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Oceans, Volume 6, Issue 3

September 2025 - 23 articles

Cover Story: This study investigated the short-term physiological effects of a commercially available GBH on the seagrass Zostera marina under controlled mesocosm conditions. Z. marina individuals were exposed to three concentrations of glyphosate for 4 days, and the impacts on photosynthetic performance, growth rate, photosynthetic pigments content and energy metabolism were assessed. Exposure to 5100 mg L−1 of glyphosate caused rapid water acidification and complete plant mortality within 24 h. Exposure to 51 mg L−1 of glyphosate significantly impaired photosynthetic efficiency and foliar growth rate. Energy availability, photosynthesis and photosynthetic pigments content were highly disrupted at both higher concentrations. Exposure to 0.165 mg L−1 of glyphosate decreased the foliar chlorophyll a/b ratio. View this paper
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Articles (23)

  • Review
  • Open Access
1,498 Views
25 Pages

18 September 2025

Climate change has exacerbated the need for transitional shifts within high-impact sectors, notably maritime transport, which facilitates nearly 90% of global trade. In response, the International Maritime Organization (IMO) has implemented stricter...

  • Review
  • Open Access
2,754 Views
73 Pages

AMOC and North Atlantic Ocean Decadal Variability: A Review

  • Dan Seidov,
  • Alexey Mishonov and
  • James Reagan

11 September 2025

The North Atlantic Ocean is vital to Earth’s climate system. Scientific investigations have identified the Atlantic Meridional Overturning Circulation (AMOC) as a significant factor influencing global climate change. This circulation involves o...

  • Article
  • Open Access
1,187 Views
23 Pages

9 September 2025

This study examines the seasonal variability of surface currents in the South China Sea (SCS) and its adjacent regions, employing trajectory data from four seasonal deployments of Beidou drifters in the northern SCS. These observations are supplement...

  • Feature Paper
  • Article
  • Open Access
1,009 Views
24 Pages

8 September 2025

Atlantic salmon aquaculture has become an important seafood producer, contributing to the human diet. The natural productivity of Atlantic salmon populations is not sufficient to meet even a fraction of current aquaculture production, and it has not...

  • Article
  • Open Access
1,226 Views
23 Pages

1 September 2025

To understand the impacts of climate change on local marine ecosystems, assessing ocean climate velocity in regional seas is essential. This study investigated changes in sea surface temperature (SST) and associated shifts in isotherm location and oc...

  • Article
  • Open Access
1,245 Views
14 Pages

31 August 2025

The population dynamics and exploitation ratios of the narrow-barred Spanish mackerel (Scomberomorus commerson, Lacépède, 1800) were investigated from August 2020 to February 2023, with data collected from three landing sites (Bushehr,...

  • Article
  • Open Access
1,205 Views
17 Pages

Dynamics of Oxygen and the Physicochemical Response in Two Comparative Hypoxia Regions

  • Jian Wei,
  • Joanna J. Waniek,
  • Joachim Kuss,
  • Oscar Beltran-Perez,
  • Jen-Ping Peng,
  • Chengchun Shi,
  • Jin Chen,
  • Jihui Liu,
  • Lili Chen and
  • Rongrong Xie

29 August 2025

The oxygen depletion in worldwide oceans and inland waters is becoming an increasingly prevalent problem. Here, two comparative study sites, Baltic Proper (BP) and Shuikou Reservoir (SR), were selected to identify the dynamics of dissolved oxygen (DO...

  • Article
  • Open Access
1 Citations
1,021 Views
19 Pages

27 August 2025

Multimodal waves can significantly impact ocean–atmosphere interactions and affect coastal ecosystems. Due to the presence of waves created in different geographical areas, many wave systems coexist in coastal seas. Based on data collected with...

  • Article
  • Open Access
1,506 Views
18 Pages

Detection, Tracking, and Statistical Analysis of Mesoscale Eddies in the Bay of Bengal

  • Hafez Ahmad,
  • Felix Jose,
  • Padmanava Dash and
  • Shakila Islam Jhara

20 August 2025

Mesoscale eddies have a significant influence on primary productivity and upper-ocean variability, particularly in stratified and monsoon-driven basins like the Bay of Bengal (BoB). This study analyzes mesoscale eddies in the BoB from January 2010 to...

  • Article
  • Open Access
1,219 Views
20 Pages

Glyphosate: A Terrestrial Threat to Marine Plants? A Study on the Seagrass Zostera marina

  • Alizé Deguette,
  • Katia Pes,
  • Bernard Vasconcellos,
  • Monya Costa,
  • João Silva and
  • Isabel Barrote

18 August 2025

Glyphosate-based herbicides (GBHs) are extensively used worldwide, raising concerns about their potential effect on non-target aquatic ecosystems. This study investigated the short-term physiological effects of a commercially available GBH on the sea...

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Oceans - ISSN 2673-1924