Article
Fisheries
Niels Jepsen, Luise Richter, Michael Ingemann Pedersen, Zhiqun (Daniel) Deng
Summary: This study evaluated the efficiency of tagging juvenile European eels with implanted PIT tags or ELATs. The results showed that tagging juvenile eels >16 cm with these small tags is feasible, with high survival rate. Although the growth of tagged and control fish differed, there was no significant difference between the three groups.
JOURNAL OF FISH BIOLOGY
(2022)
Article
Agricultural Engineering
Waseem Hassan, Martin Fore, Henning A. Urke, John B. Ulvund, Eskil Bendiksen, Jo A. Alfredsen
Summary: A novel technique for measuring individual fish swimming speed based on conventional acoustic telemetry and Doppler analysis was tested and proven feasible in a field experiment at a fish farm. The method accurately measures the instantaneous swimming speeds over time for individual fish under commercial farming conditions, and can distinguish between moving and stationary tags.
BIOSYSTEMS ENGINEERING
(2022)
Article
Fisheries
Emilius A. Aalto, Simon Dedman, Michael J. W. Stokesbury, Robert J. Schallert, Michael Castleton, Barbara A. Block
Summary: Atlantic bluefin tuna (ABT) are large, migratory predators that spawn in the Gulf of Mexico, Mediterranean Sea, and recently discovered Slope Sea region off New England. The behavior and distribution of ABT in the Slope Sea have been poorly understood, but this study provides important insights into their spawning behavior and potential implications for management and conservation efforts.
ICES JOURNAL OF MARINE SCIENCE
(2023)
Article
Ecology
Michael Ovidio, Severine Renardy, Arnaud Dierckx, Billy Nzau Matondo, Jean-Philippe Benitez
Summary: The study aims to improve fish passage at old hydroelectric power stations by introducing a guidance system. The research found that placing a guidance system at the entrance significantly increased the attraction efficiency and overall passage efficiency of the bypass, with smolts showing a preference to approach the bypass entrance during dusk and dark periods.
ECOLOGICAL ENGINEERING
(2021)
Article
Fisheries
Brendan J. Runde, Jeffrey A. Buckel, Nathan M. Bacheler, Ryan M. Tharp, Paul J. Rudershausen, Craig A. Harms, Tal Ben-Horin
Summary: External attachment of electronic tags is increasingly used in fish studies. This study compared six previously published methods for attaching acoustic transmitters to fish. The results showed that a simple attachment method using a spaghetti tag passed through the fish's dorsal musculature and tied to the transmitter's end cap was the preferred option based on high retention, no impact on growth, and relatively low detriment to fish welfare. Future field studies should consider tag-related effects when selecting a method for tag attachment.
JOURNAL OF FISH BIOLOGY
(2022)
Article
Environmental Sciences
Serena R. Wright, David Righton, Joachim Naulaerts, Robert J. Schallert, Chris A. Griffiths, Taylor Chapple, Daniel Madigan, Vladimir Laptikhovsky, Victoria Bendall, Rhys Hobbs, Doug Beare, Elizabeth Clingham, Barbara Block, Martin A. Collins
Summary: The study investigated the behavior of yellowfin tuna using satellite tags in the South Atlantic Ocean around St Helena, finding that their behavior varies seasonally and with depth, impacting the catchability of the fish by local fishing fleets.
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Ecology
Jolien Goossens, Mathieu Woillez, Arnault LeBris, Pieterjan Verhelst, Tom Moens, Els Torreele, Jan Reubens
Summary: Technological advances are crucial for maximizing the information potential of electronic tagging studies. Acoustic tags provide location data when animals are within range, while archival tags offer continuous sensor measurements for trajectory inference. In this study, a newly developed acoustic data storage tag (ADST) was used on 154 fish to investigate the potential of this combination tag. Results showed that ADSTs with both acoustic and archival data provided valuable information on fish movement patterns and improved the accuracy of daily position estimates. These findings highlight the importance of combining acoustic and archival tagging technologies in tracking aquatic species.
METHODS IN ECOLOGY AND EVOLUTION
(2023)
Article
Marine & Freshwater Biology
Lisiane Hahn, Eduardo G. Martins, Leonardo D. Nunes, Leonardo S. Machado, Taise M. Lopes, Luis Fernando da Camara
Summary: The recent large-scale hydropower development in the Amazon basin has raised concerns about the movements of migratory fishes such as goliath catfish. In the Madeira River, the efficiency of a fishway in the Santo Antonio hydropower plant was evaluated using telemetry techniques. The study revealed the inefficiency of the fishway for the target species and led to its reconstruction.
Article
Environmental Sciences
Arie Benjamin Griffioen, Olvin Alior van Keeken, Alicia Lianne Hamer, Hendrik Volken Winter
Summary: The passage success of sea lampreys and their behavior in the vicinity of man-made structures like marine-freshwater barriers are not well understood. A study in the Netherlands used acoustic transmitters to track 25 sea lampreys and found that passage success was low, with most sea lampreys showing exploratory searching behavior before leaving the area when unsuccessful.
RIVER RESEARCH AND APPLICATIONS
(2022)
Article
Engineering, Chemical
Federica Tufano, Fabia Grisi, Chiara Costabile, Mina Mazzeo, Vincenzo Venditto, Antonella Caterina Boccia, Rosalba Fittipaldi, Lorella Izzo, Stefania Pragliola
Summary: The consumption and improper disposal of plastics have caused serious environmental concerns. New methods based on fluorescent tagging have been developed to facilitate the identification and sorting of different materials in plastic recycling. In this study, new fluorescent copolymers of polyethylene (PE) and polystyrene (PS) were synthesized and characterized for use as markers. These copolymers were found to have distinguishable fluorescent emissions even with a low concentration of only 1% in the PE/PS blends.
Article
Mathematics
Jing Yang, Jun Wang, Mengyang Gao
Summary: The type, quantity, and scale of social-tagging systems have grown constantly as users' interest increases. Tags have important reference value in studying networked communities as they represent user preference. This paper proposes an improved evolution model for tag communities and conducts an evolution analysis based on datasets from Delicious, CiteULike, and Douban. The results show that new individuals have a significant influence on community evolution and new tags are more influential in tagging relation data.
Review
Biology
Jelger Elings, Stijn Bruneel, Ine S. Pauwels, Matthias Schneider, Ianina Kopecki, Johan Coeck, Rachel Mawer, Peter L. M. Goethals
Summary: Many fish species depend on migration for different stages of their life cycle, both in fresh water and salt water. The increasing anthropogenic pressures on freshwater systems have resulted in habitat fragmentation, which affects fish migration. To improve fishway efficiency, it is important to understand the variety of navigation cues used by fish. Monitoring technologies and modeling methods can provide insights into fish behavior and interactions with the environment, which can greatly benefit the design and operation of fishways.
BIOLOGICAL REVIEWS
(2023)
Article
Environmental Sciences
Francisco Javier Bravo-Cordoba, Ana Garcia-Vega, Juan Francisco Fuentes-Perez, Leandro Fernandes-Celestino, Sergio Makrakis, Francisco Javier Sanz-Ronda
Summary: Most freshwater fish require unobstructed river movements to complete their life cycles. This study investigated bidirectional movements through a small run-of-the-river hydropower plant with a fishway, focusing on the Iberian barbel as the target species. The results showed diverse fish movements and supported the use of fishways as a mitigation tool for small hydropower facilities.
AQUATIC CONSERVATION-MARINE AND FRESHWATER ECOSYSTEMS
(2023)
Article
Fisheries
Jessie Lilly, Hannele M. Honkanen, David M. Bailey, Colin W. Bean, Ruaidhri Forrester, Jessica R. Rodger, Colin E. Adams
Summary: This study used acoustic tagging to investigate the migration behavior of Atlantic salmon post-smolts from two rivers entering the Clyde Estuary in the UK. The study found that post-smolts undertook rapid migrations through the estuary with low loss rates, despite engaging in passive reversal movements with the tide. Additionally, post-smolts from both rivers used similar migration pathways exiting into the coastal marine zone during ebbing tide.
JOURNAL OF FISH BIOLOGY
(2022)
Article
Oceanography
Serena R. Wright, David Righton, Joachim Naulaerts, Robert J. Schallert, Victoria Bendall, Christopher Griffiths, Michael Castleton, Daniel David-Gutierrez, Daniel Madigan, Annalea Beard, Elizabeth Clingham, Leeann Henry, Vladimir Laptikhovsky, Douglas Beare, Waylon Thomas, Barbara A. Block, Martin A. Collins
Summary: Yellowfin tuna, a widely distributed migratory species, have been tagged in the South Atlantic Ocean to study their movement patterns. Most yellowfin tuna remained within 70 km of their release location, while some displayed large-scale movements, indicating connections between different regions.
DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
(2021)