Preprints
Filtering by Subject: Marine Biology
Incorporating population genomic perspectives into kelp conservation and aquaculture in the Pacific Northwest
Published: 2026-04-02
Subjects: Ecology and Evolutionary Biology, Evolution, Genetics and Genomics, Genomics, Life Sciences, Marine Biology
Recent kelp forest declines and growth in the kelp aquaculture industry have fueled increasing interest in ecological and evolutionary research on kelp forests, including kelp population genomics. While many kelp management activities have inherent genetic and evolutionary implications, kelp management in the Pacific Northwest (PNW) of North America has to date made only limited use of [...]
Will Climate Change Affect the Sustainability of Krill Fishing? A Simulation Study.
Published: 2026-03-31
Subjects: Marine Biology, Population Biology, Terrestrial and Aquatic Ecology
In the Southern Ocean, Antarctic krill form the base of the food web, and are the primary food source for a wide range of species, including whales, penguins and fish. Krill also comprises the largest fishery resource in Antarctica, but are increasingly thought to be impacted by changing environmental conditions associated with climate change. In order to explore potential synergistic impacts of [...]
Seasonal dynamics of sex ratio, reproduction, and parasite-specific feminization in the hermit crab Pagurus filholi at a fixed coastal site in Chiba, Japan
Published: 2026-03-16
Subjects: Marine Biology
Reproductive output in intertidal crustaceans is reshaped by seasonal changes in host demography and its interaction with parasitic castration, yet parasite–species–resolved time series remain scarce for hermit crabs. We conducted year‐round monitoring of the hermit crab Pagurus filholi at a fixed intertidal site in Chiba Prefecture, Japan, with monthly sampling from January to December 2025. [...]
Disease-associated aggregation of Dactylopleustes yoshimurai on sea urchins: host-level and lesion-level processes
Published: 2026-03-05
Subjects: Marine Biology
Amphipods of the genus Dactylopleustes are specialized symbionts of sea urchins, and in some species aggregations on host lesions have been reported; however, the behavioural mechanisms underlying such lesion-associated aggregation remain poorly understood. We investigated host-level and within-host processes underlying lesion aggregation in the symbiotic amphipod Dactylopleustes yoshimurai on [...]
Machine-learning and prioritization models reveal climate refugia for coral reefs into 2050
Published: 2026-02-24
Subjects: Marine Biology
Climate change is accelerating the decline of coral reefs, yet some locations may retain conditions that support persistence under future warming. We compiled 45,064 coral field observations from 1960–2025 and 42 climate, biophysical, and human-pressure predictors to train machine-learning ensembles estimating coral cover and community composition in 2020 and 2050. Predictions span a global 250 [...]
Anergiobiosis: a testable framework for microbial life under extreme energy flux limitation
Published: 2026-02-21
Subjects: Biology, Life Sciences, Marine Biology, Microbiology
"Aeonophily" was recently suggested as a new category of extremophily for ultra-slow-growing subsurface microorganisms. This terminology misdescribes the physiological state of slow growth as potential extremophilic specialization. Unlike temperature or salinity, time cannot be manipulated to demonstrate a growth optimum, making aeonophily untestable as currently framed. We propose [...]
Predicting demographic impacts from sublethal cumulative effects of offshore renewable developments on breeding seabirds
Published: 2026-02-05
Subjects: Behavior and Ethology, Ecology and Evolutionary Biology, Marine Biology, Population Biology
1. Offshore renewable developments (ORDs) are often located in habitat used by protected seabird species and may cause sublethal effects by altering movement patterns and displacing individuals from key resources. Predicting how these effects translate into population-level impacts is challenging for long-lived species because demographic consequences emerge from complex, state-dependent [...]
Eelgrass-associated fishes show large interspecific differences in thermal acclimation to marine heatwaves
Published: 2026-02-05
Subjects: Life Sciences, Marine Biology
Global warming is increasingly exposing shallow coastal habitats to thermal extremes, with important consequences for the fish species they support. Eelgrass (Zostera marina), the most widespread seagrass in the Northern Hemisphere, provides nursery habitats and foraging opportunities for a high diversity of temperate fishes. However, light limitation is compressing eelgrass depth distribution to [...]
Population dynamics and disease-linked host use of the sea urchin symbiont Dactylopleustes yoshimurai (Crustacea: Amphipoda: Pleustidae) on Strongylocentrotus intermedius
Published: 2026-01-29
Subjects: Marine Biology, Population Biology
Dactylopleustes yoshimurai is an echinoid-associated amphipod that frequently aggregates on disease lesions of the short-spined urchin Strongylocentrotus intermedius in Otsuchi Bay, northeastern Japan. However, its life history and use of diseased hosts remain poorly understood. We combined four years of monthly SCUBA surveys (Jan 2020–Jan 2024) with quantitative sampling of diseased and healthy [...]
Different migration patterns of European anchovy and sardine around Iberian Peninsula revealed by eye lens isotopes
Published: 2026-01-20
Subjects: Marine Biology
Small pelagic fish are key components of productive coastal ecosystems, yet their migration ecology remains poorly understood, causing challenges for management. We applied stable carbon and nitrogen isotope (δ¹³C and δ¹⁵N) analyses of eye lenses to investigate movements of European anchovy (Engraulis encrasicolus) and sardine (Sardina pilchardus) around the Iberian Peninsula. Muscle isotopes [...]
Morphological feminization in hermit crabs (family Paguridae) induced by parasitic peltogastrid barnacles (Crustacea: Cirripedia: Rhizocephala)
Published: 2026-01-20
Subjects: Marine Biology
Rhizocephalan barnacles are highly specialized parasitic crustaceans that profoundly alter the morphology, physiology, and reproduction of their decapod hosts. In hermit crabs (Paguridae), parasitism by peltogastrid rhizocephalans has been reported to induce feminization of male secondary sexual traits, such as the development of female-specific pleopods and the reduction of cheliped size; [...]
Temperature carryover effect revealed for marine fishes using spatio-temporal distributed lag models
Published: 2026-01-14
Subjects: Marine Biology, Terrestrial and Aquatic Ecology
Understanding the impact of changing temperature on population densities is necessary to predict the likely impact of climate anomalies (e.g., marine heatwaves) or forecast distribution shifts under future climate scenarios. Population densities are often analyzed using spatio-temporal models (STMs), which typically predict densities based on local habitat conditions while also estimating latent [...]
Ecological examples of nonstationarity, nonlinearity, and statistical interactions in dynamic structural equation models
Published: 2026-01-14
Subjects: Aquaculture and Fisheries Life Sciences, Marine Biology, Population Biology, Terrestrial and Aquatic Ecology
Ecologists are adapting structural causal modelling for spatial, phylogenetic, and time-series analysis. However, ecological extensions of path analysis and structural equation models (SEM) typically assume that interactions (“path coefficients”) are stationary, linear, and additive, while ecological and evolutionary dynamics are often nonstationary, nonlinear, and include statistical [...]
Marine biodiversity indicators and online data knowledge systems
Published: 2026-01-06
Subjects: Biodiversity, Marine Biology
Coastal marine ecosystems and biodiversity are changing rapidly under climate forcing, resource use, pollution and habitat modification. Monitoring these changes, and tracking progress across policy targets, remain constrained by uneven data coverage, fragmented observing networks and inconsistent measurement practices. International policy frameworks, most prominently the Kunming-Montreal Global [...]
The state of evidence on salmon farming: an umbrella review
Published: 2025-12-29
Subjects: Agriculture, Environmental Studies, Life Sciences, Marine Biology, Other Social and Behavioral Sciences
Background: The global expansion of salmon aquaculture has transformed marine food systems, offering economic benefits while amplifying environmental and socio-economic challenges. The shift from wild-caught to farmed salmon has led to widespread concerns, including disease transmission, genetic introgression, pollution, and conflicts with Indigenous communities. Additionally, salmon feed supply [...]