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| Registros recuperados: 32 | |
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| Folke, Carl; Stockholm Resilience Centre, Stockholm University; Beijer Institute of Ecological Economics, Royal Swedish Academy of Sciences; carl.folke@beijer.kva.se. |
| Overfishing has historically caused widespread stock collapses in the Southern Ocean. Until recently, illegal, unreported, and unregulated (IUU) fishing threatened to result in the collapse of some of the few remaining valuable fish stocks in the region and vulnerable seabird populations. Currently, this unsustainable fishing has been reduced to less than 10% of former levels. We describe and analyze the emergence of the social-ecological governance system that made it possible to curb the fisheries crisis. For this purpose, we investigated the interplay between actors, social networks, organizations, and institutions in relation to environmental outcomes. We drew on a diversity of methods, including qualitative interviews, quantitative social network and... |
| Tipo: Peer-Reviewed Insight |
Palavras-chave: CCAMLR; Governance; IUU fishing; Marine ecology; Southern Ocean; Toothfish. |
| Ano: 2013 |
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| Cruaud, Perrine; Decker, Carole; Olu, Karine; Arnaud-haond, Sophie; Papot, Claire; Le Baut, Jocelyn; Vigneron, Adrien; Khripounoff, Alexis; Gayet, Nicolas; Cathalot, Cecile; Caprais, Jean-claude; Pignet, Patricia; Godfroy, Anne; Cambon Bonavita, Marie-anne. |
| This study provides an analysis of vesicomyid bivalve–symbiont community distribution across cold seep and hydrothermal vent areas in the Guaymas Basin (Gulf of California, Mexico). Using a combination of morphological and molecular approaches including fluorescent in situ hybridization (FISH), and electronic microscopy observations, vesicomyid clam species and their associated symbionts were characterized and results were analyzed in light of geochemical conditions and other on‐site observations. A greater diversity of vesicomyids was found at cold seep areas, where three different species were present (Phreagena soyoae [syn. kilmeri], Archivesica gigas, and Calyptogena pacifica). In contrast, A. gigas was the only species sampled across the hydrothermal... |
| Tipo: Text |
Palavras-chave: Deep-sea ecosystems; Guaymas Basin; Marine ecology; Pliocardinae bivalve; Sulfur storage; Vesicomyid movements. |
| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00493/60426/64028.pdf |
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| Bailleul, Frédéric; Charrassin, Jean-benoit; Ezraty, Robert; Ardhuin, Fanny; Mcmahon, Clive R.; Field, Iain C.; Guinet, Christophe. |
| The behaviour of southern elephant seals from Kerguelen Island (4950′S, 7030′E) was investigated in relation to the oceanographic regions of the Southern Ocean. The oceanographic and the seal behaviour data, including location and diving activity, were collected using a new generation of satellite-relayed devices measuring and transmitting pressure, temperature, and salinity along with locations. Dive duration, maximum diving depth, time spent at the bottom of the dives, and shape of dive profiles were compared between male and female seals, and were related to the oceanographic characteristics of areas prospected by the seals. Most animals travelled to the Antarctic shelf. However, during winter, adult females travelled away from the... |
| Tipo: Text |
Palavras-chave: Mirounga leonina; Diving Behaviour; Pelagic environment; Benthic environment; Temperature profiles; Marine ecology. |
| Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/2007/publication-2500.pdf |
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| Feis, Marieke E.; Thieltges, David W.; Olsen, Jeanine L.; De Montaudouin, Xavier; Jensen, K. Thomas; Bazairi, Hocein; Culloty, Sarah C.; Luttikhuizen, Pieternella C.. |
| Although molecular ecology of macroparasites is still in its infancy, general patterns are beginning to emerge, e.g. that the most vagile host in a complex life cycle is the main determinant of the population genetic structure of their parasites. This insight stems from the observation that populations of parasites with only freshwater hosts are more structured than those with terrestrial or airborne hosts. Until now, the same has not been tested for marine systems, where, in theory, a fully marine life cycle might sustain high dispersal rates because of the absence of obvious physical barriers in the sea. Here, we tested whether a marine trematode parasite that utilises migratory birds exhibited weaker population genetic structure than those whose life... |
| Tipo: Text |
Palavras-chave: Marine ecology; Population genetics; Parasite; Host parasite dynamics; Trematode; Invertebrates; Gymnophallus choledochus; Bucephalus minimus. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00375/48625/49417.pdf |
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| Etoga, G. Y. L.. |
| Biodiversity is a holistic concept which encompasses what the scientific literature describes as inter-specific diversity (diversity between species), intra-specific diversity (genetic diversity) and diversity of ecosystems. As a support of life, the preservation of biodiversity in terrestrial and marine habitats is of primary importance for the ecological balance of the Earth. Moreover, it is essential for human beings whose lifestyle depends on nature. The value of biodiversity lies with the opportunities provided to mankind to adapt to a changing environment. Concerning specifically the seas and oceans that constitute ¾ of the planet and 90% of the biosphere, there is a renewed ‘ecological awareness’ at the global level on the need to preserve marine... |
| Tipo: Theses and Dissertations |
Palavras-chave: Marine ecology; Marine resources; Biodiversity. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/5475 |
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| 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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| Cornejo, María P.; Arcos, F.. |
| Se determinaron algunas características físicas y biológicas de la columna de agua en Bahía Chile, Isla Greenwich, por medio de la distribución espacial de temperatura, salinidad y clorofila "a", durante el verano austral (febrero de 1990). Las distribuciones verticales de las isotermas, isohalinas, isopicnas e isolíneas de clorfila "a" muestran que la circulación predominante es termohalina, influenciada por la topografía de la bahía, con un flujo subsuperficial que entra por el lado noroccidental de la misma y se dirige hacia el centro (siguiendo la topografía), aflora en el extremo interior y sale superficialmente por el lado oriental. |
| Tipo: Journal Contribution |
Palavras-chave: Chemical oceanography; Marine ecology; Salinity; Isotherms; Isopycnics; Thermohaline circulation; Chlorophylls; Chemical oceanography; Marine ecology; Salinity; Chlorophylls; Http://aims.fao.org/aos/agrovoc/c_1516; Http://aims.fao.org/aos/agrovoc/c_4609; Http://aims.fao.org/aos/agrovoc/c_6751; Http://aims.fao.org/aos/agrovoc/c_1577. |
| Ano: 1990 |
URL: http://hdl.handle.net/1834/3728 |
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| Torres, G.; Calderón, T.; Calderón, G.; Franco, V.; Correa, C.. |
| El objetivo de la presente investigación, fue dar un comprensivo entendimiento de las condiciones bio-oceanográficas del fitoplancton-zooplancton-ictioplancton, y las interacciones con el medio circundante (físico, químico), procesos que son complicados cuando involucran aspectos hidrográficos costeros como áreas de afloramiento, áreas de pesca y áreas de soporte alimentario para los diferentes recursos marinos costeros planctónicos-bentónicos y aves-mamíferos marinos. |
| Tipo: Journal Contribution |
Palavras-chave: Marine ecology; Phytoplankton; Zooplankton; Ichthyoplankton; Upwelling; Biological production; Marine resources; Cruises; Oceanic islands; Coastal zone; Marine resources; Phytoplankton; Zooplankton; Biological production; Marine ecology; Http://aims.fao.org/aos/agrovoc/c_28012; Http://aims.fao.org/aos/agrovoc/c_13344; Http://aims.fao.org/aos/agrovoc/c_15490; Http://aims.fao.org/aos/agrovoc/c_36649; Http://aims.fao.org/aos/agrovoc/c_4609. |
| Ano: 2004 |
URL: http://hdl.handle.net/1834/2318 |
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| Llanio, M.; Fernàndez, M.D.; Cabrera, B.; Aneiros, A.. |
| Los invertebrados y las plantas marinas han provisto una nueva fuente de sustancias farmacológicas para el estudio de mecanismos que median los procesos inflamatorios (Jacobs et al., 1993). Se han descubierto nuevas clases estructurales de compuestos antiinflamatorios en la evaluación farmacológica de productos naturales marinos puros aislados de esponjas, gorgonias, corales y algas (Glaser et al., 1989). Debido a que en las costas cubanas hay abundancia de especies marinas, particularmente esponjas y celenterados aún poco estudiados, decidimos explorar los posibles efectos antiinflamatorios-analgésicos de cinco extractos provenientes de esponjas y gorgonias de nuestro archipiélago. |
| Tipo: Journal Contribution |
Palavras-chave: Marine ecology; Sponges; Marine ecology; Sponges; Http://aims.fao.org/aos/agrovoc/c_4609; Http://aims.fao.org/aos/agrovoc/c_7321. |
| Ano: 2005 |
URL: http://hdl.handle.net/1834/2924 |
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| Awosika, L.F.; Akpati, B.N.. |
| Analysis of 450 sediment samples from various rivers in Nigeria have resulted in the identification of seven major drainage systems some of which may be potential sources of heavy mineral contribution to the continental shelf. The seven major drainage systems are: (1) Niger/Benue drainage system with coarse to medium size sediments and a high of 90% opaque mineral concentration in many cases. Some gem heavy minerals like garnet and zircon are also recorded. (2) Gombi drainage system: consists of medium to coarse sand. Opaque mineral concentrations are also high. Up to 90.59% at station BO.99.3. (3) Bauchi Plateau drainage system: Sediments from this drainage system are very coarse and highly angular. This drainage system records the highest overall opaque... |
| Tipo: Report |
Palavras-chave: Marine ecology; Marine pollution; Marine ecology; Http://aims.fao.org/aos/agrovoc/c_4609. |
| Ano: 1988 |
URL: http://hdl.handle.net/1834/2217 |
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| Registros recuperados: 32 | |
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