Protocols

All (1474)Explore Protocol Graph

511 protocols

analytical

Geospatial data compilation

Integration of new and compiled geologic mapping data with geospatial analysis for neotectonic and hydrologic investigations.

0 papers
analytical

Global biodiversity assessment

Comprehensive scientific assessment of the state of knowledge regarding biodiversity, ecosystems and their contributions to people.

0 papers
analytical

Greenhouse gas concentration measurement

Carbon dioxide, nitrous oxide, and methane greenhouse gas concentrations and stable isotope signatures of CO2 and dissolved inorganic carbon were measured.

0 papers
analytical

Heritability estimation (Plantae)

Calculation of narrow-sense heritability estimates and genetic correlations for growth traits and stem straightness.

0 papers
analytical

Historical record analysis (Animalia)

Assembly and analysis of historical stocking records to document human-mediated changes in fish distribution.

0 papers
analytical

Hyperspectral data validation

Collection of site spectra to validate airborne hyperspectral data acquired by NEON Aerial Observation Platform.

0 papers
analytical

Illumina paired-end sequencing (Animalia)

Low-coverage genome sequencing using Illumina paired-end technology to generate draft genome assemblies for bird species.

0 papers
analytical

Imaging spectrometry species classification

Deriving individual-scale species data from co-acquired imaging spectrometry data.

0 papers
analytical

LECO TruSpec CN analysis (Plantae)

Total carbon and nitrogen analysis using LECO TruSpec CN analyzer for decomposed needle samples.

0 papers
analytical

Laboratory lamp calibrations

Instrument responsivity calibrations performed using laboratory lamp calibrations for the MFRSR and in-field side-by-side calibration for the MFR.

0 papers
analytical

Landscape Genetics Analysis (Animalia)

Statistical approach using generalized Wishart probability distribution to identify landscape features affecting gene flow and estimate connectivity.

0 papers
analytical

Laser ablation ICPMS U-Pb dating

Laser ablation inductively coupled plasma mass spectrometry used for U-Pb detrital zircon geochronology analysis. Supports mapping and stratigraphic interpretations of Paleozoic sedimentary rocks.

0 papers
analytical

Laser absorbance spectroscopy

Analysis using Picarro L2130-i or Los Gatos Research LWIA with cavity ringdown detection for stable isotope analysis.

0 papers
analytical

Lead isotopic analysis by MC-ICPMS

Analysis of lead isotopic compositions using Neptune Plus multi-collector ICP source mass spectrometer with Tl spiking for mass fractionation correction.

0 papers
analytical

Length-mass relationship conversion

Estimation of invertebrate biomass using established taxon-specific length-mass relationships and scaling to aerial measures.

0 papers
analytical

Linear mixed modeling (Bacteria)

Statistical analysis to quantify relationships between fecal microbial composition, diversity and social network traits.

0 papers
analytical

Linear regression gap filling

Statistical method used to fill missing data areas using relationships between 2018 and 2019 snow depths or snow depth to elevation relationships.

0 papers
analytical

Literature review synthesis

Comprehensive literature review to compile carbon content data from tree tissues across multiple studies and species.

0 papers
analytical

MITOS annotation (Animalia)

Annotation method for identifying and characterizing mitochondrial genes and features.

0 papers
analytical

MODIS surface albedo analysis

Processing of MODIS satellite data to derive surface albedo climatology using Google Earth Engine.

0 papers
analytical

Magnetic contour digitization

Digitization of analog contour maps by following lines or using intersection points of contours and flight lines.

0 papers
analytical

Manual regolith thickness contouring

Manual contouring of regolith thickness values to create isopach contours showing generalized thickness of sediments overlying bedrock.

0 papers
analytical

Mass spectrometry analysis

Analysis of noble gases and tritium using mass spectrometry including helium in-growth method.

0 papers
analytical

Mating system modeling (Pinaceae)

Statistical models used to infer mating parameters and pollen dispersal characteristics.

0 papers
analytical

Methylene blue spectrophotometry

Dissolved sulfide concentration determined by reacting H2S with N,N-dimethyl-p-phenylene diamine under acidic conditions to form methylene blue.

0 papers
analytical

Mixed model analysis

Statistical analysis using mixed models to test for differences in network indices across seasonal periods.

0 papers
analytical

Model selection for transmission pathways

Model selection analyses to evaluate possible transmission pathways including indirect vector transmission and direct predation transmission.

0 papers
analytical

Molecular analysis (Bathynellidae)

Specimens were analyzed using 18S and COI gene sequencing for molecular characterization.

0 papers
analytical

Molecular clock analysis (Pygopodidae)

Method used to root phylogenetic trees when outgroup taxa create long-branch attraction problems.

0 papers
analytical

Multi-laboratory geochemical analysis

Analysis of samples for mineral composition, element composition, and nitrogen chemistry at multiple laboratories.

0 papers
analytical

Multiple Linear Regression Modeling

Statistical modeling approach to estimate salinity and selenium loads using geospatial and water-quality data as predictors.

0 papers
analytical

ND2 gene sequencing

Sequencing of 648 or 889 base pair region of the ND2 gene for at least 10 individuals from 53 contemporary populations to determine haplotype variation.

0 papers
analytical

ND2 gene sequencing (Animalia)

Sequencing of mitochondrial ND2 gene regions for phylogenetic analysis of cutthroat trout lineages.

0 papers
analytical

NDVI calculation from NAIP imagery

Calculation of Normalized Differential Vegetation Index from 4-band aerial imagery using (NIR-Red)/(NIR+Red) formula.

0 papers
analytical

NMDS analysis preparation

Sample day by species matrix preparation for Non-metric Multidimensional Scaling analysis of vouchered bee data.

0 papers
analytical

NMR processing

Nuclear magnetic resonance data processed to determine T2 relaxation time distribution for water content and geometric mean calculations.

0 papers
analytical

NOAA degree-day data compilation (Animalia)

Compilation and processing of NOAA weather data for degree-day calculations from 1950-2015. Temperature data aggregation for thermal ecology analysis.

0 papers
analytical

Object-oriented classification

Used eCognition software with RGB bands and normalized difference water index (NDWI) to classify channel water surface from imagery.

0 papers
analytical

Oil and gas resource assessment

USGS Central Region Energy Team method for assessing oil and gas resources by defining provinces, Total Petroleum Systems, and Assessment Units based on geological characteristics.

0 papers
analytical

Orthorectification

Geometric processing method required to convert raw-space data to map-space surface reflectance.

0 papers
analytical

Overlap estimation

Overlap estimates used to evaluate temporal changes within and between elevations.

0 papers
analytical

PERMANOVA testing

Statistical testing of contribution of season, depth and location on viral community structure.

0 papers
analytical

POPS Data Post-Correction

Data cleaning and post-correction process to remove bad values from raw POPS measurements, providing ready-to-use datasets.

0 papers
analytical

Parametric bootstrapping (Pygopodidae)

Statistical method used to determine the most plausible branching schemes linking taxonomic groups.

0 papers
analytical

Paternity analysis (Pinaceae)

Genetic analysis using nuclear microsatellite markers to determine paternal parentage and pollen dispersal patterns.

0 papers
analytical

Petrophysical relationship analysis

Derivation of hydraulic permeability and porosity from ERT data through petrophysical relationships for model parameterization.

0 papers
analytical

Phylogenetic analysis (Plantae)

Analysis of evolutionary relationships and taxonomic classification to understand angiosperm radiation into freezing environments.

0 papers
analytical

Phylogenetic analysis (Pygopodidae)

Analysis of mitochondrial DNA, nuclear DNA, and morphological data using parsimony, maximum likelihood, and Bayesian methods.

0 papers
analytical

Phylogenetic comparative approach (Asteraceae)

Used to examine evolution of leaf economics spectrum across 28 species of Helianthus across environmental gradients.

0 papers
analytical

Phylogenetic generalized least squares regression (Proteaceae)

Used to investigate evolutionary pathways of traits and climatic niches and their effect on diversification rates.

0 papers