Relevant bibliographies by topics / Estuarine environments

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Academic literature on the topic 'Estuarine environments'

Author: Grafiati
Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Estuarine environments"

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da Silva, Renan B., Giovanni A. P. Dos Santos, Ana Luiza L. de Farias, Débora A. A. França, Raianne Amorim Cavalcante, Eliete Zanardi-Lamardo, Jose Roberto Botelho de Souza, and Andre M. Esteves. "Effects of PAHs on meiofauna from three estuaries with different levels of urbanization in the South Atlantic." PeerJ 10 (December 2, 2022): e14407. http://dx.doi.org/10.7717/peerj.14407.

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Estuarine environments are suggested to be the final receivers of human pollution and are impacted by surrounding urbanization and compounds carried by the river waters that flow from the continent. Polycyclic aromatic hydrocarbons (PAHs) are among the contaminants that can reach estuaries and can directly affect marine conservation, being considered highly deleterious to organisms living in these environments. This research investigated the meiofauna of three estuaries exposed to different levels of urbanization and consequently different levels of PAH concentrations, in order to assess how these compounds and environmental factors affect the distribution, structure and diversity of these interstitial invertebrates. A total of 15 major meiofauna groups were identified, with Nematoda being the dominant taxon (74.64%), followed by Copepoda (9.55%) and Polychaeta (8.56%). It was possible to observe significant differences in all diversity indices studied in the estuaries. With the exception of average density, the diversity indices (richness, Shannon index and evenness) were higher in the reference estuary, Goiana estuarine system (GES). On the other hand, the Timbó estuarine system (TES) had the lowest Shannon index value and richness, while the Capibaribe estuarine system (CES) had the lowest evenness value. The latter two estuaries (TES and CES) presented intermediate and high levels of urbanization, respectively. The ecological quality assessment (EcoQ) in the studied estuaries was classified from Poor to Moderate and the estuary with the lowest demographic density in its surroundings, GES, showed a better ecological quality (Moderate EcoQ). A significant distance-based multivariate linear modelling regression (DistLM) was observed between the environmental variables and the density of the meiobenthic community, where PAHs and pH were the main contributors to organism variation. The sediments were characterized by predominance of very fine sand and silt-clay in the most polluted environments, while the control site environment (GES) was dominated by medium grains. The highest concentrations of PAHs were found in the most urbanized estuaries, and directly affected the structure of the interstitial benthic community. The metrics used in the present study proved to be adequate for assessing the environmental quality of the investigated estuaries.
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O'Mara, K., A. Miskiewicz, and M. Y. L. Wong. "Estuarine characteristics, water quality and heavy metal contamination as determinants of fish species composition in intermittently open estuaries." Marine and Freshwater Research 68, no. 5 (2017): 941. http://dx.doi.org/10.1071/mf15409.

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Estuaries are critical aquatic environments that are used by many fish during their life cycle. However, estuaries often suffer from poor water quality as a result of anthropogenic activities. Fish diversity studies in estuaries are common, although few have examined whether correlations exist between water quality, metal contamination and fish assemblages. In the present study we investigated the effect of abiotic conditions, heavy metals and estuary characteristics on the abundance, diversity and composition of fish in four intermittently open estuaries along the Illawarra coast of south-eastern Australia. The heterogeneity of environmental conditions was reflected in the fish assemblages in each estuary. Environmental variables predicted fish species composition, and estuaries in particularly poor condition contained few species (estuarine residents) in high abundance, indicating their ability to acclimatise and survive in conditions that are hostile to other species. Overall, these findings demonstrate that estuarine fish assemblages may be useful indicators of estuary condition and reveal the importance of managing anthropogenic activities in the surrounding catchment to improve water quality so that biodiversity of fish can be restored in these estuarine environments.
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Nayak, Ganapati Narayan. "Changing Tropical Estuarine Sedimentary Environments with Time and Metals Contamination, Cest Coast of India." Journal of The Indian Association of Sedimentologists 38, no. 2 (December 31, 2021): 63–78. http://dx.doi.org/10.51710/jias.v38i2.141.

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Estuaries are one of the major sub-environments of the coastal zone wherein freshwaters interact and mix with saline waters, and facilitate deposition of finer sediments, organic matter, and metals. Intertidal mudflat and mangrove sediment cores collected from estuaries along the central west coast of India were investigated for various sedimentological and geochemical parameters to understand the changes in the sedimentary depositional environments and various factors influencing the processes. Additionally, estuarine biota was examined to understand the bioaccumulation of metals with respect to bioavailability. The results indicated considerable changes in the depositional environments with time owing to sea-level changes; geomorphology of the estuaries; rainfall and river runoff; anthropogenic activities including construction of dams and bridges. The sediments in the estuaries are considerably polluted by metals and pose toxicity risks to the estuarine biota due to high metal bioavailability. Marine gastropods and mangrove plants act as prospective bio-indicators, and the bioremediation potential of mangroves for contaminated sediments was identified. Metal bioaccumulation in edible benthic biota can be harmful to the human health.
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McCall, Grant S., Russell Greaves, Robert Hitchcock, Brian Ostahowski, Sherman W. Horn, and Muhammad I. Rehan. "The Estuarine Ecological Knowledge Network: Future Prospects." Marine Technology Society Journal 55, no. 3 (May 1, 2021): 122–23. http://dx.doi.org/10.4031/mtsj.55.3.31.

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Abstract Estuaries are profoundly rich, diverse, and complex ecosystems, and crucial to the overall health of Earth's oceans. Estuarine ecological complexity is matched by tremendous human cultural diversity. In the United States, millions of people live in estuarine environments from the Gulf of Mexico to the Arctic—many of whom directly depend on the productivity of marine resources in both commercial and subsistence fishing activities. Yet, estuaries are also among Earth's most threatened landscapes against the backdrop of global warming, sea-level rise, agricultural and industrial pollution, habitat loss, overfishing, and so on. This represents a looming disaster for our oceans at a global scale. The Estuarine Ecological Knowledge Network (EEKN) is based on the idea that fishing communities living within major estuaries are the key to ensuring the health of global oceans. Coastal fishing communities have vast accumulations of ecological knowledge about the functioning of estuarine ecosystems and interact with those ecosystems in intimate ways on a daily basis. This network is designed to connect coastal communities in monitoring the health of estuarine ecosystems and in using traditional ecological knowledge to develop strategies for enhancing ecosystem health and resilience.
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GIMENEZ, BARBARA C. G., and PAULO LANA. "Functional redundancy in polychaete assemblages from a tropical Large Marine Ecosystem (LME)." Zoosymposia 19, no. 1 (December 28, 2020): 72–90. http://dx.doi.org/10.11646/zoosymposia.19.1.11.

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Functional redundancy assumes a critical relevance nowadays due to the serious threats that affect marine life worldwide. We assessed and compared levels of functional redundancy in polychaete assemblages from the continental shelf and from estuarine environments along the South Brazil Shelf Large Marine Ecosystem (SBSLME). To quantify functional redundancy, we used functional originality (FOri) and functional uniqueness (FUni). We found 57 and 47 polychaete taxa distributed in 48 and 41 functional entities (i.e., a unique combination of trait values) in continental shelf and estuarine environments, respectively. Results suggest a low level of functional redundancy in both environments. However, FOri was higher in the estuarine environment, whereas FUni was higher in the continental shelf. As expected, estuarine polychaetes have fewer unique combinations of trait values, but these combinations are more original and adequate to the varying conditions imposed by estuarine environmental drivers.
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Gleire Rodrigues de Menezes, Francisca, Soraya Silva Neves, Rafael Dos Santos Rocha, Oscarina Viana Sousa, Marina Teresa Rodriguez Torres, Rodrigo Maggioni, Ernesto Hofer, and Regine Helena Silva dos Fernandes Vieira. "PATHOGENIC POTENTIAL OF Vibrio parahaemolyticus ISOLATED FROM TROPICAL ESTUARINE ENVIRONMENTS IN CEARÁ, BRAZIL." Revista de Patologia Tropical / Journal of Tropical Pathology 49, no. 2 (July 13, 2020): 94–104. http://dx.doi.org/10.5216/rpt.v49i2.61338.

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Vibrio parahaemolyticus is a potentially pathogenic bacterium that occurs naturally in estuarine environments worldwide. This research aimed to investigate the occurrence of Vibrio parahaemolyticus in estuarine environments and determine the virulence profile in aquaculture environment by molecular techniques and conventional microbiological methods. The analysis included 64 samples of water (n=32) and sediment (n=32) collected in estuaries. The samples yielded 64 strains suspected to be V. parahaemolyticus. The isolates were submitted to biochemical identification using a dichotomous key and PCR for the detection of the species-specific gene tl. Virulence was assessed by testing for urea hydrolysis and ?-hemolysis in erythrocytes (Kanagawa phenomenon) and simultaneous detection of the genes tdh and trh. All but one of the isolates (63/64) were confirmed to be V. parahaemolyticus by genotypic detection of tl. The genes tdh and trh were detected in 57 and 19 isolates, respectively. The Kanagawa test was positive for 51 isolates. Only one isolate was positive for urease. The incidence of tdh/trh-positivity was very high in strains isolated from the environment. The present study demonstrates that the necessity to improve the knowledge of the ecology and pathogeny of V. parahaemolyticus.
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Silva Junior, Milton Goncalves, Antonio Carlos Leal Castro, and Ulrich Saint-Paul. "Comparative Analysis of Distribution of Intertidal Fish Assemblages in Different Estuarine Systems on Northern Coast of Brazil." Journal of Sustainable Development 10, no. 2 (March 30, 2017): 26. http://dx.doi.org/10.5539/jsd.v10n2p26.

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The northern coast of Brazil has more than 30 estuaries distributed along 650 km of coastline. These conditions favor the presence of relatively large fish communities in estuarine environments, but published information on the fish fauna in tidal creeks in northern Brazil is only available for some mangrove systems, and comparative studies between fish estuarine communities in different tidal creeks are less common. The choice of the study area was based on the fact that it has been poorly investigated with regard to estuarine fish fauna in comparison in mangrove tidal creeks using the same fishing gear. The objective of the present study was to compare the composition of the relative biomass of taxonomic, functional and ecological guilds of fish assemblages occurring in estuarine systems along the northern coast of Brazil. The study area of the present comparative analysis extended from the southeastern edge of the Marajoara Gulf to the western edge of the Maranhense Gulf. A comparative analysis among different estuarine systems was performed using data from other studies. The abundance of juveniles was greater in the Caeté, Curuçá and Cururuca estuaries than other estuaries. Cluster analysis separated the estuaries into two distinct groups and significant differences between these groups only exist in relation to geographical proximity. The present investigation indicates that the coastal region between the states of Pará and Maranhão is characterized by high dynamics and environmental heterogeneity, particularly with regard to changes in river discharge and tidal fluctuations. The present results underscore the importance of ecological information on ichthyofauna in tropical estuaries in order to include appropriate descriptors in conservation or restoration processes of marine communities and habitats.
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Cunjak, R. A., R. L. Saunders, and E. M. P. Chadwick. "Seasonal Variations in the Smolt Characteristics of Juvenile Atlantic Salmon (Salmo salar) from Estuarine and Riverine Environments." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 4 (April 1, 1990): 813–20. http://dx.doi.org/10.1139/f90-094.

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Smolt characteristics such as lipid-moisture dynamics, ATPase activity, salinity tolerance, and condition factor were determined for Atlantic salmon parr (Salmo salar) moving to, or residing in, estuaries of two rivers in eastern Canada. Lipid and water content and gill Na+K+-ATPase activity of these parr differed markedly from river-resident parr. ATPase activity, sex ratio, and condition factor indicated more similarity between estuarine parr and smolts. Estuarine parr were unable to tolerate high salinities in spring, summer, or autumn, but there was an indication of an autumnal increase in salinity tolerance which coincided with maximum levels in ATPase activity and a secondary downstream movement of parr and smolt-like salmon in the autumn. The data suggest that the largest estuarine parr are essentially presmolts which utilize the estuary as a rearing environment prior to subsequent emigration seaward when environmental conditions are again amenable to a reopening of the 'smolt window.' These observations also highlight some inadequacies in applying existing criteria for the smoking process and for modelling life histories of salmonids.
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Mohajerin, T. Jade, George R. Helz, and Karen H. Johannesson. "Tungsten–molybdenum fractionation in estuarine environments." Geochimica et Cosmochimica Acta 177 (March 2016): 105–19. http://dx.doi.org/10.1016/j.gca.2015.12.030.

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Milne, R. A., P. C. Nicholas, C. Pattinson, and W. Halcrow. "The Definition of Effluent Discharge Consent Conditions in Complex Estuarine Environments." Water Science and Technology 18, no. 4-5 (April 1, 1986): 267–76. http://dx.doi.org/10.2166/wst.1986.0202.

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The Welsh Water Authority puts considerable emphasis upon the scientific determination of discharge consents through which it controls coastal pollution. It also pursues a policy which encourages the effective use of estuarine and coastal capacity to assimilate effluents. Conflict between environmental protection and cost-effective effluent disposal is minimised by concentrating upon the relationships between environmental quality objective (E.Q.O.), environmental quality standard (E.Q.S.) and discharge consent. Welsh Water has devoted considerable resources to the understanding and prediction of these relationships in estuaries and has developed a protocol for consent setting. This protocol is described and illustrated with examples from recent work on the Loughor and Dee estuaries in Wales. Desk study, specialised investigations and mathematical modelling techniques are integrated to identify critical processes in the dispersal, degradation and biological impact of pollutants. These are modelled to predict effluent behaviour for various discharge regimes, allowing a flexible approach to the selection of a consent.
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Dissertations / Theses on the topic "Estuarine environments"

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Cantwell, Mark G. "Mobility and fate of contaminants in estuarine environments /." View online ; access limited to URI, 2006. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3248226.

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Pinto, Beatriz Lázaro. "Broad host range plasmids in estuarine environments." Master's thesis, Universidade de Aveiro, 2010. http://hdl.handle.net/10773/3515.

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Mestrado em Biotecnologia
A transferência horizontal de genes permite a adaptação microbiana a nichos especiais, dos quais dois bons exemplos são a camada superficial do mar e a coluna de água. Os plasmídeos com gama alargada de hospedeiros (BHR), responsáveis pelo fluxo de material genético entre cromossomas bacterianos (inclusivamente entre microorganismos muito afastados filogeneticamente) têm um papel essencial na evolução das comunidades microbianas. Entre eles, os plasmídeos pertencendo ao grupo de incompatibilidade IncP-1 têm um interesse especial por causa da sua extraordinária flexibilidade na iniciação da replicação e da estabilidade na sua manutenção numa ampla gama de hospedeiros. Estes elementos genéticos móveis, além de constituírem ferramentas úteis na engenharia genética, representam uma grande fonte de genes que codificam para características tão significativas como a resistência a antibióticos e a degradação de xenobióticos. No entanto, a diversidade nesta família de plasmídeos BHR tem sido subestimada até agora: actualmente sabe-se da existência de cinco subgrupos divergentes, mas embora alguns plamídeos modelo tenham sido estudados ao detalhe, ainda há muito para investigar. Em trabalhos anteriores na Ria de Aveiro (costa NW de Portugal), foi feita a captura exógena de plasmídeos bem como o isolamento de bactérias potencialmente hospedeiras de plasmídeos endógenos. Neste trabalho, sequências de nucleótidos específicas foram amplificadas mediante reacções em cadeia da polimerase para determinar a presença de plasmídeos BHR. Os sete plasmídeos IncP-1 detectados, foram em primeiro lugarfilogeneticamente estudados. O alinhamento das sequências de nucleótidos de 281 pb que foram amplificadas e que correspondem a um fragmento do gene trfA (que codifica para uma proteína do início da replicaçao) sugeriu o estabelecimento de dois novos clusters situados filogeneticamente em dois subgrupos diferentes de IncP-1: IncP-1β e o recentemente descrito IncP-1ε. Estes constituem os primeiros replicões IncP-1 provenientes de ambientes estuarinos a serem detectados e isolados. De seguida, uma comparação e caracterização preliminar genética e fenotípica foi realizada com os plasmídeos purificados, considerando a descrição já conhecida dos dois plasmídeos arquétipos evolutivamente mais próximos, pB10 e pKJK5. Assim, as análises de fragmentos de restrição, determinação da inibição do crescimento do hospedeiro na presença de mercúrio e ensaios de resistência a diferentes antibióticos ajudaram a compreender o elevado interesse que recai nestes plasmídeos revelando a diversidade fenotípica e genotípica. Uma completa descrição de qualquer destes novos plasmídeos pode ter una enorme importância ecológica, evolutiva e biotecnológica, incrementada pela sua procedência dum ambiente não clínico. Portanto este trabalho justifica um estudo em maior profundidade destes replicões promíscuos.
The horizontal gene transfer allows microbial adaptation to special niches, from which the sea-surface microlayer or the subsurface waters in estuarine environments might be good examples. Broad host range plasmids, responsible for the reshuffling of genetic material between bacterial chromosomes (even amongst distantly related microorganims), play an essential role on the evolution and diversity of microbial communities. Among them, the incompatibility group IncP-1 plasmids have a special interest due to their extraordinary flexibility in the replication initiation and stable maintenance in such a wide spectrum of hosts. These mobile genetic elements, in addition to the helpful genetic engineering tools they mean, represent a great source of potentially useful genes encoding for traits as significant as antibiotic resistance or xenobiotic degradation. Nevertheless, the diversity of this family of BHR plasmids has been underestimated until recently: it is currently known to have five divergent sub-groups, but although some prototype plasmids have been studied in great detail, there is still much left to research. In previous investigations exogenous plasmid capture was carried out as well as putative endogenous plasmid bacterial hosts isolated in the Ria de Aveiro lagoon (NW coast of Portugal). In this work, polymerase chain reactions were developed to amplify specific nucleotide sequences and determine BHR plasmids presence. From a bioinformatical approach, the seven IncP-1 plasmids detected were firstly phylogenetically studied. The alignment of the amplified 281 bp nucleotide sequences corresponding to a fragment of the replication initiation protein encoding gene trfA suggested the formation of two novel clusters belonging to two different IncP-1 plasmid subgroups: IncP-1β and the lately described IncP-1ε. Additionally, these represent the first estuarine IncP-1 replicons to be detected and isolated. Then a preliminary genetic and phenotypic comparison was performed with the purified plasmids, by taking into account the known description of the evolutionary closest models, pB10 and pKJK5. That way, restriction fragment analysis as well as antibiotic and mercury resistance determination assays helped to comprehend the high significance falling on the captured plasmids by revealing the genetic and phenotypic diversity. A whole description of any of these novel plasmids may have a huge ecological, evolutionary and biotechnological importance, even more due to its precedence from a non-clinical environment. Therefore this work justifies further studies on these promiscuous replicons.
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Helton, Rebekah R. "Ecology of benthic viruses in marine and estuarine environments." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 214 p, 2007. http://proquest.umi.com/pqdweb?did=1362525081&sid=14&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Douglas, Nora Katherine. "Extending Spectrophotometric pHT Measurements in Coastal and Estuarine Environments." Scholar Commons, 2018. http://scholarcommons.usf.edu/etd/7146.

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Nearshore and estuarine environments play a vital role in the cycling of carbon, but the effects of ocean acidification in estuarine waters have not been studied as extensively as in the open ocean. One reason for this is the limitation of pH measurement capabilities in low-salinity waters. Typically, pH in these environments has been measured using potentiometric methods that are subject to uncertainties on the order of 0.01. Spectrophotometric methods for measuring pHT offer precision and accuracy superior to those of potentiometric methods. However, previous characterizations for purified sulfonephthalein indicators, used for marine spectrophotometric measurements, are not applicable to estuarine salinities. Some estuarine datasets using unpurified indicators exist, but the presence of dye impurities affects the accuracy of these characterizations. Colorimetric impurities are known to interfere with absorbance measurements and can cause errors in pH on the order of 0.02. In this work, a mathematical model has been developed to correct spectrophotometric pHT determined with unpurified m-Cresol Purple (mCP), the indicator used most widely for these measurements. The model accounts for absorbances of colorimetric impurities that interfere with absorbance by mCP. This corrective approach brings measurements made using unpurified mCP in synthetic solutions of 0.7 M NaCl into better agreement with those made using purified mCP: within ±0.004 pH units for all six indicators tested at pHT ≤ 8.0. The model is useful for both (a) research groups currently using unpurified mCP to measure pHT, and (b) retrospective correction of historic pHT datasets collected using unpurified mCP. The correction requires only that a small sample of the unpurified mCP is saved for a single-point test at high pHT (~12), and that historic absorbance measurements are archived for subsequent correction. The principles of the corrective model were applied to an historic calibration of the mCP dissociation constant (KI) at 0 ≤ S ≤ 40 and T = 298.15 K using unpurified indicator. After correction of absorbances for dye impurities, recalculation of KI was performed, and the recalculated values were combined with mCP KI data for freshwater and seawater. The combined dataset was then refitted as a function of S and T. The resulting model is representative of mCP behavior across 0 ≤ S ≤ 40 and 278.15 ≤ T ≤ 308.15 K and produces p(KIe2) values that are within ±0.004 of p(KIe2) values from previously published purified mCP calibrations. This refitting approach was also applied to pHT determinations made with Thymol Blue (TB) and Cresol Red (CR), two sulfonephthalein indicators that have been previously used in waters outside the indicating range of mCP. The models, which were of the same form as the estuarine p(KIe2) model for mCP, performed approximately as well as the mCP model: with the exception of one high-salinity, high-temperature TB datum, all residuals were within ±0.0043 of the previously published TB and CR calibrations. Finally, an internal consistency analysis was performed using carbon chemistry data collected during two recent coastal ocean acidification research cruises. For pHT measurements performed during both cruises, purified mCP was used, and corresponding measurements of total alkalinity (TA) and dissolved inorganic carbon (DIC) were conducted. Both cruises included excursions into the Columbia River, where low salinities prevent usage of the marine p(KIe2) model for purified mCP. The Columbia River samples provided the opportunity to evaluate the internal consistency of pHT measurements made in low-salinity waters using the refitted estuarine p(KIe2) model. Although internal consistency agreement in the estuarine range is poor compared to marine measurements, pHT calculated using the new estuarine model compared well with pHT calculated using the previously published estuarine mCP model. The poor internal consistency in the estuarine range, even when making state-of-the-art pH measurements, points toward the need for a more robust characterization of the carbonic acid dissociation constants in the estuarine salinity range. This characterization should take into account the contributions of organic acids to total alkalinity in nearshore waters.
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Oliver, Lucie Rebecca. "Mussel assemblages as biomonitors of anthropogenic disturbance in estuarine environments." Thesis, Bangor University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438829.

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Gontz, Allen M. "Sources and Implications of Shallow Subsurface Methane in Estuarine Environments." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/GontzAM2005.pdf.

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Costa, Rui Carlos Faria Gameiro da. "Three-dimensional modelling of cohesive sediment transport in estuarine environments." Thesis, University of Liverpool, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262293.

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Dyson, Kirstie Elizabeth. "Biodiversity and ecosystem processes in heterogeneous environments /." St Andrews, 2008. http://hdl.handle.net/10023/698.

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Vandever, Justin P. "Acoustic Measurement and Modeling of Waves in Estuarine and Coastal Environments." W&M ScholarWorks, 2007. https://scholarworks.wm.edu/etd/1539617859.

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Williams, Simon. "Microbial ecology of anammox bacteria in estuarine and oxygen minimum zone environments." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/61716/.

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Anammox (anaerobic ammonium oxidation) is an environmentally significant process with great importance for global biogeochemical cycles. This process is mediated by a unique suite of phylogenetically distinct chemolithoautotrophic bacteria which demonstrate novel physiological and metabolic characteristics. However, despite the importance of these organisms, there is still much which is poorly understood about them, specifically the diversity and distribution of these bacteria and their controlling environmental factors. Furthermore, genomic studies and observations from the field suggest that anammox bacteria may have a far greater metabolic diversity than previously thought, suggesting that the current understanding of these organisms is incomplete. This study aimed to elucidate these aspects of the ecology of anammox bacteria in estuarine and OMZ (oxygen minimum zone) environments. A clear community shift was observed in estuarine environments from Ca. Brocadia spp. dominated freshwater sites to Ca. Scalindua spp. dominated marine sites. The OMZ was dominated by Ca. Scalindua spp. though diversity within this clade was observed between organisms in the upper oxycline and those within the core of the OMZ. Microcosm experiments amended with organic substrates suggested that some anammox organisms (namely Ca. Brocadia spp., Ca. Jettenia spp. and Ca. Kuenenia spp.) may have the ability to assimilate carbon directly from organic substrates such as dimethylamine and urea. However, these data were inconclusive and further investigations are required to prove or disprove the hypothesis that anammox bacteria can utilise organic substrates. Nevertheless, this study improves the understanding of the ecology of anammox organisms in estuarine and OMZ environments, providing an unprecedented depth of data as to the diversity and distribution and unique insights into potentially novel metabolic capabilities of these organisms.
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Books on the topic "Estuarine environments"

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Byrne, Donald M. New Jersey's estuarine and marine environments: An annotated bibliography of scientific literature. Trenton, N.J: Dept. of Environmental Protection, Division of Fish, Game, and Wildlife, 1985.

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Sanger, Denise M. Evaluation of the impacts of dock structures on South Carolina estuarine environments: Final report. Charleston, S.C: South Carolina Dept. of Natural Resources, Marine Resources Division, Marine Resources Research Institute, 2002.

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Riggs, Stanley R. Heavy metal pollutants in orgnic-rich muds of the Pamlico River estuarine system: Their concentration, distribution, and effects upon benthic environments and water quality : final report, the Pamlico River. Greenville, N.C: East Carolina University, 1989.

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Duursma, E. K. Are tropical estuaries environmental sinks or sources? Rio de Janeiro, RJ, Brasil: MCT, CNPq, CETEM, 1995.

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Duursma, E. K. Are tropical estuaries environmental sinks or sources? Rio de Janeiro, RJ, Brasil: MCT, CNPq, CETEM, 1995.

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Martin, Attrill, ed. A rehabilitated estuarine ecosystem: The environment and ecology of the Thames estuary. Dordrecht: Kluwer Academic Publishers, 1998.

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ECSA22/ERF Symposium (13-18 September 1992 Institute of Marine Studies, University of Plymouth). Changes in fluxes in estuaries: Implications from science to management. Fredensborg, Denmark: Olsen & Olsen, 1994.

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McLusky, Donald S. The estuarine ecosystem. 2nd ed. Glasgow: Blackie, 1990.

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The estuarine ecosystem. 2nd ed. London: Blackie Academic & Professional, 1994.

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R, Dyer K., Orth Robert J. 1947-, Estuarine and Coastal Sciences Association., and Estuarine Research Federation, eds. Changes in fluxes in estuaries: Implications from science to management : ECSA22/ERF Symposium. Fredensborg, Denmark: Olsen & Olsen, 1994.

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Book chapters on the topic "Estuarine environments"

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Abreu, P. C., and J. P. Castello. "Estuarine-Marine Interactions." In Subtropical Convergence Environments, 179–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60467-6_8.

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Olsen, Jesper, Philippa Ascough, Bryan C. Lougheed, and Peter Rasmussen. "Radiocarbon Dating in Estuarine Environments." In Applications of Paleoenvironmental Techniques in Estuarine Studies, 141–70. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-0990-1_7.

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Smucker, Richard A., and Chi K. Kim. "Chitinase Activity in Estuarine Waters." In Microbial Enzymes in Aquatic Environments, 249–69. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3090-8_16.

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Keith, Darryl J. "Coastal and Estuarine Waters: Light Behavior." In Coastal and Marine Environments, 41–50. Second edition. | Boca Raton: CRC Press, [2020] | Revised edition of: Encyclopedia of natural resources. [2014].: CRC Press, 2020. http://dx.doi.org/10.1201/9780429441004-4.

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Purcell, Jennifer E., Denise L. Breitburg, Mary Beth Decker, William M. Graham, Marsh J. Youngbluth, and Kevin A. Raskoff. "Pelagic cnidarians and ctenophores in low dissolved oxygen environments: A review." In Coastal and Estuarine Studies, 77–100. Washington, D. C.: American Geophysical Union, 2001. http://dx.doi.org/10.1029/ce058p0077.

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Keith, Darryl J. "Coastal and Estuarine Waters: Optical Sensors and Remote Sensing." In Coastal and Marine Environments, 51–59. Second edition. | Boca Raton: CRC Press, [2020] | Revised edition of: Encyclopedia of natural resources. [2014].: CRC Press, 2020. http://dx.doi.org/10.1201/9780429441004-5.

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Platon, Emil, and Barun K. Sen Gupta. "Benthic foraminiferal communities in oxygen-depleted environments of the Louisiana Continental Shelf." In Coastal and Estuarine Studies, 147–63. Washington, D. C.: American Geophysical Union, 2001. http://dx.doi.org/10.1029/ce058p0147.

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Staines-Urías, Francisca. "Corals in Estuarine Environments: Their Response to Environmental Changes and Application in Reconstructing Past Environmental Variability." In Applications of Paleoenvironmental Techniques in Estuarine Studies, 389–422. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-0990-1_16.

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Knoppers, B., E. C. Machado, N. Brandini, and W. F. Landim de Souza. "Sediment Oxygen and Nutrient Fluxes in Three Estuarine Systems of South-Eastern Brazil." In Environmental Geochemistry in Tropical and Subtropical Environments, 253–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-07060-4_19.

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Yentsch, Charles S., David A. Phinney, and Lynda P. Shapiro. "Absorption and fluorescent characteristics of the brown tide chrysophyte: Its role on light reduction in coastal marine environments." In Coastal and Estuarine Studies, 77–83. Washington, D. C.: American Geophysical Union, 1989. http://dx.doi.org/10.1029/ce035p0077.

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Conference papers on the topic "Estuarine environments"

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Borowski, Brian, Alexander Sutin, Heui-Seol Roh, and Barry Bunin. "Passive acoustic threat detection in estuarine environments." In SPIE Defense and Security Symposium, edited by Craig S. Halvorson, Daniel Lehrfeld, and Theodore T. Saito. SPIE, 2008. http://dx.doi.org/10.1117/12.779177.

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Dill, N. L. "Modeling Hydraulic Control Structures in Estuarine Environments with EFDC." In International Conference on Estuarine and Coastal Modeling 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412411.00032.

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Canning, Paul J. "Adaptive Estuarine Management in Micro to Hyper Tidal Environments." In 8th International Coastal Management Conference. ICE Publishing, 2016. http://dx.doi.org/10.1680/cm.61149.241.

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Chen, Eric, Cecilia McHugh, Jamie Asan, Frank Nitsche, and Timothy C. Kenna. "COASTAL AND ESTUARINE SEDIMENTARY ENVIRONMENTS OF EASTERN LONG ISLAND SOUND." In Northeastern Section - 57th Annual Meeting - 2022. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022ne-374499.

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Makarynskyy, Oleg, Scott Langtry, Marc Zapata, and Matthew Rayson. "Validations of Hydrodynamic, Wave, and Dredging Simulations in Nearshore Environments." In 11th International Conference on Estuarine and Coastal Modeling. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41121(388)33.

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Steven G Hall, Daniel Dehon, Robert Beine, Matthew Campbell, Tyler Ortego, and Michael Turley. "Use of Bioengineered Artificial Reefs for Ecological Restoration in Estuarine Environments." In 2009 Reno, Nevada, June 21 - June 24, 2009. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2009. http://dx.doi.org/10.13031/2013.27041.

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Kruger, Dov, Rustam Stolkin, Aaron Blum, and Joseph Briganti. "Optimal AUV path planning for extended missions in complex, fast-flowing estuarine environments." In 2007 IEEE International Conference on Robotics and Automation. IEEE, 2007. http://dx.doi.org/10.1109/robot.2007.364135.

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Wilborn, U. S., A. J. Pyrtle, E. Ingall, M. Grantham, J. Smith, and W. C. Elliott. "/sup 137/Cs distribution and geochemistry in Savannah (Georgia) riverine, estuarine and marsh environments." In Oceans 2003. Celebrating the Past ... Teaming Toward the Future (IEEE Cat. No.03CH37492). IEEE, 2003. http://dx.doi.org/10.1109/oceans.2003.178370.

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Fan, Lu, Bu Xu, Yang Liu, Fuyan Li, Meng Li, and Chuanlun L. Zhang. "Distinct Metabolic Capabilities of Marine Group II Archaea Adapted to Low-Salinity Estuarine Environments." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.680.

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Graniero, Lauren E., David P. Gillikin, and Donna Surge. "CALIBRATION OF BIVALVE SHELL δ15N VALUES AS A PALEOENVIRONMENTAL PROXY IN FRESHWATER AND ESTUARINE ENVIRONMENTS." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-286098.

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Reports on the topic "Estuarine environments"

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Ray, Gary L. Invasive Animal Species in Marine and Estuarine Environments: Biology and Ecology. Fort Belvoir, VA: Defense Technical Information Center, January 2005. http://dx.doi.org/10.21236/ada430308.

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Blough, Neil V., and Daniel E. Falvey. Photochemical Sinks of Organic Pollutants in Estuarine and Near-Shore Environments. Fort Belvoir, VA: Defense Technical Information Center, September 2000. http://dx.doi.org/10.21236/ada609908.

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Kaihatu, James M., Alexandru Sheremet, Jane M. Smith, and Hendrik L. Tolman. Nonlinear and Dissipation Characteristics of Ocean Surface Waves in Estuarine Environments. Fort Belvoir, VA: Defense Technical Information Center, January 2010. http://dx.doi.org/10.21236/ada539208.

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Blough, Neil V., and Daniel E. Falvey. Photochemical Sinks of Organic Pollutants in Estuarine and Near-Shore Environments. Fort Belvoir, VA: Defense Technical Information Center, August 2001. http://dx.doi.org/10.21236/ada628537.

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Blough, Neil V., and Daniel E. Falvey. Photochemical Sinks of Organic Pollutants in Estuarine and Near-Shore Environments. Fort Belvoir, VA: Defense Technical Information Center, September 1999. http://dx.doi.org/10.21236/ada629872.

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Kaihatu, James M., Alexandru Sheremet, Jane M. Smith, and Hendrik L. Tolman. Nonlinear and Dissipation Characteristics of Ocean Surface Waves in Estuarine Environments. Fort Belvoir, VA: Defense Technical Information Center, September 2012. http://dx.doi.org/10.21236/ada571481.

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Kaihatu, James M., Alexandru Sheremet, Jane M. Smith, and Hendrik L. Tolman. Nonlinear and Dissipation Characteristics of Ocean Surface Waves in Estuarine Environments. Fort Belvoir, VA: Defense Technical Information Center, September 2013. http://dx.doi.org/10.21236/ada597835.

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Kaihatu, James M., Alexandru Sheremet, Jane M. Smith, and Hendrik L. Tolman. Nonlinear and Dissipation Characteristics of Ocean Surface Waves in Estuarine Environments. Fort Belvoir, VA: Defense Technical Information Center, September 2011. http://dx.doi.org/10.21236/ada555079.

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Kaihatu, James M., Alexandru Sheremet, Jane M. Smith, and Hendrik L. Tolman. Nonlinear and Dissipation Characteristics of Ocesan Surface Waves in Estuarine Environments. Fort Belvoir, VA: Defense Technical Information Center, September 2011. http://dx.doi.org/10.21236/ada557170.

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Kaihatu, James M., Alexandru Sheremet, Jame M. Smith, and Hendrik L. Tolman. Nonlinear and Dissipation Characteristics of Ocean Surface Waves in Estuarine Environments. Fort Belvoir, VA: Defense Technical Information Center, September 2014. http://dx.doi.org/10.21236/ada623462.

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