Marine and fisheries research

Machine learning applied to otolith microchemical data to discriminate stock of origin in salmon

This paper uses machine learning to classify Chinook salmon by their river of origin using otolith microchemical data, achieving up to 92.5% accuracy.

Behavior-Driven Marine Larval Dispersal and Settlement with AI Agent-Based Modeling

This paper introduces SWARM, an AI agent-based model that improves marine larval dispersal simulations by incorporating LLM-based behavioral agents, enhancing predictive accuracy for connectivity and restoration strategies.

Productivity and resilience of Chinook salmon compromised by Mixed-Maturation fisheries in marine waters

This study evaluates the impact of mixed-maturation fisheries on Chinook salmon productivity and resilience, finding that harvesting immature fish reduces population productivity and biomass compared to terminal fisheries.

Modelling the Impact of Dominant Transport Pathways on Antarctic Krill Fishing Activity in the Southern Ocean

This study models how dominant transport pathways affect krill fishing activity in the Southern Ocean, showing that advection from the Antarctic Peninsula correlates with catch variability at South Georgia.

Robustness and management performance of MSY reference points derived from the hockey-stick stock-recruitment model under structural uncertainty

This study evaluates the robustness of MSY reference points derived from the hockey-stick stock-recruitment model under structural uncertainty and shows that combining them with precautionary measures can achieve comparable management outcomes to true models.

Comparative food-web analysis of bluefin tuna spawning habitats in the eastern Indian Ocean and Gulf of Mexico

The paper compares food-web structures in tuna spawning habitats of the Gulf of Mexico and Argo Basin, finding higher ecosystem efficiency in the Argo Basin due to differences in zooplankton herbivory and nutrient cycling.

A quantitative risk assessment approach for longline fishing gear impacts on seafloor habitats

The paper develops a quantitative risk assessment framework to evaluate habitat impacts from longline fishing gear, using the Sablefish fishery in British Columbia as a case study.

Potential and limits of the evolutionary rescue of harvested food webs

This study examines how evolution affects the robustness of marine food webs under fishing pressure, finding that evolution often enhances robustness but can also lead to negative outcomes under certain conditions.

Spatial capture-recapture reveals resource use and declining skipper numbers in Baltic Sea salmon trolling fisheries

This study uses spatial capture-recapture models and AIS data to analyze changes in Baltic Sea salmon trolling skippers, finding a 51% decline in numbers linked to regulatory changes.

No-take zone effectiveness in linear coastal systems depends on spatially heterogeneous placement and larval dispersal directionality

This study shows that no-take zones in linear coastal systems improve population recovery when aligned with larval dispersal direction, but their effectiveness depends on spatial placement and dispersal patterns.

Assessing climate change impacts for small-scale fisheries in the Gulf of California using Deep Learning

This study uses deep learning to forecast climate impacts on small-scale fisheries in the Gulf of California, showing projected declines and economic losses for certain species.

Thermal niche warming is more consistent than range shifts in marine species under climate change

The paper shows that marine species' thermal niches have warmed more than their spatial redistribution under climate change.

Management strategy evaluation for real-time closures in the short mackerel fishery in the Gulf of Thailand

The paper evaluates real-time closures (RTCs) and static closures (STCs) in the Gulf of Thailand short mackerel fishery, finding RTCs more effective in minimizing fishing mortality with greater flexibility.

Stock assessment of the shorthead anchovy Encrasicholina heteroloba in Tanzania's coastal waters

This study assesses the stock status of shorthead anchovy in Tanzania's coastal waters using length-frequency data and provides management recommendations for sustainable fishing.

Eastern Baltic cod larvae in a salinity gradient: choice of salinity and the role of neutral buoyancy

This study examines how eastern Baltic cod larvae use salinity and light to navigate, finding they avoid low-salinity surface waters and align their behavior with neutral buoyancy.

On the status of Atlantic cod in the Oslofjord

The paper quantifies the decline in Atlantic cod biomass in the Oslofjord over 25 years using commercial landing data, finding an over 80% reduction from 2004-2005 to 2018.

Disparate estimates of intrinsic productivity for Antarctic krill across small spatial scales, under a rapidly changing ocean.

This study estimates Antarctic krill productivity using a Length-Based Spawning Potential Ratio model across different strata, revealing spatial and temporal variability and the need for adaptive management.

Assessing local adaptation and divergence at early life stages within Eastern Baltic cod

This study tests if northern Baltic cod are adapted to low salinity at early life stages by comparing survival and traits between northern and southern populations.

Advancing Provenance Assignment using Machine Learning and Time Series Analysis of Chemical Chronologies in Archival Tissues

This paper develops a machine learning framework for improving provenance assignment from archival tissue chemistry by treating chemical chronologies as time series and using ensemble models.

Fine-scale proximity to offshore wind turbine foundations increases biomass of benthic fish species

The paper assesses the impact of proximity to offshore wind turbine foundations on demersal fish biomass and abundance, finding significant increases within 250 meters.

Identification and performance of environmentally-driven recruitment relationships in state space assessment models

This study evaluates state space assessment model performance under environmentally-driven recruitment relationships, finding low bias but poor identifiability and insensitivity to environmental drivers.

Revisiting Size Selective Mortality in Young Fish: Do Small Teleosts Really Pay a Cost?

This study revisits size-selective mortality in young fish, finding weak evidence that larger individuals have a survival advantage across species and conditions.

Spatiotemporal Models Reveal Dynamic Growth Patterns in U.S. West Coast Groundfish

The paper uses geostatistical models to analyze spatiotemporal variability in growth rate and body condition of nine U.S. West Coast groundfish species, revealing interspecific differences influenced by niche partitioning.

Revisiting daily growth and survival insights of Southern bluefin tuna (Thunnus maccoyii) larvae in the eastern Indian Ocean

This study examines growth and survival of Southern bluefin tuna larvae in the eastern Indian Ocean, finding faster growth rates and survival linked to temperature and prey changes.

Groundfish with diverse life histories increase in size and abundance with proximity to spatial protections

The paper assesses ecological responses to marine spatial protections using 18 years of groundfish data, finding increased size and abundance near protected areas.

Disregarding fish ageing method can compromise growth parameter comparability across studies

This study shows that fish ageing methods affect growth parameter estimates, highlighting the need for method reporting and accounting in comparative analyses.

Pelagic trophodynamics control invertebrate population dynamics

The paper introduces a trophodynamic index to predict invertebrate population dynamics by tracking material flows in the pelagic food web, outperforming traditional models for spiny lobster populations.

Estimating dead fish quantities dropping out of gillnets when direct observations are impossible.

The paper estimates unaccounted fish mortalities from gillnets using two models, finding dead fish losses are 4.7-5.4 times recorded landings in a Greenland halibut fishery.

Increasing spatial approximation complexity can degrade prediction quality in distribution models

This study shows that increasing spatial resolution in ecological models can reduce prediction quality for some species, highlighting the need for careful spatial complexity selection.

From form to function: morphology as a proxy for fish life histories

This study shows that fish morphology can predict life history strategies, offering a scalable method for assessing demographic vulnerability in data-poor fish populations.