Results 41 to 50 of about 2,676 (209)

Protist Community Grazing on Prokaryotic Prey in Deep Ocean Water Masses.

open access: yesPLoS ONE, 2015
Oceanic protist grazing at mesopelagic and bathypelagic depths, and their subsequent effects on trophic links between eukaryotes and prokaryotes, are not well constrained.
Emma Rocke   +4 more
doaj   +1 more source

BATHYPELAGIC Cruise, RV Sarmiento de Gamboa

open access: yes, 2018
BATHYPELAGIC Cruise (29SG20180524) carried out on the Research Vessel Sarmiento de Gamboa in 2018The main objective of the Project is to estimate the active flux towards bathypelagic waters (carbon sequestration) with a global perspective.
Hernández León, Santiago   +1 more
core   +1 more source

Diversity and distribution of marine heterotrophic bacteria from a large culture collection

open access: yesBMC Microbiology, 2020
Background Isolation of marine microorganisms is fundamental to gather information about their physiology, ecology and genomic content. To date, most of the bacterial isolation efforts have focused on the photic ocean leaving the deep ocean less explored.
Isabel Sanz-Sáez   +13 more
doaj   +1 more source

Vertical and longitudinal gradients in HNA-LNA cell abundances and cytometric characteristics in the Mediterranean Sea [PDF]

open access: yesBiogeosciences, 2011
Heterotrophic bacterioplankton abundance and production were investigated with depth (down to bathypelagic layers) and with longitude (from 4.9° E to 32.7° E) along a cruise track across the Mediterranean Sea in early summer 2008.
F. Van Wambeke   +3 more
doaj   +1 more source

Giants in the cold: Morphological evidence for vascular heat retention in the viscera but not the skeletal muscle of the basking shark (Cetorhinus maximus)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Fewer than 50 of the over 30,000 extant species of fishes have developed anatomical specializations facilitating endothermy in specific body regions. The plankton‐feeding basking shark (Cetorhinus maximus), traditionally classified as an ectotherm, was recently shown to have regionally endothermic traits such as centralized red muscle (RM ...
C. Antonia Klöcker   +9 more
wiley   +1 more source

Carbon remineralization by small mesopelagic and bathypelagic Stomiiforms in the Northeast Atlantic Ocean [PDF]

open access: yes, 2022
The organic carbon resulting from photosynthesis in the upper ocean is transferred downward through the passive sinking of organic particles, physical mixing of particulate and dissolved organic carbon as well as active flux transported by zooplanktonic ...
Hernández-León, S. (Santiago)   +21 more
core   +1 more source

Assemblage Structure of Ichthyoplankton Communities in the Southern Adriatic Sea (Eastern Mediterranean)

open access: yesBiology, 2023
Studies based on fish early life stages can provide information on spawning grounds and nursery areas, helping to determine the implications for stock biomass fluctuations of recruitment variability.
Alessandro Bergamasco   +8 more
doaj   +1 more source

Diving deep into the origins of refractory dissolved amino acids in the ocean

open access: yesLimnology and Oceanography, Volume 71, Issue 6, June 2026.
Abstract Amino acids are key constituents of marine peptides and proteins and are generally considered biologically labile or semi‐labile, yet their widespread occurrence throughout the ocean suggests bioresistance over extended timescales. To investigate this paradox, we conducted two parallel shipboard incubation experiments to track microbial ...
Yuan Shen, Ronald Benner
wiley   +1 more source

Large deep-sea zooplankton biomass mirrors primary production in the global ocean

open access: yesNature Communications, 2020
Zooplankton biomass in the dark ocean is thought to be low and weakly coupled to epipelagic primary production, but recent evidence suggests otherwise.
S. Hernández-León   +13 more
doaj   +1 more source

Acoustic evidence for topographic blocking on a steep submarine canyon wall

open access: yesLimnology and Oceanography, Volume 71, Issue 6, June 2026.
Abstract Diel vertical migration (DVM) is the largest mass‐movement of animals on Earth, with profound ecological and biogeochemical consequences. DVM has mostly been studied in the open ocean; however, at steep slopes, pelagic animals including vertical migrators must contend with the seafloor, emphasizing the importance of understanding DVM in these ...
Astrid B. Leitner   +5 more
wiley   +1 more source

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