Results 61 to 70 of about 1,628 (148)

Inter-seasonal phytoplankton dynamics in the UAE coastal waters

open access: yesFrontiers in Marine Science
Phytoplankton are key indicators of marine ecosystem health and drivers of biogeochemical processes, yet their seasonal patterns in the southern Arabian Gulf are insufficiently understood.
Nadia Solovieva   +5 more
doaj   +1 more source

Numerical Evidence of Invariance of Turbulence Dissipation Rate in Breaking Waves

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract We perform direct numerical simulations to verify the hypothesis of invariance of the turbulence dissipation rate, proposed by Deane, Stokes, and Callaghan (2016, https://doi.org/10.1175/jpo‐d‐14‐0187.1) based on their laboratory breaking wave experiments.
Umberto C. Bitencourt   +6 more
wiley   +1 more source

High Grazing Rates on Cryptophyte Algae in Chesapeake Bay

open access: yesFrontiers in Marine Science, 2018
Cryptophyte algae are globally distributed photosynthetic flagellates found in freshwater, estuarine, and neritic ecosystems. While cryptophytes can be highly abundant and are consumed by a wide variety of protistan predators, few studies have sought to ...
Matthew D. Johnson   +4 more
doaj   +1 more source

Abalone Gut Microbiome Regulators: A Review Synthesizing Gut Physiology, Microorganisms, Diet and the Environment

open access: yesAquaculture, Fish and Fisheries, Volume 6, Issue 4, August 2026.
ABSTRACT Abalone are economically, ecologically and culturally significant marine molluscs, with both wild and farmed populations under pressure due to intrinsic and extrinsic stressors. Abalone performance and health are centred on a highly specialized digestive system supported by a diverse gut microbiome, which enables nutrient assimilation ...
Jinchen Guo   +3 more
wiley   +1 more source

Dynamics of dinoflagellates and environmental factors during the summer in the Gulf of Gabes (Tunisia, Eastern Mediterranean Sea)

open access: yesScientia Marina, 2008
The summer spatial distribution of the dinoflagellate community along an open coastal sea gradient in the Gulf of Gabes (Tunisia, Eastern Mediterranean Sea), together with environmental factors, were studied.
Zaher Drira   +5 more
doaj   +1 more source

Why a Chloroplast Needs Its Own Genome Tethered to the Thylakoid Membrane—Co‐Location for Redox Regulation

open access: yesBioEssays, Volume 48, Issue 8, August 2026.
A schematic outline of chloroplast DNA tethered to two stacked thylakoids that contain the components of photosynthetic electron transport. Green shapes represent proteins encoded in chloroplast DNA; brown shapes represent proteins encoded in the cell nucleus. ABSTRACT A chloroplast is a subcellular organelle of photosynthesis in plant and algal cells.
John F. Allen
wiley   +1 more source

A review of mechanically stimulated bioluminescence of marine plankton and its applications

open access: yesFrontiers in Marine Science
Bioluminescence is ubiquitous in marine ecosystems and found in uni- and multicellular organisms. Bioluminescent displays can be used to deter predators, attract mates, and lure and hunt prey.
Francis Letendre   +4 more
doaj   +1 more source

Environmental factors influencing the variability of Lingulodinium polyedrum and Scrippsiella trochoidea (Dinophyceae) cyst production

open access: yesCiencias Marinas, 2009
This study analyzes the temporal variability of the abundance of Lingulodinium polyedrum and Scrippsiella trochoidea resting cysts in surface sediments, as well as the temporary cysts and vegetative cells of L.
JL Peña-Manjarrez   +2 more
doaj   +1 more source

Fear of grazing rivals the toxin‐inducing effects of nutrients in two marine harmful algae – a meta‐analysis

open access: yesBiological Reviews, Volume 101, Issue 4, Page 1904-1921, August 2026.
ABSTRACT One of the major subfields of chemical ecology is the study of toxins and how they mediate interactions between organisms. Toxins produced by harmful algae (phycotoxins) impact a wide variety of organisms connected to the marine food web. Significant research efforts have thus aimed to identify the ecological and evolutionary drivers behind ...
Milad Pourdanandeh, Erik Selander
wiley   +1 more source

Paleoceanographic and paleoclimatic reconstruction based on marine palynomorphs in the period 1811–1907 CE in the Magdalena Basin, Baja California Sur, Mexico

open access: yesCiencias Marinas, 2019
Biennial variations of marine palynomorph concentrations mirrored oceanographic conditions in the Magdalena Basin, Baja California Sur (Mexico), in the period from 1811 to 1907 (common era, CE), for which the sea surface temperature index (SSTI) showed ...
Laura Cristina López-Velázquez   +4 more
doaj   +1 more source

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