Article
Biodiversity Conservation
Laxman Gardade, Lidita Khandeparker, Dattesh Desai, P. Atchuthan, Arga Chandrashekar Anil
Summary: The study on sedimentary organic matter composition in a monsoon-influenced tropical Zuari estuary on the west coast of India revealed spatial and temporal variations influenced by in situ production, bacterial re-working, riverine inputs, and hydrodynamics. Lower mid-estuarine region was identified as the major depositional site for organic matter, while the lower content of organic matter at the mouth of the estuary was attributed to high bacterial contribution. Estuarine morphology plays a significant role in organic matter deposition.
ECOLOGICAL INDICATORS
(2021)
Article
Chemistry, Physical
M. Azizul Moqsud, Victor Khong
Summary: This study experimented with sediment microbial fuel cells (SMFCs) to generate bioelectricity for sensors. Factors such as microbes and grain size distribution were found to impact voltage generation, with the use of dual anodes showing nearly double the voltage. SMFCs in the field exhibited higher voltage generation compared to laboratory settings, and demonstrated a positive correlation between voltage generation and AVS reduction.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Geosciences, Multidisciplinary
Sun Min Choi, Jun Young Seo, Ho Kyung Ha
Summary: This study conducted field work to reveal the relationship between sediment erodibility and external forcing and the contribution of local erosion to sediment transport. Surface erosion under strong winds can cause sediment transport towards the sea, while particle erosion under weak winds increases the contribution of suspended sediment.
Article
Environmental Sciences
Bernardo Duarte, Joao Carreiras, Eduardo Feijao, Patrick Reis-Santos, Isabel Cacador, Ana Rita Matos, Vanessa F. Fonseca
Summary: Transitional ecosystems, which are highly degraded worldwide, have been investigated for potential biological indicators of human-driven disturbances. Recent studies have shown that non-traditional biochemical biomarkers, such as an individual's fatty acids profile, can be promising tools for assessing contaminant exposure. In this specific study, two abundant Atlantic benthic macroalgae were surveyed in the highly urbanized Tejo estuary, with their fatty acids evaluated as potential biomarkers for exposure to contaminants. The results suggest a correlation between contamination levels and the fatty acid profiles of the macroalgae in different areas of the estuary.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Marine
Bowen Zhu, Zhigang Zeng
Summary: The provenance of sediments in the Southern Okinawa Trough has been a controversial issue. Using zircon U-Pb geochronology, this study found that sediments from the Yangtze River/East China Sea shelf have significantly contributed to the trough in the past 624 years. The presence of ancient zircon grains suggests a possible supply from older orogenic belts.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2022)
Article
Environmental Sciences
Natalia S. Buzzi, Eleonora M. Fernandez, Melisa D. Fernandez Severini, Daniela M. Truchet, Azul S. Gilabert, Diana M. Villagran, Carla Spetter
Summary: Chemical measures combined with biomarkers are recommended for monitoring marine environments. The study in Puerto Rosales intertidal flat showed eutrophic sediments with high organic matter content and low trace metal levels. Even though the area appeared to be in good environmental condition, wastewater discharge influenced the results, indicating the need for continued monitoring with multi-combined proxies.
ENVIRONMENTAL EARTH SCIENCES
(2021)
Article
Geosciences, Multidisciplinary
Yongdong Zhang, Ting Peng, Yaling Su, Jinlei Yu, Zhengwen Liu
Summary: The study analyzed fatty acids in the surface sediments of Lake Taihu to investigate spatial heterogeneity in abundance and composition, revealing differences in organic matter sources and preservation status. Terrestrial plant-derived fatty acids were enriched in certain regions, while phytoplankton-derived fatty acids were lower due to preferential degradation. Factors such as nutrient levels, sediment resuspension, and inputs of terrestrial organic matter played a role in influencing fatty acid concentrations and compositions in the sediments.
Article
Medicine, Research & Experimental
Xiaoli Guo, Lei Zhang, Jingyu Wang, Wei Zhang, Jing Ren, Yujiao Chen, Yanlin Zhang, Ai Gao
Summary: Metabolomics was used to investigate the metabolic changes associated with benzene-induced hematotoxicity. The study found that altered fatty acid metabolism may play a crucial role in benzene-induced WBC decline.
Article
Biochemistry & Molecular Biology
Simon Nitter Dankel, Tine-Lise Kalleklev, Siri Lunde Tungland, Marit Hallvardsdotter Stafsnes, Per Bruheim, Thomas Aquinas Aloysius, Carine Lindquist, Jon Skorve, Ottar Kjell Nygard, Lise Madsen, Bodil Bjorndal, Magne Olav Sydnes, Rolf Kristian Berge
Summary: Changes in hepatic mitochondrial fatty acid beta-oxidation and associated tricarboxylic acid (TCA) cycle activity have implications for lifestyle-related diseases. This study investigates the effects of pharmacologically enhancing hepatic mitochondrial fatty acid beta-oxidation on TCA-cycle related metabolites and identifies potential markers of hepatic mitochondrial activity.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Ecology
Jiasheng Li, Ya Ping Wang, Jiabi Du, Feng Luo, Pei Xin, Jianhua Gao, Benwei Shi, Xindi Chen, Shu Gao
Summary: Meretrix meretrix are commonly found on tidal flats worldwide and have the potential to affect morphological dynamics and sedimentary processes. Their impacts on sediment erosion and deposition are not well understood. A study showed that the presence of M. meretrix may increase sea bed erodibility and enhance deposition of suspended sediment in the water column.
ECOHYDROLOGY & HYDROBIOLOGY
(2021)
Article
Marine & Freshwater Biology
Mariana do Amaral Camara Lima, Raymond D. Ward, Chris B. Joyce, Karin Kauer, Kalev Sepp
Summary: This study analyzes the carbon stock in the Isle of Wight, Solent, and adjacent harbours in southern England, including organic carbon in sediment and plants. The results contribute to global blue carbon research by providing the first direct assessment of sediment carbon stocks in intertidal seagrass meadows in the Solent region. The study also compares sediment organic carbon and organic matter content within seagrass meadows and adjacent mudflats, and suggests that organic matter content can be confidently used as a proxy for sediment organic carbon values in intertidal seagrass meadows. These findings support the inclusion of the region's seagrass meadows in conservation and restoration projects to conserve carbon stored in their soils and enhance their future carbon uptake potential.
ESTUARINE COASTAL AND SHELF SCIENCE
(2022)
Article
Geriatrics & Gerontology
Ye An Kim, Seung Hun Lee, Jung-Min Koh, Seung-hyun Kwon, Young Lee, Han Jin Cho, Hanjun Kim, Su Jung Kim, Ji Hyun Lee, Hyun Ju Yoo, Je Hyun Seo
Summary: This study found that fatty acid amides, in particular DHA EA, are potential biomarkers for sarcopenia in elderly men. The levels of fatty acid amides were significantly different in the plasma of elderly men with sarcopenia, and DHA EA was strongly correlated with muscle mass and strength.
JOURNAL OF CACHEXIA SARCOPENIA AND MUSCLE
(2023)
Article
Environmental Sciences
Dunia Rios-Yunes, Tim Grandjean, Alena di Primio, Justin Tiano, Tjeerd J. Bouma, Dick van Oevelen, Karline Soetaert
Summary: Intertidal coastal sediments play a crucial role in nutrient transformation and storage, with sediment resuspension impacting nutrient release to the water column. In this study, in-situ sediment resuspension experiments were conducted in the Eastern and Western Scheldt estuaries, revealing predictable increases in ammonium and nitrite concentrations with greater erosion. However, phosphate dynamics differed between the two systems, with a decrease observed in the tidal bay and an increase in the estuarine sediments. This study highlights the varying effects of sediment resuspension on nutrient exchange in different tidal coastal environments.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Environmental Sciences
Richard G. Lathrop, Daniel Merchant, Larry Niles, Danielle Paludo, Carlos David Santos, Carmen Espoz Larrain, Stephanie Feigin, Joseph Smith, Amanda Dey
Summary: Shorebirds migrate long distances between wintering and breeding grounds, often using coastal intertidal zones as stopover or overwintering habitats. Understanding the spatial distribution of sediment types at these sites is crucial. Remote sensing techniques can discriminate between mud and sand intertidal types, providing important insights about physical properties of the sediment.
Article
Geography, Physical
S. L. Horton, W. J. Stephenson, M. E. Dickson
Summary: This paper summarises a field-based pilot study that successfully collected fine-grain sediment moving across a sub-horizontal platform at Mudstone Bay, New Zealand. The study found that sediment transport on the platform is directional and likely originates from the platform itself. Further research is needed to gain a better understanding of the erosion environment.
Article
Marine & Freshwater Biology
M. Djezzar, J. M. Mortillaro, S. E. Doumandji, T. Meziane
Summary: This study focused on the trophic functioning of two reservoirs in Algeria, finding that the food web in a reservoir with low hydrodynamism and depth is simpler compared to a deeper reservoir with stronger hydrodynamics. Carnivorous and omnivorous fish were found to occupy the top of the food web in each reservoir, with differences in the food sources utilized by different species.
AFRICAN JOURNAL OF AQUATIC SCIENCE
(2021)
Article
Fisheries
R. Sonier, L. A. Comeau, R. Tremblay, F. Olivier, T. Meziane, B. Genard
Summary: The study found that blue mussels and clubbed tunicates can effectively utilize carbon from Picophytoplankton (PPP) in nutrient-rich marine ecosystems. They assimilate PPP carbon by ingesting PPP cells from water and recycling it through pseudofeces and feces, providing an ecological service in removing excess PPP in aquaculture settings.
Article
Oceanography
Guillaume Bridier, Tarik Meziane, Jacques Grall, Laurent Chauvaud, Sebastien Donnet, Pascal Lazure, Frederic Olivier
Summary: This study characterized the sources and quality of organic matter within a highly-stratified sub-Arctic coastal system and highlighted the various negative impacts of stratification on the coupling between pelagic and benthic environments. The intensified water column stratification due to increasing sea surface temperatures may modify the future quality and composition of particulate organic matter pools.
PROGRESS IN OCEANOGRAPHY
(2021)
Article
Marine & Freshwater Biology
Frank David, Tarik Meziane, Cyril Marchand, Guillaume Rolland, Aurelie Pham, Nguyen Thanh-Nho, Dominique Lamy
Summary: This study aimed to identify factors controlling prokaryotes ability to hydrolyse organic matter in a tropical mangrove ecosystem in Can Gio, Vietnam. Prokaryotic abundance and exo-proteolytic activity were measured at different scales, with higher activity observed in bottom waters influenced by seasonal and spatial variations.
ESTUARINE COASTAL AND SHELF SCIENCE
(2021)
Article
Environmental Sciences
Cedric Hubas, Dominique Monti, Jean-Michel Mortillaro, Sylvie Augagneur, Anne Carbon, Robert Duran, Solange Karama, Tarik Meziane, Patrick Pardon, Theo Risser, Nathalie Tapie, Najet Thiney, Helene Budzinski, Beatrice Lauga
Summary: The rivers in Guadeloupe and Martinique have high levels of chlordecone contamination, which has a significant impact on both aquatic ecosystems and human health. The biochemical composition and microbial community of epilithic biofilms are closely related to chlordecone pollution, and changes in these factors affect the viscoelastic properties of the biofilms. Microorganisms have been found to implement a strategy to scavenge chlordecone, providing new insights into the role of extracellular polymeric substances in microbial adaptation to chlordecone-polluted environments.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Multidisciplinary Sciences
Pauline Fey, Valeriano Parravicini, Daniela Banaru, Jan Dierking, Rene Galzin, Benoit Lebreton, Tarik Meziane, Nicholas V. C. Polunin, Mayalen Zubia, Yves Letourneur
Summary: The coral reef ecosystem in the Marquesas Islands has low coral cover, high sea surface temperature, and meso- to eutrophic waters. The study revealed that zooplankton rely more on phytoplankton-derived organic matter, while herbivorous fishes depend more on macroalgae-derived organic matter.
SCIENTIFIC REPORTS
(2021)
Correction
Multidisciplinary Sciences
Pauline Fey, Valeriano Parravicini, Daniela Banaru, Jan Dierking, Rene Galzin, Benoit Lebreton, Tarik Meziane, Nicholas V. C. Polunin, Mayalen Zubia, Yves Letourneur
SCIENTIFIC REPORTS
(2021)
Article
Ecology
Thibault Androuin, Pierrick Barbier, Martin Foret, Tarik Meziane, Mathilde Thomas, Philippe Archambault, Gesche Winkler, Rejean Tremblay, Frederic Olivier
Summary: The study investigated the triggers driving bivalve larvae settlement in an intertidal coarse sand habitat, finding that the early recruitment rate of bivalve families is influenced by specific trophic settlement triggers.
Article
Marine & Freshwater Biology
Mathias Chynel, Sofia Rockomanovic, Gwenael Abril, Glenda Barroso, Humberto Marotta, Wilson Machado, Christian J. Sanders, Najet Thiney, Tarik Meziane
Summary: Mangrove sediments have a high capacity of carbon storage, but are vulnerable to degradation and carbon losses due to urbanization. The level of eutrophication varies among different mangroves.
ESTUARINE COASTAL AND SHELF SCIENCE
(2022)
Article
Limnology
Frederic Olivier, Mathilde Gigot, Delphine Mathias, Youenn Jezequel, Tarik Meziane, Christophe L'Her, Laurent Chauvaud, Julien Bonnel
Summary: Noise pollution from human activities has increased in the oceans, yet there is limited research on its impact on marine invertebrates. To address this gap, researchers developed the Larvosonic system, a laboratory tank equipped with acoustic assets, to assess the effects of noise on young stages of marine invertebrates. They found that different types and levels of noise influenced the growth of scallops, with interactive effects between noise level/spectra and trophic environment.
LIMNOLOGY AND OCEANOGRAPHY-METHODS
(2023)
Article
Ecology
Camilla Lienart, Michael Tedengren, Andrius Garbaras, Hwanmi Lim, Mathias Chynel, Christophe Robinson, Tarik Meziane, Agnes M. L. Karlson
Summary: Cyanobacterial blooms have increased worldwide, and the decrease in spring diatom blooms in temperate aquatic ecosystems has been widely reported. This study investigates how blue mussels respond to different types of food sources and demonstrates their positive response to cyanobacteria, despite the low proportions of essential fatty acids. The results suggest that imbalances in the biochemical composition of diet can be overcome through biosynthesis of essential fatty acids.
JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY
(2023)
Article
Marine & Freshwater Biology
Frank David, Gwen Herault, Nadia Ameziane, Tarik Meziane, Aicha Badou, Cedric Hubas
Summary: Fatty acids and carotenoids play important roles in the embryonic and larval development of sea cucumbers. This study investigated their changes during gametogenesis and found that sea cucumbers rapidly accumulate lipids in their gonads after spawning, while carotenoid levels show little seasonal variation. The findings contribute to a better understanding of the reproductive cycle of sea cucumbers and have implications for aquaculture practices.
Article
Environmental Sciences
Mathilde Gigot, Frederic Olivier, Gauthier Cervello, Rejean Tremblay, Delphine Mathias, Tarik Meziane, Laurent Chauvaud, Julien Bonnel
Summary: One of the biggest challenges in the 21st century is to reduce carbon emissions, and offshore wind turbines appear to be an efficient solution. However, the high levels of noise emitted during the installation phase may have unknown impacts on benthic marine invertebrates. This study investigates the effects of diet and pile driving or drilling sounds on the settlement of P. maximus larvae.
MARINE POLLUTION BULLETIN
(2023)
Meeting Abstract
Fisheries
Frederic Olivier, Mathilde Gigot, Julien Bonnel, Delphine Mathias, Tarik Meziane, Rejean Tremblay, Laurent Chauvaud
JOURNAL OF SHELLFISH RESEARCH
(2023)
Meeting Abstract
Fisheries
Nathalia Byrro Gauthier, Thomas Uboldi, Rejean Tremblay, Tarik Meziane, Frederic Olivier, Laurent Chauvaud, Gesche Winkler
JOURNAL OF SHELLFISH RESEARCH
(2023)
