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Dissertations / Theses on the topic 'Harbours and marinas'

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1

Varenne, Alix. "Étude de la diversité des nurseries artificielles dans les zones portuaires et de leur connectivité trophique avec les écosystèmes adjacents." Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ5044.

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Le développement côtier introduit des habitats artificiels qui impactent la biodiversité et le fonctionnement des écosystèmes. Les solutions d'ingénierie écologique, comme les habitats artificiels à poissons (HAP), peuvent réhabiliter des zones très modifiées, comme les ports, en offrant un abri aux poissons. Les HAP peuvent aussi fournir un substrat aux invertébrés et aux macroalgues, améliorant le fonctionnement de l'écosystème. Leurs effets pourraient aller au-delà des ports et modifier les échanges trophiques avec les habitats adjacents. Cette thèse étudie la biodiversité des invertébrés a
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2

Fruth, Lizabeth Lepp. "A guide for small craft harbor and marina managers in coastal California." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/28253.

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3

Gous, Werner. "Configurations of a piled row breakwater for a protected shallow water marina." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86710.

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Thesis (MScEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: For the safekeeping or harbouring of small craft, whether for leisure or commercial use, a tranquil basin is the principle requirement in designing a functional harbour facility. Waves transmitted through the perimeter structures of a marina result in agitation of the basin and thereby a reduction in tranquillity. Similarly, waves reflected off the perimeter structures that line entrance channels could result in difficulty when manoeuvring through the entrance channel water areas. An alternative to the conventional bre
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4

Karanci, Ayse. "Statistical And Spatial Approaches To Marina Master Plan For Turkey." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613087/index.pdf.

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Turkey, with its climate, protected bays, cultural and environmental resources is an ideal place for yacht tourism. Subsequently, yacht tourism is increasing consistently. Yacht tourism can cause unmitigated development and environmental concerns when aiming to achieve tourist satisfaction. As the demand for yacht tourism intensifies, sustainable development strategies are needed to maximize natural, cultural and economic benefits. Integration of forecasts to the strategic planning is necessary for sustainable and use of the coastal resources. In this study two different quantitative forecasti
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5

McCandless, Andrew Wright. "Mooring Impacts on Zostera marina Meadows and Associated Epifauna in Nantucket Harbor, Massachusetts, USA." Thesis, Portland State University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10751923.

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<p> Seagrass ecosystems are some of the most productive in the world and provide a variety of ecosystem services but are facing global decline chiefly due to anthropogenic disturbance. Mechanical disturbances to seagrass meadows from anchoring, propeller scars, and mooring scars result in losses or damage to both shoots and the underlying rhizome. I conducted a literature synthesis on the extent of, recovery from, and ecological impacts of these mechanical disturbances to seagrass meadows. The literature suggests that anchoring damage tends to be worst in deeper water where larger vessels anch
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6

Rezende, Jozrael Henriques. "Um estudo sobre a gestão de resíduos e efluentes em marinas, terminais hidroviários de passageiros e embarcações de turismo e lazer no Reservatório de Bariri/Hidrovia Tietê-Paraná." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/3/3135/tde-01082007-172554/.

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Os aspectos ambientais relacionados às atividades cotidianas de marinas de águas interiores, de terminais hidroviários de passageiros, de embarcações de lazer e de turismo e de outras instalações de apoio, como os estaleiros fluviais, indicam a necessidade da adoção de modelos sustentáveis de gerenciamento destas organizações, pois suas atividades ocorrem diretamente nos corpos d\'água e nas margens de rios e reservatórios, áreas estratégicas para o equilíbrio dos ecossistemas aquáticos e protegidas por uma legislação ambiental rigorosa. Este trabalho sugere alternativas tecnológicas e propõe
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7

Tang, Zhaoxiang. "Evaluation of an approximate method for incorporating floating docks in harbor wave prediction models." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2686.

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Computer models are nowadays routinely used in harbor engineering applications. Models based on the two-dimensional elliptic mild-slope equation can simultaneously simulate refraction, diffraction, reflection, and dissipation in completely arbitrary coastal domains. However, floating structures such as floating breakwaters and docks are often encountered in the modeling domain. This makes the problem locally 3- dimensional. Hence it is problematic to incorporate a floating structure into the 2-d model. Tsay and Liu (1983) proposed a highly simplified but approximate approach to handle this pro
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8

Grasselli, Ferrante. "Meiofauna assemblages associated with mussel beds along an urban harbor." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Harbors are extreme examples of coastal urbanization. Artificial substrata in the Ravenna harbour are almost completely dominated by mussel beds. Mussel clumps provide substrata for small mobile fauna (meiofauna). The aim of the thesis is to study the meiofauna associated to the mussels attached to the harbour structures. Moreover, the thesis provides the basis for the construction of a local meiofaunal genetic database, with the final goal of time and cost reduction on meiofaunal assessment through a metabarcoding approach. Mussel beds and associated meiofauna were sampled in two locations of
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9

Di, Bitonto Matteo. "Combined effects of substratum enhancement and seeding techniques on assemblages in artificial harbor habitats." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Coastal urbanization is resulting in shorelines being increasingly built-over and protected by artificial structures which are generally colonized by species poor assemblages dominated by opportunistic organisms. “Eco” approaches integrating ecological research into the design of these structures, such as enhancing substrate complexity and seeding of surfaces with target organisms, provide the chance to improve the structure and function of target-designed novel ecosystems. I tested the effects of two design techniques, specifically tiles mimicking increasing substrate complexity and seeding o
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10

Mugnai, Francesco. "Exploring the distribution and underlying drivers of native and non-native mussel and oyster species in harbour environment." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14697/.

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The increase of human population and their pressures in coastal areas is causing an exponential sprawl of artificial structures in marine areas, leading to the loss of natural habitats. Artificial structures are characterised by low species richness and a prevalence of non-native species compared to natural rocky reefs. Commercial and tourist ports are examples of artificial habitats. Little is known about the distribution and dynamic of the species inhabiting ports, and the factors leading to a prevalence of non-native species in these habitats are still not fully understood. Here, the distri
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11

Vial, Marion. "Dévelοppement d'un cοnsοrtium de biοsalissures nοrmalisés en milieu marin". Electronic Thesis or Diss., Normandie, 2025. http://www.theses.fr/2025NORMC203.

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Les structures immergées en milieu marin sont soumises au développement de biosalissures, une accumulation de micro- et macroorganismes qui est le plus souvent indésirable. Les conséquences de ces biosalissures peuvent être nombreuses (e.g. biodétérioration des matériaux). Lutter contre ce phénomène induit des coûts financiers élevés qui pèsent sur le secteur industriel, d’autant que les contraintes réglementaires et environnementales imposent aujourd’hui d’élaborer des solutions plus respectueuses de l’environnement. L’économie maritime est un secteur important en Normandie, et les travaux de
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12

Cailloux, Damien. "Les Mystères de l'Ouest : les représentations des bas-fonds portuaires dans l'ouest de la France (XIXe-XXe siècles)." Thesis, Paris 1, 2016. http://www.theses.fr/2016PA01H099/document.

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L'image du port mal famé est un thème reconnu dans la culture contemporaine. Elle se construit autour des bouges des quais, des marins en bordée et des prostituées. Ils déterminent la représentation des bas-fonds portuaires, continuité des lieux de misère, du vice et du crime. Espaces spécifiques des villes, leur image est construite par la littérature et la presse, au milieu du XIXe siècle. L'héritage de vision négative des ports, les récits de flibuste, la défiance envers les marins construisent leur représentation. Les bas-fonds de l'Ouest de la France s'inscrivent dans un univers plus larg
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13

Errani, Francesca. "Viral investigation in the Ravenna's harbor: mussels as bioindicators for the presence of Norovirus, Hepatitis A virus and Nervous Necrosis Virus." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/17425/.

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Il porto di Ravenna rappresenta uno dei più grandi porti commerciali Italiani. Si tratta di un ambiente urbanizzato e soggetto ad un’intensa circolazione navale e quindi soggetto a inquinamento e introduzione di specie aliene. La biodiversità in questo ambiente è relativamente alta e include i molluschi bivalvi, specie utilizzata per il biomonitoraggio di contaminanti ambientali grazie alla loro ampia distribuzione, vita sessile, attività di filtrazione e facilità di campionamento. Lo scopo di questo studio è quello di utilizzare i mitili come bioindicatori di contaminazione virale nel porto
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14

Perriquet, Marie. "Characterization of the hydrodynamics and saltwater wedge variations in a coastal karst aquifer in response to tide and precipitation events (Bell Harbour catchment, Co. Clare, Ireland)." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20042/document.

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La côte ouest irlandaise située dans les comtés de Clare et Galway est depuis récemment affectée par une augmentation de la fréquence des inondations et une montée du niveau marin. L'impact de ces changements climatiques se fait particulièrement ressentir au niveau des aquifères karstiques côtiers de ces régions, tel que le bassin karstique de Bell Harbour (~50 km²) sélectionné dans le cadre de ce projet: le positionnement d'un biseau salé dans cet aquifère est clairement dû à l'interaction entre sa recharge liée aux événements pluvieux et la forte influence de la marée. Des données (niveaux d
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15

Quinn, Jason Matthew. "The adequacy of project based EIA for a complex coastal development : the Glenelg/West beach study." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envq44.pdf.

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16

Perrier, Amandine. "Le commerce maritime grec en Méditerranée orientale et en mer Noire aux Vème et IVème s. av. J.-C." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM3024.

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Dans le cadre de cette thèse en archéologie grecque, j’ai entrepris de travailler sur l’organisation du commerce maritime grec en Méditerranée orientale et en mer Noire aux Vème et IVème s. av. J.-C., et principalement sur la nature et l'intensité des échanges qui s'opéraient dans cette partie de la Méditerranée à l'époque. Pour mener à bien mon travail, j'ai constitué un nouveau catalogue des épaves grecques que j'ai ensuite confronté aux sources textuelles, épigraphiques, et archéologiques existantes. L'étude attentive des cargaisons des bateaux à laquelle je me livre participe à une meilleu
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17

Planque, Yann. "Écologie trophique de deux espèces sympatriques de phoques en périphérie de leur aire de répartition." Thesis, La Rochelle, 2021. http://www.theses.fr/2021LAROS032.

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Le phoque veau-marin (Phoca vitulina) et le phoque gris (Halichoerus grypus), deux espèces sympatriques de mammifères marins, sont de plus en plus considérés comme des compétiteurs potentiels, et ce plus particulièrement au cœur de leur distribution européenne. L’objectif de cette thèse est d’étudier les stratégies de chasse et l’écologie trophique de ces espèces en limite de leur aire de distribution (baie de Somme, Manche Est, France), et d’explorer l’hypothèse de compétition interspécifique. Des outils de bio-télémétrie ont été déployés sur 49 individus afin d’obtenir des données sur leurs
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18

Bélisle-Desmeules, David. "La Babylone des marins : Marins hauturiers à Montréal 1851-1896." Thèse, 2016. http://hdl.handle.net/1866/20143.

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19

Stalder, Dominique Sabina. "Influence of environmental drivers on the movement behaviour of harbour porpoises in the North Sea." Master's thesis, 2019. http://hdl.handle.net/10400.3/5137.

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Dissertação de Mestrado, Estudos Integrados dos Oceanos, 18 abril de 2019, Universidade dos Açores.<br>O boto e um pequeno predador marinho com um elevado estatuto de conservação nas águas europeias. Para uma proteção eficaz desta espécie é importante ter conhecimentos detalhados das respostas comportamentais as mudanças das condições ambientais. Neste estudo, investiguei a influência das condições ambientais sobre a variação do comportamento de deslocação de grande escala da população de botos no Mar do Norte. Foram analisados dados de deslocações de 57 indivíduos rastreados por satélite num
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