cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6073/pasta/b839940664e7c198a5472530978a1e3e
title: Stable isotope and conservative tracer data used to estimate uptake of stream water dissolved organic carbon (DOC) through a whole-stream addition of a ¹³C-DOC tracer coupled with laboratory measurements of bioavailability of the tracer and stream water DOC using lability profiling with bioreactors

description: We performed a whole-stream addition of a ¹³C-DOC tracer and made laboratory measurements of the biological availability of the tracer as well as stream water DOC. The study was performed in October 2002 in a 1.27 km stretch of the third-order White Clay Creek in southeastern Pennsylvania. The tracer was prepared as a cold-water leachate of ¹³C-labeled tulip poplar saplings and it was added to the stream along with sodium bromide, a conservative tracer, over a 2-h period. Stream water samples were collected at 8 downstream stations over an 8-h period, filtered, and analyzed for concentrations of bromide and DOC. DOC was measured by Pt-catalyzed, persulfate oxidation, Br- was analyzed by ion chromatography, and C isotope samples were rotary evaporated, acidified, lyophilized, combusted, and the CO₂ analyzed with an elemental analyzer interfaced with an isotope ratio mass spectrometer. Lability profiling of the ¹³C-DOC tracer and stream water DOC were performed with a series of plug-flow bioreactors of increasing empty-bed contact times with the concentration of biodegradable DOC operationally defined as the difference between the DOC concentrations in the influent and effluent waters of the bioreactors. The bioreactor measurements were performed 2 days after the whole-stream release. Data were analyzed to estimate the uptake of stream water DOC associated with labile and semi-labile fraction of biodegradable DOC. These data have been previously used in a 2008 publication in Freshwater Biology, doi:10.1111/j.1365-2427.2007.01941.x.
DOI: 10.6073/pasta/e6117972f6a80d5f5a9db354957910ed
title: Soil nitrous oxide (N2O) and carbon dioxide (CO2) flux from a Central Iowa crop field and accompanying soil edaphic and climatic variables.

description: To quantify the magnitude of soil nitrous oxide flux and the drivers of nitrous oxide emissions in a representative central Iowa corn-soybean agricultural system, we measured greenhouse gas emissions (N2O and CO2) from 2017 to 2019 (primarily using custom automated chambers) along with soil chemical and physical parameters across a topographic gradient in a typically managed agricultural field near Ames, Iowa, USA. More details can be found in the associated manuscript, Lawrence et al. (2021).
DOI: 10.48732/5j6d-fs96
title: Anomalous Phyllosilicate‐Bearing Outcrops South of Coprates Chasma: A Study of Possible Emplacement Mechanisms
DOI: 10.6073/pasta/8fb57bba77e8c9a4bdfa55299bde9d83
title: Riparian and upland understory vegetation lifeforms and leaf-litterfall ordination analyses in the Luquillo Forest Dynamics Plot

description: Riparian areas are proportionally a small component of the forested landscape, they are significant contributors to ecosystem process, terrestrial and aquatic linkages, plant community composition, as well to basal energy resources for aquatic fauna. We describe vegetation and leaf-litterfall composition in relation to past land use in riparian and upland locations in tropical wet forest, Luquillo Forest Dynamics Plot (LFDP), Luquillo Experimental Forest, Puerto Rico. Data collected from 2003 to 2005. Stratified sampling was conducted in riparian and upland areas of LFDP with high and low past land use. Understory vegetation life-form composition were sampled in plots.
DOI: 10.6073/pasta/ebf6b175a6f6e44d3e9747c13f0d376c
title: Hysteresis of the Sarracenia Purpurea Microecosystem in Northern Vermont 2015-2016

description: The restoration of plant and animal communities damaged by chronic detrital or nutrient enrichment is a long-standing environmental problem. In a replicated greenhouse experiment with the aquatic microbial community that inhabits the cup-shaped leaves of the carnivorous pitcher plant Sarracenia purpurea, we monitored O2 levels and the concentration of bovine serum album (BSA), an effective molecular substitute for detritus. Low BSA enrichment rates triggered a classic hysteresis response, a substantial lag in the return of O2 levels. At intermediate BSA enrichment rates, O2 levels closely tracked BSA concentrations during both the enrichment and recovery phases. High BSA enrichment rates induced an unusual "anti-clockwise" hysteresis in which O2 levels were higher during the recovery phase than during the enrichment phase. These experiments revealed complex dynamic behavior in response to enrichment rates of a single environmental driver. Our results suggest that the past trajectory of enrichment is critical for understanding how systems will respond to restoration initiatives. Specifically, systems that have been exposed to chronic low levels of enrichment may be the ones that are most resistant to restoration efforts that reduce nutrient or detrital inputs.
DOI: 10.5281/zenodo.3251653
title: Volcanic ash source inversion data for paper "A near-real-time method for estimating volcanic ash emissions using satellite retrievals"

description: This dataset consists of volcanic ash source inversion data for the paper "A near-real-time method for estimating volcanic ash emissions using satellite retrievals" by Rachel E. Pelley, David J. Thomson, Helen N. Webster, Michael C. Cooke, Alistair J. Manning, Claire S. Witham and Matthew C. Hort, Atmosphere, 2021, 12, 1573, https://doi.org/10.3390/atmos12121573. Satellite retrievals, dispersion model simulations and inversion calculations are included for the eruptions of Eyjafjallajokull in 2010 and Grimsvotn in 2011.
DOI: 10.5281/zenodo.3251652
title: Volcanic ash source inversion data for paper "A near-real-time method for estimating volcanic ash emissions using satellite retrievals"

description: This dataset consists of volcanic ash source inversion data for the paper "A near-real-time method for estimating volcanic ash emissions using satellite retrievals" by Rachel E. Pelley, David J. Thomson, Helen N. Webster, Michael C. Cooke, Alistair J. Manning, Claire S. Witham and Matthew C. Hort, Atmosphere, 2021, 12, 1573, https://doi.org/10.3390/atmos12121573. Satellite retrievals, dispersion model simulations and inversion calculations are included for the eruptions of Eyjafjallajokull in 2010 and Grimsvotn in 2011.
DOI: 10.6084/m9.figshare.17105876
title: Supplementary Files-HATUA Pilot

description: Supplementary Tables and Figures of the HATUA Pilot study
DOI: 10.3886/e116493v1-102942
title: Replication data for: Grades in Economics and Other Undergraduate Courses

description: This study analyzes GPA data from the transcripts of college grades using the Baccalaureate and Beyond survey data from the National Center for Education Statistics at the US Department of Education. It reports GPAs overall and for 12 undergraduate majors including economics. The regression analysis investigates the likely effects of prior ability or achievement, demographics, and institutional variables on both the overall GPA and GPAs in selected academic subjects, including economics. Gender differences are explored for the marginal effects of taking a course in a subject and differences in the percentages of "A" grades earned when a course is taken.
DOI: 10.5066/p9056zng
title: Supporting Datasets for Proglacial Topographic Change Analyses on Mount Rainier, 1960 to 2017

description: This data release is a repository for data presented in Anderson and Shean (2021), a publication looking at topographic change in proglacial and glacier-marginal areas on Mount Rainier between 1960 and 2017. Datasets include all newly derived digital elevation models, shapefiles defining various areas of analysis, and tabular summaries of data presented in figures. See individual child items and original publication for more details.
DOI: 10.5517/ccdc.csd.cc27r8lw
title: CCDC 2077948: Experimental Crystal Structure Determination

description: Related Article: Suresh Rajamanickam, Mayank Saraswat, Sugumar Venkataramani, Bhisma K. Patel|2021|Chemical Science|12|15318|doi:10.1039/D1SC04365J
DOI: 10.5517/ccdc.csd.cc27y2pz
title: CCDC 2083531: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.5517/ccdc.csd.cc27y2q0
title: CCDC 2083532: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.5517/ccdc.csd.cc27y2r1
title: CCDC 2083533: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.5517/ccdc.csd.cc27y2s2
title: CCDC 2083534: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.6084/m9.figshare.16636061
title: <i>Didymium pseudonivicola</i>: A new myxomycete from the austral Andes emerges from broad-scale morphological and molecular analyses of <i>D. nivicola</i> collections

description: A new nivicolous myxomycete is described as a result of a comprehensive study of <i>Didymium nivicola</i> collections from the entire range of its occurrence. Statistical analysis of 12 morphological characters, phylogenetic analyses of nuc 18S rDNA and elongation factor 1-alpha gene (<i>EF1A</i>), and a delimitation method (automatic barcode gap diversity) have been applied to corroborate the identity of the new species. A preliminary morphological analysis of <i>D. nivicola</i> revealed high variability of South American populations where four types of spore ornamentation were noted. However, results of molecular study and statistical analysis of morphological characters did not support recognition of these four forms but the distinction of two morphotypes. Consequently, two species have been recognized: <i>D. nivicola</i> and the newly proposed <i>D. pseudonivicola</i>. The new species can be distinguished from <i>D. nivicola</i> by distinctly larger and mostly plasmodiocarpic sporophores, which are scattered to gregarious, paler spores, and by the paler, more delicate and more elastic capillitium. Spore ornamentation of <i>D. pseudonivicola</i> is uniform and can be described as distinctly spiny (pilate under scanning electron microscope [SEM]), whereas those of <i>D. nivicola</i> is more variable, where spines (pilae under SEM) are delicate, distinct, or conspicuous. Additionally, whereas <i>D. nivicola</i> is a species distributed worldwide, <i>D. pseudonivicola</i> occurs only in the austral Andes of Argentina and Chile.
DOI: 10.5517/ccdc.csd.cc27y2t3
title: CCDC 2083535: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.5517/ccdc.csd.cc27y2v4
title: CCDC 2083536: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.6084/m9.figshare.16636061.v2
title: <i>Didymium pseudonivicola</i>: A new myxomycete from the austral Andes emerges from broad-scale morphological and molecular analyses of <i>D. nivicola</i> collections

description: A new nivicolous myxomycete is described as a result of a comprehensive study of <i>Didymium nivicola</i> collections from the entire range of its occurrence. Statistical analysis of 12 morphological characters, phylogenetic analyses of nuc 18S rDNA and elongation factor 1-alpha gene (<i>EF1A</i>), and a delimitation method (automatic barcode gap diversity) have been applied to corroborate the identity of the new species. A preliminary morphological analysis of <i>D. nivicola</i> revealed high variability of South American populations where four types of spore ornamentation were noted. However, results of molecular study and statistical analysis of morphological characters did not support recognition of these four forms but the distinction of two morphotypes. Consequently, two species have been recognized: <i>D. nivicola</i> and the newly proposed <i>D. pseudonivicola</i>. The new species can be distinguished from <i>D. nivicola</i> by distinctly larger and mostly plasmodiocarpic sporophores, which are scattered to gregarious, paler spores, and by the paler, more delicate and more elastic capillitium. Spore ornamentation of <i>D. pseudonivicola</i> is uniform and can be described as distinctly spiny (pilate under scanning electron microscope [SEM]), whereas those of <i>D. nivicola</i> is more variable, where spines (pilae under SEM) are delicate, distinct, or conspicuous. Additionally, whereas <i>D. nivicola</i> is a species distributed worldwide, <i>D. pseudonivicola</i> occurs only in the austral Andes of Argentina and Chile.
DOI: 10.5517/ccdc.csd.cc27y2w5
title: CCDC 2083537: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.6084/m9.figshare.16567477
title: Systematic analysis of <i>Russula</i> in the North American Rocky Mountain alpine zone

description: <i>Russula</i> (Russulales) is an important ectomycorrhizal fungal genus in Arctic and alpine regions where it occurs with <i>Salix, Betula, Dryas</i>, and <i>Polygonum</i>, yet a complex phylogenetic analysis of the genus in these habitats is lacking. This research compared collections of <i>Russula</i> from the Rocky Mountain alpine (Colorado, Montana, Wyoming) with reference specimens from Arctic and alpine habitats, mostly in Europe, using an in-depth morphological study and a phylogenetic analysis of the nuc rDNA internal transcribed spacer region ITS1-5.8S-ITS2 (ITS barcode) and the second largest subunit of the RNA polymerase II gene (<i>rpb2</i>). One hundred thirty-nine <i>Russula</i> collections were sequenced, including type material. Ten species are reported from alpine or treeline habitats in the Rocky Mountains. This is the first formal report of <i>R</i>. cf. <i>altaica, R. saliceticola</i>, and <i>R. subrubens</i> from the Rocky Mountains and of <i>R. purpureofusca</i> in North America. <i>Russula laevis</i> is reported for the first time under this name with a voucher, and not as an environmental sample. Previous reports of <i>R. nana</i> and <i>R. laccata</i> are molecularly confirmed. Two species are reported from subalpine habitats at treeline: <i>R. montana</i> with conifers and <i>R</i>. cf. <i>altaica</i> with <i>Betula</i>. In this study, <i>R. laccata, R. subrubens</i>, and <i>R. laevis</i> were collected in alpine habitats but have been reported below treeline in Europe; these species may also be present at lower elevations in North America. Most species have an intercontinental distribution and have been reported in other alpine or Arctic habitats. Two unidentified and potentially new species were only found in North America and are discussed. A key to the alpine Russulas of North America is provided.
DOI: 10.5517/ccdc.csd.cc27y2x6
title: CCDC 2083538: Experimental Crystal Structure Determination

description: Related Article: Gwyndaf A. Oliver, Maximilian N. Loch, André U. Augustin, Pit Steinbach, Mohammed Sharique, Uttam K. Tambar, Peter G. Jones, Christoph Bannwarth, Daniel B. Werz|2021|Angew.Chem.,Int.Ed.|60|25825|doi:10.1002/anie.202106596
DOI: 10.6084/m9.figshare.16636061.v1
title: <i>Didymium pseudonivicola</i>: A new myxomycete from the austral Andes emerges from broad-scale morphological and molecular analyses of <i>D. nivicola</i> collections

description: A new nivicolous myxomycete is described as a result of a comprehensive study of <i>Didymium nivicola</i> collections from the entire range of its occurrence. Statistical analysis of 12 morphological characters, phylogenetic analyses of nuc 18S rDNA and elongation factor 1-alpha gene (<i>EF1A</i>), and a delimitation method (automatic barcode gap diversity) have been applied to corroborate the identity of the new species. A preliminary morphological analysis of <i>D. nivicola</i> revealed high variability of South American populations where four types of spore ornamentation were noted. However, results of molecular study and statistical analysis of morphological characters did not support recognition of these four forms but the distinction of two morphotypes. Consequently, two species have been recognized: <i>D. nivicola</i> and the newly proposed <i>D. pseudonivicola</i>. The new species can be distinguished from <i>D. nivicola</i> by distinctly larger and mostly plasmodiocarpic sporophores, which are scattered to gregarious, paler spores, and by the paler, more delicate and more elastic capillitium. Spore ornamentation of <i>D. pseudonivicola</i> is uniform and can be described as distinctly spiny (pilate under scanning electron microscope [SEM]), whereas those of <i>D. nivicola</i> is more variable, where spines (pilae under SEM) are delicate, distinct, or conspicuous. Additionally, whereas <i>D. nivicola</i> is a species distributed worldwide, <i>D. pseudonivicola</i> occurs only in the austral Andes of Argentina and Chile.
DOI: 10.5517/ccdc.csd.cc27y4kx
title: CCDC 2083589: Experimental Crystal Structure Determination

description: Related Article: Dmitry V. Osipov, Kirill S. Korzhenko, Daria A. Rashchepkina, Alina A. Artemenko, Oleg P. Demidov, Vadim A. Shiryaev, Vitaly A. Osyanin|2021|Org.Biomol.Chem.|19|10156|doi:10.1039/D1OB01377G
DOI: 10.6084/m9.figshare.16567477.v2
title: Systematic analysis of <i>Russula</i> in the North American Rocky Mountain alpine zone

description: <i>Russula</i> (Russulales) is an important ectomycorrhizal fungal genus in Arctic and alpine regions where it occurs with <i>Salix, Betula, Dryas</i>, and <i>Polygonum</i>, yet a complex phylogenetic analysis of the genus in these habitats is lacking. This research compared collections of <i>Russula</i> from the Rocky Mountain alpine (Colorado, Montana, Wyoming) with reference specimens from Arctic and alpine habitats, mostly in Europe, using an in-depth morphological study and a phylogenetic analysis of the nuc rDNA internal transcribed spacer region ITS1-5.8S-ITS2 (ITS barcode) and the second largest subunit of the RNA polymerase II gene (<i>rpb2</i>). One hundred thirty-nine <i>Russula</i> collections were sequenced, including type material. Ten species are reported from alpine or treeline habitats in the Rocky Mountains. This is the first formal report of <i>R</i>. cf. <i>altaica, R. saliceticola</i>, and <i>R. subrubens</i> from the Rocky Mountains and of <i>R. purpureofusca</i> in North America. <i>Russula laevis</i> is reported for the first time under this name with a voucher, and not as an environmental sample. Previous reports of <i>R. nana</i> and <i>R. laccata</i> are molecularly confirmed. Two species are reported from subalpine habitats at treeline: <i>R. montana</i> with conifers and <i>R</i>. cf. <i>altaica</i> with <i>Betula</i>. In this study, <i>R. laccata, R. subrubens</i>, and <i>R. laevis</i> were collected in alpine habitats but have been reported below treeline in Europe; these species may also be present at lower elevations in North America. Most species have an intercontinental distribution and have been reported in other alpine or Arctic habitats. Two unidentified and potentially new species were only found in North America and are discussed. A key to the alpine Russulas of North America is provided.
DOI: 10.6084/m9.figshare.16586784
title: A field-based investigation of simple phenol variation in Australian <i>Agaricus xanthodermus</i>

description: <i>Agaricus xanthodermus</i> and other species of the yellow-staining section <i>Xanthodermatei</i> are responsible for mushroom-related poisoning cases that require treatment. However, longstanding anecdotal evidence indicates that this species appears to exhibit considerable variation in toxicity, resulting in gastrointestinal irritation of varying severity in most cases. We quantified the amount of phenol, hydroquinone, and catechol in mushrooms using a novel protocol for gas chromatography–mass spectrometry (GC-MS) and investigated their levels in different basidiomatal structures, different developmental stages, and on different nutritional substrates. Phenol concentration was greater in the pileus than the stipe, in mature compared with immature basidiomata, and in basidiomata occurring in woody mulch versus lawns. Variation in toxicity is suggested to be due in part to variation in phenol concentration, developmental stage and tissue type consumed, and substrate. Variation in human sensitivity to simple phenols may also play a role but was not formally investigated in this study.
DOI: 10.5517/ccdc.csd.cc27y4ly
title: CCDC 2083590: Experimental Crystal Structure Determination

description: Related Article: Dmitry V. Osipov, Kirill S. Korzhenko, Daria A. Rashchepkina, Alina A. Artemenko, Oleg P. Demidov, Vadim A. Shiryaev, Vitaly A. Osyanin|2021|Org.Biomol.Chem.|19|10156|doi:10.1039/D1OB01377G
DOI: 10.6084/m9.figshare.16567477.v1
title: Systematic analysis of <i>Russula</i> in the North American Rocky Mountain alpine zone

description: <i>Russula</i> (Russulales) is an important ectomycorrhizal fungal genus in Arctic and alpine regions where it occurs with <i>Salix, Betula, Dryas</i>, and <i>Polygonum</i>, yet a complex phylogenetic analysis of the genus in these habitats is lacking. This research compared collections of <i>Russula</i> from the Rocky Mountain alpine (Colorado, Montana, Wyoming) with reference specimens from Arctic and alpine habitats, mostly in Europe, using an in-depth morphological study and a phylogenetic analysis of the nuc rDNA internal transcribed spacer region ITS1-5.8S-ITS2 (ITS barcode) and the second largest subunit of the RNA polymerase II gene (<i>rpb2</i>). One hundred thirty-nine <i>Russula</i> collections were sequenced, including type material. Ten species are reported from alpine or treeline habitats in the Rocky Mountains. This is the first formal report of <i>R</i>. cf. <i>altaica, R. saliceticola</i>, and <i>R. subrubens</i> from the Rocky Mountains and of <i>R. purpureofusca</i> in North America. <i>Russula laevis</i> is reported for the first time under this name with a voucher, and not as an environmental sample. Previous reports of <i>R. nana</i> and <i>R. laccata</i> are molecularly confirmed. Two species are reported from subalpine habitats at treeline: <i>R. montana</i> with conifers and <i>R</i>. cf. <i>altaica</i> with <i>Betula</i>. In this study, <i>R. laccata, R. subrubens</i>, and <i>R. laevis</i> were collected in alpine habitats but have been reported below treeline in Europe; these species may also be present at lower elevations in North America. Most species have an intercontinental distribution and have been reported in other alpine or Arctic habitats. Two unidentified and potentially new species were only found in North America and are discussed. A key to the alpine Russulas of North America is provided.