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  • PANGAEA  (34,040)
  • Wiley-Blackwell
  • 2020-2024  (34,049)
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Keywords
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Years
Year
  • 1
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    Seawater carbonate chemistry and growth and carbon fixation of Antarctic cryptophyte (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: We conducted a multiple-stressor experiment to evaluate the response of the still poorly studied key Antarctic cryptophyte species Geminigera cryophila (CCMP 2564, isolated from the Southern Ocean and obtained from Matt Johnson's Laboratory of Protistan Ecology at the Woods Hole Oceanography Institute, United States) to warming in combination with ocean acidification and high irradiance. Based on the thermal growth response of G. cryophila, we grew the cryptophyte at suboptimal (2°C) and optimal (4°C) temperatures in combination with two light intensities (medium light: 100 μmol photons/m**2/s and high light [HL]: 500 μmol photons/m**2/s) under ambient (400 μatm pCO2) and high pCO2 (1000 μatm pCO2) conditions.
    Keywords: Alkalinity, total; Alkalinity, total, standard deviation; Aragonite saturation state; Bicarbonate ion; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (〈20 L); Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbon, organic, particulate, per cell; Carbon, organic, particulate, standard deviation; Carbon/Nitrogen ratio; Carbon/Nitrogen ratio, standard deviation; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Carbon nitrogen elemental analyzer, EURO EA-CN Elemental Analyzer, HEKAtech GmbH; Chlorophyll a, standard deviation; Chlorophyll a per cell; Chlorophyll c2, standard deviation; Chlorophyll c2 per cell; Chromista; Cryptophyta; Electron transport rate, absolute; Electron transport rate, absolute, standard deviation; Fast Repetition Rate fluorometer (FRRF), FastOcean PTX; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Functional photosystem II reaction centers, per cell; Functional photosystem II reaction centers, standard deviation; Geminigera cryophila; Growth/Morphology; Growth rate; Growth rate, standard deviation; Irradiance; Laboratory experiment; Laboratory strains; Light; Maximum photochemical quantum yield of photosystem II; Maximum photochemical quantum yield of photosystem II, standard deviation; Not applicable; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Particulate organic carbon, production, standard deviation; Particulate organic carbon production per cell; Pelagos; pH; pH, standard deviation; Phosphate; Phytoplankton; Potentiometric; Potentiometric titration; Primary production/Photosynthesis; Re-oxidation time of the Qa acceptor; Re-oxidation time of the Qa acceptor, standard deviation; Reverse phase high performance liquid chromatography (HPLC), VWR-Hitachi International GmbH; Salinity; Silicate; Single species; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Temperature; Temperature, water; Time in weeks; Treatment: light intensity; Treatment: partial pressure of carbon dioxide; Treatment: temperature; Type of study
    Type: Dataset
    Format: text/tab-separated-values, 3288 data points
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    DATA PANGAEA
  • 2
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    Physical oceanography during Alkor cruise AL540 (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: This data set comprises raw CTD data collected during the RV ALKOR cruise AL540 cruise conducted in July 2020 (July 21st to July 31st 2020) in the Western Baltic Sea by the University of Hamburg. The cruise was part of the 5-year MARSYS teaching cruise program of the University of Hamburg GFP20-1_047. The cruises are designed to train students in sampling methods targeting the different compartments of a marine ecosystem.
    Keywords: AL540; AL540_10-1; AL540_1-1; AL540_11-2; AL540_12-1; AL540_13-1; AL540_14-2; AL540_15-1; AL540_16-1; AL540_17-2; AL540_18-1; AL540_19-2; AL540_20-1; AL540_21-2; AL540_2-2; AL540_22-1; AL540_23-2; AL540_24-1; AL540_25-2; AL540_26-1; AL540_27-1; AL540_28-2; AL540_29-1; AL540_30-2; AL540_3-1; AL540_31-1; AL540_32-1; AL540_34-2; AL540_35-1; AL540_36-2; AL540_37-1; AL540_38-1; AL540_39-1; AL540_40-1; AL540_40-2; AL540_42-2; AL540_43-1; AL540_5-2; AL540_6-1; AL540_7-5; AL540_8-1; AL540_9-2; Alkor (1990); Baltic Sea; Chlorophyll a; Conductivity; Cruise/expedition; CTD/Rosette; CTD-RO; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Event label; Field measurements; GPF 19-2_026; LATITUDE; LONGITUDE; MSN; Multiparameter probe (CTD), Sea & Sun Technology, CTD90M [Series II]; coupled with Fluorometer, Turner Designs, Cyclops-7 [for Chlorphyll a]; coupled with Oxygen sensor, AMT Analysenmesstechnik GmbH; Multiple opening/closing net; Oxygen, dissolved; Oxygen saturation; pH; Pressure, water; RV ALKOR; Salinity; Station label; summer; Teaching cruise; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 380523 data points
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    DATA PANGAEA
  • 3
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    Fish length data during Alkor cruise AL539 (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: This data set comprises all fish length data data collected during the RV ALKOR cruise AL539 cruise conducted in July 2020 (July 5th to July 18th 2020) in the Western Baltic Sea by the University of Hamburg. The cruise was part of the 5-year MARSYS teaching cruise program of the University of Hamburg GFP20-1_047. The fish length data were collected directly on board.
    Keywords: AL539; AL539_16-1; AL539_17-1; AL539_18-2; AL539_19-2; AL539_20-2; AL539_21-2; AL539_22-2; AL539_2-3; AL539_23-2; AL539_24-2; AL539_25-2; AL539_26-2; AL539_4-3; AL539_73-2; AL539_74-2; AL539_75-2; AL539_76-2; AL539_77-2; AL539_78-2; Alkor (1990); Baltic Sea; Cruise/expedition; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Event label; Field measurements; fish; Fish measuring board; Gadus morhua; LATITUDE; Length; Life stage; Location; LONGITUDE; Number of individuals; RV ALKOR; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Station label; summer; Teaching cruise; TRAWL; Trawl net
    Type: Dataset
    Format: text/tab-separated-values, 2997 data points
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    DATA PANGAEA
  • 4
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    Seawater carbonate chemistry and lipid dynamics of Arctic pteropods (Limacina spp., Thecosomata) (2022)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: Ocean warming and acidification will be most pronounced in the Arctic. Both phenomena severely threaten thecosome pteropods (holoplanktonic marine gastropods) by reducing their survival (warming) and causing the dissolution of their aragonitic shell (acidification). Lipids, particularly phospholipids, play a major role in veligers and juveniles of the polar thecosome pteropod Limacina helicina comprising more than two-thirds of their total lipids. Membrane lipids (phospholipids) are important for the temperature acclimation of ectotherms. Hence, we experimentally investigated ocean warming and acidification effects on total lipids, lipid classes, and fatty acids of Arctic early-stage L. helicina. The temperature and pCO2 treatments chosen resembled Representative Concentration Pathway model scenarios for this century. We found a massive decrease in total lipids at elevated temperatures and at the highest CO2 concentration (1,100 μatm) of the in situ temperature. Clearly, temperature was the overriding factor. Total lipids were reduced by 47%–70%, mainly caused by a reduction of phospholipids by up to 60%. Further, based on pHT development in the incubation water of pteropods during the experiment, some evidence exists for metabolic downregulation in pteropods at high factor levels of temperature and pCO2. Consequently, the cell differentiation and energy balance of early-stage larvae were probably severely compromised. Comparison of our experimental with 'wild' organisms suggests phospholipid reduction to values clearly outside natural variability. Based on the well-known significance of phospholipids for membranogenesis, early development, and reproduction, negative warming effects on such a basal metabolic function may be a much more immediate threat for pteropods than so far anticipated shell dissolution effects due to acidification.
    Keywords: Alkalinity, total; Animalia; Aragonite saturation state; Arctic; Bicarbonate ion; Bottles or small containers/Aquaria (〈20 L); Calcite saturation state; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cardiolipin; Fatty acid of total lipids; Fatty acids, free; Fatty alcohol of total lipids; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Kongsfjorden_2013; Laboratory experiment; Limacina helicina; Lipids, total per individuum; Mollusca; Monounsaturated fatty acids of total fatty acids; OA-ICC; Ocean Acidification International Coordination Centre; Open ocean; Other studied parameter or process; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; Phosphatidylcholine; Phosphatidylethanolamine; Phosphatidylinositol; Phosphatidylserine; Phospholipids; PLA; Plankton net; Polar; Polyunsaturated fatty acids of total fatty acids; Potentiometric; Potentiometric titration; Replicate; Salinity; Sample code/label; Saturated fatty acids of total fatty acid groups; Silicate; Single species; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Sterols; Temperature; Temperature, water; Treatment; Treatment: partial pressure of carbon dioxide; Treatment: temperature; Triacylglycerols; Type; Wax esters; Zooplankton
    Type: Dataset
    Format: text/tab-separated-values, 2808 data points
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  • 5
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    Master track of POLARSTERN cruise PS140 in 1 sec resolution (zipped, 238 MB) (2024)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-05-22
    Description: Raw data acquired by position sensors on board RV Polarstern during expedition PS140 was processed to receive a validated master track which can be used as reference of further expedition data. During PS140 two Trimble Marine R750 GPS receivers and the iXBlue HYDRINS hydrographic survey inertial navigation system were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.awi.de) with a resolution of 1 sec. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: 1 sec resolution; CT; EASI-2; Polarstern; PS140; PS140-track; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 237.7 MBytes
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  • 6
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    Body measurements of Gadus morhua during Alkor cruise AL539 (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: This data set includes single fish cod data collected during the RV ALKOR cruise AL539 cruise conducted in July 2020 (July 5th to July 18th 2020) in the Western Baltic Sea by the University of Hamburg. The cruise was part of the 5-year MARSYS teaching cruise program of the University of Hamburg GFP20-1_047. All single fish measurements were made directly on board. Full wet weights of cod were measured and subsequently cod were gutted and liver weights, gonad weights and sexes, gutted wet weights (i.e., gutted wet mass), gonad stages and liver nematode infestations were recorded, and Otoliths were taken.
    Keywords: AL539; AL539_17-1; AL539_18-2; AL539_20-2; AL539_21-2; AL539_22-2; AL539_23-2; AL539_24-3; AL539_25-2; AL539_26-2; AL539_73-2; AL539_74-2; AL539_75-2; AL539_76-2; AL539_77-2; Alkor (1990); Baltic Sea; Cruise/expedition; DATE/TIME; DEPTH, water; Determination of gonadal maturity of Baltic cod according to Tomkiewicz et al. (2002); Event label; Field measurements; fish; Fish measuring board; Gadus morhua; Gadus morhua, gonad, wet mass; Gadus morhua, gonadal stage; Gadus morhua, gutted wet mass; Gadus morhua, liver, wet mass; Gadus morhua, parasitic nematodes in liver; Gadus morhua, sex; Gadus morhua, total length; Gadus morhua, wet mass; Haul; Individual ID; LATITUDE; LONGITUDE; Marine scale, Marel, M2200; RV ALKOR; Station label; summer; Teaching cruise; TRAWL; Trawl net
    Type: Dataset
    Format: text/tab-separated-values, 17808 data points
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  • 7
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    Seawater carbonate chemistry and coccolithophores and diatoms resilient to oceanalkalinity enhancement (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: Here, we investigatethe impacts of moderate (~700 μmol/kg) and high (~2700 μmol/kg) limestone-inspired alkalinity additionson two biogeochemically and ecologically important phytoplankton functional group representatives: Emilianiahuxleyi (calcium carbonate producer) and Chaetoceros sp. (silica producer). The growth rate and elemental ratiosof both taxa were estimated.
    Keywords: Alkalinity, total; Ammonia; Aragonite saturation state; Area; Bacillariophyta; Bicarbonate ion; Biogenic silica; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (〈20 L); Calcification/Dissolution; Calcite saturation state; Calcium, dissolved; Calcium, particulate; Calcium chloride dihydrate; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, particulate, per cell; Carbon, organic, particulate; Carbon, organic, particulate, per cell; Carbon, organic, particulate mass; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cell density; Chaetoceros sp.; Chromista; Dry air column-averaged mole fraction of carbon dioxide; Emiliania huxleyi; Experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Haptophyta; Laboratory experiment; Laboratory strains; Mass; Maximum quantum yield of photosystem II; Nitrate and Nitrite; Nitrogen, inorganic, dissolved; Nitrogen, organic, particulate; Nitrogen, organic, particulate mass; Not applicable; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Particulate inorganic carbon/particulate organic carbon ratio; Pelagos; pH; pH, standard deviation; Phosphate; Phytoplankton; Potentiometric titration; Primary production/Photosynthesis; Revelle factor; Salinity; Sample code/label; Sampling date; Silicate; Single species; Sodium carbonate; Species; Spectrophotometric; Strain; Temperature, water; Temperature, water, standard deviation; Treatment; Type of study
    Type: Dataset
    Format: text/tab-separated-values, 9880 data points
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  • 8
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    Inorganic carbon outwelling from mangroves and saltmarshes drives coastal acidification (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-22
    Description: Concentrations of alkalinity (TA) and dissolved inorganic carbon (DIC) in porewater as well as in surface water measured during timeseries (fixed location) and spatial surveys (fixed time period) were compiled from 38 mangrove- and 8 saltmarsh-dominated creeks and estuaries. We used data from creeks that were predominantly surrounded by mangrove or saltmarsh vegetation and with minimal confounding factors such as mixed vegetation or large catchments. These creeks were located in either pristine or anthropologically impacted estuaries or coastal areas. Anthropologically impacted areas were defined as areas that were affected by nearby urban or agricultural activities, potentially delivering pollutants, e.g., sewage or fertilizers, to creeks. We also included pristine mangrove- and saltmarsh dominated estuaries. When available, environmental parameters were also recorded, i.e., season, salinity, temperature, pH, dissolved oxygen (DO), water level, porewater tracer radon (222Rn), partial pressure of carbon dioxide (pCO2), dissolved organic carbon (DOC), particulate organic carbon (POC), nitrate and nitrite (NOx), ammonium (NH4), total nitrogen (TN), phosphate (PO4), and total phosphorus (TP). Methods used to determine parameters are explained in each corresponding reference.
    Keywords: According to source references; Alkalinity; Alkalinity, total; Alkalinity, total/Carbon, inorganic, dissolved ratio; Ammonium; Australia; Australia_M29; Australia_M30; Australia_M31; Australia_M32; Australia_M33; Australia_M34; Australia_M35; Australia_M36; Australia_M37; Australia_M38; blue carbon; Boron hydroxide; Brazil; Brazil_M18; Brazil_M19; Brazil_M20; Brazil_M21; CA_USA_S02; Carbon, inorganic, dissolved; Carbon, organic, dissolved; Carbon, organic, particulate; Carbon dioxide, partial pressure; China; China_M03; China_S06; China_S07; China_S08; Condition; Country; DATE/TIME; Date/Time local; Dissolved inorganic carbon; Ecosystem; Ecuador; Ecuador_M22; Event label; French_Guiana_M17; French Guiana; GA_USA_S04; Identification; India; India_M04; India_M05; India_M06; India_M07; India_M08; India_M09; Japan; Japan_M02; Kenya; Kenya_M23; Kenya_M24; LATITUDE; LONGITUDE; MA_USA_S01; Madagascar; Madagascar_M28; mangroves; Nitrogen, total; Nitrogen oxide; Oxygen, dissolved; Palau; Palau_M15; Palau_M16; Papua_New_Guinea_M25; Papua New Guinea; pH; Philippines; Philippines_M10; Phosphate; Phosphorus, total; Radon-222; Reference/source; Salinity; saltmarshes; Sample type; SC_USA_S03; Season; Site; Spain; Spain_S05; Tanzania; Tanzania_M26; Tanzania_M27; Temperature, water; Thailand; Thailand_M14; USA; USA_M01; Vietnam; Vietnam_M11; Vietnam_M12; Vietnam_M13; Water level; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 67107 data points
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  • 9
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    Basic and other measurements of radiation at Concordia Station (2019-10) (2020)
    PANGAEA
    In:  Institute of Atmospheric Sciences and Climate of the Italian National Research Council, Bologna
    Details
    Publication Date: 2024-05-22
    Keywords: Antarctica; Baseline Surface Radiation Network; BSRN; Concordia Station, Dome C; DATE/TIME; Diffuse radiation; Diffuse radiation, maximum; Diffuse radiation, minimum; Diffuse radiation, standard deviation; Direct radiation; Direct radiation, maximum; Direct radiation, minimum; Direct radiation, standard deviation; DOM; HEIGHT above ground; Long-wave downward radiation; Long-wave downward radiation, maximum; Long-wave downward radiation, minimum; Long-wave downward radiation, standard deviation; Long-wave upward radiation; Long-wave upward radiation, maximum; Long-wave upward radiation, minimum; Long-wave upward radiation, standard deviation; Monitoring station; MONS; Pyranometer, Kipp & Zonen, CM22, SN 050109, WRMC No. 74006; Pyranometer, Kipp & Zonen, CM22, SN 050110, WRMC No. 74001; Pyranometer, Kipp & Zonen, CM22, SN 050111, WRMC No. 74007; Pyrgeometer, Kipp & Zonen, CG4, SN 050366, WRMC No. 74011; Pyrgeometer, Kipp & Zonen, CG4, SN 050768, WRMC No. 74003; Pyrheliometer, Kipp & Zonen, CH1, SN 050392, WRMC No. 74004; Short-wave downward (GLOBAL) radiation; Short-wave downward (GLOBAL) radiation, maximum; Short-wave downward (GLOBAL) radiation, minimum; Short-wave downward (GLOBAL) radiation, standard deviation; Short-wave upward (REFLEX) radiation; Short-wave upward (REFLEX) radiation, maximum; Short-wave upward (REFLEX) radiation, minimum; Short-wave upward (REFLEX) radiation, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 1023320 data points
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  • 10
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    Basic and other measurements of radiation at Concordia Station (2019-12) (2020)
    PANGAEA
    In:  Institute of Atmospheric Sciences and Climate of the Italian National Research Council, Bologna
    Details
    Publication Date: 2024-05-22
    Keywords: Antarctica; Baseline Surface Radiation Network; BSRN; Concordia Station, Dome C; DATE/TIME; Diffuse radiation; Diffuse radiation, maximum; Diffuse radiation, minimum; Diffuse radiation, standard deviation; Direct radiation; Direct radiation, maximum; Direct radiation, minimum; Direct radiation, standard deviation; DOM; HEIGHT above ground; Long-wave downward radiation; Long-wave downward radiation, maximum; Long-wave downward radiation, minimum; Long-wave downward radiation, standard deviation; Long-wave upward radiation; Long-wave upward radiation, maximum; Long-wave upward radiation, minimum; Long-wave upward radiation, standard deviation; Monitoring station; MONS; Pyranometer, Kipp & Zonen, CM22, SN 050109, WRMC No. 74006; Pyranometer, Kipp & Zonen, CM22, SN 050110, WRMC No. 74001; Pyranometer, Kipp & Zonen, CM22, SN 050111, WRMC No. 74007; Pyrgeometer, Kipp & Zonen, CG4, SN 050366, WRMC No. 74011; Pyrgeometer, Kipp & Zonen, CG4, SN 050768, WRMC No. 74003; Pyrheliometer, Kipp & Zonen, CH1, SN 050392, WRMC No. 74004; Short-wave downward (GLOBAL) radiation; Short-wave downward (GLOBAL) radiation, maximum; Short-wave downward (GLOBAL) radiation, minimum; Short-wave downward (GLOBAL) radiation, standard deviation; Short-wave upward (REFLEX) radiation; Short-wave upward (REFLEX) radiation, maximum; Short-wave upward (REFLEX) radiation, minimum; Short-wave upward (REFLEX) radiation, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 1035144 data points
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