cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15468/dl.4tae4h
title: Occurrence Download

description: A dataset containing 22 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "Country is Mexico",
 "TaxonKey is Lampropeltis leonis",
 "Year 1960-2026"
 ]
}

 The dataset includes 22 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003158-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5441/001/1.558kn337
title: Data from: Study "Long-tailed Jaeger - GLS - Canadian Arctic"

description: Long-distance migratory seabirds need to adjust their migration strategy according to internal (breeding, molting) and external factors (seasonality, resource availability). Time-minimizing strategies are common during spring migration to arrive at the optimal time to breed. We studied the annual movements and migration strategy of the long-tailed jaeger Stercorarius longicaudus, a small arctic-nesting seabird. First, we documented year-round movements (routes, wintering sites) of male and female jaegers breeding in the Canadian Arctic. We then compared their migration strategies between seasons (phenology, stopover use, travel distance, speed) to determine whether they adopt a time-minimizing strategy in spring. Over 6 yr, we collected 43 tracks from geolocators deployed on Bylot and Igloolik Islands. Jaegers departed the breeding site over a 5 wk period and traveled on average 32375 km (round trip) before returning to breed, one of the longest documented migrations on Earth. Birds used a major stopover area east of the Grand Banks of Newfoundland in spring and fall, and wintered in high marine productivity areas of the South Atlantic. Unexpectedly, the spring migration was 40% longer and 32% slower than in fall, and birds increased their time spent on water (foraging and/or resting) by 61%. A time-minimizing strategy in fall may help to reach the wintering site rapidly and start molting early. In spring, a fly-and-forage strategy seems to be adopted to increase foraging effort, probably for the accumulation of body reserves before breeding and in anticipation of unfavorable conditions that may prevail at arrival on their arctic breeding site.
DOI: 10.5441/001/1.618
title: Data from: Study "Rhinoceros Auklet North American Pacific Coast (GLS)"

description: Models of migratory behavior predict trade-offs between fitness costs and benefits with respect to migration distance. Shorter migration distances may confer a fitness benefit by facilitating earlier breeding, however this is rarely investigated. We tested this hypothesis using a large-scale geolocation (GLS) dataset from 109 rhinoceros auklets (Cerorhinca monocerata), a differentially migrating seabird, that was tagged at 12 breeding colonies along the Pacific Coast of North America, spanning southern California to the eastern Aleutian Islands, Alaska. Using GLS-based position estimates, we determined the geographic centroid of the pelagic areas occupied by birds in winter (1 January–28 February) and then calculated the distance between their wintering centroids and colony of origin. We then used GLS light-intensity and salt-water immersion (wet/dry) data to determine each individual's date of egg-laying the following spring. Rhinoceros auklets were very widely distributed across the northeastern Pacific Ocean in winter. Among all individuals, the distance between winter centroids and breeding colonies ranged from &lt; 100 to &gt;2500km, being greater among individuals originating from colonies at higher latitudes. As predicted, migration distance and colony latitude were positively related to lay date: after accounting for colony-level differences in phenology, individuals that migrated shorter distances tended to lay their eggs earlier, a pattern that emerged across all populations. Our study links the migration distance of rhinoceros auklets to a fitness-related outcome, underscoring the selective pressure that migration exerts on subsequent breeding activity.
DOI: 10.6084/m9.figshare.30968388
title: Improved measurement methods of mixed liquor suspended solids from aerobic granular sludge

description: Total and volatile mixed liquor suspended solids concentrations (MLSS and MLVSS) are key parameters in activated sludge (AS) process design, monitoring, and modelling. Yet for the emerging AS version of aerobic granular sludge (AGS), representative sampling and pipetting of the granular mixed liquors are challenging, leading to uncertainties when measuring the suspended solids by standard methods. In this study, new MLSS methods based on correct sampling principles were developed and evaluated to determine the suspended solids (SS) of AGS reactors. Method-1 used as a reference consisted of sacrificing the whole mixed liquor (ML) of each reactor as an exhaustive sample that was all ground to determine the total solids (TS) of the slurry; this allowed for accurate estimates of the MLSS and its volatile fractions (ivt<sub>bio</sub>), which, in turn, led to the MLVSS. In parallel, Methods-2 and -4 were tested, both based on small homogeneous subsamples of ML, which were ground or drained before measuring the total solids of the slurry or of the drained granule paste. Compared to the reference, these latter methods allowed the MLSS and ivt<sub>bio</sub> of AGS with large granules to be determined with much greater accuracy than the current standard Method-3 (direct SS measurement). The study's good sampling practices are readily applicable to laboratory reactors and would henceforth improve solids measurement in AGS research. At large plants, the developed procedures of subsampling, granule grinding or draining, and MLSS calculation formulas would reduce sampling errors and enhance process monitoring.
DOI: 10.6084/m9.figshare.30968388.v1
title: Improved measurement methods of mixed liquor suspended solids from aerobic granular sludge

description: Total and volatile mixed liquor suspended solids concentrations (MLSS and MLVSS) are key parameters in activated sludge (AS) process design, monitoring, and modelling. Yet for the emerging AS version of aerobic granular sludge (AGS), representative sampling and pipetting of the granular mixed liquors are challenging, leading to uncertainties when measuring the suspended solids by standard methods. In this study, new MLSS methods based on correct sampling principles were developed and evaluated to determine the suspended solids (SS) of AGS reactors. Method-1 used as a reference consisted of sacrificing the whole mixed liquor (ML) of each reactor as an exhaustive sample that was all ground to determine the total solids (TS) of the slurry; this allowed for accurate estimates of the MLSS and its volatile fractions (ivt<sub>bio</sub>), which, in turn, led to the MLVSS. In parallel, Methods-2 and -4 were tested, both based on small homogeneous subsamples of ML, which were ground or drained before measuring the total solids of the slurry or of the drained granule paste. Compared to the reference, these latter methods allowed the MLSS and ivt<sub>bio</sub> of AGS with large granules to be determined with much greater accuracy than the current standard Method-3 (direct SS measurement). The study's good sampling practices are readily applicable to laboratory reactors and would henceforth improve solids measurement in AGS research. At large plants, the developed procedures of subsampling, granule grinding or draining, and MLSS calculation formulas would reduce sampling errors and enhance process monitoring.
DOI: 10.6084/m9.figshare.31033863
title: Sustainable anaerobic co-digestion of swine manure and animal by-products: unravelling biogas production, microbial dynamics, and nutrient-rich digestate potential

description: This study investigates the anaerobic co-digestion of swine manure and animal by-products to enhance biogas production and nutrient-rich digestate, compared with mono-digestion of swine manure. The co-digestion performance was assessed in different reactor configurations at different mixing ratios. Swine manure and carcasses were collected and pre-treated, then submitted to tests to determine biogas production potential. The co-digestion performance was assessed in different reactor configurations (CLB and CSTR) changing carcasses/manure ratios. Results demonstrated that co-digestion improved gas productivity. In the CSTR, biogas productivity increased from 0.41–1.63 L<sub>Nbiogas</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>, while methane productivity increased from 0.24–1.03 L<sub>NCH4</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>. In the CLB, biogas productivity rose from 0.19–0.61 L<sub>Nbiogas</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>, with methane productivity increasing from 0.12–0.38 L<sub>NCH4</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>. Stability was maintained throughout the experiment, with a notable rise in total ammonia nitrogen (TAN) and a stable pH due to effective buffering capacity. In the CSTR, TAN reached 3.8 gN·L⁻<sup>1</sup> with free ammonia concentrations of approximately 500 mgN·L⁻<sup>1</sup>, while in the CLB TAN stabilised at 2.5g N·L⁻<sup>1</sup> with free ammonia consistently below 50 mgN·L⁻<sup>1</sup>. Microbial analysis revealed differences between mono-digestion and co-digestion. Co-digestion favoured a diverse community, which significantly contributed to biogas production. Co-digestion also resulted in higher nitrogen and phosphorus concentrations in the digestate compared with mono-digestion, due to the nutrient content of the added carcass material. The study confirms that co-digestion not only enhances biogas production but also produces nutrient-rich digestate, making it a viable and environmentally friendly waste management solution.
DOI: 10.6084/m9.figshare.31033863.v1
title: Sustainable anaerobic co-digestion of swine manure and animal by-products: unravelling biogas production, microbial dynamics, and nutrient-rich digestate potential

description: This study investigates the anaerobic co-digestion of swine manure and animal by-products to enhance biogas production and nutrient-rich digestate, compared with mono-digestion of swine manure. The co-digestion performance was assessed in different reactor configurations at different mixing ratios. Swine manure and carcasses were collected and pre-treated, then submitted to tests to determine biogas production potential. The co-digestion performance was assessed in different reactor configurations (CLB and CSTR) changing carcasses/manure ratios. Results demonstrated that co-digestion improved gas productivity. In the CSTR, biogas productivity increased from 0.41–1.63 L<sub>Nbiogas</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>, while methane productivity increased from 0.24–1.03 L<sub>NCH4</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>. In the CLB, biogas productivity rose from 0.19–0.61 L<sub>Nbiogas</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>, with methane productivity increasing from 0.12–0.38 L<sub>NCH4</sub> L<sub>reactor</sub><sup>−1</sup> d<sup>−1</sup>. Stability was maintained throughout the experiment, with a notable rise in total ammonia nitrogen (TAN) and a stable pH due to effective buffering capacity. In the CSTR, TAN reached 3.8 gN·L⁻<sup>1</sup> with free ammonia concentrations of approximately 500 mgN·L⁻<sup>1</sup>, while in the CLB TAN stabilised at 2.5g N·L⁻<sup>1</sup> with free ammonia consistently below 50 mgN·L⁻<sup>1</sup>. Microbial analysis revealed differences between mono-digestion and co-digestion. Co-digestion favoured a diverse community, which significantly contributed to biogas production. Co-digestion also resulted in higher nitrogen and phosphorus concentrations in the digestate compared with mono-digestion, due to the nutrient content of the added carcass material. The study confirms that co-digestion not only enhances biogas production but also produces nutrient-rich digestate, making it a viable and environmentally friendly waste management solution.
DOI: 10.15468/dl.rdqsmu
title: Occurrence Download

description: A dataset containing 22 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "Country is Mexico",
 "TaxonKey is Lampropeltis mexicana",
 "Year 1960-2026"
 ]
}

 The dataset includes 22 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003159-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.cn6j36
title: Occurrence Download

description: A dataset containing 670328 records in GBIF matching the query:

 SELECT gbifid, datasetkey, specieskey, kingdom, phylum, class, "order", family, genus, species, scientificname, decimallatitude, decimallongitude, eventdate, institutioncode, "year" AS obs_year, basisofrecord, coordinateuncertaintyinmeters, issue
 FROM occurrence
 WHERE
 decimallatitude IS NOT NULL
 AND decimallongitude IS NOT NULL
 AND NOT ARRAY_CONTAINS(issue, 'ZERO_COORDINATE')
 AND NOT ARRAY_CONTAINS(issue, 'COORDINATE_OUT_OF_RANGE')
 AND NOT ARRAY_CONTAINS(issue, 'COORDINATE_INVALID')
 AND NOT ARRAY_CONTAINS(issue, 'COUNTRY_COORDINATE_MISMATCH')
 AND "year" &gt;= 2015
 AND "year" &lt;= 2026
 AND coordinateuncertaintyinmeters IS NOT NULL
 AND coordinateuncertaintyinmeters &gt; 0
 AND coordinateuncertaintyinmeters &lt;= 200.0
 AND decimallatitude &gt;= 46.479780028101516
 AND decimallatitude &lt;= 51.21395264452012
 AND decimallongitude &gt;= 18.883194275388625
 AND decimallongitude &lt;= 26.725752065563757
 AND GBIF_Within('POLYGON ((26.725752 46.479780, 26.725752 51.213953, 18.883194 51.213953, 18.883194 46.479780, 26.725752 46.479780))', decimallatitude, decimallongitude) = TRUE
 

 The dataset's 670328 records were derived from 104 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003147-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.6k9d8y
title: Occurrence Download

description: A dataset containing 11 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "Country is Mexico",
 "TaxonKey is Lampropeltis alterna",
 "Year 1960-2026"
 ]
}

 The dataset includes 11 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003160-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.2taxj6
title: Occurrence Download

description: A dataset containing 2 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-90.7571 36.20187,-82.89559 36.07214,-83.02532 38.19968,-84.5561 39.2375,-90.7571 36.20187))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Drosera rotundifolia"
 ]
}

 The dataset includes 2 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003161-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.pxmdrc
title: Occurrence Download

description: A dataset containing 383160 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Mammalia",
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "Year is greater than or equal to 2018",
 "Year is less than or equal to 2020",
 {
 "not" : {
 "BasisOfRecord" : [
 "is one of (Fossil, Living Specimen)"
 ]
 }
 },
 "Country is United Kingdom of Great Britain and Northern Ireland",
 {
 "or" : [
 {
 "not" : {
 "EstablishmentMeans" : [
 "is one of (MANAGED, INTRODUCED)"
 ]
 }
 },
 "EstablishmentMeans is null"
 ]
 },
 {
 "or" : [
 "CoordinateUncertaintyInMeters is less than 1000",
 "CoordinateUncertaintyInMeters is null"
 ]
 }
 ]
}

 The dataset includes 383160 records from 109 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003123-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.zsd4rz
title: Occurrence Download

description: A dataset containing 7884 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Taraxacum officinale",
 "HasCoordinate is true",
 "Country is United Kingdom of Great Britain and Northern Ireland"
 ]
}

 The dataset includes 7884 records from 9 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003162-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.p4qx85
title: Occurrence Download

description: A dataset containing 2180 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is Thrips (Thysanoptera) in Norway"
 ]
}

 The dataset includes 2180 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003163-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5281/zenodo.18506491
title: Accelerating the estimation of effective rock properties under partially saturated conditions through saturation-conditioned U-Net–based initialization

description: This repository contains datasets for constructing a saturation-conditioned U-Net to distribute the gas phase in porous media. The data_pool folder contains the raw 3D datasets, while the raw_data_k1 and raw_data_s1 folders contain the training, validation, and prediction datasets used for machine-learning model construction. The script folder contains Python scripts used to build the machine-learning model, perform hyperparameter optimization, and generate predictions. The template folder provides a Python script template for machine-learning model construction.

For detailed Python codes, please check our Github repository: https://github.com/FZJ-RT/cac.git
DOI: 10.5281/zenodo.18506492
title: Accelerating the estimation of effective rock properties under partially saturated conditions through saturation-conditioned U-Net–based initialization

description: This repository contains datasets for constructing a saturation-conditioned U-Net to distribute the gas phase in porous media. The data_pool folder contains the raw 3D datasets, while the raw_data_k1 and raw_data_s1 folders contain the training, validation, and prediction datasets used for machine-learning model construction. The script folder contains Python scripts used to build the machine-learning model, perform hyperparameter optimization, and generate predictions. The template folder provides a Python script template for machine-learning model construction.

For detailed Python codes, please check our Github repository: https://github.com/FZJ-RT/cac.git
DOI: 10.15468/dl.9vhgz3
title: Occurrence Download

description: A dataset containing 46430 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Taraxacum officinale",
 "HasCoordinate is true",
 "Country is United States of America"
 ]
}

 The dataset includes 46430 records from 217 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0003164-260208012135463/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bd9qfj
title: Occurrence Download

description: A dataset containing 1 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is BOLD:ACB4464"
 ]
}

 The dataset includes 1 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0029132-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9u97ym
title: Occurrence Download

description: A dataset containing 2 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "BasisOfRecord is one of (Human Observation, Machine Observation, Occurrence evidence, Observation)",
 "TaxonKey is one of (Hyla arborea)",
 "Country is one of (Bermuda, Canada, Greenland, Saint Pierre and Miquelon, United States of America)"
 ]
}

 The dataset includes 2 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0029137-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.f9n6vx
title: Occurrence Download

description: A dataset containing 30 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Chinese Taipei",
 "TaxonKey is Castanopsis chinensis"
 ]
}

 The dataset includes 30 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0029135-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.kpw4px
title: Occurrence Download

description: A dataset containing 2071 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Daucus montanus"
 ]
}

 The dataset includes 2071 records from 115 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0029131-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.xk49kt
title: Occurrence Download

description: A dataset containing 27946 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Daucus glochidiatus"
 ]
}

 The dataset includes 27946 records from 110 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0029134-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5281/zenodo.16325660
title: 87-a-hint-of-heartache.docx
DOI: 10.5281/zenodo.16325661
title: 87-a-hint-of-heartache.docx
DOI: 10.15468/dl.wky64b
title: Occurrence Download

description: A dataset containing 482 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "BasisOfRecord is one of (Human Observation, Machine Observation, Occurrence evidence, Observation)",
 "TaxonKey is one of (Hyla arborea)",
 "Country is one of (Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei Darussalam, Cambodia, China, Cyprus, Georgia, Hong Kong, India, Indonesia, Iran (Islamic Republic of), Iraq, Israel, Japan, Jordan, Kazakhstan, Korea (Democratic People’s Republic of), Korea, Republic of, Kuwait, Kyrgyzstan, Lao People’s Democratic Republic, Lebanon, Macao, Malaysia, Maldives, Mongolia, Myanmar, Nepal, Oman, Pakistan, Palestine, State of, Philippines, Qatar, Saudi Arabia, Singapore, Sri Lanka, Syrian Arab Republic, Tajikistan, Thailand, Timor-Leste, Türkiye, Turkmenistan, United Arab Emirates, Uzbekistan, Viet Nam, Yemen)"
 ]
}

 The dataset includes 482 records from 3 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0029139-250717081556266/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.