cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.48443/5h5n-3d49
title: Zooplankton collection (DP1.20219.001)
title: RELEASE-2025

description: This data product contains the quality-controlled, native sampling resolution data and metadata from NEON's aquatic zooplankton collection protocol, as well as associated taxonomic, morphometric, and count analyses data provided by a contracted lab. Field samples are collected in the water column of lakes using the most appropriate sampler (vertical tow net or Schindler trap) for the depth of water, preserved in ethanol in the field, and shipped to a contracting lab for analysis. For additional details, see the user guide, protocols, science design, and lab SOPs listed in the Documentation section in this data product's details webpage.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

zoo_fieldData:  30

zoo_perSample:  210

zoo_taxonomyProcessed:  210

zoo_taxonomyRaw:  210

zoo_perVial:  210

zoo_identificationHistory: 7
description: Zooplankton samples are collected three times per year at lake sites during aquatic biology bout windows, roughly in spring, summer, and fall. Samples are collected using either a tow net (water deeper than 4 m) or a Schindler-Patalas trap (water shallower than 4 m) depending on the depth at the sampling location. Samples are collected near the NEON profiling buoy as well as two littoral sensor sets. Samples are preserved in ethanol in the field and shipped to a taxonomy lab for sorting and identification, including count of each taxon, summary length and width measurements for each taxon per sample (to nearest mm) and identification to lowest practical taxon (genus or species). Instrumentation:
DOI: 10.48443/8xyk-rb97
title: Zooplankton metabarcoding (DP1.20221.001)
title: RELEASE-2025

description: This data product contains the quality-controlled, native sampling resolution data and metadata from NEON's aquatic zooplankton metabarcoding sampling protocol, as well as associated metadata provided by a contracted lab. Field samples are collected in the water column of lakes using the most appropriate sampler (vertical tow net or Schindler trap) for the depth of water at the same time and location as morphological taxonomy samples, preserved in ethanol in the field, and shipped to a contracting lab for processing and sequencing. For additional details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage.

Queries for this data product return a downloadable data package with laboratory methods and DNA extraction, PCR amplification, and sequencing metadata for samples from the queried sites and date range. Queries for the expanded package will also include a table containing links to the raw sequence data files.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

zoo_fieldData:  30

zoo_dnaExtraction:  240

zoo_markerGeneSequencing:  240

zoo_pcrAmplification:  240

zoo_dnaRawDataFiles:  240

zoo_metabarcodeTaxonomy:  240

inv_metabarcodeTaxonList:  240

inv_metabarcodeSummary:  240

inv_dnaExtractionStandard:  240

inv_markerGeneSequencingStandard:  240

inv_pcrAmplificationStandard:  240

inv_dnaRawDataFilesStandard:  240

inv_metabarcodeTaxonomyStandard: 240
description: Zooplankton metabarcoding samples are collected three times per year at lake sites during aquatic biology bout windows, roughly in spring, summer, and fall. Samples are collected using either a tow net (water deeper than 4 m) or a Schindler-Patalas trap (water shallower than 4 m) depending on the depth at the sampling location. Samples are collected near the NEON profiling buoy as well as the littoral sensor sets. Samples collected during the mid-summer sampling bout (Bout 2) are sent to an external facility for homogenization and high-throughput sequencing. Samples collected during the spring and fall (Bout 1 and Bout 3) are preserved in ethanol and shipped to the NEON Biorepository for archiving. Instrumentation:
DOI: 10.48443/c7ya-dd18
title: Secchi depth (DP1.20252.001)
title: RELEASE-2025

description: This data product contains the quality-controlled, native sampling resolution data from NEON's Secchi depth data collection. Secchi measurements indicate water clarity, and secchi depth is used to determine the depth to which light penetrates. This value can also be used to calculate the depth of the euphotic zone in a lake or river, which is especially important for phytoplankton sampling. Secchi data are collected when collecting data for any standard operating procedure that samples the water column in a lake or river (e.g., surface water chemistry and phytoplankton) by lowering a Secchi disk through the water column, and recorded the depth(s) to which it disappears from view. Secchi depth measurements are collected only during ice-free periods, and are collected a minimum of 4 times per year, up to 12+ times per year. For additional details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

dep_secchi:  30
description: Secchi data are collected during sample collection for any standard operating procedure that samples the water column in a lake or river (phytoplankton, zooplankton, pelagic surface water microbes, and pelagic surface water chemistry), and may be collected during other sampling visits to lake and river sites. Measurements are collected only near the buoy sensors in lakes and rivers, and data are not collected under the ice. Secchi depth measurements are only collected during ice-free periods, and are collected a minimum of 4 times per year, up to 12+ times per year. Instrumentation:
DOI: 10.48443/s4ne-a604
title: Depth profile at specific depths (DP1.20254.001)
title: RELEASE-2025

description: This data product contains the quality-controlled, native sampling resolution data from NEON's Depth profile at specific depths data collection. Depth profile data are collected along with any other sampling protocol in the water column (e.g., phytoplankton, zooplankton, or surface water chemistry). Depth profile data include water temperature, conductivity, and dissolved oxygen data collected every 0.5 m through the water column using a handheld probe. Depth profile data are only collected at the deepest location of the lake near the buoy, or near the river buoy. These data not only provide metadata to accompany the sampling modules, but also inform sampling depths based the thermocline, if present, for water chemistry and associated analytes, surface water microbes, and phytoplankton sampling. Depth profiles are collected year-round, including under ice at northern sites, a minimum of 12 times per year. For additional details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

dep_profileData:  30

dep_profileHeader:  30
description: Depth profile data are collected during sample collection for any protocol that samples the water column in a lake or river (phytoplankton, zooplankton, pelagic surface water microbes, and pelagic surface water chemistry), and may be collected opportunistically during other sampling visits to lake and river sites. Measurements are collected only near the buoy sensors in lakes and rivers, and data are collected year-round, including under ice. Measurements of water temperature, conductivity, and dissolved oxygen are collected every 0.5 m through the water column, with larger intervals (1.0 m) in the hypolimnion of deep lakes. Data are collected a minimum of 12 times per year. Instrumentation: YSI Pro2030
DOI: 10.48443/05rk-wh46
title: Photosynthetically active radiation below water surface (DP1.20261.001)
title: RELEASE-2025

description: Photosynthetically active radiation below water is measured at 1 Hz at lake littoral sensor sets and twice per minute on buoys at lake and river sites. It is reported as 1-minute mean measurements and 30-minute mean values.

Latency: Data collected in any given month are published during the second full week of the following month.
description: The littoral sensor sets measure PAR below water surface along with water level and temperature. The buoys, deployed at both lakes and rivers, are comprised of sensor sets which measure meteorological parameters over a water surface along with submerged sensors that measure physical and chemical parameters of the water body. Some of these sensors are unique to the buoy subsystem and others are shared with other NEON subsystems, such as the wadeable stream sensor sets or terrestrial towers. Due to power, space, and data storage constraints on the buoy, the configuration of sensors deployed on a buoy may be different than those in other parts of NEON. Instrumentation: LI-COR LI-192A underwater PAR sensor
DOI: 10.48443/06xg-mz55
title: Temperature at specific depth in surface water (DP1.20264.001)
title: RELEASE-2025

description: Temperature at specific depths on buoys is measured every minute and is reported as 1-minute instantaneous measurements and 30-minute mean values. A temperature chain with between 3 and 10 thermistors (depending on lake depth) is affixed from the buoy at the water surface. The shallowest thermistor is located at 5 cm below the water surface. Deeper thermistors have their depth published with the data and vary for each lake or river.

Latency:
Data collected in any given month are published during the second full week of the following month.
description: The buoys are comprised of sensor sets which measure meteorological parameters over a water surface along with submerged sensors that measure physical and chemical parameters of the water body. Some of these sensors are unique to the buoy subsystem and others are shared with other NEON subsystems, such as the wadeable stream sensor sets or terrestrial towers. Due to power, space, and data storage constraints on the buoy, the configuration of sensors deployed on a buoy may be different than those in other parts of NEON. Instrumentation: Precision Measurement Engineering Inc. - T-Chain RS 232/485
DOI: 10.48443/2ndc-7049
title: Gauge height (DP1.20267.001)
title: RELEASE-2025

description: Gauge height is the height of the water surface above an established altitude where the stage is zero. The zero level is arbitrary, but is often close to the streambed. Gauge height at stream sites will be related to measurements of stream discharge to formulate stage-discharge rating curves at all NEON stream and river sites. Rating equations will be applied to continuous surface water elevation data in order to calculate continuous stream discharge at all NEON aquatic sites. For additional details, see protocol [NEON.DOC. 001085]( http://data.neonscience.org/api/v0/documents/NEON.DOC.001085vD): AOS Protocol and Procedure: Stream Discharge, [NEON.DOC.001646](http://data.neonscience.org/api/v0/documents/NEON.DOC.001646vC): General AQU Field Metadata Sheet, and [NEON.DOC.001152](http://data.neonscience.org/api/v0/documents/NEON.DOC.001152vA): Aquatic Sampling Design.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

gag_fieldData:  30
description: Gauge measurements and field metadata are collected at all aquatic sites whenever any other protocol is implemented. For protocols that may be performed in shifts multiple times a day, e.g. fish sampling, there can be multiple gauge records per site per date that cover different time ranges. In total, gauge height is measured several times per month per site. Instrumentation: Oregon Rule Co. staff gauge
DOI: 10.48443/dyxk-kp17
title: Relative humidity and air temperature above water on-buoy (DP1.20271.001)
title: RELEASE-2025

description: Relative humidity on buoys is measured every minute and is reported as 1-minute instantaneous measurements and 30-minute mean values. Other than the data collection frequency, this data product has the same data streams and processing as relative humidity measured at aquatic met stations and on the terrestrial instrument towers.

Latency:
Data collected in any given month are published during the second full week of the following month.
description: The buoys are comprised of sensor sets which measure meteorological parameters over a water surface along with submerged sensors that measure physical and chemical parameters of the water body. Some of these sensors are unique to the buoy subsystem and others are shared with other NEON subsystems, such as the wadeable stream sensor sets or terrestrial towers. Due to power, space, and data storage constraints on the buoy, the configuration of sensors deployed on a buoy may be different than those in other parts of NEON. Instrumentation: Vaisala HUMICAP Humidity and Temperature Probe - HMP 155
DOI: 10.48443/x7sb-rp60
title: Riparian composition and structure (DP1.20275.001)
title: RELEASE-2025

description: This data product contains the quality-controlled, native sampling resolution data from the composition and structure components of NEON's riparian habitat assessment protocol. This protocol provides a rapid estimate of the riparian vegetation, human impacts, and bank characteristics at NEON Aquatic lakes, rivers, and streams. For additional details, see protocol [NEON.DOC. 003826] (http://data.neonscience.org/api/v0/documents/NEON.DOC.003826vB): AOS Protocol and Procedure: Riparian Habitat Assessment and science design [NEON.DOC.001152](http://data.neonscience.org/api/v0/documents/NEON.DOC.001152vA): Aquatic Sampling Design.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

rip_assessment:  30
description: Each aquatic site is surveyed once per year within the site-specific peak greenness window. Ten riparian transects are evenly distributed throughout the 1km wadeable stream biological sampling reach. At lake sites, 10 evenly spaced transects are established around the lake perimeter. Large river sites include 5 right bank and 5 left bank transects that are evenly spaced throughout the 1km reach. At each transect the physical habitat is characterized including vegetation structure and composition, dominant plant species, bank characteristics including bank angle, revetment, and bank texture. Instrumentation: NA
DOI: 10.48443/e86f-b271
title: Stable isotopes in groundwater (DP1.20276.001)
title: RELEASE-2025

description: This data product contains the quality-controlled, native sampling resolution data from NEON's stable isotopes in groundwater sampling protocol. Water samples are sent to external facilities for analysis to determine 18O/16O and 2H/1H water isotope ratios. For additional details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

asi_externalLabSummaryData:  14

gsi_externalLabH2OIsotopes:  120

gsi_fieldData:  30

gsi_fieldSuperParent:  30
description: The aquatic stable isotope sampling protocol is completed in conjunction with the water chemistry protocol. Groundwater is sampled twice per year at NEON aquatic sites from permanently installed groundwater wells.  There are up to eight small (2-in diameter) shallow (<100 ft depth) groundwater observation wells at each site, from which a subset of four wells are sampled. The field protocol used by NEON for collecting groundwater chemistry samples follows the general procedure for minimal drawdown sampling detailed by EPA report Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures (Puls and Barcelona, 1996). For additional details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage. Instrumentation:
DOI: 10.48443/r73n-ct11
title: Benthic microbe group abundances (DP1.20277.001)
title: RELEASE-2025

description: This data product contains the quality-controlled laboratory data and metadata for NEON's benthic bacterial, archaeal, and fungal group abundances analysis, which are derived from benthic sampling in wadeable streams. Benthic and water column field samples are collected in wadeable streams, rivers, and lakes three times per year during the growing season. For additional details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.
 
mga_benthicGroupAbundances:  240

mga_batchResults: 14

mga_labSummary: 14
description: Benthic microbe samples are collected at the same time and location as periphyton (microalgae) samples three times per year in wadeable streams during aquatic biology bout windows, roughly in spring, summer, and fall. Samples are collected using field-sterile methods using the most appropriate sampler for the habitat and substratum type, including rock scrubs, grab samples, and epiphyton. In wadeable streams, periphyton samples are collected in the two most dominant benthic habitat types (e.g. riffles, runs, pools, step pools). All samples are frozen on dry ice in the field and shipped to an analytical facility for DNA extraction, sample preparation and qPCR analysis using primer sets targeting the small subunit of the ribosomal RNA gene. Laboratory data are passed through the NEON automated ingest process for basic QC testing and acceptance, and then are published on the NEON data portal. Instrumentation:
DOI: 10.48443/eaca-ra91
title: Surface water microbe group abundances (DP1.20278.001)
title: RELEASE-2025

description: This data product contains the quality-controlled laboratory data and metadata for NEON's surface water bacterial, archaeal and fungal group abundances analysis, which are derived from surface water microbial sampling. For details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage. Queries for the basic data product package will return laboratory results of gene copy number data. Queries for the expanded package will include two additional tables: a batch-level data and QC results table, and a summary table of the lab methods used for processing and analysis.

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.

mga_swGroupAbundances:  240

mga_batchResults: 14

mga_labSummary: 14
description: Surface water samples for microbial molecular analyses are collected at the same time and location as surface water chemistry samples once per month in wadeable streams (12 times per year) and every-other month in lakes and rivers (6 times per year). In wadeable streams, microbe samples are collected near the downstream S2 sensor location. In lakes and rivers, samples are collected near the buoy sensor set at 1 sampling depth in unstratified systems and up to 3 depths in stratified lakes. Surface water grab samples are filtered on 0.22 um Sterivex capsule filters, capped and flash-frozen in the field. The filters are stored on dry ice in the field and shipped frozen to an analytical facility for DNA extraction, sample preparation and qPCR analysis using primer sets targeting the small subunit of the ribosomal RNA gene operon. Laboratory data are passed through the NEON automated ingest process for QC testing and acceptance, and are published on the NEON data portal. Instrumentation:
DOI: 10.48443/5bv0-zw74
title: Benthic microbe metagenome sequences (DP1.20279.001)
title: RELEASE-2025

description: This data product contains the primary field and quality-controlled laboratory metadata and minimally processed sequence data from NEON's benthic microbial shotgun metagenomics sequencing. For details, see the user guide, protocols, and science design listed in the Documentation section in this data product's details webpage. Queries for the basic data product package will return metadata tables that include field observations and measurements, laboratory methods, and results from DNA extraction, sample preparation, and sequencing for samples from the specified sites and within the specified date range. Queries for the expanded package will also include a table containing links to the raw sequence data files. 

Latency:
The expected time from data and/or sample collection in the field to data publication is as follows, for each of the data tables (in days) in the downloaded data package. See the Data Product User Guide for more information.
 
amb_fieldParent:  60

mms_benthicMetagenomeDnaExtraction:  240

mms_benthicMetagenomeSequencing:  240

mms_benthicRawDataFiles: 240
description: Benthic metagenomics samples are collected once per year in wadeable streams during the approximate period of peak productivity (the ‘Summer’ or ‘Bout 2’ sampling bout). Sampling takes place at the same time and location as periphyton (microalgae) sampling. Samples are collected using field-sterile methods using the most appropriate sampler for the habitat and substratum type, including rock scrubs, sediment grab samples, and epiphyton on aquatic plants. Periphyton samples are collected in the two most dominant benthic habitat types (e.g. riffles, runs, pools, step pools). Cobble scrubs are filtered on 0.22 um Sterivex capsule filters, capped and flash-frozen in the field. Grab samples of sediment (silt, sand) or plant material/epiphyton are collected when appropriate and flash frozen in the field. Frozen samples are shipped to an analytical facility for DNA extraction, sample preparation and shotgun metagenome sequencing. Laboratory data are then delivered to NEON, where they undergo QC testing and are published on the NEON Data Portal. Instrumentation: