Results 91 to 100 of about 3,240 (206)

Chasing Fish: 130 Years of Innovation, Displacement and Depletion in Scottish Fisheries

Fish and Fisheries, Volume 27, Issue 2, Page 227-247, March 2026.
ABSTRACT Rebuilding the depleted fisheries of the 21st century requires an understanding of past drivers of their decline. Despite Scotland's central role in the commercial exploitation of North Sea fisheries for over a century, associations between technological innovations, regulatory introductions and fishery landings have not previously been ...
Zoe F. J. Heard, Callum M. Roberts, Ruth H. Thurstan   +2 more
wiley   +1 more source

Tracking-by-Detection Algorithm for Underwater Target Based on Improved Multi-Kernel Correlation Filter

Remote Sensing
Joint detection and tracking of weak underwater targets are challenging problems whose complexity is intensified when the target is disturbed by reverberation.
Wenrong Yue, Feng Xu, Juan Yang
doaj   +1 more source

A Conceptual Framework and Methods for Studying the Connectivity of Fishes

Fish and Fisheries, Volume 27, Issue 2, Page 342-369, March 2026.
ABSTRACT Connectivity is a multifaceted concept that has important implications for the management and conservation of marine and freshwater fishes. We developed a conceptual framework that encompasses multiple, interrelated categories of connectedness, including landscape (e.g., structural, functional) connectivity and ecological (e.g., trophic ...
Jordanna N. Bergman, Jessica A. Robichaud, Jasper McCutcheon, Michael T. Booth, Brendan Campbell, Grace A. Casselberry, Cienna R. Cooper, Bronwyn M. Gillanders, Lucas P. Griffin, Edward Hale, Luc LaRochelle, Karen J. Murchie, Mary Peacock, Reid G. Swanson, Simon D. Stewart, Ryan. J. Woodland, Daniel P. Zielinski, Steven J. Cooke, Morgan L. Piczak   +18 more
wiley   +1 more source

Striation–Correlation-Based Beamforming for Enhancing the Interference Structure of the Scattered Sound Field in Deep Water

Journal of Marine Science and Engineering
Considering that the information contained in the interference structure of the “target-receiver” path in active sonar is crucial for remote sensing of the target position or the environmental information, this paper studies the method for coherent ...
Jincong Dun, Changpeng Liu, Shihong Zhou, Yubo Qi, Shuanghu Liu   +4 more
doaj   +1 more source

Marine Mammals in the Anthropocene: Developing a Systematic Evidence Base of Threats to Nineteen Species

Mammal Review, Volume 56, Issue 1, March 2026.
Marine mammals are vulnerable to a variety of anthropogenic threats, yet a global systematic map of the literature for 19 species found both spatial and temporal disparity in research effort between threats and between species. There are knowledge gaps for species and threats, with effort unequal across many species' ranges.
Emily L. Hague, Rachael R. Sinclair, Joanna L. Kershaw, Davina Derous, Ross M. Culloch, Carol E. Sparling, Nicholas Baker‐Horne, Marija Sciberras, Teresa F. Fernandes, Lauren H. McWhinnie   +9 more
wiley   +1 more source

Existing Soundscapes and the Impact of Noise on the Welfare of Farmed Salmonids: A Review

Reviews in Aquaculture, Volume 18, Issue 2, March 2026.
ABSTRACT Understanding how farmed salmonids sense and respond to their environment is key to securing animal welfare and efficient production. However, hearing has rarely received attention, despite the omnipresence of underwater sound and its potential effects.
Kathy Overton, Tim Dempster, Marco A. Vindas, Frode Oppedal, Luke T. Barrett   +4 more
wiley   +1 more source

Modelling the effect of varying metabolic rate and cardiac output on estimated tissue and blood O2 and CO2 levels in an extreme deep‐diver, the goose‐beaked whale (Ziphius cavirostris)

Experimental Physiology, Volume 111, Issue 3, Page 765-785, 1 March 2026.
Abstract High‐resolution movement data from Cuvier's beaked, or goose‐beaked whale (Ziphius cavirostris, hereafter Ziphius, n = 8) tag deployments (4.1–19.2 days) were used to estimate blood and tissue O2 and CO2 levels. Acceleration and magnetometry data were used to estimate the locomotion cost (LC) from the relationship between activity and the O2 ...
Andreas Fahlman, Gregory S. Schorr, David A. Sweeney, Brenda K. Rone, Shannon N. Coates, Austin S. Allen, Lucia M. Martín López, Susan M. Jarvis, Erin A. Falcone   +8 more
wiley   +1 more source

Optimal Waveform Design Using Frequency-Modulated Pulse Trains for Active Sonar. [PDF]

Sensors (Basel), 2019
Guan C, Zhou Z, Zeng X.
europepmc   +1 more source

Doppler Data Association Scheme for Multi-Target Tracking in an Active Sonar System. [PDF]

Sensors (Basel), 2019
Yao Y, Zhao J, Wu L.
europepmc   +1 more source

An Improved Velocity Estimation Method for Wideband Multi-Highlight Target Echoes in Active Sonar Systems. [PDF]

Sensors (Basel), 2018
Huang S, Fang S, Han N.
europepmc   +1 more source