Results 61 to 70 of about 771 (158)

Testing the deep‐sea glacial disturbance hypothesis as a cause of low, present‐day Norwegian Sea diversity and resulting steep latitudinal diversity gradient, using fossil records

open access: yesGlobal Ecology and Biogeography, Volume 33, Issue 7, July 2024.
Abstract Aim Within the intensively‐studied, well‐documented latitudinal diversity gradient, the deep‐sea biodiversity of the present‐day Norwegian Sea stands out with its notably low diversity, constituting a steep latitudinal diversity gradient in the North Atlantic. The reason behind this has long been a topic of debate and speculation.
Anna B. Jöst   +8 more
wiley   +1 more source

Redescription of Echinoderes levanderi Karling, 1954 (Kinorhyncha: Cyclorhagida) – a kinorhynch tolerant to very low salinities

open access: yesEuropean Journal of Taxonomy, 2018
The kinorhynch species Echinoderes levanderi Karling, 1954 is redescribed. The species can now be recognized by the presence of spines in middorsal positions on segments 4–8, and in lateroventral positions on segments 6–9, with lateroventral spines on ...
Martin V. Sørensen
doaj   +1 more source

Revision of Angursa (Arthrotardigrada: Styraconyxidae) with the description of a new species from Japan

open access: yesEuropean Journal of Taxonomy, 2019
We re-examined the type material of five of the seven described species of the marine tardigrade genus Angursa Pollock, 1979, namely, A. abyssalis Renaud-Mornant, 1981, A. bicuspis Pollock, 1979 (type species), A. capsula Bussau, 1992, A.
Shinta Fujimoto, Jesper Guldberg Hansen
doaj   +1 more source

Copepoda of lowland springs: diversity patterns and integrative taxonomy of Cyclops

open access: yesJournal of Limnology
Groundwater copepods in lowland Europe remain insufficiently studied compared to those from mountainous regions. Here, we present the results of a faunistic and ecological survey of lowland springs, conducted in the context of earlier research on ...
Sabina Smolska   +4 more
doaj   +1 more source

Taxonomic Study of Free-Living Marine Nematodes in the Subgenus Tricoma (Desmoscolecida: Desmoscolecidae) from the Subtidal Zone of the East Sea, Korea, with Insights into the Ultrastructure of the Lip Region

open access: yesJournal of Marine Science and Engineering
This study provides a taxonomic analysis of three newly discovered species of free-living marine nematodes in the subgenus Tricoma from the East Sea, Korea. Tricoma (Tricoma) polyringulata sp. nov. is characterized by its relatively small body size, with
Hyo Jin Lee, Heegab Lee, Hyun Soo Rho
doaj   +1 more source

Bottom meiofauna of highly mineralised rivers in the Eltonsky Nature Park (Russia)

open access: yesNature Conservation Research: Заповедная наука, 2019
As established by numerous research the community of bottom meiofauna (meiobenthos) plays an important role in the diversity, quantitative characteristics and trophic relationships of the hydrofauna, as well as in the general flow of matter and energy of
Vladimir A. Gusakov
doaj   +1 more source

Meiofauna from Almirante Câmara Canyon and Its Adjacent Open Slope, Southwest Atlantic Ocean

open access: yesCoasts
The patterns of meiofaunal distribution in a submarine canyon and adjacent open-slope habitats at Campos Basin, southwest Atlantic, were investigated. A total of eight stations was sampled, four inside the Canyon Almirante Câmara and four on the adjacent
André M. Esteves   +4 more
doaj   +1 more source

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