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Dissertations / Theses on the topic 'Ecosystem Transitions'

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1

Altman, Elizabeth J. "Platform and Ecosystem Transitions: Strategic and Organizational Implications." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:16881891.

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By most conventional measures of corporate success (revenue, market capitalization, global brand growth, etc.) businesses operating as multi-sided platforms (MSPs) and their associated ecosystems constitute the majority of the fastest growing organizations in the global economy. In the strategy and economics fields there is a burgeoning literature related to MSP-governed businesses and their ecosystems primarily focused on pricing, growth, governance, and competitive considerations. Yet, in organizational studies and innovation there is a dearth of research analyzing characteristics of these b
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Rocha, Juan Carlos. "Regime Shifts in the Anthropocene." Doctoral thesis, Stockholms universitet, Stockholm Resilience Centre, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-116894.

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Abrupt and persistent reconfiguration of ecosystem’s structure and function has been observed on a wide variety of ecosystems worldwide. While scientist believe that such phenomena could become more common and severe in the near future, little is known about the patterns of regime shifts’ causes and consequences for human well-being. This thesis aims to assess global patterns of regime shifts in social-ecological systems. A framework for comparing regime shifts has been developed as well as a public forum for discussing knowledge about regime shifts, namely the regime shift database. The most
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Nordemar, Ingrid. "Human Abuses of Coral Reefs- Adaptive Responses and Regime Transitions." Doctoral thesis, Stockholm : Institutionen för systemekologi, Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-250.

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4

Meyer, Daniel. "TRANSITIONS AND RESILIENCE IN THE FROZEN COMMONS : LINKING AQUACULTURE, KRILL FISHERY, GOVERNANCE AND ECOSYSTEM CHANGE IN THE SCOTIA SEA, SOUTHERN OCEAN." Thesis, Stockholms universitet, Stockholm Resilience Centre, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-64512.

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The Antarctic krill (Euphausia superba) is a forage fish species that is increasing inimportance for Southern Ocean fisheries and world aquaculture production. However, thisspecies also has a fundamental role in the Scotia Sea food-web and is the main conservationtarget for the region’s natural resource management organization - the Commission for theConservation of Antarctic Marine Living Resources (CCAMLR). The aim of this thesis istherefore to examine the inter-relationship between CCAMLR, krill fishery and the Scotia Seaecosystem in the Southern Ocean, as well as broader socio-economical a
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Elf, Julia, and Ludvig Svensson. "Standardization in Sustainability Transitions : A Study on Stakeholder Attitudes and Power Relations During the Standardization Process in the Vehicle-to-Grid Ecosystem." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264259.

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The electrification of the transportation sector plays an important role in the sustainability transition as successful electric vehicle (EV) integration allows for the reduction of CO2 emissions. Moreover, bidirectional capabilities of the EVs (vehicle-to-grid) further facilitate this transition by supporting the electricity grid while lowering the cost of ownership of EVs when revenues from grid-supporting services are split between stakeholders. Due to sustainability challenges facing several domains, fundamental transformation processes are needed to transition away from our current global
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de, Schutter Elisabeth Marie Louise, Stefan Giljum, Tiina Häyhä, et al. "Bioeconomy Transitions through the Lens of Coupled Social-Ecological Systems: A Framework for Place-Based Responsibility in the Global Resource System." MDPI AG, 2019. http://dx.doi.org/10.3390/su11205705.

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Bioeconomy strategies in high income societies focus at replacing finite, fossil resources by renewable, biological resources to reconcile macro-economic concerns with climate constraints. However, the current bioeconomy is associated with critical levels of environmental degradation. As a potential increase in biological resource use may further threaten the capacity of ecosystems to fulfil human needs, it remains unclear whether bioeconomy transitions in high income countries are sustainable. In order to fill a gap in bioeconomy sustainability assessments, we apply an ontological lens
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7

Nagel, Franziska. "Mobile Commerce : The retail ecosystem in the technological transition." Thesis, Linnéuniversitetet, Institutionen för organisation och entreprenörskap (OE), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-78383.

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The purpose of this study is to problematize the technological transition from traditional retail to mobile commerce, its following challenges, and its impact on organizations. Further, to highlight what companies need in order to consider the implemention of this technological transition. Finally, this study aims to tackle synergies that are exposed in this study that defines factors which drive the technological transition from traditional retail to m-commerce.
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8

Gill, Wendy Jane. "The spatial characterisation of transitional areas between plant communities : a case study from upland Britain." Thesis, University of Plymouth, 1996. http://hdl.handle.net/10026.1/2196.

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The concept of the ecotone was formalised by Clements (1 905) as a boundary zone between plant communities. Little research exists on the ecological importance or the geographical variability of these zones. Two types of boundaries are acknowledged: the ecotone and the ecocline. The ecotone is a sharp boundary; the ecocline a gradual boundary. The term 'transitional area' is proposed here to more accurately describe these areas as this research demonstrates that a complex continuum exists between the two end points. Additionally, mosaics often complicate the nature of the transition and may fo
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9

Yang, Binbin. "Enhancing User Engagement in Electronic Commerce Through the Transition to a Digital Ecosystem." Thesis, Umeå universitet, Institutionen för informatik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-124532.

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Electronic Commerce (EC) companies are faced with a highly competitive environment today. Strengthening user engagement in digital ecosystems is a promising approach to increasing value co-creation. However, enterprise-oriented user engagement strategies examined in previous studies are relatively inadequate to meet today’s expectations. This paper looks to answer the question, “how to effectively strengthen user engagement to acquire a sustainable value co-creation system in EC.” A plausible user engagement strategy was revealed by analyzing a single case study in the music sector based on de
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10

Lohani, Sapana. "Linking ecosystem services with state-and-transition models to evaluate rangeland management decisions." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/314685.

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Rangelands are a major type of land found on all continents. Though they comprise around 70% of the world's land area, knowledge of rangelands is limited and immature. Rangelands supply humans with food and fiber at very low energy costs compared to cultivated lands. They are inherently heterogeneous, highly variable in time and space. Rangeland management needs to consider the impacts of long-term vegetation transition. It needs a conceptual framework defining potential vegetation communities, describing the management induced transition of one vegetation community to another, and documenting
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11

Picchi, Paolo. "Enhancing the relationship between the landscape of energy transition and the ecosystem services." Doctoral thesis, Università degli studi di Trento, 2015. https://hdl.handle.net/11572/368647.

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Governments adopt strategies to follow the objective Europe 2020 and focus on the development of Renewable Energy Technologies, RET, to improve the transition of the production of energy from fossil fuels sources to renewable energy sources, RES. More than decades before, the energy transition towards renewable energies emerges as a relevant objective of the European governments. The fluctuating prices of oil and the uncertainty on the future supply of fossil fuels open new challenges for communities to actuate an energy transition towards RES. The RET can afflict deeply the landscape structur
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Picchi, Paolo. "Enhancing the relationship between the landscape of energy transition and the ecosystem services." Doctoral thesis, University of Trento, 2015. http://eprints-phd.biblio.unitn.it/1509/1/tesi_paolo_picchi.pdf.

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Governments adopt strategies to follow the objective Europe 2020 and focus on the development of Renewable Energy Technologies, RET, to improve the transition of the production of energy from fossil fuels sources to renewable energy sources, RES. More than decades before, the energy transition towards renewable energies emerges as a relevant objective of the European governments. The fluctuating prices of oil and the uncertainty on the future supply of fossil fuels open new challenges for communities to actuate an energy transition towards RES. The RET can afflict deeply the landscape structur
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13

ROCCA, MARIA. "ECOLOGICAL TRANSITION, BIODIVERSITY AND ECOSYSTEM SERVICES: THE CRUCIAL ROLE OF CONSUMERS AND PRODUCERS." Doctoral thesis, Università degli studi di Genova, 2022. https://hdl.handle.net/11567/1099494.

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Ecological transition is the main solution to climate change and environmental crises. It consists of a transition from an intensive and unsustainable production system to one that is economically, environmentally, and socially sustainable. Its importance has prompted policymakers and international organizations to include it as one of the main goals within national PNRR (Piano Nazionale di Ripresa e Resilienza) and international strategies (European Green Deal). But ecological transition can be reached only through a presence of natural resources variability, indeed, one of the best tools tha
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14

Cobb, Richard C., Katinka X. Ruthrof, David D. Breshears, et al. "Ecosystem dynamics and management after forest die-off: a global synthesis with conceptual state-and-transition models." WILEY, 2017. http://hdl.handle.net/10150/626548.

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Broad-scale forest die-off associated with drought and heat has now been reported from every forested continent, posing a global-scale challenge to forest management. Climate-driven die-off is frequently compounded with other drivers of tree mortality, such as altered land use, wildfire, and invasive species, making forest management increasingly complex. Facing similar challenges, rangeland managers have widely adopted the approach of developing conceptual models that identify key ecosystem states and major types of transitions between those states, known as "state-and-transition models" (S&T
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Carnes, Jennifer L. "Response of Soils and Soil Ecosystems to the Pennsylvanian-Permian Climate Transitionin the Upper Fluvial Plain of the Dunkard Basin, Southeastern Ohio, USA." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1493571336373265.

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16

Meisterhans, Guillaume. "Dynamique de la structure génétique des communautés procaryotes en zone benthique côtière : caractérisation de la microflore des sédiments et des bivalves fouisseurs par empreintes moléculaires." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14494/document.

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Les structures des communautés procaryotes (diversité β) ont été caractérisées au sein de deux compartiments du benthos en milieu littoral: les sédiments et les bivalves fouisseurs.Dans les sédiments de surface, les communautés bactériennes et archéennes ont été ciblées par ARISA (Automated Ribosomal Intergenic Spacer Analysis) et T-RFLP (Terminal-Restriction Fragment Length Polymorphism) sur le gène codant pour l’ARN 16S respectivement. Sur 29 sites des zones intertidale et subtidale du Bassin d’Arcachon, les communautés procaryotes présentaient des patrons de distribution spatiale corrélés à
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Fernández, Méndez Pablo. "Facilitating transitions towards adaptive governance and management in estuarine socio-ecosystems: Institutional analysis and action research in the Doñana region." Doctoral thesis, Universitat de les Illes Balears, 2014. http://hdl.handle.net/10803/287516.

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El impacto acelerado de las actividades humanas está causando el aumento de los daños a los sistemas de soporte vital de la Tierra. En consecuencia, la necesidad de un cambio hacia el uso sostenible de los recursos naturales y los ecosistemas se ha defendido como una necesidad urgente por científicos y tomadores de decisiones. Esta tesis trata sobre las condiciones institucionales necesarias para dicho cambio en sistemas socio-ecológicos, a través de un estudio de caso en profundidad: la región de Doñana. En particular, la tesis se centra en la necesidad de transiciones desde estrategias de ma
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18

Molin, Paulo Guilherme. "Dynamic modeling of native vegetation in the Piracicaba River basin and its effects on ecosystem services." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-06012015-111535/.

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Studies from the Forestry Institute of São Paulo State have shown that in the end of the 20th century, the native forest cover of the state of SP reached the maximum level of forest loss. From that point on, a period of forest increase and expansion started. Industrialization, law enforcement, economic benefits, and social pressure experienced in recent years are believed to be contributing to the preservation and regrowth of the native vegetation cover in certain locations. This study proposed to model the dynamics of native vegetation cover in the Piracicaba River basin (12,500 km²) in the s
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19

Van, Scoyoc Matthew W. "A QUANTITATIVE APPROACH TO THE DEVELOPMENT OF ECOLOGICAL SITES AND STATE-AND-TRANSITION MODELS." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/3075.

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The interaction of land-use and climate can cause non-linear “state” changes in ecosystems, characterized by persistent differences in structure and function. Changes in land-use and climate on the Colorado Plateau may be driving many ecosystems toward undesired states where energy-intensive measures are required to return to previous states. Landscape classification systems based on “ecological potential” offer a robust framework to evaluate ecological conditions. Ecological sites are a popular landscape classification system based on long-term ecological potential and are widely used through
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20

Goss, Charles W. "Influence of forest fragments on headwater stream ecosystems in agricultural landscapes." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1387536064.

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21

Schmidt, Martin [Verfasser], Gunnar [Akademischer Betreuer] Lischeid, Claas [Akademischer Betreuer] Nendel, Gunnar Gutachter] Lischeid, Claas [Gutachter] Nendel, and Christoph [Gutachter] [Thomas. "Fragmentation of landscapes: modelling ecosystem services of transition zones / Martin Schmidt ; Gutachter: Gunnar Lischeid, Claas Nendel, Christoph Thomas ; Gunnar Lischeid, Claas Nendel." Potsdam : Universität Potsdam, 2019. http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-442942.

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Schmidt, Martin [Verfasser], Gunnar [Akademischer Betreuer] Lischeid, Claas [Akademischer Betreuer] Nendel, Gunnar [Gutachter] Lischeid, Claas [Gutachter] Nendel, and Christoph [Gutachter] Thomas. "Fragmentation of landscapes: modelling ecosystem services of transition zones / Martin Schmidt ; Gutachter: Gunnar Lischeid, Claas Nendel, Christoph Thomas ; Gunnar Lischeid, Claas Nendel." Potsdam : Universität Potsdam, 2019. http://d-nb.info/1218405554/34.

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23

Sigovini, Marco <1980&gt. "Multiscale dynamics of zoobenthic communities and relationships with environmental factors in the Lagoon of Venice." Doctoral thesis, Università Ca' Foscari Venezia, 2011. http://hdl.handle.net/10579/1092.

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The thesis focuses on the macrozoobenthic community in the Lagoon of Venice. Main aspects investigated include: spatial and interannual variability of the community structure; the role of environmental factors in structuring benthic communities; spatial scales of variability of the community, also in relationship to variability scales of environmental factors. A three-year data set was analyzed. High interannual variability and spatial heterogeneity was verified. Multivariate structure and univariate descriptors were considerably related to environmental factors. A gradient from sea landwards
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Juhmani, Abdul-Salam Fayiz Ahmed <1984&gt. "Ecological and molecular analyses of macrophyte ecosystems for the assessment of the environmental health of coastal and transitional areas." Doctoral thesis, Università Ca' Foscari Venezia, 2018. http://hdl.handle.net/10579/15026.

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Degradation of coastal and transitional water quality by anthropogenic contaminants is an important concern worldwide. Identifying the patterns of biological response to contamination in the aquatic environment is essential for reliable evaluation of ecosystem health. The present study aims to use macrophytes to assess the ecological health status for marine coastal and transitional environments employing an integrated approach based on ecological indices and biomarkers as well as macrophyte associated microbial communities. The results obtained by the application of Macrophyte Quality index,
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Lascoutx, Ruiz Alfredo. "A Politico-Ecological Approach of Transitional Spaces In Social Ecological Systems." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/41987.

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As spatial properties that systems theoretically have, Socio-Ecological Systems are characterized by dynamism and mobility, therefore, are subject to changes in the space they occupy in the biosphere. In land ecosystems, these changes are understood as processes of evolution over time, or the result of extreme natural events, or transformation of the natural space induced by human activities. These spatial changes produce effects on the land surface and groundwater of ecosystems colonized or penetrated by elements, individuals or populations belonging to other ecosystems. These are the so-cal
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Lima, resque Antônio Gabriel. "Can the concept of ecosystem services facilitate agroecological transition in the Brazilian Amazon? Results from a mixed methods approach in Irituia and Paragominas, Pará state." Thesis, Paris, Institut agronomique, vétérinaire et forestier de France, 2020. http://www.theses.fr/2020IAVF0026.

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La proposition d'un modèle de développement qui concilie la conservation de l'environnement, en particulier des ressources forestières, et le développement socio-économique reste un défi à relever globalement, en particulier dans la région amazonienne. En raison de son ampleur, une attention particulière est portée à la portion brésilienne de l'Amazonie et plus précisément à ses différentes formes d’agriculture en raison de leur importance socio-économique et de leur potentiel d'altération des écosystèmes et des services écosystémiques (SE). Dans ce contexte, l’agriculture familiale apparaît i
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Alochet, Marc. "Rupture technologique et dynamique d’une industrie : la transition vers l’électromobilité Will the scale-up of electric vehicles (EV) disrupt the architecture of the automotive industry? Automobile industry, towards an electric autonomous mobility service industry? A sociotechnical transition-based approach Systemicinnovation and project learning: from firm to ecosystem learning capability How do servitization impact on project management? Some examples from the emergence of MaaS Are Chinese regulations shaping the worldwide EVs industry?" Thesis, Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAX088.

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Des réglementations strictes obligent les constructeurs à investir massivement dans la production de véhicules électriques. L'électrification est une innovation systémique et sa massification devrait perturber la conception dominante des véhicules. "Cette perturbation pourrait-elle déstabiliser durablement l'architecture d’une industrie considérée comme très résiliente ?"Une étude empirique de la chaîne de valeur de la traction électrique, confirme, à ce jour, la résilience de cette industrie dont les constructeurs automobiles restent l'acteur central et que l'électrification seule ne suffit p
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Ntsonde, Joël. "Entre utopie et action collective, comment accompagner la transition des territoires vers l'économie circulaire ? : Le cas de la commande publique dans le secteur de la construction." Thesis, Université Paris sciences et lettres, 2020. http://www.theses.fr/2020UPSLM035.

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L’économie circulaire rencontre un succès grandissant dans la société et apparaît comme un levier majeur pouvant être mis au service de la transition écologique. Mais de manière assez paradoxale, l’engouement actuel autour de ce nouveau modèle semble plus lié à sa dimension utopique qu’à sa solidité scientifique. Ce constat soulève plusieurs questions telles que : pourquoi autant d’acteurs sont attirés par un concept qui reste encore flou ? Qu’est ce que les sciences de gestion peuvent-elles nous apprendre sur ce phénomène ? Comment l’économie circulaire peut-elle contribuer à favoriser une tr
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MANZINI, ALESSANDRA. "Dinamiche di transizione in ecovillaggi del Senegal." Doctoral thesis, Università IUAV di Venezia, 2022. http://hdl.handle.net/11578/319927.

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La ricerca di dottorato è stata un viaggio alla ricerca di intuizioni trasformative multiverso che emergono dal movimento degli eco-villaggi senegalese e da esperienze alternative anti-egemoniche. La domanda da cui sono partita si interroga su cosa possiamo apprendere dalle esperienze di transizione socio-ecologica di successo degli ecovillaggi del Senegal. La prima questione ha generato riflessioni su quali metodi di emersione delle forme di transizione impiegare per includere una pluralità di voci e prospettive. I metodi attivati sono in linea con principi etico-filosofici inspirati al pensi
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Guttal, Vishwesha. "Applications of nonequilibrium statistical physics to ecological systems." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1209696541.

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Derot, Jonathan. "Utilisation des données de MAREL Carnot pour la compréhension des mécanismes des extrêmes dans la qualité des eaux à Boulogne-sur-Mer." Thesis, Littoral, 2014. http://www.theses.fr/2014DUNK0375/document.

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L'objectif principal de cette thèse est la caractérisation des dynamiques hautes fréquance en milieu côtier et en particulier leurs extrêmes, par l'intermédiaire de l'étude de série temporelle biogéochimiques à long terme enregistrées par des systèmes automatisés. Les bases de données hautes fréquences utilisées dans cette étude proviennent majoritairement du programme MAREL, qui a été mise en oeuvre par l'IFREMER. Des séries temporelles basses fréquences provenant des programmes de surveillance du littoral SOMLIT (CNRS, INSU) et SRN (Ifremer) sont mises à contribution pour appuyer l'importanc
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Corti, Roland. "Assèchement des cours d'eau : effets sur les communautés d'invertébrés et la dynamique de la matière organique particulaire." Phd thesis, Université Claude Bernard - Lyon I, 2013. http://tel.archives-ouvertes.fr/tel-00828092.

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Les transitions terrestre-aquatique jouent un rôle primordial dans le fonctionnement des écosystèmes. Dans les cours d'eau qui cessent de s'écouler périodiquement, ces transitions se développent latéralement au travers des zones ripariennes mais aussi longitudinalement le long du lit du cours d'eau. L'objectif de ce travail de thèse était de déterminer les effets de ces transitions terrestre-aquatique dans les lits des cours d'eau sur les communautés d'invertébrés terrestres et sur dynamique de la matière organique particulaire, un processus écologique fondamental au fonctionnement des cours d
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Larose-Filotas, Élise. "Structure et dynamique des communautés multi-espèces : le rôle de l’espace." Thèse, 2009. http://hdl.handle.net/1866/3161.

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Cette thèse porte sur le rôle de l’espace dans l’organisation et dans la dynamique des communautés écologiques multi-espèces. Deux carences peuvent être identifiées dans les études théoriques actuelles portant sur la dimension spatiale des communautés écologiques : l’insuffisance de modèles multi-espèces représentant la dimension spatiale explicitement, et le manque d’attention portée aux interactions positives, tel le mutualisme, en dépit de la reconnaissance de leur ubiquité dans les systèmes écologiques. Cette thèse explore cette problématique propre à l’écologie des communautés, en utilisa
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Lee, Hong-Yuh, and 李鴻裕. "The Transition of Post-3G Mobile Communications Industry In a Global Ecosystem." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/10305990921249821783.

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博士<br>國立交通大學<br>科技管理研究所<br>98<br>The application service of Third Generation (3G) mobile telecommunications is gradually progressing in developed countries. By setting a maximum rate for mobile data service, the European Union (EU) is able to anticipate the substantial growth in the consumers’ mobile internet demand for data transmission in European countries, as well as to integrate the wide range of applications and services into the broadband mobile networks. In the post-3G era, the new technology and innovation is changing the ecosystem of the value chain.For instance, the iPhone with iTun
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Lemos, Ana Brito. "Evaluating ecosystem services trade-offs due to land use changes: transition to an irrigated agriculture landscape." Master's thesis, 2017. http://hdl.handle.net/10451/27672.

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Tese de mestrado em Biologia da Conservação, apresentada à Universidade de Lisboa, através da Faculdade de Ciências, 2017<br>Os serviços dos ecossistemas são os benefícios que o ser humano obtém a partir dos ecossistemas e que são necessários para o seu bem-estar. Estes são classificados pelo Millennium Ecossistem Assessment em quatro categorias principais: provisionamento, suporte, regulação e culturais. As alterações nos ecossistemas (por exemplo alteração do tipo de uso do solo ou poluição) podem ter impacto na capacidade dos ecossistemas produzirem esses serviços. Uma das maiores alteraçõe
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Petersen, Steven Lawrence. "A landscape-scale assessment of plant communities, hydrologic processes, and state-and-transition theory in a Western juniper dominated ecosystem." Thesis, 2004. http://hdl.handle.net/1957/29737.

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Western juniper has rapidly expanded into sagebrush steppe communities in the Intermountain West during the past 120 years. This expansion has occurred across a wide range of soil types and topographic positions. These plant communities, however, are typically treated in current peer-reviewed literature generically. The focus of this research is to investigate watershed level response to Western juniper encroachment at multiple topographic positions. Data collected from plots used to measure vegetation, soil moisture, and infiltration rates show that intercanopy sites within encroached Western
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SICA, FRANCESCO. "Ecosystem services and integrated urban systems. Multi-criteria economic analysis models and optimisation tools to support design processes." Doctoral thesis, 2021. http://hdl.handle.net/11573/1629643.

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Il tema sullo sviluppo urbano sostenibile ricopre un ruolo centrale nelle politiche urbane di molte città europee e non. Le indicazioni dei documenti programmatici dell’Organizzazione delle Nazioni Unite (ONU), dell’Unione Europea e degli Stati Membri della Comunità Europea propongono linee guida al fine di «rendere le città e gli insediamenti umani più inclusivi, sicuri, resilienti e sostenibili». Ad una prima fase in cui il dibattito sulla sostenibilità ha riguardato la necessità di fronteggiare il rapido cambiamento climatico attraverso la salvaguardia e la tutela delle componenti ambiental
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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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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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"Improving Transitional Care for Individuals with Severe Mental Illness: The Role of Narrative Repair." Doctoral diss., 2020. http://hdl.handle.net/2286/R.I.62829.

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abstract: Traditional healthcare narratives have set the stage for the care of the population with Severe Mental Illness (P-SMI). Thus far, two prevailing health strategies anchor services for mental illnesses, acute psychiatric care, and mental health, psychosocial rehabilitation. Between these, care transitions mediate PSMI’s needs and their movements from the hospital to the community and home. However, as individuals with Severe Mental Illness (i-SMI’s) leave the hospital, time is short with little opportunity to make known authentic narratives born out of self-evidence. After transitional
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Masemola, Cecilia Ramakgahlele. "Remote sensing of leaf area index in Savannah grass using inversion of radiative transfer model on Landsat 8 imagery : case study Mpumalanga, South Africa." Diss., 2015. http://hdl.handle.net/10500/19734.

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Savannahs regulate an agro-ecosystem crucial for the production of domestic livestock, one of the main sources of income worldwide as well as in South African rural communities. Nevertheless, globally these ecosystem functions are threatened by intense human exploitation, inappropriate land use and environmental changes. Leaf area index (LAI) defined as one half the total green leaf area per unit ground surface area, is an inventory of the plant green leaves that defines the actual size of the interface between the vegetation and the atmosphere. Thus, LAI spatial data could serve as an indicat
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Knüppe, Kathrin. "Comparative case study analysis of adaptive groundwater governance and management regimes: Exploring ecosystem services in South Africa, Spain and Germany." Doctoral thesis, 2012. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2012102210424.

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Our daily lives depend on the provision of services by different ecosystems in which an important contribution is made by groundwater. To balance competing demands placed on groundwater for socioeconomic and ecological benefits constitute major challenges for water managers. At the policy-science interface the ecosystem service concept represents an appropriate approach to communicate management challenges in which researchers and politicians must take into account human and biophysical characteristics as intertwined systems. This study investigated the complexity of groundwater governance, an
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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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Marques, José Luís Clemente. "Microplastics in the Mondego Estuary and adjacent coastline: Occurrence, characterisation and associated bacterial communities." Master's thesis, 2021. http://hdl.handle.net/10316/97953.

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Dissertação de Mestrado em Bioquímica apresentada à Faculdade de Ciências e Tecnologia<br>A contaminação por microplásticos (<5 mm) é considerada hoje em dia como ubíqua no ambiente e mesmo num cenário futuro extremamente ambicioso (sem mais emissões) irá continuar a aumentar. Assim, é importante avaliar os potenciais riscos e consequências ecológicas que possam advir não só dos níveis atuais de contaminação ambiental por microplásticos, como também em possíveis cenários futuros. Uma das preocupações atuais está relacionada com a possibilidade dos microplásticos abrigarem comunidades bacterian
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Morgan, Leona. "Chroniese moegheidsindroom : 'n ekosistemiese perspektief." Diss., 1996. http://hdl.handle.net/10500/17513.

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Hierdie studie is 'n kwalitatiewe ekosistemiese ondersoek van die fenomeen Chroniese Moegheidsindroom (CMS) . Die paradigmaverskuiwing vanaf die Cartesiaans-Newtoniaanse epistemologie na die kubernetiese epistemologie, het 'n aantal belangrike implikasies vir die bestudering en konseptualisering van CMS, soos uiteengesit in hierdie studie. 'n Bespreking van die konseptualisering en behandeling van CMS vanuit die tradisionele, reduksionistiese navorsing word verskaf. Die aannames van twee-orde kubernetika en sosiale konstruksionisme, is bespreek en toegepas op die beskrywing van twee sistem
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Μουζακίτης, Γιάννης. "Περί συστημικών παρεμβάσεων σε αειφόρα βιομηχανικά οικοσυστήματα υπό το πρίσμα της κοινωνικοτεχνικής προσέγγισης". Thesis, 2008. http://nemertes.lis.upatras.gr/jspui/handle/10889/1537.

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Η ανάπτυξη βιομηχανικών οικοσυστημάτων αποτελεί τη βασική κατεύθυνση της βιομηχανικής οικολογίας, η οποία προβάλλει ως ένα από τα πλέον ολοκληρωμένα μοντέλα αειφόρου ανάπτυξης. Η διδακτορική διατριβή αφορά στις συστημικές παρεμβάσεις που απαιτούνται για τη δημιουργία, συντήρηση και ανάπτυξη βιομηχανικών οικοσυστημάτων ή τεχνολογικών θυλάκων όπως ορίζονται υπό το πρίσμα της κοινωνικοτεχνικής προσέγγισης. Προς αυτήν την κατεύθυνση, η εργασία αποτελεί μια καινοτόμο προσπάθεια, η οποία εστιάζει (σε μίκρο και μάκρο επίπεδο) στα προβλήματα που εμφανίζονται και στις παρεμβάσεις που απαιτούνται κατά
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Schnetzer, Julia Ruth. "Food and sustainability: the sustainable food system index." Master's thesis, 2018. http://hdl.handle.net/10071/17265.

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Sustainable transitions have become the guiding principles of today’s century with food systems at the core of it. Food and nutrition illustrate a basic human need, inevitable for any living organism, and deeply entangled within the ecosystem. Thus, food systems represent predominant endeavours when aiming towards Agenda 2030. In line with displaying complex socio-ecological processes, heavily affected by ongoing interrelations among human and natural components, three categories identify as crucial for sustainable food systems – food security, ecosystem stability and resilience and sociocu
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