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Готові списки джерел за темами / Marine ecosystem assessment / Дисертації

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Дисертації з теми "Marine ecosystem assessment"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Moosa, Naseera. "An updated model of the krill-predator dynamics of the Antarctic ecosystem." Master's thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/25490.

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Анотація:

The objective of this thesis is to update the Mori-Butterworth (2006) model of the krill-predator dynamics of the Antarctic ecosystem. Their analysis aimed to determine whether predator-prey interactions alone could broadly explain the observed population trends of the species considered in their model. In this thesis, the Antarctic ecosystem is outlined brie y and details are given of the main krill-eating predators including whales, seals, fish and penguins, together with an historical record of the human harvesting in the region. The abundances and per capita krill consumption of the krill-

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2

Friedrich, Laura A. "The potential of ecosystem services as an approach for marine stakeholder engagement." Thesis, University of Plymouth, 2017. http://hdl.handle.net/10026.1/9691.

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Анотація:

With growing human pressures on the oceans and seas, the resulting decline of ecosystem health and biodiversity is increasingly limiting the ability of marine ecosystems to provide essential functions and resources for human wellbeing. To prevent further marine degradation, an ecosystem based approach to marine management is needed. An integral part of this is constructive stakeholder engagement. However, in a marine context, engagement is often difficult due to traditionally sectoral management and the complexity of marine issues. This thesis presents an interdisciplinary study that evaluates

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3

Barnes, Tomma Kay. "An Integrated Approach for Evaluation and Assessment of Ecosystem Management and Restoration." NSUWorks, 2006. http://nsuworks.nova.edu/occ_stuetd/88.

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Анотація:

Ecosystem restoration and management seek to repair, improve, or maintain a suite of desired environmental conditions for a specific ecosystem. However, when working on complex ecosystems, where do you start and how can you tell when you are successful? Forecasting ecological effects of restoration scenarios provides a basis for project evaluation and selection of restoration alternatives. Ecological monitoring is essential for assessing ecosystem condition over time. In an integrated approach to adaptive management a forecasting model simulates system response and is validated by monitoring p

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4

Kratzenstein, Claudia [Verfasser]. "Assessment of the One-Shot Strategy for the Calibration of Marine Ecosystem Models / Claudia Kratzenstein." Kiel : Universitätsbibliothek Kiel, 2015. http://d-nb.info/1074870859/34.

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5

Andrade, Mariana Martins de. "Empirical evidence of the role of Ecosystem-Based Management in qualifying Marine Environmental Impact Assessment." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/21/21134/tde-08022019-112312/.

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Анотація:

Externalities caused by human transformations in ecosystems structure and functioning has been threatening environmental quality and social welfare in all socioecological systems, including coastal zones. Environmental Impact Assessment (EIA) is an instrument widely used to evaluate the feasibility of developments and projects that can potentially provoke changes in biophysical-human environment. However, EIA generic and fragmented approach has not properly been considering people and environmental particularities, such processes and benefits to society, in decision making. Ecosystem-Based Man

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6

Lemasson, Anaëlle J. "Ocean acidification and warming impacts on native and non-native shellfish : a multidisciplinary assessment." Thesis, University of Plymouth, 2018. http://hdl.handle.net/10026.1/11656.

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Ocean acidification and warming have been shown to affect a wide range of marine organisms and impact assemblages and ecosystems. Many of the species experiencing negative biological effects provide valuable ecosystem services, yet it is unclear how these biological effects will affect ecosystem services provision. This thesis aimed to appraise the consequences of ocean acidification and warming on important shellfish species, from physiology to provision of ecosystem services, using a multidisciplinary approach. The responses to ocean acidification and warming of two ecologically and commerci

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7

Kumblad, Linda. "Radionuclides in the Baltic Sea : Ecosystem models and experiments on transport and fate." Doctoral thesis, Stockholm : Institutionen för systemekologi, Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-175.

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8

MARKANTONATOU, VASILIKI. "Ecosystem-based management approaches applied to Mediterranean Marine Protected Areas (MPAs): a holistic strategy of governance, ecological assessments and conservation planning in order to inform sound management of marine resources." Doctoral thesis, Università Politecnica delle Marche, 2016. http://hdl.handle.net/11566/242985.

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Ecosystem-based management aims to provide a mechanism for achieving a consensus among multi-sectorial activities for sustaining goods and services and achieving ecological, economic and social objectives in an area. The present study adopts innovative methods and approaches aiming to promote a holistic approach towards collaboration and effective conservation management in Mediterranean Marine Protected Areas (MPAs). In order to understand the current management needs in the Mediterranean MPAs, a management effectiveness evaluation was conducted in the Mediterranean scale following an existin

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9

Álvarez, Berastegui Diego. "Integration of marine habitat information into the study of fish ecology: New approaches for ecosystem based fisheries management." Doctoral thesis, Universitat de les Illes Balears, 2016. http://hdl.handle.net/10803/650392.

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Анотація:

The overexploitation of marine living resources challenges the scientific community for developing new analytical approaches providing effective tools for marine management, ensuring long-term conservation of the harvested and threatened species. Currently, the scientific efforts are mainly focused on the development of techniques and concepts to improve the assessment and management of these populations from a holistic point of view within the framework of the Ecosystem Based Management (EBM). While the principles and objectives of EBM have been accepted by the scientific community and

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10

Loiseau, Charles. "Méthodes pour évaluer la planification de l'espace marin : La gestion des pressions anthropiques au cœur de la conservation des écosystèmes." Electronic Thesis or Diss., Université Paris sciences et lettres, 2024. http://www.theses.fr/2024UPSLP004.

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Анотація:

Face à l'intensification des pressions exercées par les activités humaines sur l'environnement marin, une organisation rationnelle de ces activités est nécessaire pour endiguer la dégradation des écosystèmes sur lesquels reposent l'approvisionnement en biens et services des sociétés humaines. Les concepts récents de l'approche écosystémique et leur prometteuse application à la planification spatiale maritime apportent des réponses à ce défi, mais la complexité du tissu formé par les écosystèmes marins et les usages humains interagissant avec rend difficile l'opérationnalisation de ces approche

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11

Neer, Abbo van [Verfasser], Ursula [Akademischer Betreuer] Siebert, and Gerd [Akademischer Betreuer] Bicker. "Predation of marine mammals by grey seals (Halichoerus grypus) : Assessment of the background, the extent and the potential effects on the ecosystem / Abbo van Neer ; Ursula Siebert, Gerd Bicker." Hannover : Stiftung Tierärztliche Hochschule Hannover, 2019. http://d-nb.info/1191752798/34.

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12

Bas, Adeline. "Analyse de la compensation écologique comme instrument d'internalisation et de lutte contre l'érosion de la biodiversité marine : illustration par l'éolien en mer." Thesis, Brest, 2017. http://www.theses.fr/2017BRES0022/document.

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Анотація:

L’installation des énergies marines renouvelables s’effectue dans le respect des législations environnementales françaises. La séquence Eviter-Réduire-Compenser (ERC) est ainsi appliquée pour aboutir à une non-perte nette de biodiversité. L’objectif de la thèse est de questionner l’efficacité de cette séquence, et plus particulièrement celle de la compensation écologique, en tant qu’instrument d’internalisation et de lutte contre l’érosion de la biodiversité marine. Une approche empirique qualitative a ainsi été mise en oeuvre pour (i) identifier les facteurs écologiques et sociétaux ainsi que

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13

MacPherson, Muriel-Marie [Verfasser], and Christian [Akademischer Betreuer] Möllmann. "Ecosystem Assessment : Developing Environmental and Intrinsic Recruitment Indicators for Cod (Gadus morhua L.), Herring (Clupea harengus L.) and Sprat (Sprattus sprattus L.) in the Baltic and beyond / Muriel-Marie MacPherson ; Betreuer: Christian Möllmann." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2020. http://d-nb.info/1216998205/34.

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14

Langlois, Juliette. "Représentation dans l'Analyse de Cycle de Vie des impacts environnementaux des usages de l'espace marin - illustration sur les activités de pêche et d'algoculture." Thesis, Montpellier, SupAgro, 2013. http://www.theses.fr/2013NSAM0004/document.

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L'Analyse de Cycle de Vie (ACV) est un outil d'évaluation des impacts environnementaux. Il s'agit d'un outil robuste, souvent utilisé en éco-conception. Il permet de prendre en compte des impacts globaux, à toutes les étapes du cycle de vie d'un produit, « du berceau à la tombe ». Actuellement, cette méthode ne permet pas la prise en compte des impacts de l'occupation et de la transformation de l'espace par l'homme en milieu marin. Ce travail de thèse est donc le développement d'une nouvelle catégorie d'impact en ACV pour pallier ce manque : le "sea use". Dans la mesure où peu d'études avaient

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15

Vera, Claudia Cecilia Caro. "Analysis and spatial mapping of marine coastal ecosystem services: integrating biophysical and socioeconomic data at different spatial resolution levels." Doctoral thesis, 2020. http://hdl.handle.net/10316/95258.

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Tese no âmbito do Doutoramento em Biociências, ramo de especialização em Ecologia, apresentada ao Departamento de Ciências da Vida da Faculdade de Ciências e Tecnologia da Universidade de Coimbra.<br>Ecosystem services (ES) are defined as the final outcomes of the internal structures, processes, and functions derived from ecosystems that contribute to human well-being. It is a growing and valuable concept that supports the achievement of Sustainable Development Goals, facilitating connections between people and nature. Nevertheless, although ES have gained representation in science and policy

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16

Sullivan, Colleen M. (Colleen Marie). "Assessment of the potential for conflict between existing ocean space use and renewable energy development off the coast of Oregon." Thesis, 2012. http://hdl.handle.net/1957/30172.

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Анотація:

Oregon's ocean waters are a potential source of wind, wave, and tidal energy; of interest to renewable energy entrepreneurs and to the U.S. government as it seeks to bolster energy security. In order to install technology to capture this energy, however, it may be necessary to mitigate conflict with existing ocean space users. The objective of this research was to construct a conflict analysis model in a GIS to answer the following research questions: (1) Within the study area off the coast of Oregon, where are stakeholders currently using ocean space and how many uses overlap? (2) To what ext

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17

Andrew-Priestley, Megan. "Molluscan biomonitor for quantification and impact assessment of estrogenic and metallic contaminants in Australian marine ecosystems." Thesis, 2011. http://hdl.handle.net/1959.13/921488.

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Research Doctorate - Doctor of Philosophy (PhD)<br>Estrogenic compounds have been identified as a potential cause of reproductive effects in aquatic wildlife worldwide. This thesis was focused on the development of a native Australian species, the Sydney rock oyster Saccostrea glomerata, as a biomonitor of estrogenic compounds in Australian marine ecosystems. Biomarkers of estrogenic exposure in S. glomerata were examined under laboratory and field exposures to estrogenic compound/s. Laboratory exposure of 17α- ethynylestradiol (EE2) to S. glomerata elevated vitellogenin (precursor to the fema

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18

Grech, Alana. "Spatial models and risk assessments to inform marine planning at ecosystem-scales: seagrasses and dugongs as a case study." Thesis, 2009. https://researchonline.jcu.edu.au/8195/1/01front.pdf.

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Анотація:

Informing marine planning and the management of species at ecosystem-scales is difficult because data are generally lacking at that scale. Collecting empirical information on the distribution and/or abundance of species across broad spatial scales is expensive and logistically difficult. Accurate and efficient monitoring programmes that assess the response of species to management actions often cannot be conducted at ecosystem-scales due to time, expertise and cost constraints. The Great Barrier Reef World Heritage Area (GBRWHA) of Queensland, Australia, is the world’s largest World Heritag

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19

Pereira, Filipa Maria de Abreu. "Development of an integrative approach for the characterization of ecological risk on marine transition ecosystems: the Sado Estuary as a case study." Master's thesis, 2014. http://hdl.handle.net/10362/13909.

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Анотація:

Estuaries and other transitional waters are complex ecosystems critically important as nursery and shelter areas for organisms. Also, humans depend on estuaries for multiple socio-economical activities such as urbanism, tourism, heavy industry, (taking advantage of shipping), fisheries and aquaculture, the development of which led to strong historical pressures, with emphasis on pollution. The degradation of estuarine environmental quality implies ecologic, economic and social prejudice, hence the importance of evaluating environmental quality through the identification of stressors and impact

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20

Alves, Ana Sofia Rosa Santos. "Use of benthic meiofauna in evaluating marine ecosystems’ health: How useful can free-living marine nematodes be for Ecological Quality Status (EQS) assessment in transitional waters?" Doctoral thesis, 2015. http://hdl.handle.net/10316/26920.

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Tese de doutoramento em Biociências, apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>Meiobenthos is an important component of estuarine systems since it facilitates biomineralization of organic matter, enhances nutrient regeneration, serves as food for higher trophic levels and exhibits high sensitivity to environmental changes. Recently, the role of meiobenthos and nematodes as indicators of ecological quality and their integration in impact and monitoring studies has been valued, being essential to understand the distribution patterns of these communities

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21

Sward, DL. "Remotely operated vehicles as a platform for quantitative visual surveys of demersal fishes and benthic habitat in temperate marine ecosystems." Thesis, 2022. https://eprints.utas.edu.au/47605/.

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Анотація:

Effective monitoring of marine ecosystems and the redistribution of marine species globally from climate change, overfishing, and other anthropogenic pressures require robust methods for quantifying species, the types of assemblages, and their spatial distributions throughout time. SCUBA diver-based methods that have traditionally been used to monitor these impacts are limited by deep-water (~>35 m) and turbulent environments. This has led to a poor understanding of many remote, offshore ecosystems and marine reserves. Remotely operated vehicles (ROVs) are a novel approach to deep-water survey

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22

MCCLEARY, KATHRYN. "A comparative paleolimnological assessment of the influences of early Arctic population groups on freshwater ecosystems from southern Baffin Island, Nunavut." Thesis, 2011. http://hdl.handle.net/1974/6827.

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Recent paleolimnological research in the eastern Canadian high Arctic on the ecological impact of the Thule c.1000-1500 AD has documented the influence of prehistoric anthropogenic activities. Six lake and pond sites (three pairs) on the south-western coast of Baffin Island, Nunavut, were used to compare impacted and non-impacted sites in the southern-most region of Thule occupation, as well as to compare Thule occupation sites with sites occupied by another early Arctic population group, the Dorset. Tanfield 1 and Tanfield 2 (impacted and control, respectively) are adjacent to several multi

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