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Gerard C.A. Duineveld
Utrecht University
OceanographyGeologyEcologyBenthic zoneBiology
42Publications
9H-index
300Citations
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Publications 44
Newest
#1Sabine Haalboom (UU: Utrecht University)
#2David M. Price (University of Southampton)
Last. Gerard C.A. Duineveld (UU: Utrecht University)H-Index: 9
view all 8 authors...
Abstract. Hydrothermal vent fields found at mid-ocean ridges emit hydrothermal fluids that disperse as neutrally buoyant plumes. From these fluids seafloor massive sulfides (SMS) deposits are formed, which are being explored as possible new mining sites for (trace) metals and rare earth elements (REEs). It has been suggested that during mining activities large amounts of suspended matter will appear in the water column due to excavation processes and discharge of mining waste from the surface ve...
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#1Craig Robertson (Bangor University)H-Index: 3
#2Amanda W.J. Demopoulos (USGS: United States Geological Survey)H-Index: 13
Last. Mike Rhode (UNCW: University of North Carolina at Wilmington)H-Index: 4
view all 11 authors...
Abstract Submarine canyons are often morphologically complex features in the deep sea contributing to habitat heterogeneity. In addition, they act as major conduits of organic matter from the shallow productive shelf to the food deprived deep-sea, promoting gradients in food resources and areas of sediment resuspension and deposition. This study focuses on the Baltimore and Norfolk canyons, in the western North Atlantic Ocean, and investigates how different biogeochemical drivers influence canyo...
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#1L. KlunderH-Index: 1
#2Henko de StigterH-Index: 34
Last. Gerard C.A. Duineveld (UU: Utrecht University)H-Index: 9
view all 7 authors...
Seafloor massive sulfide (SMS) deposits are commonly found at hydrothermal vents and recently gained the special interest of mining industries. These deposits contain valuable metals and methods are currently developed to mine deep sea SMS deposits. However, excavation of SMS deposits potentially pose a threat to benthic life at the mining site itself, and also in the surrounding environment with plumes of suspended sediment and fine-grained SMS debris created during deep sea mining activities b...
1 CitationsSource
#1Furu MienisH-Index: 17
Last. Gerard C.A. DuineveldH-Index: 9
view all 4 authors...
#1Ulrike Hanz (UU: Utrecht University)H-Index: 1
#2Claudia Wienberg (University of Bremen)H-Index: 17
Last. Furu Mienis (UU: Utrecht University)H-Index: 17
view all 12 authors...
Abstract. Thriving benthic communities were observed in the oxygen minimum zones along the southwestern African margin. On the Namibian margin, fossil cold-water coral mounds were overgrown by sponges and bryozoans, while the Angolan margin was characterized by cold-water coral mounds covered by a living coral reef. To explore why benthic communities differ in both areas, present-day environmental conditions were assessed, using conductivity–temperature–depth (CTD) transects and bottom landers t...
3 CitationsSource
#1Evert de Froe (UU: Utrecht University)
#2Lorenzo Rovelli (University of Southern Denmark)H-Index: 6
Last. Dick van Oevelen (UU: Utrecht University)H-Index: 26
view all 8 authors...
Cold-water coral (CWC) reefs are distributed globally and form complex three-dimensional structures on the deep seafloor, providing habitat for numerous species. Here, we measured the community O2 and dissolved inorganic nitrogen (DIN) flux of CWC reef habitats with different coral cover and bare sediment (acting as reference site) in the Logachev Mound area (NE Atlantic). Two methodologies were applied: the non-invasive in situ aquatic eddy co-variance (AEC) technique, and ex situ whole box cor...
Source
#1Sabine Haalboom (UU: Utrecht University)
#2David M. Price (University of Southampton)
Last. Gerard C.A. Duineveld (UU: Utrecht University)H-Index: 9
view all 8 authors...
Abstract. Hydrothermal vent fields found at mid-ocean ridges emit hydrothermal fluids which disperse as neutrally buoyant plumes. From these fluids seafloor massive sulfides (SMS) deposits are formed which are being explored as possible new mining sites for (trace) metals and rare earth elements (REE). It has been suggested that during mining activities large amounts of suspended matter will appear in the water column due to excavation processes, and due to discharge of mining waste from the sur...
Source
#1L. Klunder (UU: Utrecht University)H-Index: 1
#2Gerard C.A. Duineveld (UU: Utrecht University)H-Index: 9
Last. Judith van Bleijswijk (UU: Utrecht University)H-Index: 13
view all 6 authors...
Metabarcoding of genetic material in environmental samples has increasingly been employed as a means to assess biodiversity, also of marine benthic communities. Current protocols employed to extract DNA from benthic samples and subsequent bioinformatics pipelines differ considerably. The present study compares three commonly deployed metabarcoding approaches against a morphological approach to assess benthic biodiversity in an intertidal bay in the Dutch Wadden Sea. Environmental DNA was extract...
1 CitationsSource
#1Tom Van Engeland (UU: Utrecht University)H-Index: 1
#2Olav Rune GodøH-Index: 31
Last. Dick van Oevelen (UU: Utrecht University)H-Index: 26
view all 5 authors...
Abstract We investigated food supply mechanisms to a cold-water coral (CWC) reef at 260 m depth on the Norwegian continental shelf using data from a cabled ocean observatory equipped with Acoustic Doppler Current Profilers (ADCPs), an echosounder, and sensors for chlorophyll, turbidity and hydrography in the benthic boundary layer (BBL). Tidal currents of up to tens of cm s−1 dominated BBL hydrodynamics while residual currents were weak (∼10 cm s−1), emphasizing a supply and high retention of lo...
1 CitationsSource
#1Ulrike Hanz (UU: Utrecht University)H-Index: 1
#2Claudia Wienberg (University of Bremen)H-Index: 17
Last. Furu Mienis (UU: Utrecht University)H-Index: 17
view all 12 authors...
Abstract. Fossil cold-water coral mounds overgrown by sponges and bryozoans were observed in anoxic conditions on the Namibian margin, while mounds colonized by thriving cold-water coral reefs were found in hypoxic conditions on the Angolan margin. These low oxygen conditions do not meet known environmental ranges favoring cold-water corals and hence are expected to provide unsuitable habitats for cold-water coral growth and therefore reef formation. To explain why the living fauna can neverthel...
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