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Registros recuperados: 33
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NESTING HABITAT OF THE 'CUPISO' Podocnemis sextuberculata (TESTUDINES: PODOCNEMIDIDAE) IN EREPECU LAKE (PARÁ-BRAZIL) Acta biol.Colomb.
BERMUDEZ-ROMERO,Ana Lucía; CASTELBLANCO-MARTÍNEZ,Nataly; BERNHARD,Rafael; DUQUE,Santiago R; VOGT,Richard C.
The objective of this study was to identify and describe the nesting habitat of Podocnemis sextuberculata at Erepecu Lake, Trombetas River Biological Reserve, (REBIO-Trombetas; Pará-Brazil). Initially, the main features of the beaches that potentially determine the habitat selection by cupiso for nesting were described. The nests observed on the beaches were recorded, marked and fenced as protection from natural predators. Information regarding date and location was analyzed through simple linear regression for each nest in order to determine relationships between beach features and number of nests. The results showed a positive co-relationship between number of nests and area. Nest site selection by P. sextuberculata in the beaches of the Erepecu Lake...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazonas; Beaches; Distribution; Nests; Turtle.
Ano: 2015 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2015000200018
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Yeasts isolated from sand and sea water in beaches of Olinda, Pernambuco state, Brazil BJM
Loureiro,Silvia Tereza Azedo; Cavalcanti,Maria Auxiliadora de Queiroz; Neves,Rejane Pereira; Passavante,José Zanon de Oliveira.
The aim of this work was to isolate and identify yeasts from sand and sea water collected in two beaches of Olinda, Pernambuco state, Brazil. Thirty two samples of both sand and water in both beaches were obtained in the dry (December 2000 and February 2001) and rainy (June and July 2001) seasons. Two hundred and ninety two strains of yeast were obtained, and they belonged to four genera and 31 species. Candida was the most prevalent genus. Candida catenulata, C. fenica, C. sake, Brettanomyces bruxelenses and Rhodotorula mucilaginosa were the most commonly found species in both beaches Bairro Novo and Casa Caiada.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Yeast; Sand; Water; Beaches.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822005000400005
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Morphometric analysis of Capitella capitata (Polychaeta, Capitellidae) Iheringia, Sér. Zool.
Pardo,Erica Veronica; Teixeira,Laura Laund S.; Amaral,Antônia Cecília Z..
Accurate size measurements are fundamental in characterizing the population structure and secondary production of a species. The purpose of this study was to determine the best morphometric parameter to estimate the size of individuals of Capitella capitata (Fabricius, 1780). The morphometric analysis was applied to individuals collected in the intertidal zones of two beaches on the northern coast of the state of São Paulo, Brazil: São Francisco and Araçá. The following measurements were taken: the width and length (height) of the 4th, 5th and 7th setigers, and the length of the thoracic region (first nine setigers). The area and volume of these setigers were calculated and a linear regression analysis was applied to the data. The data were log-transformed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Capitellidae; Capitella capitata; Beaches; Intertidal; Morphometry.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212010000100002
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Global Distribution, Composition and Abundance of Marine Litter ArchiMer
Galgani, Francois; Hanke, Georg; Maes, Thomas.
Marine debris is commonly observed everywhere in the oceans. Litter enters the seas from both land-based sources, from ships and other installations at sea, from point and diffuse sources, and can travel long distances before being stranded. Plastics typically constitute the most important part of marine litter sometimes accounting for up to 100 % of floating litter. On beaches, most studies have demonstrated densities in the 1 item m−2 range except for very high concentrations because of local conditions, after typhoons or flooding events. Floating marine debris ranges from 0 to beyond 600 items km−2. On the sea bed, the abundance of plastic debris is very dependent on location, with densities ranging from 0 to >7700 items km−2, mainly in coastal...
Tipo: Text Palavras-chave: Marine litter; Plastic; Distribution; Beaches; Seafloor; Microplastics; Floating litter.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00667/77914/80097.pdf
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Extreme wave activity during 2013/2014 winter and morphological impacts along the Atlantic coast of Europe ArchiMer
Masselink, Gerd; Castelle, Bruno; Scott, Tim; Dodet, Guillaume; Suanez, Serge; Jackson, Derek; Floc'H, France.
Studies of coastal vulnerability due to climate change tend to focus on the consequences of sea level rise, rather than the complex coastal responses resulting from changes to the extreme wave climate. Here we investigate the 2013/2014 winter wave conditions that severely impacted the Atlantic coast of Europe and demonstrate that this winter was the most energetic along most of the Atlantic coast of Europe since at least 1948. Along exposed open-coast sites, extensive beach and dune erosion occurred due to offshore sediment transport. More sheltered sites experienced less erosion and one of the sites even experienced accretion due to beach rotation induced by alongshore sediment transport. Storm wave conditions such as were encountered during the 2013/2014...
Tipo: Text Palavras-chave: Waves; Storms; Beaches; Atlantic; Europe.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00606/71852/70473.pdf
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Les minéraux lourds des sables du littoral de la Guyane française : bilan sur l’origine des dépôts de la plate-forme des Guyanes ArchiMer
Pujos, M; Pons, Jc; Parra, M.
The distribution of heavy minerals on beaches and beach ridges sands of French Guiana shows three distinct suites from East to West: amphibole (largely dominant), staurolite, epidote and pyroxene off the Cayenne region, tourmaline and amphibole mainly off the Kourou-Mana, garnet, staurolite and tourmaline off the Mana-Maroni. A very good continuity exists between the assemblages of heavy minerals from the catchment area parent-rocks, the fluviatile sediments, the coastal zone and the shelf. The results of this study indicate and strengthen a local origin for the sandy sediments and do not support a possibility of an Amazonian source.
Tipo: Text Palavras-chave: Guyane française; Plages; Cordons sableux; Minéraux lourds; French Guiana; Beaches; Beach ridges sands; Heavy minerals.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00291/40271/38643.pdf
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EMODnet marine litter data management at pan-European scale ArchiMer
Molina Jack, Maria Eugenia; Chaves Montero, Maria Del Mar; Galgani, Francois; Giorgetti, Alessandra; Vinci, Matteo; Le Moigne, Morgan; Brosich, Alberto.
Marine litter is a growing problem for environmental and human health and policies have included monitoring as an important tool to evaluate both trends and the efficiency of reduction measures. The Marine Strategy Framework Directive is the main driver in Europe for the monitoring of the marine environment; it has included the evaluation of marine litter in order to support policies and achieve good environmental status. This assessment depends on the availability of robust, homogeneous data-sets at the European scale. A data management plan for marine litter has been developed at European level within the existing EMODnet network to collect, homogenise and provide access to standardised data-sets and data products that may be used as a basis for marine...
Tipo: Text Palavras-chave: Marine litter; Plastic; Beaches; Seafloor; Micro-litter; Micro-plastics; Floating litter.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00512/62343/66606.pdf
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Beaches and Bays with Picnic facilities OceanDocs
Padmanabhan, S..
This map highlights those beaches and bays with Picnic facilities
Tipo: Other Palavras-chave: Beaches; Bays; Beaches; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 2006 URL: http://hdl.handle.net/1834/2900
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Derrotero del Pacífico Colombiano OceanDocs
Díaz, G..
El derrotero, es un documento que contiene información de interés general para la población de una región costera, navegante y turistas; expresadas escrita y gráficamente a partir de la descripción del medio litoral de ésta nación marítima, de sus ilsas como también las condiciones principales de cada puerto, además de otras informaciones complemento de cartas y ayudas a la navegación.
Tipo: Journal Contribution Palavras-chave: Navigation; Beaches; Inland seas; Navigation; Beaches; Http://aims.fao.org/aos/agrovoc/c_15908; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 1998 URL: http://hdl.handle.net/1834/2462
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Caracterización de la micobiota marina en el litoral sur de Guantánamo, Cuba OceanDocs
Enríquez Lavandera, D.; Samón, E.; Núñez, R..
Los hongos se encuentran en todos los hábitats marinos, desde las zonas costeras hasta las profundidades oceánicas. Estos organismos comprenden un estimado de 1 500 especies, sin embargo, han sido descritas solamente unas 500. En los mares los hongos desarrollan un papel importante en la degradación de la materia orgánica y reciclaje de los bioelementos. En Cuba, hasta el momento han sido descritas 38 especies en la zona occidental. En este estudio se propuso caracterizar por primera vez la micobiota marina en cuatro playas del litoral sur de Guantánamo, para lo cual se empleó el método indirecto de incubación de sustratos vegetales en cámara húmeda. El procesamiento estadístico se realizó con el programa PRIMER 6 con datos de presencia-ausencia. Como...
Tipo: Preprint Palavras-chave: Beaches; Beaches; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 2010 URL: http://hdl.handle.net/1834/3626
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Beaches and Bays with Life Guards OceanDocs
Tipo: Other Palavras-chave: Bays; Beaches; Beaches; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 2006 URL: http://hdl.handle.net/1834/2881
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Beaches and Bays to see Turtle Nesting OceanDocs
Padmanabhan, S..
Tipo: Other Palavras-chave: Bays; Beaches; Beaches; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 2006 URL: http://hdl.handle.net/1834/2879
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Selección del sitio de anidación y éxito de eclosión en nidos de tortuga carey (Eretmochelys imbricata) OceanDocs
Medina Cruz, Y.; Moncada Gavilán, F.; Nodarse Abreu, G..
Se analizó la “Conducta selección del sitio de anidación” y su influencia sobre el éxito de eclosión en nidos de tortuga carey Eretmochelys imbricata en nueve playas índices del archipiélago Jardines de la Reina (El Guincho, Caballones Oeste, Caballones Este, El Dátiri, Los Pinos, Cachiboca, El Faro, La Ballena y Boca Seca). Se comprobó que la tortuga carey prefiere anidar en zonas de vegetación (Zona C), en la cual el número de nido resultó estadísticamente superior a la zona desprovista de vegetación (Zona B) y la zona intermareal (Zona A), encontrándose diferencias significativas entre la zona A y B solo en dos playas (El Guincho y la Ballena) con un nivel de confianza del 95 %. El éxito de eclosión entre la zona C y B, solo resultó estadísticamente...
Tipo: Journal Contribution Palavras-chave: Nesting; Turtle fisheries; Beaches; Hatching; Beaches; Nesting; Hatching; Http://aims.fao.org/aos/agrovoc/c_850; Http://aims.fao.org/aos/agrovoc/c_5140; Http://aims.fao.org/aos/agrovoc/c_3504.
Ano: 2010 URL: http://hdl.handle.net/1834/4095
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Popular Dive Sites in North West, Tobago OceanDocs
Padmanabhan, S..
This map highlights popular dive sites in the Northwestern half of Tobago
Tipo: Other Palavras-chave: Deep-sea diving; Bays; Beaches; Beaches; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 2006 URL: http://hdl.handle.net/1834/2897
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Comportamiento de playa Los Pinos y Norte en Cayo Paredón Grande, Ciego de Ávila, Cuba OceanDocs
Rodríguez Quintana, Y.; Martínez Martínez, Y..
En Cuba, el turismo es uno de los principales renglones económicos, desarrollándose fundamentalmente el turismo de sol y playa. Las playas mejor potenciadas para el desarrollo turístico se distribuyen a lo largo de las costas exteriores del Archipiélago cubano, dentro de las que destacan las existentes en la cayería norte de Ciego de Ávila, donde se encuentra Cayo Paredón Grande. El estudio de las playas en esta cayería se concentra fundamentalmente en Cayo Coco. En este trabajo se determina el comportamiento anual de variables morfológicas y sedimentológicas con el procesamiento de 140 muestras de arena y 144 perfiles de playa, para establecer patrones de funcionamiento de las playas Los Pinos y Norte. Las variaciones morfológicas anuales que sufren estas...
Tipo: Journal Contribution Palavras-chave: Beaches; Beaches; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 2009 URL: http://hdl.handle.net/1834/3421
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Estudio composicional de las arenas ferrotitaníferas del sector comprendido entre el Estero Data de Posorja y el Monasterio de Santa Teresa, Provincia del Guayas, Ecuador OceanDocs
Soledispa, B.; Villacres, J..
En el presente artículo se trata de remarcar las características mineralógicas y la génesis de este tipo de arena en un sector de Playa situada en la zona costera de la provincia del Guayas. Se pretende con este estudio:-Establecer las condiciones y mecanismos que favorecieron la acumulación de las arenas ferrotitaníferas en las playas, así como su potencial económico y su probable extensión a la zona sumergida. -Estudiar estos minerales detríticos pesados, como posible fuente para la obtención de hierro y titanio. -Iniciar el inventario de estos depósitos a nivel nacional.
Tipo: Journal Contribution Palavras-chave: Sediment composition; Mineral composition; Igneous rocks; Beaches; Beaches; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 1990 URL: http://hdl.handle.net/1834/2180
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Dynamique sédimentaire et répartition granulométrique des sédiments de surface dans la frange littorale Ras Taguermess-Ras Marmour (golfe de Gabès) OceanDocs
Brahim., M.; Abdelfattah., A..
Les analyses granulométriques des sédiments superficiels de la zone côtière située entre Ras Taguermess et Ras Marmours montrent que les petits fonds (-2 à -10 m) sont couverts par des sables fins aux sables grossiers (la moyenne est entre 0,39 et 3,34 ), généralement mal à très mal classés. Cependant, le haut de plage situé entre Ras Taguermess et Ras Marmour est couvert essentiellement par des sables fins et des sables moyens (la moyenne est entre 1,082 et 2,823 ). La répartition spatiale des sables ne montre pas un grano-classement décroissant ou croissant des sédiments de la côte vers le large. Cette distribution est due à l‘existence d’une énergie importante où la houle joue le rôle essentiel sur leur répartition. L’étude granulométrique montre aussi...
Tipo: Journal Contribution Palavras-chave: Beaches; Coastal zone; Grading; Grain size; Longshore sediment transport; Sand; Sediment analysis; Sediment texture; Sediments; Swell.
Ano: 2009 URL: http://hdl.handle.net/1834/4456
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Problemática ambiental de tres ecosistemas costeros del poblado Baracoa: impactos y soluciones OceanDocs
Rivas Rodríguez, L.; Perigó, E.; Izquierdo Álvarez, M.; Miravet Regalado, M.E..
El objetivo del presente trabajo fue identificar y evaluar los impactos ambientales negativos originados por el hombre, tanto directos como indirectos, en tres de los principales ecosistemas costeros del poblado de Baracoa: la laguna costera El Doctor, la playa Baracoa y el estuario de río del mismo nombre. Para la evaluación de los impactos se empleó la metodología RIAM. Se identificaron un total de 30 impactos, los cuales se vincularon con el factor ambiental que afectan y las acciones que los originan. Se propusieron medidas de mitigación o correctoras para cada caso, con el propósito de combatir o erradicar las causas que los provocan. El análisis de los resultados posibilitó identificar a las aguas superficiales y marinas como el factor ambiental más...
Tipo: Journal Contribution Palavras-chave: Water quality; Beaches; Man-induced effects; Water quality; Beaches; Http://aims.fao.org/aos/agrovoc/c_16061; Http://aims.fao.org/aos/agrovoc/c_850.
Ano: 2009 URL: http://hdl.handle.net/1834/3399
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Dynamique sédimentaire et répartition granulometrique des sédiments de surface dans la frange littorale Ras Taguermess-Ras Marmour (golfe de Gabès) OceanDocs
Brahim., M.; Atoui, A..
Les analyses granulométriques des sédiments superficiels de la zone côtière située entre Ras Taguermess et Ras Marmours montrent que les petits fonds (-2 à -10 m) sont couverts par des sables fins aux sables grossiers (la moyenne est entre 0,39 et 3,34 ), généralement mal à très mal classés. Cependant, le haut de plage situé entre Ras Taguermess et Ras Marmour est couvert essentiellement par des sables fins et des sables moyens (la moyenne est entre 1,082 et 2,823 ). La répartition spatiale des sables ne montre pas un grano-classement décroissant ou croissant des sédiments de la côte vers le large. Cette distribution est due à l‘existence d’une énergie importante où la houle joue le rôle essentiel sur leur répartition. L’étude granulométrique montre aussi...
Tipo: Journal Contribution Palavras-chave: Beaches; Coastal zone; Grading; Longshore sediment transport; Sediment analysis; Sediment texture; Sediments; Swell.
Ano: 2009 URL: http://hdl.handle.net/1834/4445
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The Assessment of Water Quality and Pollution in Tanzania OceanDocs
Mohammed, S.M..
The coastal area of Tanzania (Fig. 1) encompasses a number of habitats that include coral reefs, mangroves, seagrass beds, sand banks, wetlands and beaches, among others. In addition to being essential linkages in the overall functioning of the coastal area, these coastal habitats support various resources both living and non-living. In addition, for generations the coastal area has provided life support to coastal communities where such activities as fisheries and related activities have played an important role in the social and economic development of local communities. In recent years, coastal tourism and mariculture have immerged as being potentially among most important economic activities nationally. The well being of these habitats and resources...
Tipo: Preprint Palavras-chave: Coral reefs; Mangroves; Seagrass; Wetlands; Beaches; Water quality; Pollution.
Ano: 2000 URL: http://hdl.handle.net/1834/183
Registros recuperados: 33
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