cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15468/dl.s5bv2a
title: Occurrence Download

description: A dataset containing 1 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Lepidium didymum",
 "Country is Slovakia",
 "HasCoordinate is true"
 ]
}

 The dataset includes 1 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041713-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.gjvp6m
title: Occurrence Download

description: A dataset containing 3 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Lepidium didymum",
 "Country is Slovenia",
 "HasCoordinate is true"
 ]
}

 The dataset includes 3 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041715-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.x2frwh
title: Occurrence Download

description: A dataset containing 143 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Lepidium didymum",
 "Country is South Africa",
 "HasCoordinate is true"
 ]
}

 The dataset includes 143 records from 8 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041716-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.hpr6tu
title: Occurrence Download

description: A dataset containing 2100 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Ecuador",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Cathartes melambrotus",
 "Year 2023-2025"
 ]
}

 The dataset includes 2100 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0041717-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.1594/pangaea.958691
title: Loss on ignition (LOI) records from the study site Omelchenki, Kharkiv region, Ukraine
DOI: 10.1594/pangaea.958700
title: Macrocharcoals from the study site Omelchenki, Kharkiv region, Ukraine
DOI: 10.1594/pangaea.958721
title: Macroremains from the study site Omelchenki, Kharkiv region, Ukraine
DOI: 10.15468/dl.r6lkwk
title: Occurrence Download

description: A dataset containing 32 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 32 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0033142-191105090559680/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.29mpvq
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0051272-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.lloxno
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Hypsiboas balzani (Boulenger, 1898)",
 "TaxonKey is Hypsiboas raniceps Cope, 1862",
 "TaxonKey is Ameerega hahneli (Boulenger, 1884)",
 "TaxonKey is Rhinella spinulosa (Wiegmann, 1834)",
 "HasGeospatialIssue is FALSE",
 "HasCoordinate is TRUE"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0033277-191105090559680/datasets/export for details.
DOI: 10.15468/dl.kwaryo
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0027736-180131172636756/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.1594/pangaea.958951
title: Magnetobiostratigraphic analyses for the Kueichulin formation at the Da'an river outcrop
DOI: 10.1594/pangaea.959617
title: Ionic impurities in superficial snow sampled in the Antarctic campaign 2019-20 along the East Antarctic International Ice Sheet Traverse (EAIIST) from Dome C to South Pole

description: The data set consists in the ionic composition determined by ion chromatography of the superficial snow sampled in the Antarctic Campaign 2019-20. In the framework of the "East Antarctic International Ice Sheet Traverse" (EAIIST) project, surface snow samples were collected along a traverse from Dome C (75° 06' 01'' S, 123° 20' 48'' E - East Antarctic plateau) toward the geographic South Pole during the 2019-2020 Antarctic campaign. 32 samples were collected using 50 mL tubes by personnel wearing low particulate release clothing, polyethylene gloves to minimize external contamination. The uppermost 6 cm of snow were collected by inserting the tubes into the surface snow of the sampling site upwind and at a sufficient distance from the convoy to reduce the contamination risk. The tubes were kept frozen until the analysis. The cationic (Na⁺, NH₄⁺, K⁺, Mg²⁺, Ca²⁺) and anionic (Cl⁻, NO₃⁻, SO₄²⁻) content was determined by Ion Chromatography. The reproducibility of the measurements is always better than 4% and detection limit are in the range 2-5 ug/l for anions and 0.1-0.6 ug/L for cations. Details on analytical method are reported in the paper Ventisette et al. 2023. The data set is useful to study the spatial distribution of major ions on the inner Antarctic plateau, to understand their deposition and post deposition processes in this area characterized by megadune and wind crust formation (Ventisette et al., 2023). The knowledge and quantification of these processes will allow the interpretation of the ice core stratigraphies in low snow accumulation rate.
DOI: 10.1594/pangaea.959643
title: Biogenic silica of sediment core SAS19-6
DOI: 10.1594/pangaea.959645
title: Geochemical analyses of sediment core SAS19-6
DOI: 10.1594/pangaea.959650
title: Heavy metal concentration of sediment core SAS19-6
DOI: 10.1594/pangaea.959658
title: Visible reflectance spectroscopy of sediment core SSSAS21-3
DOI: 10.1594/pangaea.959673
title: Diatom abundances of sediment core SAS19-6
DOI: 10.1594/pangaea.959584
title: Danian benthic foraminifera abundances of IODP Hole 355-U1457C
DOI: 10.1594/pangaea.959585
title: Danian benthic foraminifera habitat preferences and shell compositions of IODP Hole 355-U1457C
DOI: 10.1594/pangaea.959586
title: Danian benthic foraminifera morphogroups of IODP Hole 355-U1457C
DOI: 10.1594/pangaea.959587
title: Danian benthic foraminifera oxygen groups and shell compositions of IODP Hole 355-U1457C
DOI: 10.1594/pangaea.959588
title: Danian benthic foraminifera Fisher alpha diversity index of IODP Hole 355-U1457C
DOI: 10.1594/pangaea.959827
title: Cell volume of Emiliania huxleyi measured at cross-over points during laboratory experiments

description: On four occasions during the two year incubation of a subantarctic E. huxleyi culture (2015-11-20 to 2017-12-01), from Day 309 onwards, cell size of the cultures was measured at cross-over points, after 7 – 8 generations while still in exponential growth phase. Cells from Now (11°C and pH 8.1) and Future (14°C and pH 7.8) cultures, and also the crossover experiments - Future cells inoculated into Now medium and incubated under Now conditions (Future in Now), and Now cells incubated in Future medium under Future conditions (Now in Future) were fixed in 1 % glutaraldehyde. Subsamples were mounted in a nanoplankton chamber (Phytotech) and measured with a calibrated eye-piece graticule under an Olympus IX70 inverted microscope. As the fixation process caused coccoliths to separate, the cell size measurements were for the cell body only, which allows more accurate determinations of cell volume (Buitenhuis et al., 2008). Cell volume was calculated assuming that the cells were spherical.
description: The study was supported by Coasts and Oceans Centre (Strategic Science Investment Fund of the National Institute of Water and Atmospheric Research).
DOI: 10.1594/pangaea.960067
title: Sherman Island Rapid Access Isotope Drill sample data on depth and age scale: stable water isotopes and major ion concentrations

description: Ice samples were drilled from Sherman Island, coastal West Antarctica, using the British Antarctic Survey Rapid Access Isotope Drill (RAID). The dataset contains the top and bottom depths of each sample with corresponding ages and an uncertainty estimate, and the chemical ion concentrations and stable water isotope composition of each sample.The samples were dated using a combination of annual layer counting, identification of volcanic events, and modelling. The data extend to ~1200 years before present.
description: The K+ and Ca2+ data from the first sample in each drop of the drill have been removed from the dataset (as described in Rowell et al., 2023). Each row corresponds with 1 sample.The samples were drilled within the Sherman Island RAID Drilling Project (January to February 2020), being part of the WACSWAIN (Warm Climate Stability of the West Antarctic in the Last Interglacial) project.
DOI: 10.1594/pangaea.960625
title: Glycogen and glucose content of liver and muscle tissue of juvenile turbot (Scophthalmus maximus) fed with emerging protein sources

description: This study examined the growth response of juvenile turbot (Scophthalmus maximus) to diets with graded fishmeal (FM) replacement with plant, animal, and emerging protein sources (PLANT, PAP, and MIX) in comparison to a commercial-like diet (CTRL). The feeding experiment was carried out from April to July 2019 in the Centre for Aquaculture Research (ZAF) at the Alfred Wegener Institute for Polar and Marine research in Bremerhaven, Germany. The juvenile turbot (Scophthalmus maximus) were purchased from France Turbot (L'Épine, France) and acclimated to the recirculating aquaculture system (RAS) for 2 weeks prior to starting the 16 weeks experimental trial. To elucidate the effects of the protein sources and the level of FM replacement on the nutritional status of the fish, glycogen, free glucose and lipid content of liver and muscle tissue were determined at the end of the experiment (t4). Following the procedure described by Keppler and Decker (1988), glycogen content was determined photometrically after enzymatic hydrolysis of glycogen to glucose. Briefly, filet and liver samples (3 individual fish per tank; 15 fish per diet in total) were grinded under liquid nitrogen, and approx. 200 mg tissue was homogenised in 5×volume of icecold 0.6 M perchloric acid (PCA) (w:v). After one cycle of 20 s at 6000 rpm and 3 °C using Precellys 24 (Bertin Technologies, France), samples were sonicated for 2 min at 0 °C and 360 W (Branson Ultrasonics Sonifier 450; Fisher Scientific, Germany), and homogenates were immediately divided for the analysis of total and free glucose concentrations.
DOI: 10.1594/pangaea.960317
title: Stable isotope signatures of Southern Rock Lobster (Jasus edwardsii) following captive feeding with native prey and the range-extending sea urchin Centrostephanus rodgersii

description: Details of individual southern rock lobster (Jasus edwardsii) samples and their respective delta carbon-13 (δC13) and delta nitrogen-15 (δN15) values from a captive feeding experiment (Smith et al., 2023). Lobsters were collected by divers as puerulus larvae at Iron Pot, Tasmania at 9 m depth and raised in circular flow through tanks at the Institute for Marine and Antarctic Studies, Taroona, Tasmania. Samples include those from dorsal muscle, dorsal carapace, leg muscle and leg exoskeleton. Lobsters were in three diet treatments and were sampled at 0, 4, 8, 12, and 18 months after a diet change. The experiment took place in Hobart, Tasmania, Australia between June 2020 and December 2021. The experiment was used to determine trophic discrimination factors for stable isotope analysis of lobsters, and investigate variability of stable isotope signatures over time. Isotope values were analysed using flash combustion isotope ratio mass spectrometry.
DOI: 10.1594/pangaea.960320
title: Stable isotope signatures of native prey of Southern Rock Lobster (Jasus edwardsii) and the range-extending sea urchin Centrostephanus rodgersii

description: Details of individual prey animal samples and respective delta carbon-13 (dC13) and delta nitrogen-15 (dN15) values from a captive feeding experiment of southern rock lobsters (Jasus edwardsii) (Smith et al., 2023). Prey animal species include: longspined sea urchin (Centrostephanus rodgersii) collected by Scuba diving at Fortescue Bay, and blue mussel (Mytilus galloprovincialis) and Australian sardine (Sardinops saga) purchased from Spring Bay seafoods in Tasmania. The experiment took place in Hobart, Tasmania, Australia between June 2020 and December 2021. The experiment was used to determine trophic discrimination factors for stable isotope analysis of lobsters, and investigate variability of stable isotope signatures over time. Isotope values were analysed using flash combustion isotope ratio mass spectrometry.
DOI: 10.1594/pangaea.960926
title: Database (DSM) of in situ POC and SPM and satellite Rrs (matchup) collected between 2002 and 2018

description: This data release includes in situ measurements collected between 2002 and 2012 during different study sites (Full description of the methods adopted for each measurements in the references). DSM measurements include 101 coincident in situ concentrations of Particulate Organic Carbon (POC) (μgL-1) and Suspended Particulate Matter (SPM) (mg/l) and remote-sensing reflectances (Rrs, sr-1) matchups for the sensor Meris.It addressed the objective:1) Validate the POC/SPM ratio using satellite Rrs (matchup)
description: Further funding:* Centre National d'Etudes Spatiales, Award: CNES/TOSCACE/COYOTE
DOI: 10.1594/pangaea.960365
title: Discrete bulk Spectro Xepos XRF data of Holocene lake sediments from Lake Sidi Ali, Middle Atlas, Morocco

description: The North African desert margin is considered one of the areas most sensitive to future climate changes. Improved knowledge about Holocene climatic variability and environmental responses on millennial to centennial scale will help to refine scenarios related to future climate changes. This data set presents 198 bulk sample-based Spectro Xepos XRF measurements. Bulk samples from the recovered cores were analysed using a Spectro Xepos X-ray fluorescence instrument. For the XRF sample preparation, air-dried bulk material (4 g) was sieved (2 mm). The sample was then homogenised using a Retsch vibrating mill MM 200. Pressed pellets were produced with a Vaneox press at 20 t for 2 min. The measurements were carried out in a He atmosphere.
DOI: 10.15468/dl.lmporo
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0027729-180131172636756/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.1594/pangaea.960368
title: Body length and body weight of juvenile turbot (Scophthalmus maximus) fed with emerging protein sources

description: This study examined the growth response of juvenile turbot (Scophthalmus maximus) to diets with graded fishmeal (FM) replacement with plant, animal, and emerging protein sources (PLANT, PAP, and MIX) in comparison to a commercial-like diet (CTRL). The feeding experiment was carried out from April 2019 to July 2019 in the Centre for Aquaculture Research (ZAF) at the Alfred Wegener Institute for Polar and Marine research in Bremerhaven, Germany. The juvenile turbot (Scophthalmus maximus) were purchased from France Turbot (L'Épine, France) and acclimated to the recirculating aquaculture system (RAS) for 2 weeks prior to starting the 16 weeks experimental trial. To elucidate the effects of the protein sources and the level of FM replacement on the growth performance, in this study, a diet with a balanced mixture and higher level of FM replacement was included. Fish were weighed to 0.2 g precision and measured in length to 0.5 cm precision every 4 weeks.
DOI: 10.1594/pangaea.960374
title: Feed intake of juvenile turbot (Scophthalmus maximus) fed with emerging protein sources

description: This study examined the growth response of juvenile turbot (Scophthalmus maximus) to diets with graded fishmeal (FM) replacement with plant, animal, and emerging protein sources (PLANT, PAP, and MIX) in comparison to a commercial-like diet (CTRL). The feeding experiment was carried out from April 2019 to July 2019 in the Centre for Aquaculture Research (ZAF) at the Alfred Wegener Institute for Polar and Marine research in Bremerhaven, Germany. The juvenile turbot (Scophthalmus maximus) were purchased from France Turbot (L'Épine, France) and acclimated to the recirculating aquaculture system (RAS) for 2 weeks prior to starting the 16 weeks experimental trial. To elucidate the effects of the protein sources and the level of FM replacement on the feed performance, in this study, a diet with a balanced mixture and higher level of FM replacement was included. The fish were fed twice a day (9 am and 2 pm) ad libitum. After the fish were fed in the afternoon (30 min later), the remaining pellets were netted (mesh size 1 mm) from the tanks, dried for 24 h at 50 -°C and weighed. To account for potential weight loss of the non-eaten pellets, duplicates of each experimental diet (2 g each) were incubated at 16 -°C and 100 cycles per minute in 100 mL water which was taken from the experimental recirculation system (30 °% salinity) (Obaldo et al. 2002).
DOI: 10.15468/dl.1sc5vp
title: Occurrence Download

description: A dataset containing 8 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is (Table 1) Proportion of Toxoplasma gondii seropositive arctic foxes (Alopex lagopus) by age group and geographic area"
 ]
}

 The dataset includes 8 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0010555-160623103540712/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.1594/pangaea.960397
title: Age model of the Mossy Grove sediment core
DOI: 10.1594/pangaea.960398
title: Fine fraction (&lt;20 µm) bulk stable isotope data for the Mossy Grove sediment core

description: Sample preparation for carbonate fine-fraction stable-isotope data: A total of 444 bulk sediment samples, taken at ~30 cm spacing from the Mossy Grove Core (MGC), were processed at the University of Birmingham. The sediment was sieved over a 20 µm stainless steel mesh, with the fine fraction passing through the sieve captured on ultra-fine-grade filter paper and air dried. The sediment residue (&gt;20 µm) was then transferred to 50 ml centrifuge tubes and organic matter within this fine fraction removed by overnight reaction with 5% sodium hypochlorite (NaClO) solution. The sample was then spun down at 4,500 rpm (6,800 × g) and the supernatant discarded. The sample was then washed 2-3 times with de-ionized water – each wash consisting of resuspension, agitation and then centrifuging and discarding of the solution as above - until a neutral pH was established. Samples were then weighed to provide sufficient sample mass for sample analysis.The stable carbon (δ13C) and oxygen (δ18O) isotope analysis of 444 fine-fraction sediment samples prepared at the University of Birmingham were performed at the British Geological Survey, Keyworth, UK on a dual inlet, gas source, isotope ratio mass spectrometer. The carbonate analysis method involves reacting the carbonate sample with anhydrous phosphoric acid to liberate CO2. All data are reported against Vienna Pee Dee Belemnite standard (VPDB). Calibration of the in-house standard with NBS-19 shows the analytical precision is &lt; ±0.01‰ for both isotope ratios.
DOI: 10.1594/pangaea.960399
title: Benthic foraminifera stable isotope data for the Mossy Grove sediment core

description: Sample preparation for benthic foraminiferal stable-isotope analyses: Sediment amples were prepared and analyzed at Kochi University. Samples were washed through a 63 μm screen with Calgon in tapwater, and the residue was dried at 50 °C. Specimens of U. jacksonensis were picked from the &gt;150 µm fraction of the residues, and were found to be present in 38 sediment samples. The specimens are well-preserved appearing transparent to translucent in color under the light microscope (Figure S2). Using a Keyence VHX-2000 digital microscope and a JEOL JSM-6500F scanning electron microscope, the preservation of examined specimens was assessed. The light microscopic image is focus stacking. To extend this record down core, a further five samples were prepared at the University of Birmingham. These samples were dried in a low-temperature oven at 40°C for approximately one week in order to obtain a dry bulk sediment weight and then washed over a 63 µm sieve with de-ionised water. The coarse fraction (&gt;63 µm) was dried in the oven and then dry sieved at 250-300 µm and individuals of the infaunal benthic foraminifera genus Uvigerina picked (wherever possible U. jacksonensis was selected). Any sample with more than two individuals was analyzed for stable isotopes (&gt;10 µg).The stable carbon (δ13C) and oxygen (δ18O) isotope analysis of five benthic foraminiferal samples prepared at the University of Birmingham were performed at the British Geological Survey, Keyworth, UK on a dual inlet, gas source, isotope ratio mass spectrometer. The carbonate analysis method involves reacting the carbonate sample with anhydrous phosphoric acid to liberate CO2. All data are reported against Vienna Pee Dee Belemnite standard (VPDB). Calibration of the in-house standard with NBS-19 shows the analytical precision is &lt; ±0.01‰ for both isotope ratios. For the 38 benthic foraminifera samples prepared at Kochi University, we used a Finnigan MAT253 mass-spectrometer system with a Kiel III carbonate device in the Center for Advanced Marine Core Research/Kochi Core Center (CMCR/KCC), Kochi University. Between 2–7 individuals were measured in each sample and were cleaned at least three times, using milli-Q and methanol in a sonic bath. NBS-19 and ANU-m2 were used as stable isotopes standards. The precisions of the measurements (1σ) were 0.18‰ and 0.08‰ for δ13C and δ18O respectively, calculated using 24 repeat measurements of the standard.