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A comparative study on the feeding habits of Oreochromis niloticus (Linnaeus) in Nyanza Gulf Lake Victoria and sewage fish ponds OceanDocs
Getabu, A..
Gut content analysis of Oreochromis niloticus from the Nyanza Gulf, Lake Victoria showed that the bulk of the food items ingested constituted bottom deposits and blue green algae. Among the live food items ingested, blue green algae (Cyanophyceae) constituted 53.6%, the diatoms (Bacillariophyaceae) 19.7%, aquatic invertebrates (mainly Copepoda, Cladocera, and Rotifera) 12.9%, desmids (Desmidaceae) 7.7% and lastly the green algae (Chlorophyceae) 6.2%. The most preferred food items were: Spirulina laxisma and Nitzschia accicularis. The least preferred food items were: Lyngbya circumcreta, Microcystis aeruginosa and Pediastrum simplex. The quantity of food eaten by O. niloticus to satiation ranged from 0.016-4.5% body...
Tipo: Proceedings Paper Palavras-chave: Oreochromis niloticus; Feeding behaviour; Fish ponds; Food organisms; Sewage; Feeding behaviour; Fish ponds; Sewage; Http://aims.fao.org/aos/agrovoc/c_10778; Http://aims.fao.org/aos/agrovoc/c_2929; Http://aims.fao.org/aos/agrovoc/c_7007.
Ano: 1994 URL: http://hdl.handle.net/1834/1160
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ABUNDANCE OF THE EXCAVATING SPONGE CLIONA DELITRIX IN RELATION TO SEWAGE DISCHARGE AT SAN ANDRÉS ISLAND, SW CARIBBEAN, COLOMBIA Boletín de Investigaciones
Chaves-Fonnegra,Andia; Zea,Sven; Gómez,Martha L..
It is known that the encrusting and excavating Caribbean sponge Cliona delitrix may increase its abundance near sources of sewage. To ascertain whether its current conspicuousness in leeward reefs of San Andrés Island (SW Caribbean, Colombia) is related to organic pollution from local raw sewage discharges, quantitative data on density and cover of this sponge and other benthic components was obtained from belt and line transects at seven stations along the shallow (5-10 m deep) terrace. Coral mucus was sampled to quantify Escherichia coli bacteria, as an approximate indicator of sewage plume influence on benthic biota. A negative multiplicative regression between amount of E. coli in coral mucus and distance from the main raw sewage outlet demonstrated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sewage; Excavating sponges; Corals; Caribbean; Colombia.
Ano: 2007 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612007000100004
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Abundance of the excavating sponge Cliona delitrix in relation to sewage discharge at San Andrés Island, SW Caribbean, Colombia OceanDocs
Chaves-Fonnegra, A.; Zea, S.; Gómez, M.L..
It is known that the encrusting and excavating Caribbean sponge Cliona delitrix may increase its abundance near sources of sewage. To ascertain whether its current conspicuousness in leeward reefs of San Andrés Island (SW Caribbean, Colombia) is related to organic pollution from local raw sewage discharges, quantitative data on density and cover of this sponge and other benthic components was obtained from belt and line transects at seven stations along the shallow (5-10 m deep) terrace. Coral mucus was sampled to quantify Escherichia coli bacteria, as an approximate indicator of sewage plume influence on benthic biota. A negative multiplicative regression between amount of E. coli in coral mucus and distance from the main raw sewage outlet demonstrated...
Tipo: Journal Contribution Palavras-chave: Sewage; Coral; Sewage; Http://aims.fao.org/aos/agrovoc/c_7007.
Ano: 2007 URL: http://hdl.handle.net/1834/3517
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Achieving the Sustainable Development Goal 06 in Brazil: the universal access to sanitation as a possible mission Anais da ABC (AABC)
DIAS,CINTIA M.M.; ROSA,LUIZ P.; GOMEZ,JOSE M.A.; D’AVIGNON,ALEXANDRE.
ABSTRACT Sanitation (which includes national public policies for drinking water, sewage services and waste management) is precarious in Brazil and therefore poses a challenge to a range of actors. Poor sanitation impacts public health, education, the environment, and daily life. Globally, it emits increasing greenhouse gases. Universalization of any major public service appears difficult, if not impossible; however, Brazil’s program to universalize access to electricity proves the opposite, as will be shown in this paper. By describing the successful implementation of electricity for everyone, we show that planned public efforts, coordinated with private initiatives and local communities, have worked, and the same can be achieved for the sanitation...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solid Waste (SW); Water; Sewage; Sanitation; Greenhouse gases; Sustainable Development Goals (SDGs).
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000401337
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Adsorption of norovirus and ostreid herpesvirus type 1 to polymer membranes for the development of passive samplers ArchiMer
Hubert, Francoise; Morga, Benjamin; Renault, Tristan; Le Guyader, Soizick.
Aims This study was performed to develop passive sampling methodology for the detection of two viruses in seawater in the area of shellfish production, The Norovirus (NoV), a human pathogen implicated in gastroenteritis outbreaks linked to oyster consumption and the ostreid herpesvirus type 1 (OsHV-1) a virus associated with mass mortalities of Pacific oysters. Methods and Results Commercially membranes were tested for their capacity to adsorb virus: Zetapor, gauze, nylon, low density polyethylene (LDPE) and Polyvinylidene difluoride (PVDF). Laboratory exposures of membranes to contaminated water samples (stool, sewage, seawater) were performed. Our data shown that the amount of NoV GII genome per membrane measured with qRT-PCR increased with the time of...
Tipo: Text Palavras-chave: Norovirus; OsHV-1; Pacific oysters; Passive samplers; Seawater; Sewage.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00365/47646/47670.pdf
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Caracterización de la calidad de las aguas y sedimentos del Río Atacames 2002 OceanDocs
Rodríguez de Morán, A..
La presente investigación se desarrolló como parte de Estudio de calidad de las aguas de los ríos de la Provincia de Esmeraldas durante mayo del 2002, como aporte del INOCAR a la Ilustre Municipalidad del Cantón Atacames, Institución que se encuentra realizando esfuerzos en los planes de operación para cumplir con la concepción del estado ecuatoriano sobre protección ambiental. Se presenta y evalúa los resultados obtenidos tanto en el estudio de calidad de las aguas como de los sedimentos del río Atacames en la Provincia de Esmeraldas, tomando en consideración la distribución y comportamiento superficial de parámetros físico, químicos y microbiológicos en un área que abarca entre 15 kilómetros aguas arriba y su desembocadura en el Océano Pacífico. Durante...
Tipo: Journal Contribution Palavras-chave: Water quality; River water; Sediments; Oxygen; Petroleum hydrocarbons; Microbial contamination; Pollution effects; Organic wastes; Sewage; Water quality; Microbial contamination; Organic wastes; Oxygen; Sewage; Http://aims.fao.org/aos/agrovoc/c_16061; Http://aims.fao.org/aos/agrovoc/c_37547; Http://aims.fao.org/aos/agrovoc/c_35237; Http://aims.fao.org/aos/agrovoc/c_5477; Http://aims.fao.org/aos/agrovoc/c_7007.
Ano: 2003 URL: http://hdl.handle.net/1834/2373
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CHANGES IN SOIL CHEMICAL PROPERTIES PROMOTED BY FERTIGATION WITH TREATED SANITARY WASTEWATER REA
Santos,Silvânio R.; Ribeiro,Danilo P.; Matos,Antonio T.; Kondo,Marcos K.; Araújo,Edcássio D..
ABSTRACT We evaluate the application of treated sanitary wastewater (TSW) to provide potassium for crops and reduce demand for fresh water and mineral nutrients. The field experiment was arranged in randomized block design with four replications and five treatments: 50, 100, 150 and 200% of potassium requirements and a control with conventional fertilizer. The TSW was applied to maize (November 2012 to February 2013), cotton (June to November 2013) and bean (April to June 2014). After bean, soil chemical properties were evaluated until 0.8 m depth. Fertigation with TSW to potassium fertilization provided about 50% of water, nitrogen and phosphorus to the bean. The soil nutrient availability and soil organic matter did not increase, whereas sodium had...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Effluent; Fertilization; Irrigation; Sewage; Sodium.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000200343
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Characterization of Norovirus and Other Human Enteric Viruses in Sewage and Stool Samples Through Next-Generation Sequencing ArchiMer
Strubbia, Sofia; Phan, My V. T.; Schaeffer, Julien; Koopmans, Marion; Cotten, Matthew; Le Guyader, Soizick.
This study aimed to optimize a method to identify human enteric viruses in sewage and stool samples using random primed next-generation sequencing. We tested three methods, two employed virus enrichment based on the binding properties of the viral capsid using pig-mucin capture or by selecting viral RNA prior to library preparation through a capture using the SureSelect target enrichment. The third method was based on a non-specific biophysical precipitation with polyethylene glycol. Full genomes of a number of common human enteric viruses including norovirus, rotavirus, husavirus, enterovirus and astrovirus were obtained. In stool samples full norovirus genome were detected as well as partial enterovirus genome. A variety of norovirus sequences was...
Tipo: Text Palavras-chave: Human enteric viruses; Norovirus; Sewage; Metagenomic; Virome.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00512/62332/66592.pdf
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Contamination des milieux aquatiques par les substances pharmaceutiques et cosmétiques - Etat des lieux et perspectives ArchiMer
Collette-bregand, Maude; James, Alice; Munshy, Catherine; Bocquene, Gilles.
This document reports a survey of the aquatic contamination by cosmetics and medicinal products for human and veterinary uses. The contamination of the continental, estuary and coastal waters by these substances gives rise to questions on environmental risk assessment and management. Among the pharmaceutical classes involved, substances such as anti-inflammatory drugs, steroid hormones, antibiotics and hypolipemiants are of particular concern. Present regulations do not take into account the medical effluents in the environment. A significant part of these substances is not destroyed in water treatment plants whereas veterinary substances are directly spread in the environment. Some molecules occur in particularly high concentrations as shown for...
Tipo: Text Palavras-chave: Médicaments; Produits pharmaceutiques; Vétérinaires; Cosmétiques; Émergents; Évaluation du risque environnemental; Risque chimique; Milieu marin; Pharmaceuticals; Ecotoxicity; Environmental risk assessment; Prioritization methods; Endocrine disruptors; Sewage; Sea water.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00066/17773/15295.pdf
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Coralline Algae, Important Coral-reef Builders Threatened by Pollution OceanDocs
Mohammed, S.M.; Björk, M.; Björklund, M.; Semesi, A..
The release of inorganic nutrients into the sea by domestic sewage is a major threat to many marine systems. This eutrophication affects coral-reef organisms indirectly by increased growth of microalgae, leading to increased sedimentation, decreased light availibility, rapid growth of opportunistic macroalgae, etc. In this paper, we report a decrease in the cover of important group of coral-reef builders, the coralline algae. This decrease might be caused by the outlets of sewage water from Zanzibar town. Laboratory and field experiments show that both the growth rate and the calcification of these organisms are negatively affected by high phosphate levels, but not by nitrate or ammonia.
Tipo: Journal Contribution Palavras-chave: Sewage; Algae; Eutrophication; Coral reefs; Nutrients; Environmental degradation; Http://aims.fao.org/aos/agrovoc/c_5274; Http://aims.fao.org/aos/agrovoc/c_34821.
Ano: 1995 URL: http://hdl.handle.net/1834/302
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Detection of Cryptosporidium spp. Oocysts in raw sewage and creek water in the city of São Paulo, Brazil BJM
Farias,Eveline Wilma Coutinho; Gamba,Rosa C.; Pellizari,Vivian Helena.
The protozoan parasite Cryptosporidium has emerged as one of the most important contaminants of water, causing waterborne outbreaks of gastroenteritis worldwide. To monitor and understand the public health significance of this pathogen in environmental samples, several methods have been developed to isolate and detect Cryptosporidium oocysts. The purpose of this study was to perform the first investigation on the presence of Cryptosporidium spp. oocysts in raw sewage and creek water in the city of São Paulo, Brazil. The oocysts were concentrated by flocculation and membrane filtration. The results showed the occurrence of Cryptosporidium spp. in all wastewater samples analyzed, indicating a possible risk for dissemination of these pathogens in aquatic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cryptosporidium spp.; Sewage; Creek waters.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822002000100008
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Estudio de línea base sobre el manejo de las aguas residuales domésticas en países de la Región del Gran Caribe OceanDocs
Palacios, Félix; Villasol, Antonio; Chabalina, Liuba; García, Ernesto; García, Orleans; Tosic, Marko.
Los vertidos de aguas residuales domésticas a las aguas marinas sin tratamiento apropiado constituyen una fuente importante de contaminación a la Región del Gran Caribe (RGC) y representa una amenaza para el desarrollo sostenible. El trabajo muestra un Estudio de Línea Base sobre el manejo de las aguas residuales domésticas en ecosistemas marino-costeros contaminados hot spots de Colombia (Bahía de Cartagena), Jamaica (Bahía de Kingston), Nicaragua (Bahía de Bluefields), Trinidad y Tobago (Golfo de Paria), Venezuela (Golfo de Cariaco), Guyana (Georgetown) y Suriname (Paramaribo) con un predominio de tanques sépticos, seguido del uso de letrinas y el alcantarillado sanitario, y se elaboran las bases para el diseño y planificación de planes de manejo...
Tipo: Preprint Palavras-chave: Sewage; Ecosystem management; Sewage; Http://aims.fao.org/aos/agrovoc/c_7007.
Ano: 2010 URL: http://hdl.handle.net/1834/3633
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Fate of organochlorine 14C-dicofol in a lab-scale wastewater treatment BJM
Oliveira,Jaime L. M.; Langenbach,Tomaz; Dezotti,Márcia.
The fate of organochlorine 14C-dicofol in activated sludge process was investigated. Results showed that the major part of radioactivity remained adsorbed on biological sludge. Consequently, its final disposal deserves special attention. The small amounts of dicofol, biotransformed or not, which remained in the treated effluent could contaminate receiving bodies.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sewage; Activated sludge; Organic micropollutants; Dicofol.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000200021
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Heavy metal tolerance (Cr, Ag and Hg) in bacteria isolated from sewage BJM
Lima e Silva,Agostinho A. de; Carvalho,Márcia A. Ribeiro de; Souza,Sérgio A. L de; Dias,Patrícia M. Teixeira; Silva Filho,Renato G. da; Saramago,Carmen S. de Meirelles; Bento,Cleonice A. de Melo; Hofer,Ernesto.
Samples of sewage from a university hospital and a chemistry technical school were analysed for the percentage of bacterial tolerance to chromium (Cr), silver (Ag) and mercury (Hg). Additionally, we investigated the effect of these metals on pigmentation and on some enzymatic activities of the metal tolerant strains isolated, as well as antimicrobial resistance in some metal tolerant Enterobacteriaceae strains. Tolerance to Cr was observed mainly in Gram positive bacteria while in the case of Ag and Hg the tolerant bacteria were predominately Gram negative. Hg was the metal for which the percentage of tolerance was significantly higher, especially in samples from the hospital sewage (4.1%). Mercury also had the most discernible effect on color of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metal tolerance; Sewage; Pigment; Enzymatic inhibition; Antimicrobial resistance.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000400047
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Hematological parameters of Pimelodus maculates (Osteichthyes: Pimelodidae) from polluted and non-polluted sites in the Itajaí-Açu river, Santa Catarina State, Brazil - DOI: 10.4025/actascibiolsci.v31i2.3267 Biological Sciences
Jerônimo, Gabriela Tomas; UFSC; Martins, Mauricio Laterca; UFSC; Bachmann, Fernanda; FURB; Greiner-Goulart, Juliane Araujo; FURB; Schimitt-Junior, Ayrton Adão; FURB; Ghiraldelli, Luciana; UFSC.
This study evaluated the hematological response of Pimelodus maculates captured in two environments with different levels of pollution in the Itajaí-Açu river, Santa Catarina State, southern Brazil. One of them, hereby named reference site, is a water captation site that supplies the city of Blumenau, in which the riparian forest is preserved and there is no sewage discharge. The other, denominated polluted site, is characterized by discharge of domestic sewage. After water quality analysis, fish were captured, transported to the laboratory and anesthetized for the hematological exam. In the polluted site, the most probable number of fecal coliforms and water transparency were respectively higher and lower than that observed at the reference site. The main...
Palavras-chave: 2.00.00.00-6 Ciências Biológicas siluriform fish; Hematology; Sewage; Water quality 2.00.00.00-6 Ciências Biológicas siluriform fish; Hematology; Sewage; Water quality.
Ano: 2009 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/3267
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Impact of wastewater treatment plant discharges on macroalgae and macrofauna assemblages of the intertidal rocky shore in the southeastern Bay of Biscay ArchiMer
Huguenin, L.; Lalanne, Y.; De Casamajor, Marie-noelle; Gorostiaga, J.-m.; Quintano, E.; Salerno, M.; Monperrus, M..
Rocky intertidal habitats are particularly vulnerable to anthropogenic pressures especially in areas with high urban concentrations such as southeastern Bay of Biscay. This research aims to establish an assessment of the potential impact of sewage discharges on intertidal rocky benthic assemblages on macroalgae and on macrofauna as required by the European Directives (Water Framework Directive -WFD and Marine Strategy Framework Directive -MSFD). The assemblages were sampled at five locations according to a control-impact design. A moderate detectable effect of discharges was highlighted on the assemblage structure by means of multivariate analyses but this was less evident using other biological and ecological metrics. Results would also suggest that...
Tipo: Text Palavras-chave: Benthic communities; Bioindicators; Impacts; Pollution; Sewage; Marine strategy framework directive.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00494/60587/64070.pdf
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Land Based Activities and Sources of Pollution to the Marine, Coastal and Associated Fresh Water Ecosystems in the Western Indian Ocean Region OceanDocs
Francis, J.; Mmochi, A.J..
The lack of infrastructure and treatment facilities for the large quantities of domestic sewage generated by expanding coastal urban populations, and an increasing number of visiting tourists, represents the greatest threat to public health, coastal habitats and economic development in each state of the region. Other priorities requiring action include the effects of siltation related to agricultural activity and the dumping of solid domestic waste in the coastal areas leading to the degradation of coastal habitats, with implications for fish stocks and catches. Furthermore, laws and policies regardinng waste disposal and quality of effluents need to be enacted and reinforced Although eutrophication and algal blooms associated with agricultural, industrial...
Tipo: Preprint Palavras-chave: Marine pollution; Freshwater pollution; Sewage; Freshwater environment; Coastal environment.
Ano: 2003 URL: http://hdl.handle.net/1834/209
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Metavirome Sequencing to Evaluate Norovirus Diversity in Sewage and Related Bioaccumulated Oysters ArchiMer
Strubbia, Sofia; Schaeffer, Julien; Oude Munnink, Bas B.; Besnard, Alban; Phan, My V. T.; Nieuwenhuijse, David F.; De Graaf, Miranda; Schapendonk, Claudia M. E.; Wacrenier, Candice; Cotten, Matthew; Koopmans, Marion P. G.; Le Guyader, Soizick.
Metagenomic sequencing is a promising method to determine the virus diversity in environmental samples such as sewage or shellfish. However, to identify the short RNA genomes of human enteric viruses among the large diversity of nucleic acids present in such complex matrices, method optimization is still needed. This work presents methodological developments focused on norovirus, a small ssRNA non-enveloped virus known as the major cause of human gastroenteritis worldwide and frequently present in human excreta and sewage. Different elution protocols were applied and Illumina MiSeq technology were used to study norovirus diversity. A double approach, agnostic deep sequencing and a capture-based approach (VirCapSeq-VERT) was used to identify norovirus in...
Tipo: Text Palavras-chave: Norovirus; Sewage; Oysters; Metagenomic sequencing; Metavirome.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00586/69765/67656.pdf
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Microbiological and physicochemical treatments applied to metallurgic industry aiming water reuse BABT
Bello,Antonio Roberto Crystal; Angelis,Dejanira de Franceschi de; Domingos,Roberto Naves.
A study was conducted on the reuse of the water in a system composed of a sewage treatment plant (STP) using prolonged aeration with activated sludge and a compact water treatment plant (CWTP) in a metallurgic industry. The processes for obtaining the water for reuse were microbiological and physicochemical. The domestic sewage was then pumped to the STP, where biological flocks were formed and clarified water was obtained. The efficiency of the microbiological process in the STP was evaluated for removal of biochemical oxygen demand (BOD), chemical oxygen demand (COD) and sedimentary solids (SS). The efficiency of physicochemical processes for clarifying the water and disinfection was evaluated through analysis of pH, turbidity, color, aerobic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Water; Reuse; Sewage; Microorganisms; Disinfection.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000200020
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Mise en evidence et evaluation de l'enrichissement bacterien du film de surface des eaux littorales d'effluents urbains ArchiMer
Beucher, M; Plusquellec, A; Legal, Y; Cleret, J.
Sea water samples were collected in the vicinity of urban non-treated, urban treated and industrial outfalls. The samples belonged to two differents types: the first one consisted of the surface film, the second was the corresponding water at 50 cm depth. The enumeration of the bacteria in both types of samples indicated a significant concentration of the mesophilic flora and of the indicators of fecal pollution in the surface film. The value of the concentrating factor depended largely on the nature of the sewage and did not reflect differences between the various bacterial groups. At one of the stations a very significant regression was demonstrated between surface sample and depth sample.
Tipo: Text Palavras-chave: Bacteria; Bacteriology; Bacterial counters; Industrial wastes; Pollution indicators; Coastal waters; Microbial contamination; Indicator species; Sewage; Outfalls; Surface films.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-1006.pdf
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