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Deep-sea Research Part Ii-topical Studies in Oceanography
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#1Briannyn Woods (UTAS: University of Tasmania)H-Index: 1
#2A Walters (UTAS: University of Tasmania)H-Index: 3
Last.Rowan Trebilco (CRCs: Cooperative Research Centre)H-Index: 12
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Abstract Mesopelagic fish are an important but poorly understood mid-trophic component of pelagic food webs. There are major uncertainties regarding their trophodynamics and their overall contribution to the broader Southern Ocean food web. This study aimed to investigate the trophic role of mesopelagic fish in the region of the southern Kerguelen Plateau, an area of known importance to an abundant and diverse community of marine predators. We used carbon and nitrogen stable isotopes to quantify...
1 CitationsSource
#1Arnold L. Gordon (LDEO: Lamont–Doherty Earth Observatory)H-Index: 68
#2Emily L. Shroyer (OSU: Oregon State University)H-Index: 15
Last.Sinhalage Udaya Priyantha Jinadasa (NARA: National Archives and Records Administration)
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#1Kumar Ravi Prakash (IITD: Indian Institute of Technology Delhi)H-Index: 2
#2Vimlesh Pant (IITD: Indian Institute of Technology Delhi)H-Index: 10
Abstract The impact of waves on currents and vice-versa is an integral part of the complex coastal dynamics. The wave-current interaction is prominent in the coastal shelf-slope regions, particularly during the passage of a tropical cyclone. In the present study, we describe the importance of wave-current interaction in the northern Bay of Bengal (BoB) using a fully coupled three-dimensional Coupled Ocean-Atmosphere-Wave-Sediment Transport (COAWST) modelling system. The COAWST model is applied t...
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#2Kelly J. Benoit-Bird (MBARI: Monterey Bay Aquarium Research Institute)H-Index: 4
Last.R.G. Henthorn (MBARI: Monterey Bay Aquarium Research Institute)
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Abstract Ecological and behavioral data on mobile, low density, benthopelagic animals is difficult to collect in the abyssal environment. However, these species occupy an important position in the abyssal food chain. At-depth ROV-mounted echosounder studies provide a powerful tool to gather in-situ information on abyssal benthopelagic assemblages and discern their distribution, behavior and habitat associations. This study presents a new perspective on mobile benthopelagic assemblages at the lon...
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#1Kuo-Wei Lan (NTOU: National Taiwan Ocean University)H-Index: 9
#2Yi-Jay Chang (NTU: National Taiwan University)
Last.Yan-Lun Wu (NTOU: National Taiwan Ocean University)
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Abstract Using Taiwanese longline fishery data, this study investigated the influence of climate variability and environmental conditions in the Indian Ocean on the catch rates and distribution of immature and mature cohorts of yellowfin tuna. The variations in the seasonal distribution of immature and mature cohorts suggest that yellowfin tuna move extensively from the Arabian Sea and Bay of Bengal to the coastal waters of Somalia and around Madagascar in the Indian Ocean. The high recruitments...
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Abstract To better understand and characterize the distribution of the dolphinfish Coryphaena hippurus in the Pacific Ocean off Peru, we analyzed spatio-temporal catch per unit effort (CPUE) data from the artisanal longline dolphinfish fishery and oceanographic variables measured from October–March during 2010–2017. A Delta-GAM approach determined that high dolphinfish CPUE occurred during the period from November–January between 9-11°S at an average of 190 nautical miles (nm) from the coast. Fr...
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#1Javed Riaz (UTAS: University of Tasmania)
#2A Walters (UTAS: University of Tasmania)H-Index: 3
Last.Mary-Anne Lea (UTAS: University of Tasmania)H-Index: 22
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Abstract Mesopelagic fish represent an important trophic link between zooplankton and higher order predators in Southern Ocean food webs. Information on their feeding habits is still sparse, representing a key area of uncertainty in efforts to understand and model Southern Ocean food web dynamics. We used visual assessment of stomach contents to characterise the diets of three myctophids (Electrona antarctica, Gymnoscopelus braueri, Krefftichthys anderssoni) and one bathylagid (Bathylagus antarc...
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Abstract Sediment trap and core top sediments were used to study the seasonal and longer-term variability in the distribution and assemblage composition of planktonic foraminifera (PF) in the ultra-oligotrophic Eastern Mediterranean Levantine Basin (LB). A continuous time series of particulate flux sampled every 11–12 days were retrieved from a sediment trap deployed at 1300 m between May 2017 and May 2018. The core top sediments were collected close to the sediment trap mooring site at ∼1500 m ...
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#1Timor KatzH-Index: 3
#2Yishai Weinstein (BIU: Bar-Ilan University)H-Index: 13
Last.Barak Herut (University of Haifa)H-Index: 40
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Abstract The eastern Levantine basin (ELB) is an ultra-oligotrophic, warm and saline marine system, significantly affected by climate change during the past several decades. The deployment of the first moored station at the ELB (DeepLev), at 1500 m water depth, ∼50 km offshore Haifa, Israel, aimed at enhancing synchronized measurements of physical and biogeochemical dynamics. The station carries an array of sediment traps and sensors that measure physical, chemical, and biological attributes alo...
1 CitationsSource
#1V. Beccari (University of Fribourg)
#2D. Basso (University of Milano-Bicocca)
Last.Y. Makovsky (University of Haifa)
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Abstract Seafloor video surveys were carried out with the ROV Max Rover in the Palmahim Disturbance (PD) area, offshore Israel, in September 2016 during the EUROFLEETS2 SEMSEEP cruise on board the R/V AEGAEO. Preliminary observations of distribution and frequencies of bivalve accumulations show that they are mostly composed by Lucinoma kazani shells. Valves are distributed mainly along the base of authigenic carbonate crusts, in association with bacterial mats and inside inactive chimney-like st...
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Oceanography
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