501 research outputs found

    Developing an Ontario Maple Syrup Sector Profile: A Value Chain Analysis (Executive Summary)

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    Through a sectorial profile, this study identifies the maple syrup value chain’s key players, processes, activities and inter-intra industry relationships (social capital) providing baseline data on the current status of the industry and an overall picture of the maple syrup value chain for members and new entrants. The study found that a) technological advancements over the years have lead to great efficiencies and eased the labour requirement; b) that strong social connections have great impact on marketing and retail of syrup; c) that innovation is found not only through research and development sectors of large companies but also from a bottom-up approach; d) Producers have aided with innovations with development of technology and processes

    Maple Syrup Value Systems and Value Chains - Considering Aboriginal and Non-Aboriginal Perspectives

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    Harvested from both intensive sugar maple stands and diverse mixed forest ecosystems across Ontario, maple syrup is an important rural and Aboriginal non-timber forest product that contributes to social, economic and environmental sustainability. This paper presents our ongoing work to map Ontario’s maple syrup value system from two different perspectives, Aboriginal and non-Aboriginal. In the economic sense, analyses of value systems are useful for members to identify the opportunities and challenges they are facing to advance industry growth and innovation. In the social and environmental sense, these analyses provide a window into how different worldviews and belief systems can lead to more effective and sustainable maple production. A value system is the inter-connected network of firms and activities that comprise an industry from the supplier to the consumer that is focused on quality and efficiency rather than costs. In this project, we pushed the boundaries of the traditional business approach, to incorporate sustainable development thinking and re-imagine the mapping according to Aboriginal ways of knowing. We undertook thirty four interviews representing Aboriginal and rural industry members and other key informants. We compare and contrast the rural and Aboriginal models of the value systems and conclude by providing insights useful for community forestry operations

    Developing an Ontario Maple Syrup Sector Profile: A Value Chain Analysis

    Get PDF
    Through a sectorial profile, this study identifies the maple syrup value chain’s key players, processes, activities and inter-intra industry relationships (social capital) providing baseline data on the current status of the industry and an overall picture of the maple syrup value chain for members and new entrants. The study found that a) technological advancements over the years have lead to great efficiencies and eased the labour requirement; b) that strong social connections have great impact on marketing and retail of syrup; c) that innovation is found not only through research and development sectors of large companies but also from a bottom-up approach; d) Producers have aided with innovations with development of technology and processes

    A Walkthrough of the Canadian Video Game Industry: An Economic Geography Perspective on the Digital Entertainment Frontier

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    The video game industry has been examined since the 1970’s, yet individual country analysis from an economic geography perspective has been lacking. It is the contribution of this dissertation to utilize the agglomeration economy and location theory literature in its application to the Canadian video game industry. To understand this industry, a mixed-method approach is used. Kernel density maps, standard deviational ellipses, and mapping processes were used to illustrate the dispersion and clustering patterns of studios in Canada. In addition, a Poisson regression was performed using count data of the number of video game firms in census metropolitan areas. The resulting data displayed strong clustering in the major trade cities of Vancouver, Toronto, and Montreal, with the Poisson regression showing a positive relationship between the two variables, population and number of video game studios. The interview data revealed that this is influenced by a mix of urban hierarchy and financial aid. These two go hand in hand as often these areas with the highest population and therefore the greatest number of video game studios, have the most opportunities for this aid. Interviews also revealed the additional element of networking. While this is somewhat limited in some given locations, there are more instances of open communication in the smaller-scale operations between developers. The growth of the video game industry relies heavily on the branch economy that has developed over time. While it is possible to apply the initial growth of the industry in Canada to the economic geography literature, this is reduced to initial stages of development and labour pools

    Uphill sprinting load – and force – velocity profiling : Assessment and potential applications

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    This study aimed to quantify the validity and reliability of load–velocity (LV) relationship of hill sprinting using a range of different hill gradients and to describe the effect of hill gradient on sprint performance. Twenty-four collegiate-level athletes performed a series of maximal sprints on either flat terrain or hills of gradients 5.2, 8.8 and 17.6%. Velocity–time curves were recorded using a radar device. LV relationships were established using the maximal velocity achieved in each sprinting condition, whilst force–velocity–power (FVP) profiles were established using only the flat terrain sprint. LV profiles were shown to be valid (R2 = 0.99) and reliable (TE < 4.4%). For every 1-degree increase in slope, subjects’ velocity decreased by 1.7 ± 0.1% on average. All the slopes used represented low resistance relative to the entire LV spectrum (<25% velocity loss). Subjects who exhibited greater horizontal force output at higher velocities on flat terrain were most affected by the gradient of the hill. Hills of gradients up to 17.6% do not provide sufficient resistance to optimize power development. However, such hills could be used to develop late-stage technical ability, due to the prolonged horizontally oriented body position that occurs as subjects attempt to overcome the acceleration due to gravity

    Modeling Elasticity in Crystal Growth

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    A new model of crystal growth is presented that describes the phenomena on atomic length and diffusive time scales. The former incorporates elastic and plastic deformation in a natural manner, and the latter enables access to times scales much larger than conventional atomic methods. The model is shown to be consistent with the predictions of Read and Shockley for grain boundary energy, and Matthews and Blakeslee for misfit dislocations in epitaxial growth.Comment: 4 pages, 10 figure

    The impact of predation by marine mammals on Patagonian toothfish longline fisheries

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    Predatory interaction of marine mammals with longline fisheries is observed globally, leading to partial or complete loss of the catch and in some parts of the world to considerable financial loss. Depredation can also create additional unrecorded fishing mortality of a stock and has the potential to introduce bias to stock assessments. Here we aim to characterise depredation in the Patagonian toothfish (Dissostichus eleginoides) fishery around South Georgia focusing on the spatio-temporal component of these interactions. Antarctic fur seals (Arctocephalus gazella), sperm whales (Physeter macrocephalus), and orcas (Orcinus orca) frequently feed on fish hooked on longlines around South Georgia. A third of longlines encounter sperm whales, but loss of catch due to sperm whales is insignificant when compared to that due to orcas, which interact with only 5% of longlines but can take more than half of the catch in some cases. Orca depredation around South Georgia is spatially limited and focused in areas of putative migration routes, and the impact is compounded as a result of the fishery also concentrating in those areas at those times. Understanding the seasonal behaviour of orcas and the spatial and temporal distribution of “depredation hot spots” can reduce marine mammal interactions, will improve assessment and management of the stock and contribute to increased operational efficiency of the fishery. Such information is valuable in the effort to resolve the human-mammal conflict for resources

    The TCF7L2 locus and type 1 diabetes

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    <p>Abstract</p> <p>Background</p> <p><it>TCF7L2 </it>belongs to a subfamily of TCF7-like HMG box-containing transcription factors, and maps to human chromosome 10q25.3. A recent study identified genetic association of type 2 diabetes (T2D) with this gene, correlated with diminished insulin secretion. This study aimed to investigate the possibility of genetic association between <it>TCF7L2 </it>and type 1 diabetes (T1D).</p> <p>Methods</p> <p>The SNP most significantly associated with T2D, rs7903146, was genotyped in 886 T1D nuclear family trios with ethnic backgrounds of mixed European descent.</p> <p>Results</p> <p>This study found no T1D association with, and no age-of-onset effect from rs7903146.</p> <p>Conclusion</p> <p>This study suggests that a T2D mechanism mediated by <it>TCF7L2 </it>does not participate in the etiology of T1D.</p

    Psychiatric Context of Acute/Early HIV Infection. The NIMH Multisite Acute HIV Infection Study: IV

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    Acute/early HIV infection is a period of high risk for HIV transmission. Better understanding of behavioral aspects during this period could improve interventions to limit further transmission. Thirty-four participants with acute/early HIV infection from six US cities were assessed with the Mini International Diagnostic Interview, Beck Depression Inventory II, State-Trait Anxiety Inventory, Brief COPE, and an in-depth interview. Most had a pre-HIV history of alcohol or substance use disorder (85%); a majority (53%) had a history of major depressive or bipolar disorder. However, post-diagnosis coping was predominantly adaptive, with only mild to moderate elevations of anxious or depressive mood. Respondents described challenges managing HIV in tandem with pre-existing substance abuse problems, depression, and anxiety. Integration into medical and community services was associated with adaptive coping. The psychiatric context of acute/early HIV infection may be a precursor to infection, but not necessarily a barrier to intervention to reduce forward transmission of HIV among persons newly infected
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