Results 51 to 60 of about 160 (122)

New Insights on Dissolved Organic Matter Cycling in the Cape Verde Frontal Zone From Its Optically Active Fraction

Journal of Geophysical Research: Oceans, Volume 130, Issue 7, July 2025.
Abstract Absorption and fluorescence spectroscopy have been used to gain new insights on the dynamics of Dissolved Organic Matter (DOM) in the Cape Verde Frontal Zone (CVFZ), a highly dynamic area comprising the thermohaline Cape Verde Front (CVF) and the Cape Blanc Giant Filament (CBGF), which exports organic matter produced over the shelf to the ...
R. Campanero Nieto, J. S. P. Ibanhez, B. Fernández‐Castro, A. Martínez‐Pérez, M. J. Pazó, V. Vieitez dos Santos, S. Valiente, M. Nieto‐Cid, A. Delgado‐Huertas, J. Arístegui, X. A. Álvarez‐Salgado   +10 more
wiley   +1 more source

Intensified upwelling: normalized sea surface temperature trends expose climate change in coastal areas [PDF]

Ocean Science
Eastern boundary upwelling systems (EBUSs) provide valuable natural resources due to their high primary production. However, there is significant uncertainty in how climate change may affect the mechanisms that sustain these ecosystems in the future ...
M. Á. Gutiérrez-Guerra, M. Á. Gutiérrez-Guerra, M. D. Pérez-Hernández, P. Vélez-Belchí   +3 more
doaj   +1 more source

Seasonal Changes of Size Spectra of the Benguela Offshore Mesopelagic Ecosystem Compartment in Relation to Primary Production

Marine Ecology, Volume 46, Issue 4, July/August 2025.
ABSTRACT Seasonal differences in marine size spectra of micronekton at the shelf‐ocean interface of the northern (NBUS) and southern Benguela upwelling system (SBUS) in Feb–Mar 2019 and Sep–Oct 2021 were analysed for mesopelagic fishes and total micronekton, the latter also including invertebrates.
Heino O. Fock, Henrike Andresen, Javier Díaz Pérez, Tim Dudeck, Gabriela Figueiredo, Thierry Frédou, Dawit Y. Ghebrehiwet, Cristina González‐García, José M. Landeira, Simone Lira, Emilio Marañón, Leandro Nole Eduardo, Ralf Schwamborn   +12 more
wiley   +1 more source

Dissolved Organic Carbon in Coastal Waters: Global Patterns, Stocks and Environmental Physical Controls

Global Biogeochemical Cycles, Volume 39, Issue 5, May 2025.
Abstract Dissolved organic carbon (DOC) in coastal waters is integral to biogeochemical cycling, but global and regional drivers of DOC are still uncertain. In this study we explored spatial and temporal differences in DOC concentrations and stocks across the global coastal ocean, and how these relate to temperature and salinity.
Christian Lønborg, Isabel Fuentes‐Santos, Cátia Carreira, Valentina Amaral, Javier Arístegui, Punyasloke Bhadury, Mariana Bernardi Bif, Maria Ll. Calleja, Qi Chen, Luiz C. Cotovicz Jr., Stefano Cozzi, Bradley D. Eyre, E. Elena García‐Martín, Michele Giani, Rafael Gonçalves‐Araujo, Renee Gruber, Dennis A. Hansell, Johnna M. Holding, William Hunter, J. Severino P. Ibánhez, Valeria Ibello, Piotr Kowalczuk, Federica Maggioni, Paolo Magni, Patrick Martin, S. Leigh McCallister, Xosé Anxelu G. Morán, Joanne M. Oakes, Helena Osterholz, Hyekyung Park, Digna Rueda‐Roa, Jiang Shan, Eva Teira, Nicholas Ward, Youhei Yamashita, Liyang Yang, Qiang Zheng, Xosé Antón Álvarez‐Salgado   +37 more
wiley   +1 more source

Trophic Diversity of Plankton in the Epipelagic and Mesopelagic Layers of the Tropical and Equatorial Atlantic Determined with Stable Isotopes

Diversity, 2018
Plankton living in the deep ocean either migrate to the surface to feed or feed in situ on other organisms and detritus. Planktonic communities in the upper 800 m of the tropical and equatorial Atlantic were studied using the natural abundance of stable ...
Antonio Bode, Santiago Hernández-León
doaj   +1 more source

Comments on the calculation of the specific growth rate in experiments with untagged individuals

Scientia Marina, 2015
The specific growth rate, G, is widely used in articles dealing with the growth of aquatic organisms under experimental conditions. When individuals are untagged, the arithmetic mean of G for a group of animals must be calculated from weight geometric ...
Lorenzo Márquez, Gabriel A. Morales, Miguel Sáenz de Rodrigáñez, Eduardo Almansa, Francisco J. Moyano, Manuel Díaz   +5 more
doaj   +1 more source

Using Benford's Law to Detect Possible Biases in Reported Catches of Tropical Tuna From the Indian Ocean

Fisheries Management and Ecology, Volume 32, Issue 1, February 2025.
ABSTRACT Accuracy of catch landing data reported by captains of commercial vessels is crucial in the assessment of marine species stocks and in fisheries policy and management. However, this data can be subject to estimation biases, such as a tendency to inflate some catches (to the detriment of others) and refusal to fill in logbooks.
Ángel Rafael Domínguez‐Bustos, Remedios Cabrera‐Castro, María Lourdes Ramos, Pablo Abaunza, José Carlos Báez   +4 more
wiley   +1 more source

Dynamics of Near‐Bottom Currents in Cold‐Water Coral and Sponge Areas at Valdivia Bank and Ewing Seamount, Southeast Atlantic

Journal of Geophysical Research: Oceans, Volume 130, Issue 1, January 2025.
Abstract This study investigates near‐bottom currents and physical processes from simulations with the hydrodynamic model ROMS‐AGRIF at two seamounts of the northeast Walvis Ridge to obtain valuable insights about drivers of observed occurrences of benthic suspension feeders (cnidarians and sponges) in this data‐poor area.
Christian Mohn, Franziska U. Schwarzkopf, Patricia Jiménez García, Covadonga Orejas, Veerle A. I. Huvenne, Mia Schumacher, Irene Pérez‐Rodríguez, Roberto Sarralde Vizuete, Luis J. López‐Abellán, Andrew C. Dale, Colin Devey, Jørgen L. S. Hansen, Eva Friis Møller, Arne Biastoch   +13 more
wiley   +1 more source

Assessing climatic conditions and biotic interactions shaping the success of Cystoseira foeniculacea early‐life stages

Journal of Phycology, Volume 60, Issue 6, Page 1485-1497, December 2024.
Abstract Early‐life stages of canopy‐forming macroalgae are critical for the maintenance of natural populations and the success of restoration actions. Unfortunately, the abiotic conditions and biotic interactions shaping the success of these stages have received less attention than the interactions shaping the success of adults.
Alejandro Bernal‐Ibáñez, Eva Cacabelos, Raul Triay‐Portella, Patrício Ramalhosa, Ignacio Gestoso   +4 more
wiley   +1 more source

Detection of a weak meddy-like anomaly from high-resolution satellite SST maps

Scientia Marina, 2012
Despite the considerable impact of meddies on climate through the long-distance transport of properties, a consistent observation of meddy generation and propagation in the ocean is rather elusive.
Mikhail Emelianov, Mariona Claret, Eugenio Fraile-Nuez, Maria Pastor, Irene Laiz, Joaquín Salvador, Josep L. Pelegrí, Antonio Turiel   +7 more
doaj   +1 more source