gas chromatography-mass spectrometry
Analytical technique combining gas chromatography separation with mass spectrometry identification for analyzing volatile compounds
herbarium collections
Preserved plant specimens that are picked in the field, pressed flat, dried and attached to archival-grade paper with relevant information recorded, then stored in climate-controlled cabinets
individual tree detection
Automated algorithms for identifying and delineating individual trees from LiDAR point cloud data
individual-based model
Computational model that simulates individual organisms and their life histories to understand population-level patterns
lethal sampling
Sampling methods that result in the death of collected organisms, potentially affecting population abundance and community structure
limits of detection
magnetic properties
maximum likelihood estimation
Statistical method that estimates parameters by maximizing the likelihood function of observed data
mean Doppler velocity
multicollinearity
Statistical phenomenon where predictor variables are correlated, potentially masking individual effects in regression analysis
multiscale measurements
Measurements spanning multiple spatial and temporal scales within a watershed
partial least squares regression
Statistical modeling approach using spectral reflectance measurements to extrapolate functional trait values
posterior predictive distribution
principal component analysis
Statistical method used to identify the structuring factors driving life-history variation and to detect slow-fast continuum patterns
sampling efficiency
Measure of how effectively a sampling method captures target organisms relative to processing time and effort
scaling relationships
sensor integration
sensor network
Distributed network of environmental sensors measuring diverse phenomena across watershed for understanding and predicting watershed behavior
skew
sliding-window analysis
Statistical approach that tests all possible combinations of climate drivers and temporal windows to identify optimal predictive time scales
spectral width
spectrogram correlation
Quantitative measure of acoustic similarity between sounds, ranging from 0 to 1.0 with higher correlations indicating more similar sounds
standardized effect size
A metric that compares observed values to null model expectations, calculated as (observed - expected) / standard deviation of null distribution
sustainability
temporal synthesis
Integration of time-series data across different temporal resolutions and scales
trait covariance
visual modeling
Computational approach to predict how visual signals are perceived by animal visual systems
Accuracy
Bateman's index
Constancy index that distinguishes between complete constancy, random transitions, and complete inconstancy
Bayesian retrieval
Statistical approach using prior information and measurement uncertainties to optimally estimate atmospheric properties
COVID-19 field research protocols
Safety procedures including isolation, testing, and capacity restrictions to enable field research during pandemic
F-score
Harmonic mean of precision and recall used to evaluate classification model performance
Intrinsic Value
Julian day
Day of year from 1-365 used to measure timing of biological events
Long Short-Term Memory
Type of recurrent neural network capable of learning temporal dependencies in sequential data through gated memory cells
STEM retention
Keeping students engaged and continuing in Science, Technology, Engineering, and Mathematics fields
XANES fitting
X-ray Absorption Near Edge Structure spectroscopy fitting method using reference compound spectra to identify chemical species
age-detrended growth
Growth measurements adjusted to remove the effect of age-dependent growth patterns, allowing isolation of environmental factors on growth
among-individual correlation
Correlation between behavioral traits at the individual level, estimated while controlling for within-individual variation and environmental effects
ash-free dry mass
Standard measure of organic biomass determined by ashing samples to remove inorganic material
avian tetrachromatic color space
Mathematical representation of color perception in birds based on stimulation of four cone types (UV/violet-sensitive, short-wave-sensitive, medium-wave-sensitive, long-wave-sensitive)
biophysical models
Tools implemented to accurately predict an organism's physiological response to attributes of interest such as water loss and body temperature
closure temperature
Temperature below which a thermochronological system retains daughter products, ~70°C for apatite He system
clustering approach
coercivity spectra
collaborative sensing
Approach where multiple distributed sensors work together to achieve better performance than individual sensors
computational skills
confidence intervals
covariance reaction norm
Statistical model allowing phenotypic correlations between traits to vary continuously with environmental predictors
data archiving
The practice of making research data publicly available for verification and reuse
