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Progress in Oceanography
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3.25
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2544
Papers 2608
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Abstract The Sea of Okhotsk is one of the world’s largest marginal seas; its benthic fauna, especially from deeper parts, remains virtually unexplored. The material for this study was collected in the Sea of Okhotsk, Bussol Strait, and from the northern slope of the Kuril-Kamchatka Trench, during the Russian-German expedition Sea of Okhotsk Biodiversity Studies (SokhoBio) onboard the RV Akademik M.A. Lavrentyev in 2015. Material was collected using a camera-equipped epibenthic sledge (C-EBS). Fo...
#1Alexandra S. Petrunina (MSU: Moscow State University)H-Index: 2
#2Gregory A. Kolbasov (MSU: Moscow State University)H-Index: 8
Last.Pedro Martínez ArbizuH-Index: 16
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Abstract The Tantulocarida is a small taxon of microscopic parasitic crustaceans that has a sophisticated life-cycle. The unique larval stage is called a tantulus, which is adapted to both free-swimming in sediments and attached parasitic mode of life. The anatomy of free-swimming tantulus larvae was studied using confocal laser scanning microscopy (CLSM) for the first time. This revealed previously undocumented details of the internal organisation of the Tantulocarida. Structures known to degra...
#2Brian J. BettH-Index: 33
Last.Henry A. RuhlH-Index: 26
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Abstract Biomass is a key variable for understanding the stocks and flows of carbon and energy in the environment. The quantification of megabenthos biomass (body size ≥ 1 cm) has been limited by their relatively low abundance and the difficulties associated with quantitative sampling. Developments in robotic technology, particularly autonomous underwater vehicles, offer an enhanced opportunity for the quantitative photographic assessment of the megabenthos. Photographic estimation of biomass ha...
#1Anna RumyantsevaH-Index: 1
#2Stephanie A. HensonH-Index: 28
Last.Karen J. HeywoodH-Index: 40
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Abstract The spring bloom dominates the annual cycle of phytoplankton abundance in large regions of the world oceans. The mechanisms that trigger blooms have been studied for decades, but are still keenly debated, due in part to a lack of data on phytoplankton stocks in winter and early spring. Now however autonomous underwater gliders can provide high-resolution sampling of the upper ocean over inter-seasonal timescales and advance our understanding of spring blooms. In this study, we analyze b...
#1Martin Godefroid (Fisheries and Oceans Canada)
#2Jennifer L. Boldt (Fisheries and Oceans Canada)H-Index: 9
Last.Moira Galbraith (Fisheries and Oceans Canada)H-Index: 8
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Abstract Determining how fish respond to variation in biotic and abiotic conditions is a crucial prerequisite to forecasting changes in productivity and spatial distribution of fish stocks and designing sustainable marine resource management strategies. In the present study, we investigated the physical and biological drivers of the spatio-temporal dynamics of Pacific Herring (Clupea pallasi), which is a marine forage fish species important for commercial fisheries and First Nations in the north...
#1Enrique Isla (CSIC: Spanish National Research Council)H-Index: 17
#2Dieter GerdesH-Index: 22
Abstract Global warming is heating the Antarctic circumpolar deep water (CDW), which comes into direct contact with the diverse and abundant macrobenthic communities thriving on the continental shelf of the Weddell Sea (WS). A set of 16 current meters deployed along more than 3000 km coastline revealed that tidal currents drive CDW intrusions onto the WS continental shelf and they can increase the temperature near the seabed by ~2.7 °C. The ongoing ocean warming trend may expose macrobenthic ass...
#1M. Fettweis (Royal Belgian Institute of Natural Sciences)H-Index: 16
#2Rolf RiethmüllerH-Index: 11
Last.T. Cox (University of Antwerp)H-Index: 10
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Abstract Measurement of suspended particulate matter concentration (SPMC) spanning large time and geographical scales have become a matter of growing importance in recent decades. At many places worldwide, complex observation platforms have been installed to capture temporal and spatial variability over scales ranging from cm (turbulent regimes) to whole basins. Long-term in situ measurements of SPMC involve one or more optical and acoustical sensors and, as the ground truth reference, gravimetr...
Abstract Two new myriotrochid genera and a new species are described on the basis of material collected during the Russian-German expeditions KuramBio and KuramBio II in the Kuril-Kamchatka Trench area. Within the family Myriotrochidae eight types of wheel-like deposits are distinguished. Psilotrochus gen. n. and Sonnetrochus gen. n. possess 10 tentacles and wheels of unique types.Currenly Myriotrochidae consists of 52 recent species belonging to 10 genera. Number of species decreases from 26 at...
#1A. V. Adrianov (Far Eastern Federal University)H-Index: 9
#2Anastassya S. Maiorova (Far Eastern Federal University)H-Index: 7
Abstract A new species of echinoderid kinorhynchs, Echinoderes ultraabyssalis sp. nov. collected from oxidized brown clay at the deepest depression of the Kuril-Kamchatka Trench, North-West Pacific, is described and illustrated using light and electron microscopy. This new representative of the largest kinorhynch genus is characterized by the unique set of spines and tubules and can be easily distinguished from other congeners. The first trunk segment shows remarkably wrinkled posterior margin w...
#1Vladimir Mordukhovich (Far Eastern Federal University)H-Index: 2
#2Alexandr A. Semenchenko (Far Eastern Federal University)
Last.Julia K. ZografH-Index: 3
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Abstract Two nematode species of the subfamily Synonchinae Platonova, 1970 , (Leptosomatidae Filipjev, 1916 ) were isolated during deep-sea expeditions to the Kurile-Kamchatka Trench and adjacent area, for morphological and molecular analyses. One new genus and two new species are described. Platonova gen. nov. differs from other known Synonchinae genera by the tail shape, by the pronounced division of pharyngostome into 2 parts, by the presence of one dorsal tooth in the anterior part of pharyn...
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