984 resultados para Ships -- Great Lakes (North America) -- History.


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Managing corporate performance is an important yet challenging process. Recently, many enterprises have adopted business intelligence (BI) tools to facilitate more effective corporate performance management. Based on a survey with 290 organizations across North America and East Asia, this paper presents empirical evidence on the key benefits of and barriers to BI-based corporate performance management (CPM). The study reveals that the implementation of BI-based CPM faces multi-dimensional challenges. Organizations in East Asia perceived higher CPM benefits as well as higher CPM barriers than their counterparts in North America. Cultural, economic and environmental differences between the two regions explain these issues. The research findings offer important insights for multinational organizations that are planning or are in the process of implementing or reviewing their BI-based CPM, as well as for consulting companies that are assisting with CPM implementation in different countries.

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In spite of its origins as an illegal, clandestine, grassroots activity that took place either outside or in defiant opposition to state and legal authority, there is growing evidence to suggest that harm reduction in North America has become sanitized and depoliticized in its institutionalization as public health policy. Harm reduction remains the most contested and controversial aspect of drug policy on both sides of the Canada–US border, yet the institutionalization of harm reduction in each national context demonstrates a series of stark contrasts. Drawing from regional case study examples in Canada and the US, this article historically traces and politically re-maps the uneasy relationship between the autonomous political origins of harm reduction, contemporary public health policy, and the adoption of the biomedical model for addiction research and treatment in North America. Situated within a broader theoretical interrogation of the etiology of addiction, this study culminates in a politically engaged critique of traditional addiction research and drug/service user autonomy. Arguing that the founding philosophy and spirit of the harm reduction movement represents a fundamentally anarchist-inspired form of practice, this article concludes by considering tactics for reclaiming and re-politicizing the future of harm reduction in North America.

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Multivariate morphometrics and image analysis were used to determine the number of well-distinguished infrageneric taxa of reddish freshwater Audouinella in North America. Three distinct groupings were differentiated from 83 populations collected from Alaska and Labrador in the north to central Mexico and Jamaica in the south. These groupings were statistically related to seven type specimens. The following species were recognized: A. eugenea (SKUJA) JAO, A. hermannii (ROTH) DUBY [syn.: A. violacea (KUTZ.) HAMEL and its varieties, alpina (KUTZ.) RAB., dalmatica (KUTZ.) RAB., expansa (WOOD) SMITH, and hercynica (KUTZ.) KUTZ.] and A. tenella (SKUJA) PAPENFUSS. These species are separated based on dimensions of vegetative cells and monosporangia. A. tenella is found only in California, A. eugenea in warm, alkaline and high-ion waters of the tropical rainforest and desert-chaparral, while A. hermannii occurs widely from the boreal to south temperate and in waters with relatively low temperatures and ion content.

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Incluye Bibliografía

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Includes bibliography

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Includes bibliography

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Current detection tools for Sirex noctilio F. (Hymenoptera: Siricidae) in North America are poor. To determine the importance of intercept trap type for capturing females of S. noctilio and its native congener, Sirex nigricornis F., in eastern North America, we report on seven trap comparison studies from different years and geographic locations. Among studies, total numbers of S. noctilio captured were low (mean of <= 1waspper trap). Total numbers of S. nigricornis caught were generally greater, andranged from ameanof 1-13 wasps per trap. Nearly all studies found no significant differencesamongintercept trap types in the number of woodwasps caught. For future studies, we recommend that either panel or 12-unit Lindgren funnel traps be used to catch S. noctilio or S. nigricornis in eastern North America.