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Oceans, Volume 7, Issue 3

2026 June - 16 articles

Cover Story: We investigated the autumn-to-winter evolution of water-mass structure and nutrient concentrations in Funka Bay, southwestern Hokkaido, Japan, from October to February (2012–2019). Hydrographic and biogeochemical profiles show a recurrent seasonal transition from strongly stratified conditions in October, with low surface nutrients and bottom enrichment, to increasingly homogeneous distributions by mid-winter as vertical mixing intensifies. Depth-averaged nutrient concentrations generally decreased from October to December and increased from December to February, except during December 2015–February 2016. View this paper
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Articles (16)

  • Article
  • Open Access
783 Views
17 Pages

18 June 2026

To determine the factors influencing juvenile recruitment of the kelp Eisenia bicyclis, a seven-year monitoring survey was conducted in an area affected by seismic subsidence caused by the 2011 earthquake and subsequent breakwater restoration. Juveni...

  • Article
  • Open Access
1 Citations
962 Views
20 Pages

Determining the Diversity and Environmental Structuring of Fish Larvae in an Amazonian Coastal Protected Estuary

  • Denise Sodré,
  • Aurycéia Costa,
  • Elton Silva,
  • Luci Pereira and
  • Rauquírio Costa

12 June 2026

The Amazon coastal zone exhibits remarkable habitat diversity and species richness, with nutrient-rich estuaries playing a crucial role in local food webs and supporting fish and other aquatic organisms. To examine the distribution of fish larvae and...

  • Article
  • Open Access
1,179 Views
36 Pages

9 June 2026

Accurately capturing the Kuroshio’s main axis and its multiscale frontal variations remains challenging due to the constraints of traditional fixed-section extraction methods. Here, we develop an adaptive iterative tracking algorithm utilizing...

(This article belongs to the Special Issue Recent Progress in Ocean Fronts)
  • Article
  • Open Access
1,526 Views
26 Pages

Spatiotemporal Dynamics of the Liaohe Delta (1987–2017) Using an Integrated Classification and Feature Selection Approach

  • Jihong Sun,
  • Guohui Su,
  • Huairong Song,
  • Jingpeng Liu and ,
  • Wenrong Lin,
  • Qi Xu and
  • Zonghua Liu
  • + 2 authors+ 0 author

5 June 2026

Wetland landscape classification is fundamental to monitoring changes in ecosystem patterns. This study proposes an ensemble classification approach that integrates Maximum Likelihood Classification (MLC) and Decision Tree (DT) methods with optimized...

(This article belongs to the Topic Conservation and Management of Marine Ecosystems: 2nd Edition)
  • Article
  • Open Access
1 Citations
1,132 Views
14 Pages

Environmental Drivers of the Epipelagic Pteropod Community Structure in the Deep-Water Basin of the Southern Gulf of Mexico During Summer

  • Erik Coria-Monter,
  • Adolfo Gracia,
  • Elizabeth Durán-Campos,
  • César Flores-Coto and ,
  • Zayra López-Cabello,
  • Magali Roa-Venicio and
  • Alejandra Itzel Domínguez-Tavera
  • + 2 authors+ 0 author

4 June 2026

Holoplanktonic mollusks (Mollusca: Gastropoda: Pteropoda) are vital structural and functional components of marine zooplankton communities, characterized by high sensitivity to physicochemical shifts in the water column. Consequently, multidisciplina...

  • Article
  • Open Access
862 Views
21 Pages

Winter Nutrient Dynamics in Funka Bay, Japan: A Multi-Year Observation Study

  • Tianchang Cui,
  • Hiroto Abe,
  • Tetsuya Takatsu,
  • Kenshi Kuma and ,
  • Yoshihiko Kamei,
  • Naoto Kobayashi,
  • Takahiro Iida and
  • Atsushi Ooki
  • + 3 authors+ 0 author

2 June 2026

We investigated the autumn-to-winter evolution of water-mass structure and nutrient concentrations in Funka Bay, southwestern Hokkaido, Japan, from October to February (2012–2019). Hydrographic and biogeochemical profiles show a recurrent seaso...

(This article belongs to the Special Issue Ocean Observing Systems: Latest Developments and Challenges)
  • Review
  • Open Access
1,233 Views
25 Pages

29 May 2026

The sound speed profile (SSP) is a core environmental parameter for underwater acoustic detection, navigation, communication, and other applications. However, its accurate acquisition is constrained by the sparsity of observational data and the ill-p...

(This article belongs to the Special Issue Ocean Observing Systems: Latest Developments and Challenges)
  • Article
  • Open Access
1,255 Views
20 Pages

18 May 2026

Port State Control (PSC) inspections play a critical role in enforcing international maritime safety and environmental standards, yet little is known about how compliance behaviour interacts with economic cycles. This study examines the relationship...

  • Article
  • Open Access
1,444 Views
14 Pages

Evolution and Challenges of Marine Oil Spill Governance in Taiwan over Two Decades

  • Chih-Wei Chang,
  • Shiau-Yun Lu,
  • Chun-Pei Liao,
  • Wen-Yan Chiau and
  • Yi-Che Shih

12 May 2026

Marine oil spills pose critical challenges to environmental sustainability and socioeconomic stability. Taking four pivotal cases as the entry point, this study uses comparative case analysis, semi-structured stakeholder interviews, policy analysis a...

  • Article
  • Open Access
1,444 Views
27 Pages

Marine benthic ecosystems along urbanised coastlines face heightened vulnerability due to the cumulative effects of chronic anthropogenic stressors. Climate change intensifies these pressures through more frequent and severe storms, while ongoing coa...

  • Article
  • Open Access
1,061 Views
10 Pages

The armless snake eel, Dalophis imberbis, is a fossorial rare species. It is considered to be a non-target fishery resource with elusive behavior, and there is a paucity of knowledge regarding its distribution and biology. This study reports three ne...

  • Article
  • Open Access
1 Citations
1,615 Views
16 Pages

Strong Effects of Sun Exposure on Oyster Shell Corrosion and Compensatory Calcification: A Factor Confounding Coastal Acidification Responses

  • David J. Marshall,
  • Natasha Khairul,
  • Naziratul Syaziyah Yahya,
  • Norazimah Duraman and
  • James R. Jennings

The dynamics of calcium carbonate structures in marine organisms (skeletons and shells) has become increasingly important due to heightened interest in marine environmental acidification. Research into molluscan shell corrosion and calcification in r...

(This article belongs to the Special Issue Oceans in a Changing Climate)
  • Article
  • Open Access
1,207 Views
15 Pages

Langmuir turbulence is a key and common process in the ocean surface boundary layer, playing a major role in vertical mixing, heat flux, and material transport. However, because direct simulation of Langmuir turbulence demands considerable computatio...

  • Article
  • Open Access
1 Citations
1,880 Views
22 Pages

Nexus of Ecosystem Services and Hilsa (Tenualosa ilisha) Genetic Diversity to Strengthen Wetland Conservation Policy Within the SDG Framework

  • Atiqur Rahman Sunny,
  • Md. Shishir Bhuyian,
  • Sharif Ahmed Sazzad,
  • Md. Faruque Miah and ,
  • Md. Ashrafuzzaman,
  • Kamrul Islam,
  • Md. Abdullah Al Mamun and
  • Shamsul Haque Prodhan
  • + 3 authors+ 0 author

The present study examined fish biodiversity, livelihood dependence, cultural importance, and genetic connectivity in two ecologically linked habitats of the Sylhet region, Bangladesh: Hakaluki Haor and the Surma River. Surveys documented 60 fish spe...

  • Review
  • Open Access
1,964 Views
23 Pages

Research Trends on Invasive Marine Species in the Mediterranean: A Bibliometric and Topic Modeling Analysis

  • Dimitris Klaoudatos,
  • Stefanos Gkourtsoulis,
  • Dimitris Pafras and
  • Alexandros Theocharis

24 April 2026

The Mediterranean Sea is both a global biodiversity hotspot and the world’s most heavily invaded marine region, where non-indigenous species arrivals are accelerating under intensifying shipping, Suez Canal traffic, aquaculture, and climate war...

  • Review
  • Open Access
881 Views
25 Pages

The Role of Citizen Science Data Standardization for the Marine Strategy Framework Directive Implementation

  • Vasiliki Myrintzou,
  • Nikolaos Kokkos,
  • Dor Edelist,
  • Garabet Kazanjian and
  • Georgios Sylaios

24 April 2026

Over the past two decades, Citizen Science (CS) has experienced rapid growth, driven by technological advancements and the rise of digital platforms. This work examines the necessity for standardization in Citizen Science data management and discusse...

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Oceans - ISSN 2673-1924