Results 11 to 20 of about 458 (144)

The perils of online biogeographic databases: a case study with the ‘monospecific’ genus Aegina (Cnidaria, Hydrozoa, Narcomedusae) [PDF]

open access: yesMarine Biology Research, 2017
ABSTRACTOnline biogeographic databases are increasingly being used as data sources for scientific papers and reports, for example, to characterize global patterns and predictors of marine biodiversity and to identify areas of ecological significance in the open oceans and deep seas.
Lindsay, Dhugal John   +8 more
openaire   +3 more sources

Piggybacking pycnogonids and parasitic narcomedusae on Pandea rubra (Anthomedusae, Pandeidae)

open access: yesPlankton and Benthos Research, 2007
8 pages, 3 figures, 1 table Associations between pycnogonids and the mesopelagic anthomedusan Pandea rubra are reported from two in situ video footage records off the Pacific coast of northern Japan, and from a plankton sample collected in the Weddell Sea (one juvenile of the pycnogonid Pallenopsis (Bathypallenopsis) tritonis).
Pagès, Francesc   +2 more
openaire   +4 more sources

Description of Jubanyella plemmyris gen. nov. et sp. nov. (Cnidaria: Hydrozoa: Narcomedusae) from a specimen stranded off Jubany Antarctic station, with a new diagnosis for the family Aeginidae [PDF]

open access: yesJournal of Plankton Research, 2006
5 pages, 3 figures Jubanyella plemmyris, a new genus and species of aeginid narcomedusan, is described from one complete specimen stranded on Potter Cove beach, King George Island, Southern Ocean. The new genus and species is proposed in order to accommodate the specimen described in the family Aeginidae; Jubanyella gen. nov. contains undivided stomach
Fuentes, V., Pagès, F.
openaire   +5 more sources

Towards understanding the phylogenetic history of Hydrozoa: Hypothesis testing with 18S gene sequence data

open access: yesScientia Marina, 2000
Although systematic treatments of Hydrozoa have been notoriously difficult, a great deal of useful information on morphologies and life histories has steadily accumulated. From the assimilation of this information, numerous hypotheses of the phylogenetic
A. G. Collins
doaj   +2 more sources

Estructura poblacional del zooplancton gelatinoso en el mar ecuatoriano

open access: yesRevista Científica de Ciencias Naturales y Ambientales, 2019
El presente estudio analiza la composición y distribución del zooplancton gelatinoso en el mar ecuatoriano desde Julio 2017 hasta Abril 2018. Se dividió el perfil costero en dos zonas: la ZI abarcó la provincia de Esmeraldas hasta la parte norte de la ...
Paulina Castillo   +2 more
doaj   +2 more sources

Hydromedusae (Cnidaria: Hydrozoa) from the temperate southwestern Atlantic Ocean: a review [PDF]

open access: yes, 2008
Hydromedusae are one of the best-represented planktonic groups in waters of the South Atlantic Ocean in terms of species richness. Nevertheless, medusae of the region are inadequately known because earlier studies have been limited and restricted to few ...
Bouillon, Jean   +2 more
core   +3 more sources

Species composition and distribution of Medusae (Cnidaria: medusozoa) in the Algerian coast between 2°e and 7°e (SW Mediterranean Sea) [PDF]

open access: yesMediterranean Marine Science, 2019
The composition and abundance distribution of the Medusae community of the Algerian coast (between 2°E to 7°E) were investigated during autumn 2014. Zooplankton sampling was performed in the upper layer (0-100 m) at 14 stations.
HAFFERSSAS, AZIZ, KHERCHOUCHE, ALDJIA
core   +3 more sources

Environmental DNA surveys detect distinct metazoan communities across abyssal plains and seamounts in the western Clarion Clipperton Zone. [PDF]

open access: yesMol Ecol, 2020
Abstract The deep seafloor serves as a reservoir of biodiversity in the global ocean, with >80% of invertebrates at abyssal depths still undescribed. These diverse and remote deep‐sea communities are critically under‐sampled and increasingly threatened by anthropogenic impacts, including future polymetallic nodule mining.
Laroche O   +3 more
europepmc   +2 more sources

Three major mesoplanktonic communities resolved by in situ imaging in the upper 500 m of the global ocean

open access: yesGlobal Ecology and Biogeography, Volume 32, Issue 11, Page 1991-2005, November 2023., 2023
Abstract Aim The distribution of mesoplankton communities has been poorly studied at global scale, especially from in situ instruments. This study aims to (1) describe the global distribution of mesoplankton communities in relation to their environment and (2) assess the ability of various environmental‐based ocean regionalizations to explain the ...
Thelma Panaïotis   +15 more
wiley   +1 more source

Integrating siphonophores into marine food‐web ecology

open access: yesLimnology and Oceanography Letters, Volume 7, Issue 2, Page 81-95, April 2022., 2022
Abstract Siphonophores are a clade of understudied colonial hydrozoans (Cnidaria) that are abundant predators in oceanic ecosystems, with species present across the water column. We (1) synthesize current knowledge about siphonophore trophic ecology and predator–prey interactions, (2) analyze siphonophore‐prey networks to compare food‐web topology ...
Elizabeth D. Hetherington   +4 more
wiley   +1 more source

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