Results 51 to 60 of about 26,967 (223)

Diet Composition and Isotopic Analysis of Nine Important Fisheries Resources in the Eastern Adriatic Sea (Mediterranean)

Frontiers in Marine Science, 2021
We examined how the trophic ecology of nine economically important marine taxa varied across three distinct areas of the Adriatic Sea. These taxa included three species of demersal fishes (European hake Merluccius merluccius, red mullet Mullus barbatus ...
Barbara Zorica, Daria Ezgeta-Balić, Olja Vidjak, Vedran Vuletin, Marija Šestanović, Igor Isajlović, Vanja Čikeš Keč, Nedo Vrgoč, Chris Harrod, Chris Harrod, Chris Harrod   +10 more
doaj   +1 more source

Use of high resolution sonar for near-turbine fish observations (DIDSON) - We@Sea 2007-002 [PDF]

, 2010
In this study we investigate small scale distribution of pelagic fish within a windfarm by means of a high resolution sonar (DIDSON, Dual frequency IDentification SONar; Soundmetrics).
Burggraaf, D., Couperus, A.S., Keeken, O.A., van, Kooten, T., van, Tribuhl, S.V., Winter, H.V.   +5 more
core   +1 more source

Impact of the Highly Invasive Signal Crayfish (Pacifastacus leniusculus) on Freshwater Macroinvertebrate Communities

Freshwater Biology, Volume 71, Issue 2, February 2026.
ABSTRACT Invasive non‐native species threaten freshwater ecosystems, disrupting the functioning and structure of the food chain and potentially leading to biodiversity loss. As omnivores, crayfish can modify their environment, directly affecting organisms such as macroinvertebrates.
António Barbosa Nogueira, Bruno Oliveira, Janeide Padilha, Simone Varandas, Amílcar Teixeira, Ronaldo Sousa   +5 more
wiley   +1 more source

The use of a square mesh codend and sorting grids to reduce catches of young fish and improve sustainability in a multispecies bottom trawl fishery in the MediterraneanEl uso de copo de malla cuadrada y rejillas separadas para reducir las capturas de pece

Scientia Marina, 2006
In order to improve the capacity of bottom trawl fishing gears to reduce catches of young fish and discards in a highly exploited demersal trawl fisheries in the Mediterranean, the size-selection performance of a 36-mm square-mesh codend and two sorting ...
Francisco Sardà, Nixon Bahamon, Balbina Molí, Francesc Sardà-Palomera   +3 more
doaj   +1 more source

Characterization of Protein Hydrolysates from Fish Discards and By-Products from the North-West Spain Fishing Fleet as Potential Sources of Bioactive Peptides

Marine Drugs, 2021
Fish discards and by-products can be transformed into high value-added products such as fish protein hydrolysates (FPH) containing bioactive peptides.
Andreia Henriques, José A. Vázquez, Jesus Valcarcel, Rogério Mendes, Narcisa M. Bandarra, Carla Pires   +5 more
doaj   +1 more source

Measuring Peripheral Tissue DHA Turnover Using a Novel 13C Enrichment Technique

Lipids, Volume 61, Issue 1, Page 79-89, January 2026.
ABSTRACT Recently, through the use of compound‐specific isotope analysis (CSIA), our lab validated the utility of 13C enrichment (δ13C) of docosahexaenoic acid (DHA) by using a very high δ13C in a diet switch study by measuring brain, liver, and plasma DHA turnover and half‐lives via high‐precision gas chromatography combustion isotope ratio mass ...
Brinley J. Klievik, Adam H. Metherel, Rodrigo Valenzuela, Richard P. Bazinet   +3 more
wiley   +1 more source

Acoustic Observations Unveil Seasonal Fluctuations and Regulation of Zooplankton Biomass and Its Vertical Distribution at a Mid‐Latitude Long‐Term Ocean Observatory

Journal of Geophysical Research: Oceans, Volume 131, Issue 1, January 2026.
Abstract Zooplanktonic organisms are considered a key link between different trophic levels. The ecosystem structure and dynamics are affected by changes in their population and phenology. In this work, the causes and timing of changes within the seasonal cycle of zooplankton biomass vertical distribution in oceanic waters of the Bay of Biscay were ...
L. Ibáñez‐Tejero, R. Somavilla, L. Valdés, E. Marcos, A. Viloria, A. Lavín   +5 more
wiley   +1 more source

Postovulatory Follicle Degeneration and Atresia in Horse Mackerel Trachurus trachurus from the East Coast of Algeria

Croatian Journal of Fisheries
The present study focuses on the detailed description of postovulatory follicles (POFs) resorption and atresia in horse mackerel from Algerian waters. From February 2013 to February 2014, 155 female horse mackerel were randomly collected.
Chikhoune Amirouche, Ichalal Keltoum
doaj   +1 more source

The intraspecific geographical variability of horse mackerel Trachurus trachurus (L.) in the West African shelf waters [PDF]

Acta Ichthyologica et Piscatoria, 1975
An attempt to distinguish local stocks of horse mackerel was made basing both on the comparison of morphological features of fish from three West African shelf regions (Ifni: 28°34′-29°52′N, Cap Blanc: 21°00 ...
A. Kompowski
doaj   +3 more sources

Implications of fisheries during the spawning season for the sustainable management and recovery of depleted fish stocks: life history characteristics of several North Sea species [PDF]

, 2009
Fish traders and NGOs have put the idea forward that in order to not disturb the spawning process and hence improve the reproductive success of a fish population one should stop fishing during the spawning period.
Overzee, H.M.J., van, Rijnsdorp, A.D.
core   +1 more source