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Relevant bibliographies by topics / Estuary management / Dissertations / Theses

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Dissertations / Theses on the topic 'Estuary management'

Author: Grafiati

Published: 20 February 2023

Last updated: 26 July 2025

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1

Caeiro, Sandra Sofia Ferreira da Silva. "Environmental data management in the Sado Estuary." Doctoral thesis, FCT - UNL, 2004. http://hdl.handle.net/10362/1117.

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Estuaries are perhaps the most threatened environments in the coastal fringe; the coincidence of high natural value and attractiveness for human use has led to conflicts between conservation and development. These conflicts occur in the Sado Estuary since its location is near the industrialised zone of Peninsula of Setúbal and at the same time, a great part of the Estuary is classified as a Natural Reserve due to its high biodiversity. These facts led us to the need of implementing a model of environmental management and quality assessment, based on methodologies that enable the assessment of

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2

Crandall, Lucas Earle. "Ecosystem-Based Management in the Morro Bay Watershed and Estuary." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1723.

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The following thesis discusses the implementation of ecosystem-based management, an emerging concept in the field of environmental planning and management, in the Morro Bay watershed and estuary. Ecosystem-based management offers solutions to problems associated with human interaction within the natural environment; former President Barack Obama advised by the National Ocean Council, Pew Oceans Commission Report and the US Commission on Ocean Policy, has mandated implementation of this concept in coastal and marine systems (National Ocean Council, 2016). The theory behind ecosystem-based manag

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3

Hanna, Kevin S. "Integrated resource management, a review and evaluation of the Fraser River Estuary Management Program." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0001/NQ35173.pdf.

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4

McKelvey, Fionnuala. "Population ecology and fisheries management of the native oyster, Ostrea edulis L. in Lough Foyle." Thesis, University of Ulster, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241729.

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5

Perez-Sanchez, Eunice. "Coastal aquaculture and resources management in the Mecoacan estuary, Tabasco, Mexico." Thesis, University of Stirling, 2002. http://hdl.handle.net/1893/21435.

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By dealing with aspects of coastal aquaculture and resources management, an analysis is herein presented at the macro-scale using GIS techniques for the coastal zone of Tabasco state, and at the micro-scale with the description of the characteristics of a coastal community located in the Mecoacan estuary. Transfer of appropriate aquaculture technologies and introduction of sustainable farming systems are major challenges. The total area identified for aquaculture development through the GIS modelling accounted for 23 462 ha, 80% of which were located in the Centla Biosphere Reserve (Centla and

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6

Montgomery, Jacob R. "Foodweb Dynamics in Shallow Tidal Sloughs of the San Francisco Estuary." Thesis, University of California, Davis, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10620274.

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<p> Non-parametric ANOVA tests, ordination, and Bayesian generalized linear models (GLMs) revealed strong physical, chemical, and biological differences among the study sites. Lower trophic foodweb indexes (<i>i.e.</i>, chlorophyll-a (chl-a) concentration, zooplankton biomass, and planktivorous fish abundance) were investigated in association with environmental variables in three terminal sloughs within the upper San Francisco Estuary. Non-metric multidimensional scaling (NMDS) showed tight clustering of data from each site. Kruskal-Wallis tests confirmed the NMDS by identifying statistically-

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Hushlak, Anna A. "Integrating traditional ecological knowledge in South Africa's small-scale fisheries: the Olifants Estuary Gillnet Fishery." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/11608.

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Includes abstract.<br>Includes bibliographical references.<br>Increasingly, managers and scientists are recognizing the importance of understanding small-scale fisheries as complex socio-ecological systems. As a result, managing fisheries is no longer only about managing fish but also about managing people. One mechanism for incorporating the human dimension into small-scale fishery management is knowledge integration. Through pluralising epistemologies, knowledge integration fosters participative dialogue, improves current knowledge bases, and strengthens management...

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8

Boyd, David Miller. "FRNA Coliphages as a Viral Indicator of Sewage Pollution in an Estuary." W&M ScholarWorks, 1990. https://scholarworks.wm.edu/etd/1539617616.

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9

Waldron, Miranda Elizabeth. "The importance of water levels in the management of the Klein River Estuary, Hermanus." Master's thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/15848.

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Bibliography: pages 85-89.<br>The Klein River Estuary is situated at Hermanus in the Western Cape, South Africa. The estuary mouth is normally closed by a sand berm during the summer and open to the sea during the wetter winter months. The estuary forms a shallow lagoon which is becoming increasingly popular for recreational activities. Several management problems have arisen which are now becoming important with the increase in recreational pressure. The main problems are: uncertainty about appropriateness of water levels, marine sand influx and accumulation, flooding of low lying development

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10

Goodhue, Nigel David. "Hydrodynamic and water quality modelling of the lower Kaituna River and Maketu Estuary /." The University of Waikato, 2007. http://hdl.handle.net/10289/2375.

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The Maketu Estuary is a shallow intertidal estuary (2.3 km2) located in the Bay of Plenty, North Island, New Zealand. The Kaituna River contributes the largest freshwater flow into the estuary through control gates. Lake Rotoiti and indirectly Lake Rotorua supply the base flow to the Kaituna River, with tributaries along the 50 km reach also significantly contributing to the flow. Water quality within the river is affected by elevated nutrients, faecal coliforms, high oxygen demand and algae concentrations derived from the lakes as well as contributions from tributaries and industrial and urba

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11

Fifield, Michael John. "Morphology, Dynamics and Hazard Management of the New River Lagoon, Westland, New Zealand." Thesis, University of Canterbury. Geography, 2012. http://hdl.handle.net/10092/7232.

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Coastal lagoon systems are complex and dynamic environments that respond rapidly to the changes of fluvial, marine, climatic and anthropogenic influences. The purpose of this research was to investigate the morphology and dynamics of the New River Lagoon before and after the implementation of engineering outlet management using a methodological framework to analyse active process environments. This information was then used to determine the functional effectiveness of engineering management at reducing the risk of flooding and erosion to the local community and imposing minimal impacts on the

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12

Smith, Jansen A., Daniel A. Auerbach, Karl W. Flessa, Alexander S. Flecker, and Gregory P. Dietl. "Fossil clam shells reveal unintended carbon cycling consequences of Colorado River management." ROYAL SOC, 2016. http://hdl.handle.net/10150/622496.

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Water management that alters riverine ecosystem processes has strongly influenced deltas and the people who depend on them, but a full accounting of the trade-offs is still emerging. Using palaeoecological data, we document a surprising biogeochemical consequence of water management in the Colorado River basin. Complete allocation and consumptive use of the river's flow has altered the downstream estuarine ecosystem, including the abundance and composition of the mollusc community, an important component in estuarine carbon cycling. In particular, population declines in the endemic Colorado de

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13

Magobiane, Siyathemba Emmanuel. "Willingness to pay for water quality changes in the Swartkops Estuary." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/d1011505.

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South Africa, like the rest of the world, is vulnerable to the impact of climate change and loss of biodiversity. Water pollution is one of the six global threats to freshwater biodiversity. The future health status and productivity of South Africa’s estuaries is dependent on two main factors: management and quality and quantity of freshwater inputs. South Africa has around 250 functioning estuaries along its 3000 km coastline (Hosking 2004). They play an invaluable role in ecosystem functioning and biodiversity conservation. Estuaries are amongst the richest and most productive parts of the m

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Richardson, Bree Lacey. "HYDROLOGICAL AND BIOGEOCHEMICAL MECHANISMS DRIVING NITROGEN AND PHOSPHORUS RETENTION IN A FRESHWATER ESTUARY." Kent State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1529269594773022.

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15

Chion, Clément. "An agent-based model for the sustainable management of navigation activities in the Saint Lawrence Estuary." Mémoire, École de technologie supérieure, 2011. http://espace.etsmtl.ca/879/1/CHION_Cl%C3%A9ment.pdf.

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Les gestionnaires de ressources naturelles dans les aires protégées se doivent d’encadrer les activités humaines susceptibles de menacer la santé et/ou l’intégrité des écosystèmes à protéger. Ces systèmes physiques où des humains interagissent avec des ressources naturelles sont appelés systèmes socio-écologiques (SSE) et possèdent les caractéristiques de systèmes complexes adaptatifs (p. ex. coévolution). L’investigation du SSE constitué des activités de navigation et des baleines interagissant dans le parc marin du Saguenay–Saint-Laurent (PMSSL) et la zone de protection marine Estuaire

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Daniels, Fahiema. "The effects of catchment management and salinity on the dominant macro-algae in the Bot River estuary." Thesis, University of Cape Town, 2004. http://hdl.handle.net/11427/26647.

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Harvey, Alice Lindiwe. "An investigation of the pollution contribution of catchments surrounding the Knysna Estuary, with implications for stormwater management." Master's thesis, Faculty of Engineering and the Built Environment, 2019. http://hdl.handle.net/11427/31254.

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The Knysna Estuary is ranked highest in South Africa for conservation importance and is a haven for endemic marine species. The ecosystem services provided by the estuary include significant biodiversity value and amenity value for residents and tourists. The economy of Knysna is reliant on tourism, which in turn is dependent on ecosystem services. The health of the Knysna Estuary is currently threatened by poor water quality. If the water pollution can be addressed, ecosystems can be protected and significant social and economic costs of environmental degradation can be avoided. The pollution

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18

Sutherland, Kate. "The dynamics of Larval fish and Zooplankton assemblages in the Sundays Estuary, South Africa." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1119.

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The larval fish and zooplankton assemblages were studied in the permanently open Sundays Estuary on the south-east coast of South Africa, using standard boat-based plankton towing methods. A total of 8174 larval and early juvenile fishes were caught, representing 12 families and 23 taxa. The Clupeidae, Gobiidae and Blenniidae were the dominant fish families. Common species included Gilchristella aestuaria, Caffrogobius gilchristi, Omobranchus woodi, Liza dumerilii, Glossogobius callidus and Myxus capensis. Estuarine resident species (Category I) predominantly in the preflexion developmental st

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19

Weston, Johanna Nadia Jean. "Quantification of nitrate sources and sinks using a water quality network in Morro Bay Estuary, California." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/634.

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Using an instrumented water quality network in Morro Bay Estuary, California from 2007 to 2010 (15 min sampling frequency), this study addressed the two objectives of constructing a nitrate budget and assessing the influence of sampling frequency on water quality parameters. These two objectives led to the submission of an original report of research (Appendix A) and a note (Appendix B) to peer-reviewed journals. The first objective was to characterize the high spatial and temporal variation in physical parameters and nitrate concentrations and to construct a nitrate budget quantifying source

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Mlangeni, Moses Mbendela. "A contingent valuation of river water inflows into the Swartkops, Kariega, Mngazi and Mngazana Estuaries in the Eastern Cape." Thesis, Nelson Mandela Metropolitan University, 2007. http://hdl.handle.net/10948/569.

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Many South African estuaries are currently believed to be generating lower levels of services than they used to in the past due to substantially reduced inflow of river water, among other reasons. The basis by which river water is allocated in South Africa has had to be re-examined. Local authorities are now required to integrate into their development planning sensitivity to the ways estuaries work; the relevant legislation being the Municipal Systems Act No. 32 of 2000. Sound water resource management requires that the benefits and costs of different water allocations be compared and an opti

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Rajkaran, Anusha. "A status assessment of mangrove forests in South Africa and the utilization of mangroves at Mngazana Estuary." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1547.

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In South Africa mangrove forests are located in estuaries from Kosi Bay in KwaZulu-Natal (KZN) to Nahoon Estuary in the Eastern Cape. The aims of this study were to determine the present state of mangroves in KwaZulu-Natal, by assessing the current population structure, the changes in cover over time and associated anthropogenic pressures. A second objective of this study was to determine the effect of harvesting on the population structure and sediment characteristics in the Mngazana mangrove forest. To determine if harvesting was sustainable at Mngazana Estuary; the growth and mortality rate

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22

Moreira, Miguel Alexandre Ribeiro. "Assessing the balance between biodiversity conservation and coastal and estuarine management of the Sado Estuary Natural Reserve, Portugal, using BIO-SAFE." Master's thesis, Faculdade de Ciências e Tecnologia, 2010. http://hdl.handle.net/10362/4987.

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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do grau de Mestre em Engenharia do Ambiente, perfil de Engenharia Ecológica<br>Coastal and Estuarine management is one emergent topic nowadays. Physical reconstruction and management plans are currently being executed where the major goals are flood risk reduction,ecological rehabilitation and economic development. The ecological consequences of these measures must be evaluated in a way that ensures attuning of policy goals concerning conservation of biodiversity. The estuarine systems

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23

Kramer, Rachel. "Towards an alternative spatial-based management approach for estuarine fisheries in South Africa, with a case study from the Sundays Estuary." Thesis, Rhodes University, 2016. http://hdl.handle.net/10962/1007.

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Estuaries are productive habitats and biologically important ecosystems which serve as juvenile nursery areas and feeding grounds for adults from a host of fish species. They are, however, threatened habitats, increasingly exposed to human disturbance and exploitation. The stocks of several South African estuary-dependent linefish species are now considered as either overexploited or collapsed. It is clear that their dependence on estuaries would warrant the inclusion of these ecosystems into marine reserve planning exercises. Since traditional management strategies (e.g. bag and size limit re

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O'Connell, Bronwyn Anne. "Home range dynamics of spotted grunter, pomadasys commersonnii, in a South African intermittently open estuary." Thesis, Rhodes University, 2008. http://eprints.ru.ac.za/1289/.

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25

Regier, Peter. "Linking Organic Matter Dynamics to Management, Restoration, and Climate in the Florida Everglades." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3385.

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The Florida Everglades is a massive and highly managed subtropical wetland ecosystem, strongly influenced by anthropogenic control of freshwater distribution and highly susceptible to a changing climate, including rising sea-level and changes in temperature and rainfall. Shifting hydrologic regimes impact ecosystem function and biogeochemistry, which in turn control the sources, fate, and transport of organic matter. As a master environmental variable, it is essential to understand how organic matter dynamics will respond to changes in the balance between freshwater and saltwater associated wi

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Donald, Ian R. "A preliminary assessment of the hydrodynamics of the Touw River and Wilderness Lakes system with emphasis on the management of the estuary mouth." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85775.

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Thesis (MEng)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: The Touw River estuary and Wilderness coastal lakes is a sensitive system from a flooding and ecological viewpoint and, therefore, careful consideration is placed on the hydrodynamics and salinity levels within the system. The estuary consists of a “temporary open/closed” estuary, where during closed mouth conditions, the sand bar at the estuary mouth is artificially managed in an attempt to reduce flood water levels in the system. The reason behind this management strategy is the construction of residential property al

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DeJong, Benjamin D. "Using The Past As The Key To The Present: Informing Coastal Resource Management With Geologic Records." ScholarWorks @ UVM, 2015. http://scholarworks.uvm.edu/graddis/354.

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Rising sea levels present an ongoing threat to communities and resources around the Chesapeake Bay, east coast, USA, where tide gauges indicate that the relative rise of sea level is approximately twice the rate of average, eustatic sea-level rise. This has significantly compromised the health and viability of salt marsh habitat on the Eastern Shore during the 20th century, and the biologists who are charged with managing coastal resources in the coming decades need to understand the nature and causes of high rates of regional sea-level rise to develop suitable adaptation plans. Dated geologic

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AYO-BALI, ABIODUN Emmauel. "Geochemical Analysis of the Environmental Phases of La Barra de Santiago Estuary, El Salvador." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1556804693894507.

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Lilyea, Bruce Victor. "Stakeholder Perceptions of Sustainable Value and Water Conservation: A Case Study of Social, Environmental, and Economic Concerns in the Rookery Bay Estuary." NSUWorks, 2015. http://nsuworks.nova.edu/shss_dcar_etd/27.

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Stakeholders’ perceptions of social, environmental, and economic concerns in the Rookery Bay Estuary were examined through this research. The purpose of this study was to discover the shared value and common resolution responses for the people of the Rookery Bay area that can extend to other local environmental management scenarios. Using Stakeholder Theory, Rational Choice Theory, Symbolic Interactionism, and Systems Theory as theoretical foundation, the following research questions were considered: RQ1) What are the points of shared value of community stakeholders facing environmental manage

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Mathie, Devan M. "Assessing an In-Situ Total Algae Sensor Fluorometer for Performance in Freshwater Estuaries." Kent State University Honors College / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ksuhonors1588015130835849.

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31

Jones, Sarah Nichola. "A study of the population dynamics and reproductive cycle of the common cockle, Cerastoderma edule in a Cornish estuary, with respect to an ecosystem approach and a proposal for management." Thesis, University of Exeter, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367376.

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D'angelis, Igor Alex Binder. "O conhecimento ecológico local como ferramenta na gestão pesqueira participativa: um estudo de caso com os marisqueiros de Livramento, Santa Rita-PB." Universidade Federal da Paraíba, 2014. http://tede.biblioteca.ufpb.br:8080/handle/tede/4551.

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Made available in DSpace on 2015-05-07T14:49:27Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2942391 bytes, checksum: aeab9e5e6d2f91277c8833b70db5c0dc (MD5) Previous issue date: 2014-02-15<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>One of the most significant ecosystems in coastal areas in tropical regions is the mangrove-estuary complex. Artisanal fishers are the main users of mangrove resources. In Brazil artisanal fisheries are based on species that live or spend significant portion of their life cycle in these environments. Therefore fisheries managemen

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Muller, Matthew Justin. "Linking institutional and ecological provisions for wastewater treatment discharge in a rural municipality, Eastern Cape, South Africa." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1013048.

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The Green Drop Certification Programme, launched in 2008 alongside the Blue Drop Certification Programme, aims to provide the Department of Water Affairs with a national overview of how municipalities and their individual wastewater treatment works (WWTW) are complying with licence conditions set by the National Water Act (NWA) (No. 36 of 1998; DWAF 1998) and the Water Services Act (No. 108 of 1997; DWAF 1998). By publishing the results of each municipality’s performance, the programme aims to ensure continuous improvement in the wastewater treatment sector through public pressure. The program

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Baptista, Vicente Baeta Alexandra. "Réseaux trophiques des écosystèmes intertidaux : étude par les isotopes stables et l'analyse des réseaux." Phd thesis, Université de La Rochelle, 2010. http://tel.archives-ouvertes.fr/tel-00579775.

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Cette thèse de Doctorat examine le réseau trophique estuarien lié aux herbiers à zostères, Zostera noltii et quantifie le rôle trophique des consommateurs de la macrofaune benthique, dans deux zones intertidales de l'estuaire du Mondego, à différentes périodes de 1993 à 2008. Elle s'intéresse spécifiquement (i) à l'incorporation de l'azote issu des activités humaines, en considérant l'assimilation d'azote comme un indicateur de l'eutrophication et (ii) au rôle des zostères dans le réseau trophique benthique. Six modèles ont été développés afin d'analyser les effets, (i) d'un enrichissement en

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Sinnott, Tyler King. "Eelgrass (Zostera marina) Population Decline in Morro Bay, CA: A Meta-analysis of Herbicide Application in San Luis Obispo County and Morro Bay Watershed." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2236.

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The endemic eelgrass (Zostera marina) community of Morro Bay Estuary, located on the central coast of California, has experienced an estimated decline of 95% in occupied area (reduction of 344 acres to 20 acres) from 2008 to 2017 for reasons that are not yet definitively clear. One possible driver of degradation that has yet to be investigated is the role of herbicides from agricultural fields in the watershed that feeds into the estuary. Thus, the primary research goal of this project was to better understand temporal and spatial trends of herbicide use within the context of San Luis Obispo (

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Swan, Rachel. "An Academic Assessment of the National Performance Network and Visual Artists Network: An Internship Academic Report." ScholarWorks@UNO, 2015. http://scholarworks.uno.edu/aa_rpts/181.

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This academic report was composed at the conclusion of a 480 hour internship with the National Performance Network/Visual Artists Network (NPN/VAN), summarized in Chapter Two. This report includes NPN/VAN’s mission, history, and organizational structure within Chapter One. Chapter Three is a SWOT analysis, and Chapter Four includes a summary of best practices, highlighting NPN/VAN’s intermediary and network structure. In conclusion, a series of suggestions are offered for further consideration.

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Bonini, Nick. "Comparison of VNIR Derivative and Visible Fluorescence Spectroscopy Methods for Pigment Estimation in an Estuarine Ecosystem: Old Woman Creek, Huron, Ohio." Kent State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=kent1382838748.

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Ekouala, Landry. "Le développement durable et le secteur des pêches et de l'aquaculture au Gabon : une étude de la gestion durable des ressources halieutiques et leur écosystème dans les provinces de l'Estuaire et de l'Ogooué Maritime." Phd thesis, Université du Littoral Côte d'Opale, 2013. http://tel.archives-ouvertes.fr/tel-00840968.

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À l'échelle mondiale, la pêche maritime est caractérisée par une surexploitation des ressources disponibles dans les différentes pêcheries ayant des impacts très importants sur l'écosystème marin et côtier. Cette surpêche est facilitée par le progrès technique et par une demande de consommation en constante augmentation, notamment dans les pays développés. Pour faire face à cette évolution, des politiques de gestion durable de ces ressources halieutiques sont progressivement mises en place, allant des approches conventionnelles (gestion des stocks exploités) à l'approche écosystémique des pêch

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Sousa, Lisa Pinto de. "Model to integrate ecosystem services into the planning process." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/21697.

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Doutoramento em Ciências e Engenharia do Ambiente<br>Triggered by the Millennium Ecosystem Assessment, among other seminal publications, ecosystem services research has experienced an almost exponential growth over the past two decades. Since then, ecosystem services have become widespread and the concept has been used in different disciplines, separately and in collaboration, to address complex socioecological problems. These efforts were accompanied at political level with a number of international and European initiatives, such as the creation of the Intergovernmental Platform on Bio

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Knudsen, Richard Ray. "A Study on the Integration of Multivariate MetOcean, Ocean Circulation, and Trajectory Modeling Data with Static Geographic Information Systems for Better Marine Resources Management and Protection During Coastal Oil Spill Response – A Case Study and Gap Analysis on Northeastern Gulf of Mexico Tidal Inlets." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5974.

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The Oil Pollution Act of 1990 requires the development of Regional and Area Contingency Plans. For more than 20 years, the State of Florida, under both the Department of Environmental Protection and the Florida Fish and Wildlife Commission, has worked closely with the U.S. Coast Guard and the National Oceanic and Atmospheric Administration to develop these plans for coastal and marine oil spill response. Current plans, developed with local, state and federal stakeholder input, use geographic information systems (GIS) data such as location and extent of sensitive ecological, wildlife, and human

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Bonini, Nick. "Assessing the Variability of Phytoplankton Assemblages in Old Woman Creek, Ohio." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1469959717.

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Santos, SÃlvia Helena Lima dos. "AplicaÃÃo da teoria dos nÃmeros difusos em um modelo de operaÃÃo de reservatÃrio, para estudar o comportamento da vazÃo regularizada e do rendimento." Universidade Federal do CearÃ, 2008. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=1367.

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FundaÃÃo de Amparo Ã Pesquisa do Estado do CearÃ<br>Este trabalho trata da aplicaÃÃo da Teoria Fuzzy em balanÃo hidrolÃgico de um reservatÃrio, para avaliar sua capacidade de previsÃo, na determinaÃÃo do cÃlculo do risco de falha de sistemas compostos por este tipo de corpo hÃdrico. No desenvolvimento da pesquisa, uma metodologia, transformando as equaÃÃes do balanÃo hidrolÃgico em equaÃÃes fuzzys, foi aplicada. ParÃmetros como tempo de esvaziamento e evaporaÃÃo foram considerados como funÃÃes de pertinÃncias dando, assim, ao modelo um carÃter fuzzy em suas formulaÃÃes. A vazÃo e o rendimento

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Touili, Nabil. "Adaptation des zones côtières aux changements climatiques : Cadre opérationnel de renforcement de la résilience, appliqué à la gestion des risques d’inondation au niveau de l’estuaire de la Gironde, France." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLV104/document.

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Cette thèse doctorale porte sur la gestion des risques d’inondation et des capacités d’adaptation des zones côtières, notamment face au changement climatique. Le contexte actuel est tel que la vulnérabilité face aux aléas d’inondation est amplifiée par les phénomènes du changement climatique et par la forte exposition, des personnes et des biens, en zones à risques. Sous le cadre général du projet européen Theseus ’’Innovative technologies for safer European coasts in a changing climate’’, ce travail de recherche s’est, en particulier, appuyé sur une étude de cas en France : l’estuaire de la G

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Laskowski-Fauvet, Natacha. "Approche bioéconomique et gestion intégrée des zones humides." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0074/document.

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L'objet de cette thèse est de se demander comment améliorer la gestion des zones humides etdes biens/services associés. En intégrant les connaissances pluridisciplinaires aux modèles degestion, nous étudions l'économie comme un outil au service de l'Homme et de la Nature.Nous proposons d'améliorer la gestion des zones humides en combinant une approcheéconomique à une approche biologique de manière à pouvoir rendre compte de la complexitéde ces milieux dans les modèles économiques. Pour ce faire, nous basons cette thèse surl'étude des fonctions écosystémiques fournies par les zones humides, que

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Jamieson, Marion Lea. "Local control over local resources habitat management in the Fraser Estuary." Thesis, 1991. http://hdl.handle.net/2429/3183.

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This thesis approaches the issue of local control over local resources from the perspective of municipal and regional government involvement in habitat conservation. Using the Fraser River estuary as a case study area, the expanding role of local governments is described in order to examine the relationship between local and senior levels of government. The objective is to assess whether redistributing power between these levels of government would improve habitat management in the estuary. Improved habitat management is defined as a more democratic process of allocating costs and benefits as

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Pillay, Renelle Karen. "An integrated study of the Isipingo River and Estuary : water and sediment quality, estuary-nearshore material fluxes, anthropogenic impacts and management." Thesis, 2013. http://hdl.handle.net/10413/10130.

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The Isipingo River and Estuary system located in the province of KwaZulu-Natal, although relatively small, has been subjected to the impacts of intense development within the catchment. The catchment is characterized by informal and formal dwellings and intensive industrial activities in the lower catchment and in close proximity to the estuary. Significant modifications to the hydrology of the system has occurred as a result of the diversion of the Umlazi River (which previously merged with the Isipingo River at the estuary mouth), canalization of the lower portion of the Isipingo River flowi

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Slovak, Sarah. "Regional water planning and the National Estuary Program." Thesis, 2006. http://hdl.handle.net/2152/22560.

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Water availability, supply, accessibility, and quality issues are becoming urgent issues around the globe. Planning and management of water resources is both complicated and different in every state for every type of water resource. Estuaries are among the most important ecosystems in the world, in terms of their ecological and economic value. The many problems facing estuaries across the nation led to an effort by the Environmental Protection Agency (EPA) to protect these valuable resources and to characterize their conditions. The National Estuary Program (NEP) was established in 1987, under

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Chapman, JD. "Controlling pollution in the Derwent Estuary, Tasmania : issues of standards and management." Thesis, 1992. https://eprints.utas.edu.au/18808/1/whole_ChapmanJulietDorothy1992_thesis.pdf.

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The Derwent estuary, Tasmania has been described as one of the most polluted estuaries in Australia, yet it supports a population of only 172 000 people and has only 3 major industries discharging effluent into its waters. This study aims to provide an historical overview of the use of the estuary that has caused it to receive such a reputation and to examine the responses by governments to controlling pollution since the problems were recognised in the early 1970's. A review of the major reports by scientists and other professionals concerning the impacts of pollution on the estuarine

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McNaney, Kevin Colin. "Swimming upstream : citizen involvement in the Fraser River Estuary Management Program (FREMP)." Thesis, 2000. http://hdl.handle.net/2429/11392.

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From the inception of the Fraser River Estuary Management Program (FREMP) in 1985, FREMP has continually espoused a shared-decision making approach to managing this fertile and rapidly developing estuary. While FREMP has been arguably quite successful in facilitating collaboration and shared-decision making among the various levels of government in the region, the nongovernmental community (including environmental and community groups, academia, industry and the general public) has only had occasional and unsatisfactory involvement in these decision making processes despite continued pro

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Suzuki, Yasuko. "Piscivorous colonial waterbirds in the Columbia River estuary : demography, dietary contaminants, and management." Thesis, 2012. http://hdl.handle.net/1957/28030.

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Caspian terns (Hydroprogne caspia) and double-crested cormorants (Phalacrocorax auritus) nest in large colonies on East Sand Island in the Columbia River estuary, the largest known colonies for the two species in the world. Both species of piscivorous colonial waterbirds have been identified as predators with a significant impact on the survival of juvenile salmonids (Oncorhynchus spp.) listed under the U.S. Endangered Species Act. To better understand and address issues related to seabird-fisheries interactions in the Columbia River estuary, I conducted studies related to the ecology, conserv

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