock enhancement is practised are considered in this report.

In Asia, inland fisheries are mostly rural, artisanal activities catering to rural populations and providing an affordable source of animal protein, employment and household income. Stock enhancement is an integral component of many inland fisheries. With recent developments in
artificial propagation techniques for fast-growing and desirable fish species and the consequent increased availability of seed stock, such activities are beginning to affect inland fishery production in most Asian countries. Indeed, new avenues of production such as culture-based fisheries are increasingly adopted and seen as a way forward in most countries. Inland fishery activities also have a distinct advantage in that their development is usually less resource intensive than is aquaculture.

The economic viability of stock enhancement of large lacustrine waterbodies and rivers has not been demonstrated in any of the Asian countries, the fisheries of such waterbodies being dependent on naturally recruited stocks. The most successful stock enhancements in Asia are in floodplain beels and oxbow lakes in Bangladesh where the use of small waterbodies that are not capable of supporting natural fisheries has led to culture-based fisheries having stock and recapture rates that are very high. Culture-based fisheries are not resource intensive and are community-based activities. However, their success requires major institutional changes, and these are affected by national and local governments. In general, they can be considered to have the greatest potential for further development.

A major concern related to stock enhancements in inland waters is their possible effects on biodiversity. This is for two reasons: firstly, most countries depend wholly or partially on exotic species for stock enhancement and secondly, freshwater fishes are known to be among the most threatened of vertebrates. Major studies should be undertaken to evaluate the current situation so that remedial steps can be taken, if needed, without causing serious harm to some of the stock enhancement practices that are gaining momentum.

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The Borough of Queenscliffe (BoQ) occupies a unique place among coastal Victorian locations. Situated at the tip of the Bellarine Peninsula, the Borough has approximately 3000 permanent residents, one third of who are over 60 years old. The Borough is also the smallest in Victoria, covering a total area of 13 square kilometres. BoQ is also unique because of its location. The Borough is almost totally surrounded by water and much of this is classified as maritime national park. The Swan Bay Marine Reserve is a Ramsar site and is therefore a wetland of international significance. The Borough relies heavily on tourism for its economic livelihood.

This paper begins with an overview of the BoQ in geographic, demographic and economic terms and then discusses the possible effects and impacts of climate change, as they relate to this small community. These sections are viewed from environmental, economic and social perspectives. Environmental impacts include the erosion of the coastal sand dune system and the loss of habitat for the orange-bellied parrot. Social impacts include the health effects and dangers of flooding for low-lying housing. Various indicators of community response are described, particularly the activities of the local climate change action group. Their strategy can essentially be described as a ‘push upward and downward’ approach. Innovative actions to implement this strategy are described in the paper.

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Background : Intimate partner violence (IPV) is prevalent globally, experienced by a significant minority of women in the early childbearing years and is harmful to the mental and physical health of women and children. There are very few studies with rigorous designs which have tested the effectiveness of IPV interventions to improve the health and wellbeing of abused women. Evidence for the separate benefit to victims of social support, advocacy and non-professional mentoring suggested that a combined model may reduce the levels of violence, the associated mental health damage and may increase a woman's health, safety and connection with her children. This paper describes the development, design and implementation of a trial of mentor mother support set in primary care, including baseline characteristics of participating women.

Methods/Design : MOSAIC (MOtherS' Advocates In the Community) was a cluster randomised trial embedded in general practice and maternal and child health (MCH) nursing services in disadvantaged suburbs of Melbourne, Australia. Women who were pregnant or with infants, identified as abused or symptomatic of abuse, were referred by IPV-trained GPs and MCH nurses from 24 general practices and eight nurse teams from January 2006 to December 2007. Women in the intervention arm received up to 12 months support from trained and supported non-professional mentor mothers. Vietnamese health professionals also referred Vietnamese women to bilingual mentors in a sub-study. Baseline and follow-up surveys at 12 months measured IPV (CAS), depression (EPDS), general health (SF-36), social support (MOS-SF) and attachment to children (PSI-SF). Significant development and piloting occurred prior to trial commencement. Implementation interviews with MCH nurses, GPs and mentors assisted further refinement of the intervention. In-depth interviews with participants and mentors, and follow-up surveys of MCH nurses and GPs at trial conclusion will shed further light on MOSAIC's impact.

Discussion : Despite significant challenges, MOSAIC will make an important contribution to the need for evidence of effective partner violence interventions, the role of non-professional mentors in partner violence support services and the need for more evaluation of effective health professional training and support in caring for abused women and children among their populations.

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This paper reports findings from a study in two small Tasmanian rural communities that examined the process of developing and sustaining partnerships between health services and their communities. It identifies a generic framework for partnership development that appears to be common to partnerships, regardless of their purpose or of partners involved. The framework comprises ten predictors or indicators of effectiveness, and a sequential nine-stage partnership development process. Integral to the framework are social capital, and the leadership practices of health service and community leaders. The influence of context on the partnership development process is also examined, with reference to historical precedent, age or maturity of the partnership, and community readiness.