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Registros recuperados: 103
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A proposed ecosystem-based management system for marine waters: linking the theory of environmental policy to the practice of environmental management Ecology and Society
O'Higgins, Tim; Scottish Association for Marine Science (SAMS), Scottish Marine Institute, Scotland; Tim.O'Higgins@sams.ac.uk; Cormier, Roland; Gulf Fisheries Centre, Fisheries and Oceans Canada; Roland.Cormier@dfo-mpo.gc.ca; Diedrich, Amy; School of Earth and Environmental Sciences, James Cook University, Australia; amy.diedrich@jcu.edu.au.
New coastal and marine management strategies have recently been developed in many countries and regions. From an ecosystem approach perspective, the aim of such strategies is the maintenance of ecosystem integrity while enabling the sustainable use of ecosystem goods and services. There is, however, a need for harmonized definitions and standardized processes to deal not only with the interjurisdictional and multidisciplinary complexities that are associated with such strategies but also with the extensive timelines and resources implicated in the planning and implementation of these strategies. The ecosystem-based management system proposed here is based on three pillars that facilitate the integration of an ecosystem approach to coastal and oceans policy...
Tipo: Peer-Reviewed Reports Palavras-chave: Ecosystem approach; Ecosystem-based management; Ecosystem goods and services; Environmental management; Marine environment; Marine ecosystems; Marine management strategy; Oceans policy.
Ano: 2014
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A Reference Guide on t he Use o f Indicators for Integrated Coastal Management OceanDocs
Belfiore, S.; Balgos, M.; McLean, B.; Galofre, J.; Blaydes, M.; Tesch, D..
This first issue is devoted to the use of indicators for ICAM, and is a direct result of the IOC-DFO-NOAA-CSMP International Workshop on the same topic, organised in May 2002, in Ottawa. Based on a background paper prepared by the Center for the Study of Marine Policy (University of Delaware) in preparation for the workshop, the aim of this Reference Guide is to present a literature review on the use of indicators around the world, from various programmes and projects, at global, regional, national and local scale.The need for indicators and reporting techniques which reflects the performance of coastal management projects and programmes and reveals the complex relationship that exist between coastal ecosystem health and anthropogenic activities,...
Tipo: Book Palavras-chave: Oceanography; Coastal oceanography; Coastal zone management; Marine ecology; Marine environment; Environment management; Socioeconomic aspects; Policies; Marine environment; Marine ecology; Policies; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_4609; Http://aims.fao.org/aos/agrovoc/c_6062.
Ano: 2003 URL: http://hdl.handle.net/1834/2677
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Actividad antioxidante del alga Ulva fasciata Delile sometida a distintos niveles de contaminación marina OceanDocs
Hernández, Y.; Laguna, A.; Fernández, M.D.; Valdés, O.; Regalado, E.L..
Ha sido demostrado, por otros autores, que el alga Ulva fasciata Delile posee una actividad antioxidante promisoria y en el presente trabajo evaluamos si la actividad antioxidante de muestras de esta alga puede ser influenciada por la adsorción de metales, pesados y otros por parte del alga. U. fasciata fue colectada en tres zonas de las costas de la Ciudad de la Habana que presentan diferentes niveles de eutrofización: 1) la desembocadura del Río Quibú, un río que atraviesa una importante zona industrial de la capital cubana y en la cual la concentración de metales acumulados por el alga fue mayor; 2) la zona del Malecón habanero, que recibe la contaminación de la bahía de la Habana y del Río Almendares pero no de forma directa, donde presentó valores...
Tipo: Journal Contribution Palavras-chave: Algae; Marine environment; Heavy metals; Marine environment; Heavy metals; Algae; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_2223; Http://aims.fao.org/aos/agrovoc/c_258.
Ano: 2008 URL: http://hdl.handle.net/1834/2919
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Actividades desarrolladas en la colección de bacterias marinas. OceanDocs
Morales, M.; Ortiz, E.; Villaverde, M.; Caballero, V.; Miranda, A.; Fonseca, E.; Núñez, R..
En la Colección de Bacterias Marinas se conservan aislamientos procedentes de diferentes regiones del archipiélago cubano. Aquí se desarrollan actividades de investigación y servicios, entre las primeras se encuentran los estudios para la conservación de las cepas a mediano y largo plazo, la determinación taxonómica de sus componentes, la evaluación de bioactividades con aplicación en la industria médico-farmacéutica y en el saneamiento ambiental y la actualización de la base de datos asociada. Entre las actividades de servicios se encuentran el mantenimiento y caracterización de las cepas, así como el suministro a los usuarios.
Tipo: Journal Contribution Palavras-chave: Marine organisms; Marine environment; Marine environment; Http://aims.fao.org/aos/agrovoc/c_4610.
Ano: 2006 URL: http://hdl.handle.net/1834/2922
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Aire marine protégée, gestion halieutique, diversification et développement local: le cas de la reserve de biosphère du Delta du Saloum (Sénégal) OceanDocs
Sarr, O..
Cette thèse étudie le problème de la gestion des pêches au sein d’une AMP, en tenant compte du système économique global ainsi que des transformations structurelles qui affectent celui ci, et en diversifiant les critères de gestion. Le cas d’étude est la RBDS (Sénégal). Une enquête de terrain montre que la population de cette localité diversifie ses activités essentiellement entre l’agriculture, la pêche et le tourisme. Une analyse économétrique indique que la démographie, la sécheresse et la baisse du prix de l’arachide sur le marché mondial sont les principales causes de la crise agricole dans la région. Cette crise favorise la diversification vers la pêche. Un modèle théorique étudiant ce processus montre qu’il conduit la pêche à l’équilibre de libre...
Tipo: Theses and Dissertations Palavras-chave: Marine environment; Fishery management; Ecology; Tourism; Socioeconomic aspects; Fishery resources; Marine environment; Fishery management; Ecology; Tourism; Fishery resources; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_24026; Http://aims.fao.org/aos/agrovoc/c_2467; Http://aims.fao.org/aos/agrovoc/c_7822; Http://aims.fao.org/aos/agrovoc/c_2942.
Ano: 2005 URL: http://hdl.handle.net/1834/2617
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Alimentación de la merluza (Merluccius hubbsi) en el Golfo San Jorge y aguas adyacentes OceanDocs
Sánchez, F..
The information obtained in summer research cruises carried out in 1995, 1999 and 2002 allowed to determine the trophic spectrum of common hake (Merluccius hubbsi) and to estimate anchovy (Engraulis anchoita) and hake consumption in the nursery area of the San Jorge Gulf and shelf adjacent waters (Argentine Sea, SW Atlantic). The area surveyed extended from 44ºS to 47ºS and between the 50-100 m isobaths. In the stomach content the most frequent items were crustaceans followed by fish. In all size groups sampled the presence of anchovy and common hake was observed. In the area assessed consumption of anchovy, weighted for the three summer months of 1995 was 56,639 t. The greatest predation pressure was observed on classes between 14-16 cm TL. Hake...
Tipo: Journal Contribution Palavras-chave: Predation; Trophic relationships; Marine environment; Predation; Marine environment; Http://aims.fao.org/aos/agrovoc/c_6162; Http://aims.fao.org/aos/agrovoc/c_4610.
Ano: 2009 URL: http://hdl.handle.net/1834/3457
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Análisis de la utilización de la captura por unidad de esfuerzo de pescadilla de red (Cynoscion guatucupa) como índice de abundancia anual. Período 1992-2004 OceanDocs
Perrotta, R.G.; Ruarte, C.O..
The stripped weakfish (Cynoscion guatucupa) caught in Brazil, Uruguay and Argentina (SW Atlantic) has a wide latitudinal distribution (22° S-43° S). In Argentina there are two main fishing areas, the Argentine-Uruguayan Common Fishing Zone and 'El Rincón', southern zone of the Buenos Aires littoral. The importance of the species makes it necessary to define an annual abundance index that would allow to diagnose the state of the stock. The model adjusted to calculate the index is the General Linear Model. The factors used were Year, Quarter, Length, Stratum (4 categories) and sub-areas (5 categories), all statistically significant. The problem generated by the presence in the model of first order interactions that include the Year factor is discussed. The...
Tipo: Journal Contribution Palavras-chave: Catch/effort; Mathematical models; Coastal fisheries; Marine environment; Marine environment; Mathematical models; Coastal fisheries; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_24199; Http://aims.fao.org/aos/agrovoc/c_1696.
Ano: 2009 URL: http://hdl.handle.net/1834/3461
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Análisis de las capturas de atunes realizadas por dos buques pesqueros de Mar del Plata, Argentina, entre enero y abril de 2010 OceanDocs
Garciarena, A.D..
Data obtained by observers on board of two fishing vessels during six trips carried out between January-April 2010 to catch tuna were analyzed. Thirty-four fishing days were completed and of the 59 trawls performed 37 turned out positive (with tuna catches). The fishing gear consisted of a purse seine net. Exploitation took place within the Argentine-Uruguayan Common Fishing Zone, between 36° S-39° S. The main landings occurred in March and consisted of slender tuna, Allothunnus fallai (57%), followed by albacore, Thunnus alalunga (28.5%), in January and bonito, Sarda sarda (14%), in April. Sea surface temperature ranged 16 °C-19 °C. A total of 25 length frequency samples allowed to measure individuals of the species above mentioned and those of skipjack...
Tipo: Journal Contribution Palavras-chave: Tuna fisheries; Catch statistics; Commercial fishing; Allothunnus fallai; Thunnus alalunga; Sarda sarda; Observers; Marine environment.
Ano: 2011 URL: http://hdl.handle.net/1834/4882
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Assessment of Land-based Sources and Activities. Affecting the Marine Environment OceanDocs
The Red Sea and Gulf of Aden (Figure 1.1) constitute a unique ecosystem with high biological diversity. Their natural resources provide a substantial economic support for the region: in addition to the fishery industry, which has ensured food security to many people of the region and created jobs for others, tourism is an ever growing and increasingly important industry for commerce and other economic activities. Hence, the marine environment should be well protected from the adverse impacts of pollution to ensure the sustainable use of its resources and good health of its users. Continuous degradation of the marine environment poses a threat to public health through the contamination of seafood, direct contact and digestion of polluted water. Damage to...
Tipo: Report Palavras-chave: Marine environment.
Ano: 1997 URL: http://hdl.handle.net/1834/285
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Bioactive peptides from marine sources: pharmacological properties and isolation procedures OceanDocs
Aneiros, A.; Garateix, A..
Marine organisms represent a valuable source of new compounds. The biodiversity of the marine environment and the associated chemical diversity constitute a practically unlimited resource of new active substances in the field of the development of bioactive products. In this paper, the molecular diversity of different marine peptides is described as well as information about their biological properties and mechanisms of action is provided. Moreover, a short review about isolation procedures of selected bioactive marine peptides is offered. Novel peptides from sponges, ascidians, mollusks, sea anemones and seaweeds are presented in association with their pharmacological properties and obtainment methods.
Tipo: Journal Contribution Palavras-chave: Marine environment; Marine organisms; Peptides; Bioactive compounds; Marine environment; Peptides; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_5691.
Ano: 2004 URL: http://hdl.handle.net/1834/2921
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Biología y ecología reproductiva de las especies del Género Bathyraja (Elasmobranchii, Rajidae) en la plataforma continental Argentina OceanDocs
Scenna, L.B..
Se estudia la biología y ecología reproductiva de las ocho especies de Bathyraja presentes en la plataforma continental argentina (Atlántico S.O.), a través del análisis del tamaño corporal, las cápsulas de huevos, el desarrollo de los embriones, la talla de madurez sexual, las variaciones en las condiciones reproductivas, las áreas de puesta y la segregación espacial de los individuos. El material examinado provino de campañas de investigación llevadas a cabo por el Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP) entre 34º40'S y 54º30'S, desde septiembre 2003 hasta octubre 2007. La información presentada en el trabajo demuestra que las especies del Género Bathyraja en la plataforma argentina maduran a una talla alta en relación a la Lt...
Tipo: Theses and Dissertations Palavras-chave: Reproduction; Biogeography; Morphometry; Fish eggs; Sexual maturity; Spawning grounds; Marine fish; Rajidae; Marine environment.
Ano: 2011 URL: http://hdl.handle.net/1834/4776
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Canary Current : Under threat from the super-net OceanDocs
Griffith, L..
As over-fishing leads to catch restrictions in some parts of the world, government-subsidized commercial fleets are turning to the rich waters off West Africa. That is bad news for countries such as Mauritania - and for the marine environment
Tipo: Other Palavras-chave: Marine environment; Overfishing.
Ano: 1998 URL: http://hdl.handle.net/1834/645
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Caracterización de la calidad del agua al norte de Villa Clara, Cuba, para definir zonas de cultivo del ostión de mangle (Crassostrea rhizophorae, Guilding, 1828) OceanDocs
Betanzos, A.; Arencibia, G.; Nodar, R..
Con el objetivo de determinar la factibilidad de reactivar la ostricultura al Norte de Villa Clara, Cuba, se realizaron dos cruceros de investigación en febrero y mayo de 2006, meses de seca y lluvia respectivamente. La temperatura del agua presentó valores entre 24,8 y 28,8˚ C; la salinidad mostró valores extremos entre 37 y 39,5; el oxígeno disuelto entre 4,62 y 6,34 mg/L; la transparencia del agua de 45 a 90%; la demanda química de oxígeno presentó extremos entre 1.48 y 3.84 mg/L, y el pH entre 7,98 y 8,28. El fitoplancton presentó variaciones espaciales entre las concentraciones de células de 0,2 a 0,9 x 106 cel/L, siendo las diatomeas el grupo más representativo; el género que mayor abundancia presentó fue Pseudonitzschia sp. A partir de...
Tipo: Journal Contribution Palavras-chave: Marine environment; Environments; Aquaculture.
Ano: 2009 URL: http://hdl.handle.net/1834/5245
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Chemical analysis of some macrophytes in Mariut and Edku lakes, Egypt OceanDocs
El-Sarraf, W.M..
Results of the investigation carried out in Lakes Mariut and Edku revealed that the trace metals concentrations in ceratophyllum demersum is relatively higher than that in Potamogeton pectinatus. The protein and trace metals in macrophytes collected from unpolluted areas is lower thjan that form polluted ones. Eichhornia crassipes can have a restricted role for the treatment of lake water. In Lake Edku, the results of chemical composition of sediments agree with the previous studies. The trace metal content of C. demersum was higher than that of P. pectinatus. The higher organic carbon level was recorded in stems of submerged plants and in leaves of floating ones. On the other hand, the high concentration of trace metal was observed in leaves of submerged...
Tipo: Journal Contribution Palavras-chave: Accumulation; Marine environment; Marine environment; Http://aims.fao.org/aos/agrovoc/c_4610.
Ano: 1995 URL: http://hdl.handle.net/1834/1244
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Clave de identificación de cápsulas de huevos de condrictios del Mar Argentino OceanDocs
Mabragaña, E.; Figueroa, D.E.; Scenna, L.B.; Díaz de Astarloa, J.M.; Colonello, J.H.; Massa, A.M..
Twenty eight species of oviparous chondrichthyans were reported on the Argentine Continental Shelf (SW Atlantic). The egg cases laid on the sea bed provide useful information to identify species, eggs laying areas and seasons. Based on the analysis of 155 egg cases corresponding to 21 chondrichthyan species, an illustrated field guide for a correct identification is presented.
Tipo: Journal Contribution Palavras-chave: Reproduction; Oviparity; Eggs; Identification keys; Marine fish; Marine environment; Eggs; Marine environment; Reproduction; Http://aims.fao.org/aos/agrovoc/c_2502; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_6507.
Ano: 2009 URL: http://hdl.handle.net/1834/3459
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Climatic trends in continental shelf waters off Ghana and in the Gulf of Guinea, 1963-1992 ArchiMer
Koranteng, Ka; Mcglade, Jm.
Using time series analyses, some physical parameters of the continental shelf waters of the Gulf of Guinea were examined. Analysis of coastal sea surface temperatures from Ghana and Ivory Coast, and offshore sea surface temperatures from the Gulf of Guinea clearly shows spatial and inter-annual patterns of cooling in coastal waters of West Africa. The behaviour of the decomposed trend of coastal and offshore sea surface temperatures, sub-surface: temperature measured at 100 m depth off Ghana and salinity showed that the observational period (1963-1992) could be divided into three climatic periods: the period before 1972, from 1972 to 1982, and the period after 1982. In the first period, sea surface temperature at both coastal and offshore areas and bottom...
Tipo: Text Palavras-chave: Environnement marin; Afrique de l'Ouest; Séries temporelles; Marine environment; West Africa; Time series.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00322/43363/42852.pdf
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Composition en cires, triglycérides, protéines et sucres du mésozooplancton ArchiMer
Alayse-danet, Anne-marie; Daniel, Jean-yves; Le Coz, Jean-rene.
Analyses effectuées sur le zooplancton total des pêches verticales au WP2 et sur des animaux triés à partir des pêches horizontales (Campagne RCA sur les côtes Atlantiques du Portugal). On ne signale pas de différence significative entre la composition biochimique des populations du large et de la côte
Tipo: Text Palavras-chave: Zooplancton; Milieu marin; Composition chimique; Glucide; Cire animale; Triglycéride; Protéine; Océan Atlantique Nord; Upwelling; Méiofaune; Portugal; France; Zone côtière; Zooplankton; Marine environment; Chemical composition; Carbohydrate; Animal wax; Triglyceride; Proteins; North Atlantic; Upwelling; Meiofauna; Portugal; France; Coastal zone.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/00189/29976/28429.pdf
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Contribution de l''etude des suspensions a la comprehension des mecanismes hydrosedimentaires estuariens et littoraux en Manche centrale et orientale ArchiMer
Dupont, J; Lafite, R; Lamboy, M.
Satellite imagery shows the turbid and thermal plume of the Seine River and littoral zone of Picardie and Haute-Normandie. The suspensions have been analysed in conformity with a strategy elaborated in 1985 by the authors. In this macrotidal coastal environment they have attempted to draw the dynamic specificities and the material characteristics.
Tipo: Text Palavras-chave: Estuarine front; Harbours; Coastal zone; Estuaries; Marine environment; Composition; Particle concentration; Granulometry; Hydrodynamics; River plumes; Suspended particulate matter.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1277.pdf
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Crecimiento de la merluza (Merluccius hubbsi) del Atlántico sudoccidental entre 1993-2003 al norte y sur de 41º S OceanDocs
Renzi, M.A.; Santos, B.A.; Abachian, V..
The reading of otoliths sagittae collected during the INIDEP (National Institute for Fisheries Research and Development, Argentina) assessment cruises carried out in the 1993-2003 period allowed to estimate length and weight growth parameters and the condition factor of hake (Merluccius hubbsi) and to prospect the two management units of the species north and south of 41ºS (Argentine Sea, SW Atlantic). A great variability in total length and weight in each age group was observed; nevertheless, stable mean length and weight values per age group were observed in the period analyzed. Besides, the values estimated to determine possible growth variations in each and between both management units north and south of 41ºS were compared. The comparison of growth...
Tipo: Journal Contribution Palavras-chave: Growth curves; Stock identification; Condition factor; Marine environment; Marine environment; Http://aims.fao.org/aos/agrovoc/c_4610.
Ano: 2009 URL: http://hdl.handle.net/1834/3458
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Découverte inédite d'un lamantin d'Afrique échoué au niveau de l'Aire MArine Protégée (AMP) de Joal-Fadiouth OceanDocs
Ndoye, A,; Dossa, J.; Mané, A.H..
Joal, la ville rendue célébre dans le monde entier par les pôêmes du défunt poéte président sénégalais, LéopoldSédar Senghor, a été le théatre de la découverte inédite d'un lamantin d'Afrique échoué sur ses rivages. La découverte, faite en début mai 2007 au niveau de l'une des toutes premières AMPs sénégalaises, est une preuve irréfutable de la présence de ces mammifères marins sur la Petite Côte Sénégalaise. Votre revue Diiso revient sur ce scoop écologique un mois jour pour jour avant la célébration de la 35e Journée Mondiale de l'Environnement (JME 2007)
Tipo: Journal Contribution Palavras-chave: Mangroves; Marine parks; Marine environment; Marine environment; Mangroves; Marine parks; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_16190; Http://aims.fao.org/aos/agrovoc/c_36402.
Ano: 2007 URL: http://hdl.handle.net/1834/2355
Registros recuperados: 103
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