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Texte remanié de: Thèse 3# cycle--Histoire--Rennes II, 1977. / Contient un choix de documents. Bibliogr. p. 357-361. Index.

Taxonomy of diatoms (Bacillariophyceae) was studied in 45 samples from Acadia National Park, Maine, U.S.A. Approximately 550 diatom taxa in 87 genera were observed in the samples from various habitats (i.e., lakes, streams, wetlands, wetwalls and brackish habitats). The most species rich group of diatoms, Eunotiophycidae, was studied in detail, resulting in a detailed documentation of 81 species and varieties with 18 probably new taxa.

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This thesis challenges the way we design and inhabit urban public space. This architectural thesis project envisions a new public space. A framework for expression: a place where people physically create the spaces around them through architectural manipulation and expression of ideas, art and performance. The framework is inspired by translating the principles of garment design into architectural strategies: joinery, materiality, structure, response, and adjustability. As the architecture changes, so do the programs and ways of expressing. The site of this exploration is on the coast of Maine, in the city of Portland; acting as a gateway into the city from the ocean, as well as a connector, bridging the Downtown and East End districts. The concept is explored by creating architecture for an urban public space through architectural strategies that respond to the people, site, and city that promotes expression, gathering, and becomes a physical connection to the city. By implementing a framework for expression in a urban public setting, people will be able to communicate through architecture by changing the physical spaces that surround them. Individual expression spurs the connection of people. The connection of people spurs the connection of a city. And, ultimately a city with meaningful connections, both physical and otherwise, will develop a more socially engaged society.

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Comparisons of aging services in Canada and the United States reveal similarities and differences in the structure and function of the two systems. In both countries, adult day services (ADS) is an integral component in the array of services available to older adults. In this study, I compared structural characteristics of programs, participant characteristics, and examined the National Adult Day Services Association classification model of ADS in demographically similar areas of Canada and the United States. Directors of 47 ADS programs in demographically similar provinces and states in Atlantic Canada, Maine, and Vermont responded to a mailed survey. Adult day services programs in each province and state exhibited some unique structural and participant characteristics. Statistically significant differences emerged between ADS programs in the two countries on the following structural variables: town population, center affiliation, center location, levels of government support, participant fees, organizational structure, hours of operation, months of attendance, hours attended per day, service frequency, and service provision. Participant characteristics that significantly varied between the two countries involved educational level and functional characteristics. A minority of programs exhibited a match between participant needs and services provided. However, very few programs belonged to the most mismatched category of providing core services to intensive level participants. The findings of this study support the importance of individual programs providing services appropriate to meet the needs of participants rather than adhering to a predetermined model of care. / Ph. D.

New radiometric ages and field relations within the Coastal Maine Magmatic Province suggest a bimodal distribution of igneous rocks in both space and time. The earlier magmatic event is represented by the development of large igneous complexes which occur along a magmatic axis extending from Calais to Penobscot Bay, Maine. These complexes are dominated by mafic magmatism ranging in composition from olivine norite through quartz diorite and granodiorite. Partially crystallized mafic magmas are often intruded by slightly peraluminous biotite ± hornblende granites as demonstrated by the occurrence of a wide range of enclave-host relationships. The igneous complexes are commonly cut by younger voluminous biotite ± hornblende granites and represent the development of a new tectonothermal perturbation of the crust. New radiometric data on igneous rocks from the Moosehorn Igneous Complex (MIC) near Calais, Maine indicate that the earlier magmatic event occurred during the interval of 440-420 m.y. This magmatic event in the MIC is marked by the emplacement of a large, complex assemblage of olivine norite, hypersthene gabbro, gabbro, biotite ± hornblende diorite, quartz diorite, and granodiorite. Compositional layering is present in many mafic bodies, and most commonly strikes northwest and dips gently to the southwest. The Moosehorn complex was intruded by the Baring granite before complete crystallization, resulting in the development of texturally diverse enclave swarms within the granite. / Master of Science