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Registros recuperados: 17
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Biogeografía y análisis retrospectivo de Alexandrium catenella (Dinoflagellata) en la zona austral de Chile OceanDocs
Villanueva Sanhueza, F.A..
Actualmente la intensidad, duración y cobertura geográfica de las FAN producidas por la especie Alexandrium catenella (Whedon & Kofoid, Balech 1985), en el sur de Chile han aumentado desde 1972 hasta 2005, extendiéndose desde la XII Región hasta la X Región. De una estación fija ubicada en la XI Región, denominada “Nueva Hammerfest”, se analizó una serie de tiempo desde 1993 a 2005, con el fin de determinar si la presencia de A. catenella está relacionada con eventos tóxicos de esta especie observados en la zona austral de Chile. El análisis se basó en el recuento de células de muestras de red, estimación de Índices de Abundancia Relativa y relaciones de dependencia de la especie con registros de temperatura del agua. Se recolectaron 537 muestras de...
Tipo: Theses and Dissertations Palavras-chave: Biogeography; Phytoplankton; Red tides.
Ano: 2005 URL: http://hdl.handle.net/1834/4917
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Bloom de Noctiluca scintillans y Ceratium dens en el Golfo de Guayaquil (2004) OceanDocs
Torres, G.; Palacios, C..
El objetivo de este estudio fue difundir las investigaciones del bloom de C. dens y N. scintillans ocurridos en el Golfo de Guayaquil como parte del Proyecto de Mareas Rojas desarrollado por el Instituto Oceanográfico de la Armada (INOCAR).
Tipo: Journal Contribution Palavras-chave: Algal blooms; Red tides; Algae; Species diversity; Phytoplankton; Phytoplankton; Algal blooms; Algae; Species diversity; Http://aims.fao.org/aos/agrovoc/c_13344; Http://aims.fao.org/aos/agrovoc/c_32367; Http://aims.fao.org/aos/agrovoc/c_258; Http://aims.fao.org/aos/agrovoc/c_33954.
Ano: 2007 URL: http://hdl.handle.net/1834/2359
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Calidad ambiental del bloom algal en área urbana del Estero Salado (Ciudad de Guayaquil) en junio 2005 OceanDocs
Torres, G.; Palacios, C..
Este artículo tiene como objetivo caracterizar la calidad ambiental físico-química de la marea roja en el Estero Salado en junio del 2005.
Tipo: Journal Contribution Palavras-chave: Algal blooms; Red tides; Algae; Environmental monitoring; Water quality; Marshes; Environmental monitoring; Water quality; Algal blooms; Algae; Marshes; Http://aims.fao.org/aos/agrovoc/c_37876; Http://aims.fao.org/aos/agrovoc/c_16061; Http://aims.fao.org/aos/agrovoc/c_32367; Http://aims.fao.org/aos/agrovoc/c_258; Http://aims.fao.org/aos/agrovoc/c_4631.
Ano: 2007 URL: http://hdl.handle.net/1834/2363
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Dinoflagelles toxiques sur les cotes francaises durant l'ete 1983. Synthese des connaissances sur les efflorescences estivales de Dinophysis et Gyrodinium. ArchiMer
Marcaillou-le Baut, Claire.
The authors summarize briefly the information given by the foreign studies on two toxic marine dinoflagellates and present the situations observed in 1983 on the coasts of Normandy and Brittany.
Tipo: Text Palavras-chave: France; ANE; Gyrodinium aureolum; Dinophysis acuminata; Phytoplankton; Red tides; Biological poisons; Algal blooms.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/publication-1804.pdf
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Dinoflagelles toxiques sur les cotes francaises pendant l'ete 1983. Extension du dinoflagelle Dinophysis acuminata en Bretagne sud et consequences pour les cultures marines. ArchiMer
Lassus, Patrick; Martin, A; Maggi, Pierre; Berthome, Jean-paul; Langlade, Aime; Bachere, Evelyne.
Discolored waters and human diseases by shellfishes were dominant features of summer 1983 in south coast of Brittany. Vilaine Bay, the most damaged area, was successively affected by brown waters in early June, and diarrhetic intoxications by harvested mussels (July and August), just as DPS producing dinoflagellate (D. acuminata ) reached higher water or mussel guts concentrations than years before. Outspreading in the whole south coast of Brittany and possible relation with hydrological or biological parameters are analyzed.
Tipo: Text Palavras-chave: Brittany; France; ANE; Protista; Dinophysis acuminata; Shellfish culture; Red tides; Biological poisons; Toxicants.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/publication-1805.pdf
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Dinoflagelles toxiques sur les cotes francaises pendant l'ete 1983. Manifestations de Dinophysis acuminata sur le littoral normand. ArchiMer
Paulmier, Gerard; Joly, Jean-pierre.
Numerous cases of food poisoning were observed in South Normandy during the summer 1983 and attributed to shellfish consumption. At the same time a dinoflagellate Dinophysis acuminata was found in the Bay of Seine and in north Normandy where high concentrations induced "red waters". The observation of the stomach contents of the mussels showed that this Dinophysis was one of the main constituents of the alimentary bolus. The toxicity of type DSP, determined by the mouse-test, is more or less correlated with the abundance coefficient of D. acuminata . Its space distribution also seems connected to the tidal movements.
Tipo: Text Palavras-chave: Normandy; France; ANE; Dinophysis acuminata; Food poisoning; Stomach content; Mussel culture; Red tides; Biological poisons.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/publication-1807.pdf
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Dinoflagelles toxiques sur les cotes francaises pendant l'ete 1983. Perturbations des ecosystemes en baie de Vilaine. Analyse des successions phytoplanctoniques precedant l'apparition d'un dinoflagelle toxique. ArchiMer
Pierre, Marie-josé; Lassus, Patrick.
The incidence of phytoplankton communities sequences on toxic dinoflagellate Dinophysis acuminata occurrence was studied in the course of summer 1983, in Vilaine Bay. Despite difficulties in finding obvious relationship between occurrences of that species in the fields and preceding species it nevertheless may be emphasized: 1) a real perturbation of ecosystems is noticeable (rank-frequency diagrams); 2) the amount of sampling stations might be reduced in so far as representative stations are maintained.
Tipo: Text Palavras-chave: Vilaine Bay; Brittany; France; ANE; Dinophysis acuminata; Ecosystem disturbance; Red tides; Phytoplankton; Ecological succession.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/publication-1806.pdf
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Dinoflagelles toxiques sur les cotes francaises pendant l'ete 1983.Validite du test-souris pour le controle routinier de secteurs mytilicoles contamines par la toxine du Dinophysis. ArchiMer
Marcaillou-le Baut, Claire; Le Dean, Loic; Truquet, Philippe.
Following exceptional outbreak of toxic dinoflagellate species in Vilaine Bay (summer 1983) a survey was carried out: variations in phytoplankton abundance and distribution in water and in mussel guts were followed. In the same time toxicity studies using mouse-test were performed with contaminated shellfishes, and mouse-test calibration was attempted. In spite of sampling and analysis conditions could be open to criticism, results obviously showed relation between shellfishes toxicity and occurrence of responsible species: Dinophysis acuminata.
Tipo: Text Palavras-chave: Brittany; France; ANE; Dinophysis acuminata; Red tides; Toxicity tests; Food poisoning; Biological poisons; Mussel culture.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/publication-1808.pdf
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Floración algal ocasionada por Prorocentrum mexicanum en el canal de Jambelí OceanDocs
Coello, D.; Cajas, J.; Macías, P.; Lindao, J..
Se presentan los resultados obtenidos de un muestreo realizado en el estuario interior del Golfo de Guayaquil con respecto a la presencia de una marea roja en el Canal de Jambelí frente a las poblaciones de Balao Grande y Tenguel. Se determinaron cuatro estaciones a lo largo del canal y en el estero cercano. Tanto la densidad y composición de fitoplancton, zooplancton e ictioplancton correspondieron a lo esperado para la zona, con excepción de la estación tres ubicada frente a la isla Puna, donde se observó espuma de color café oscuro distribuida a manera de franja, la cual sería resultado de la proliferacion (6.1 x 106 cel.I-1), del dinoflagelado Prorocentrum mexicanum Tafall (Synonyms Prorocentrum maximun Schiller), especie conocida como cosmopolita,...
Tipo: Journal Contribution Palavras-chave: Algal blooms; Red tides; Sampling; Plankton.
Ano: 2010 URL: http://hdl.handle.net/1834/4836
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Hidrología y condiciones ambientales que determinan la proliferación de dinoflagelados causantes de marea roja en la Bahía de Mazatlán, Sin., México OceanDocs
Alonso, R..
El presente estudio se llevó a cabo con el propósito de conocer algunas de las condiciones hidrológicas y ambientales presentes durante la formación, el desarrollo y la terminación de eventos de “marea roja” en la temporada invierno-primavera en la bahía de Mazatlán, ello con el interés de explicar su origen. Los cambios de temperatura y salinidad a mediados de marzo del 2000, provocaron el aumento de la densidad del agua (-t) de manera significativa, coincidiendo con el inicio de la temporada de “mareas rojas” en el período de estudio. Las condiciones hidrológicas, durante el desarrollo de estos eventos, estuvieron enmarcadas por condiciones de alta estratificación de la columna de agua, lo cual fue corroborado por la aplicación de varios índices que...
Tipo: Theses and Dissertations Palavras-chave: 972; Red tides; Environmental conditions; Environmental conditions; Http://aims.fao.org/aos/agrovoc/c_32980.
Ano: 2004 URL: http://hdl.handle.net/1834/3446
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La Baie de Seine: Utilisation, environnement. Synthese des discussions ArchiMer
Mauvais, J.
This report synthesizes the communications about the processes set in motion or accelerated by man's actions in the Seine Bay. They are grouped in three categories: fishing and pollution and estuarine equipment; colored waters and pollution; and estuarine equipment.
Tipo: Text Palavras-chave: Red tides; Port installations; Estuarine fisheries; Environmental impact; Brackishwater pollution; Coastal zone management; Estuaries.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1322.pdf
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Les phenomenes d'eaux colorees en Baie de Seine ArchiMer
Paulmier, Gerard; Joly, Jean-pierre.
Colored waters observed along the French coast are the result of growth of a diversity of phytoplanktonic microorganisms. The authors suggest that all species associated with favorable conditions can cause this tide.
Tipo: Text Palavras-chave: Species diversity; Phytoplankton; Environmental factors; Algal blooms; Red tides.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1320.pdf
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L'eutrophisation des eaux marines et saumâtres en Europe, en particulier en France ArchiMer
Menesguen, Alain; Aminot, Alain; Belin, Catherine; Chapelle, Annie; Guillaud, Jean-francois; Joanny, Michel; Lefebvre, Alain; Merceron, Michel; Piriou, Jean-yves; Souchu, Philippe.
In order to be able to count the cases of coastal eutrophication and to propose methods to monitor as well as to reduce these phenomena, first of all it is necessary to precisely define the word eutrophication itself. Instead of the strict etymological definition, that is to say a progression of the enrichment of a medium, we will rather retain the concept of a state enriched at a point such as it causes harmful effects on the ecosystem, and nuisances to man's activities. Based on the average chemical equations of the organic matter synthesis/degradation in the sea, this operational definition thus puts forwards the harmful consequences of enrichment, i.e. the production of an excessive algal biomass, sometimes unbalanced from the point of view of...
Tipo: Text Palavras-chave: Alexandrium; Phaeocystis; Monostroma; Ulva; Dilution plume; Water trapping; Anoxia; Nitrogen and phosphorus loadings; Red tides; Phytoplankton blooms; Green tides; Eutrophication; Alexandrium; Phaeocystis; Monostroma; Ulva; Panache de dilution; Confinement; Anoxie; Phosphate; Nitrate; Apports terrigènes; Eaux colorées; Blooms phytoplanctoniques; Marées vertes; Eutrophisation.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/2001/rapport-22.pdf
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Marea roja en el Canal de Beagle OceanDocs
Vinuesa, J.H..
Tipo: Journal Contribution Palavras-chave: Red tides; Toxicity; Toxicity; Http://aims.fao.org/aos/agrovoc/c_7826.
Ano: 1993 URL: http://hdl.handle.net/1834/3683
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Marea roja ocasionada por <i>Scripsiella trochoidea</i> en el estuario del río Chone OceanDocs
Coello, D..
Se presentan los resultados obtenidos durante un evento de marea roja en el estuario del río Chone y que las variables físicas, químicas, planctónicas y de contenido estomacal. Se considera que la marea roja registrada fue originada por <i>Scripsiella trochoidea</i> y no habría tenido características tóxicas y que la mortalidad de chuhueco <i>Cetengraulis mysticetus</i>, habría sido resultado de los descensos del oxígeno que habría provocado esta proliferación algal.
Tipo: Journal Contribution Palavras-chave: Red tides; Mortality causes; Physicochemical properties; Stomach content; Phytoplankton.
Ano: 2010 URL: http://hdl.handle.net/1834/5381
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Mareas rojas durante 1989-1999, en aguas ecuatorianas OceanDocs
Torres, G..
En el presente artículo se va a referir principalmente a los eventos de Marea Roja (MR) registrados entre 1989-1999 (Fig. 1y2).
Tipo: Journal Contribution Palavras-chave: Red tides; Phytoplankton; Public health; Phytoplankton; Public health; Http://aims.fao.org/aos/agrovoc/c_13344; Http://aims.fao.org/aos/agrovoc/c_6349.
Ano: 2000 URL: http://hdl.handle.net/1834/2242
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Seasonal incidence of red tides in the Bay of Santa Marta and adjacent sectors, Colombian Caribbean Boletín de Investigaciones
Arbeláez M,Natalia; Franco-Angulo,Julián; Espinosa,Luisa F.
ABSTRACT In order to describe the environmental and climatic conditions associated with the occurrence of six red tide events between 2010 and 2017, in Santa Marta (Colombian Caribbean), biological and physicochemical information during these events was collected. Additionally, precipitation data and the Oceanic Niño Index (ONI) between 2010 and 2017 were consulted. The results showed that the dinoflagellate Cochlodinium sp. was responsible for three events that occurred in October 2010, October 2011 and November 2015, reaching a maximum densities of 5 x 106 cells L-1. These events were associated with an increase in rainfalls and seawater surface temperature (29.7 °C) and a decrease in salinity (< 35.5). The Mesodinium cf. rubrum ciliate was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Red tides; Algae blooms; Climatic variability; Colombian Caribbean.
Ano: 2020 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612020000200049
Registros recuperados: 17
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