D. Portnova

Publications22
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Citations345
Highly Influential Citations23
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The contribution of deep-sea macrohabitat heterogeneity to global nematode diversity
TLDR
It is shown that macrohabitat heterogeneity contributes significantly to total deep-sea nematode diversity on a global scale, and that many areas and habitats remain highly under-sampled, affecting the ability to understand fully the contribution of habitat heterogeneity versus regional differences to global nematodes diversity. Expand
The small-sized benthic biota of the Håkon Mosby Mud Volcano (SW Barents Sea slope)
Abstract R/V POLARSTERN expedition ARK XVIII/1 in summer 2002 provided the opportunity to carry out a sampling programme to assess the activity, biomass and composition of the small-sized benthic… Expand
New species of the genus Isorropodon (Bivalvia: Vesicomyidae: Pliocardiinae) from cold methane seeps at Nyegga (Norwegian Sea, Vøring Plateau, Storrega Slide)
TLDR
A new species of vesicomyid bivalve is described based on shell morphology, from the Nyegga cold methane seep area on the Norwegian continental margin, the northernmost record of recent representatives of the family Vesicomyidae. Expand
Nematode species distribution patterns at the Hakon Mosby Mud Volcano (Norwegian Sea)
The Hakon Mosby Mud Volcano (HMMV) is a methane seep that is densely populated by the bacteria Beggiatoa spp. as well as by tubeworms of the Family Siboglinidae. Analyses of samples from seven… Expand
Description of two free-living nematode species of Halomonhystera disjuncta complex (Nematoda: Monhysterida) from two peculiar habitats in the sea
TLDR
Morphological descriptions of two Halomonhystera species (Nematoda, Monhysterida) are presented and the genus Halomon Hystera Andrássy 2006 is redefined, and its morphospecies list is reviewed. Expand
Metazoan meiobenthos and nematode assemblages in the Nyegga Region of methane seepage (Norwegian Sea)
TLDR
The modal size fraction of meiobenthos and nematodes regardless of microbiotopes fell on samples that were obtained on sieves with 63–125 μm mesh sizes, and the species diversity decreased in the direction from the background biotope to siboglinid fields and further to bacterial mats. Expand
Free-living nematodes from the deep-sea Håkon Mosby Mud Volcano, including the description of two new and three known species
Two new and three known species of the genera Aponema Jensen, 1978, Molgolaimus Ditlevsen, 1921, Sabatieria Rouville, 1903, and Terschellingia De Mann, 1888 were found at the deep-sea Hakon Mosby Mud… Expand
Meiobenthos and nematode community in Yenisei Bay and adjacent parts of the Kara Sea shelf
TLDR
The trophic structure of the taxocene of nematodes in Yenisei Bay is dominated by nematode with well-defined stoma and are differently armed, and the estuary and shelf are dominated by selective and nonselective deposit feeders. Expand
Integrity of benthic assemblages along the arctic estuarine-coastal system
Abstract This study was carried out in the Yenisei estuary and in the adjacent part of the Kara Sea shelf. We analyzed and compared the distribution patterns of the different benthic taxa and size… Expand
Meiobenthos of the eastern shelf of the Kara Sea compared with the meiobenthos of other parts of the sea
Abstract The meiofauna was studied at 7 stations in the eastern part of the Kara Sea shelf and at the southern edge of the Voronin Trough. The total meiofaunal abundance was 682 ± 403 ind./10 cm2 and… Expand
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