Results 91 to 100 of about 6,014 (204)
This study examines how the morphology of Mediterranean blue sharks (Prionace glauca ) changes throughout their development. Using linear and geometric morphometrics, it reveals that juveniles and adults differ in fin and head shape, reflecting adaptations to different ecological and swimming demands.
P. Carbonara +9 more
wiley +1 more source
Pelagic and demersal sharks played different top‐down controls in the food web. Pelagic sharks act as apex predators impacting mesoconsumers. Trophic controls patterns by demersal sharks change according to ecosystem traits. ABSTRACT Pelagic and demersal Chondrichthyes can assume different patterns of trophic controls on marine food webs, sustaining ...
P. Ricci +7 more
wiley +1 more source
Comparison on vertical distribution of pelagic copepod abundance, biomass and community structure between Atlantic and Pacific sector of the Arctic Ocean [PDF]
Recently, a great reduction of sea ice coverage has been reported for the Arctic Ocean during summer. The reduction has been reported to be greater for regions which connect the Arctic with the Atlantic and the Pacific Ocean, respectively.
Abe, Yoshiyuki +5 more
core
Taxonomic diversity and identification problems of oncaeid microcopepods in the Mediterranean Sea [PDF]
The species diversity of the pelagic microcopepod family Oncaeidae collected with nets of 0.1-mm mesh size was studied at 6 stations along a west-to-east transect in the Mediterranean Sea down to a maximum depth of 1,000 m.
A Skovgaard +70 more
core +1 more source
Abstract Particulate organic matter supports pelagic food webs, and the activity of these food webs attenuates the flux of carbon into the ocean interior. Understanding the extent to which microbial and metazoan heterotrophs influence particle dynamics is essential to describing the biological carbon pump and nutrient delivery to deep ecosystems.
S. C. Doherty +3 more
wiley +1 more source
Geographic distribution of archaeal ammonia oxidizing ecotypes in the Atlantic Ocean
In marine ecosystems, Thaumarchaeota are most likely the major ammonia oxidizers. While ammonia concentrations vary by about two orders of magnitude in the oceanic water column, archaeal ammonia oxidizers (AOA) vary by only one order of magnitude from ...
Eva eSintes +4 more
doaj +1 more source
Abstract Sensory systems are under constant pressure from environmental changes, and vision offers a particularly rich lens to study adaptation. In this Special Feature, we present a collection of contributions that explore the roles of visual systems in extreme or dynamic environments.
Zuzana Musilova, Sara Mae Stieb
wiley +1 more source
Microbially mediated decomposition of particulate organic carbon (POC) is a central component of the oceanic carbon cycle, controlling the flux of organic carbon from the surface ocean to the deep ocean.
Ying Liu +5 more
doaj +1 more source
Leptocephalus larvae of elopomorph fishes are a cryptic component of fish diversity in nearshore and oceanic habitats. However, identifying those leptocephali can be important in illuminating species richness in a region.
Jon A. Moore +4 more
doaj +1 more source

