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| Registros recuperados: 5,192 | |
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| Levine, A.. |
| While terrestrial parks and reserves have existed in Tanzania since colonial times, marine protected areas are a much newer endeavor in natural resource conservation. As the importance of marine conservation came to the international forefront in the 1990s, Tanzania experienced a rapid establishment and expansion of marine parks and protected areas. These efforts were indeed crucial to protecting the country’s marine resource base, but they also had significant implications for the lives and fishing patterns of local artisanal fishermen. Terrestrial protected areas in Tanzania have historically been riddled with conflict and local contestation, bringing about numerous debates on the best ways to involve rural residents in conservation planning efforts to... |
| Tipo: Report |
Palavras-chave: Nature conservation; Marine parks. |
| Ano: 2004 |
URL: http://hdl.handle.net/1834/742 |
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| 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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| Codignotto, J.. |
| In Argentine coastal areas, geomorphological changes are directly related to relative continental uplifts and falls and to seaward and landward displacement of the coastline. Accretional and erosional phenomena are produced by displacement of the coastline in horizontal way. The resultant structures can be represented in two principal sectors. Backward motion or retrogradation of about 15 km were estimated for the Strait of Magellan, over an area of 500 km 2.Otherwise, large accretional phenomena were recognized in the north,with a 60 km seaward displacement, equivalent to 4,000 km2 in the last7.000 years. Variation in tidal regime and amplitude is reflected in the coincidence of the boundary between accretion and erosional sectors. Two principal nearshore... |
| Tipo: Book Section |
Palavras-chave: Coastal morphology; Coastal erosion; Sea level changes; Coastal erosion; Http://aims.fao.org/aos/agrovoc/c_9949. |
| Ano: 1997 |
URL: http://hdl.handle.net/1834/1721 |
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| Villón, C.; Balladares, M.. |
| En 1992 fueron visitados los puertos de Esmeraldas, San Mateo, Manta, Anconcito, Sta. Rosa, Engabao, Playas y Puerto Bolívar, obteníendose información de la actividad pesquera artesanal mediante un sistema de entrevistas aplicado a 2000 embarcaciones, las que en conjunto forman la flota operativa de los ocho puertos antes mencionados. El desembarque total acumulado durante 1992 se estimó en 38632,8 t, fluctuando entre 897 t en Playas y 9006 t en Anconcito. Este desembarque total acumulado fue superior al realizado durante los años 1990 y 1991. El esfuerzo pesquero se mantuvo casi constante en los puertos visitados durante 1992, sin embargo el número de botes activos registrados al día del muestreo presentó una variación significativa. |
| Tipo: Journal Contribution |
Palavras-chave: Catch/effort; Artisanal fishing; Harbours; Harbours; Http://aims.fao.org/aos/agrovoc/c_3492. |
| Ano: 1993 |
URL: http://hdl.handle.net/1834/3023 |
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| Mikhaylov, Nikolay. |
| The IODE Ocean Data Portal (ODP) development has two stages: Version 1 (V1) and Version 2 (V2). The ODP V1 has the initial capabilities and based on the technical specifications and software of End-to-End Data Management (E2EDM) technology developed by JCOMM/IODE ETDMP and Russian NODC (RIHMI-WDC, Obninsk). ODP (V2) will have full capabilities with use of the international interoperability standards and tools. |
| Tipo: Working Paper |
Palavras-chave: Ocean data portal. |
| Ano: 2010 |
URL: http://hdl.handle.net/1834/5583 |
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| Jiménez, R.. |
| Muestras del fitoplancton de aguas de mar y de red de arrastre fueron recolectadas abordo del B.A.E "ORION" del Instituto Oceanográfico de la Armada, durante el período de 1972 -1979. La mayor parte de las especies fueron identificadas mediante el microscopio estandar de Zeiss con optovar incorporado, y el microscopio invertido utilizado para los contajes celulares. La identificación de las células más pequeñas fue confirmada con el Microscopio Electrónico de Barrido. 37 especies de cocolitofóridos fueron reconocidos y serán incorporados en los conteos celulares de las investigaciones futuras. Estos organismos constituyeron una población muy importante del fitoplancton marino de aguas ecuatorianas, y contribuyeron en muchas ocasiones, hasta con el 90% de... |
| Tipo: Journal Contribution |
Palavras-chave: Phytoplankton; Cells; Phytoplankton; Cells; Http://aims.fao.org/aos/agrovoc/c_13344; Http://aims.fao.org/aos/agrovoc/c_1418. |
| Ano: 1983 |
URL: http://hdl.handle.net/1834/2099 |
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| Llanes Iglesias, J.; Toledo Pérez, J.; Lazo de la Vega y Valdez, J.. |
| The objective of this study was to evaluate five half-moist diets with graded levels of chemical fish silage (40, 50, 60, 70 and 80 %) prepared with 2 % sulfuric acid 98 % (weigth/volumen), as a unique animal protein source. They were compared with a commercial food (20 % of fish meal), Clarias gariepinus feeding during 60 days. The experimental design was completely randomized and the statistical analysis of the results was done through analysis of variance and the results were compared through the Duncan test at 5 %. The results showed that indicators such as: growth, feed utilization and survival rate did not differ significantly (p > 0,05) between experiment diets, representing between $188,00 and 302, 00 USD/t... |
| Tipo: Journal Contribution |
Palavras-chave: Feeding; Feeding; Http://aims.fao.org/aos/agrovoc/c_2838. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/3500 |
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| This paper provides a summary of the present and planned IGOSS publications and contains a secretariat proposal, that a publication plan be prepared for IGOSS. This question requires a detailed examination, taking into account, inter alia, the objective for which each document is to be prepared, its manner of preparation (authorship), publication medium, language requirements, the status of the publication within the sponsoring agencies and internationally and costs. IPLAN is invited to study this question and to prepare an IGOSS publication plan. |
| Tipo: Report |
Palavras-chave: Reports. |
| Ano: 1973 |
URL: http://hdl.handle.net/1834/5584 |
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| Nageon de Lestang, J.. |
| Shark species, both oceanic and coastal, are very common to Seychelle waters. In the past, however, the demand for shark and shark products has always been very erratic. The ever-increasing international concern for the species and potential conflicts between fishermen and conservation groups has highlighted the issue. In the Seychelles, the shark are caught by gillnets in inshore waters and by hook-and-line and purse seine offshore. Until very recently there were no regulations controlling the shark fishery, but, partly in response to initiatives by a local conservation group, fishing for sharks with nets has been banned since 1 August 1998. A review is provided of the present situation of the fishery whilst underscoring the difficulties of formulating a... |
| Tipo: Report |
Palavras-chave: Seychelles; SHARK FISHERIES; Fishery management; Fishery regulations; Legislation; Shark fisheries; Fishery management; Legislation; Sharks. |
| Ano: 1998 |
URL: http://hdl.handle.net/1834/1311 |
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| Núñez, R.; Ortiz, E.; Fonseca, E.L.; Barban, O.; Almazán, V.; Pizarro, R.; Okuda, I.. |
| The Bay of Havana is one of more polluted ecosystems in our country, because the hydrocarbons concentration in the water and sediment is very high. The bioremediation is a good technique for the elimination of the contaminant. In the Center of Marine Bioproduct we have developed some different bioproduct based on hydrocarbons degrading marine bacteria for the eliminatation the hydrocarbons in sea water. The bioproduct called BIOIL-FC has been used with excellent results in the mitigation of different oil spill in cuban ecosystems. In this work were compared the effectiveness of biodegradation between bioaugmentation with BIOIL-FC and isolated microorganisms from sediment of the bay and the biostimulation with inorganic nitrogen and phosphorus. In this... |
| Tipo: Journal Contribution |
Palavras-chave: Bioremediation; Bioremediation; Http://aims.fao.org/aos/agrovoc/c_35028. |
| Ano: 2002 |
URL: http://hdl.handle.net/1834/2920 |
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| De la Hoz Aristizábal, M.V.. |
| The bivalve Corbicula fluminea Müller is recorded for the first time in Colombia, in the National Park Isla de Salamanca. This protected area includes freshwater channels and mixohaline lagoons influenced by waters of both the Magdalena River and the Caribbean Sea. This exotic bivalve occurs locally in freshwater channels close to the Magdalena River as well as in the latter, whereas another corbiculid native species, Polymesoda solida, is commonly found in the mixohaline lagoons. Densities of C. fluminea ranged from 10 to 100 ind/m2 along with low numbers of P. solida. Lengths ranged form 10 to 43 mm in a predominant muddy substrate. Local fishermen have stated that C. fluminea was established approximately in 1992; this clam is being artisanally... |
| Tipo: Journal Contribution |
Palavras-chave: Channels. |
| Ano: 2008 |
URL: http://hdl.handle.net/1834/3494 |
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| A functional structure has been created since 1992 in the National Institute of Marine Sciences and Technologies (INSTM) to play the role of data centre, its actions were strengthen in 2001 by the designation of A national committee, including the representatives of all the national institutions/organisations which provide/use marine data. This committee is in charge to follow the data centre work progress and to insure the feeding of the centre with marine data. Currently this national committee is working on the final status of the Data Centre. |
| Tipo: Conference Material |
Palavras-chave: Oceanography. |
| Ano: 2003 |
URL: http://hdl.handle.net/1834/1781 |
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| Lack of technical training has been cited as a major reason for the low output of fish ponds in Kenya. The lack was observed at all levels, from the lowest level extension agent through university levels. The training program undertaken by the Africa Project in Kenya seeks to improve training and to provide a cadre of trainers who have extensive practical fish production experience. This year the Africa Project has begun scholarship support for two MS students, one at Moi University’s Chepkoilel Campus, Eldoret, Kenya, and the other at Auburn University, Auburn, Alabama. Small stipends for student research conducted at Sagana Fish Farm have allowed undergraduate as well as graduate-level university students to remain longer to complete projects and gain... |
| Tipo: Report |
Palavras-chave: Aquaculture. |
| Ano: 2000 |
URL: http://hdl.handle.net/1834/423 |
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| O canal de acesso ao porto de Quelimane, tem sofrido grandes alterações com o tempo, segundo consultas efectuadas a dados de cartas antigas (Portuguesas), e os levantamentos anteriores. As zonas muito críticas são: na barra, entre boia 7 e 4 e na bacia de manobra, que está sempre a sofrer assoreamento, e consequentemente o canal de entrada naquele ponto muda constantemente de tempo em tempo, infelizmente ainda não se conhece o tempo de mudança, mas prevê-se que seja cíclica, embora não com muita exactidão. Face a esta realidade, foi realizado o levantamento com vista a identificar um novo e melhor canal, a sua sonda mínima, e recolocar bóias que sinalizem tal canal. Também constituiu objecto do levantamento averiguar o assoreamento de todo o canal, e no... |
| Tipo: Working Paper |
Palavras-chave: Hydrographic surveys. |
| Ano: 2013 |
URL: http://hdl.handle.net/1834/5604 |
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| Garciarena, A.D.; Buratti, C.C.. |
| The fishing activity on Argentine anchovy Northern stock (34º S-41º S) during the 1993-2011 period was studied (SW Atlantic Ocean, Argentine Sea). The basic data derived from the commercial fleet catch records. Annual landings reached a minimum of 5,900 t in 1999 and a maximum of 36,300 t in 2004. The largest catches, performed by the offshore ice chilling fleet, averaged 11,800 t. As of 2003 it was observed an increase in the coastal ships share and a decrease in that of the inshore fleet that in 2004-2011 represented less than 3% of total landings. The major activity, developed between 37º S-41º S in the August-November period, had Mar del Plata as the main port of landing. The average catch per trip and the mean HP of ships, that as of 1999 increased in... |
| Tipo: Journal Contribution |
Palavras-chave: Commercial fishing; Clupeoid fisheries; Stocks; Landing statistics. |
| Ano: 2013 |
URL: http://hdl.handle.net/1834/5495 |
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| Registros recuperados: 5,192 | |
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