social network analysis
A method used to quantify social relationships that not only quantifies the direct relationship between a focal individual and its social partners, but also describes the position of the focal individ...
reciprocal transplant experiment
Experimental approach where organisms from different source populations are grown in different environments to test for local adaptation
mark-recapture
Method for estimating demographic parameters by marking individuals and tracking recapture histories over time
NDVI
Normalized Difference Vegetation Index, derived from satellite imagery to estimate vegetation greenness and photosynthetic activity
spectral reflectance
Light absorption and reflection properties of tissues that vary with chemical composition and structure
canopy surface area
centrality measures
Network statistics that quantify the importance or influence of individuals within social networks, including degree, closeness, betweenness, and eigenvector centrality
forecast skill
The accuracy of predicted values using root mean square error to assess model performance
acoustic playback experiment
Experimental technique using recorded sounds played back to animals to test behavioral or physiological responses to acoustic stimuli
correlation coefficient
dendroecological reconstruction
Method of reconstructing past forest conditions using tree-ring data to determine establishment dates and estimate historical stand structure
structural equation modeling
Statistical approach allowing estimation of directional relationships among variables and comparison of direct versus indirect effects
spatial autocorrelation
The degree to which values at nearby locations are correlated, used to assess spatial clustering in disease patterns
meta-analysis
Quantitative synthesis of results from multiple independent studies to identify general patterns
focal animal sampling
Behavioral observation method where a single individual is observed continuously for a fixed time period
phylogenetically independent contrasts
A method to test for phylogenetic signal by comparing empirical data variance to variance from randomly reshuffled species identities across trait data sets
camera trapping
Non-invasive wildlife monitoring technique using motion-triggered cameras to detect and photograph animals
coefficient of variation
Statistical measure of variation used to quantify family-guild variation and compare across different taxonomic groups
complexity
imaging spectroscopy
High fidelity remote sensing data collection using hyperspectral sensors to capture contiguous spectral bands for vegetation and surface characterization
open-top chambers
Transparent chambers commonly used in climate change experiments to raise air and soil temperature in remote areas by creating a passive warming effect
model performance evaluation
Statistical assessment of how well model outputs match observational data using metrics like correlation and efficiency measures
network representation
resting metabolic rate
The rate of energy expenditure for basic physiological maintenance processes, measured as CO₂ emission rate.
root weight fraction
The ratio of dry root weight to total dry plant weight, used as an indicator of soil nutrient availability with higher values indicating nutrient-poor conditions
thermal imaging
Use of infrared technology to measure surface temperatures of objects
uncertainty estimation
Akaike Information Criterion
A model selection criterion that balances goodness of fit with model complexity by penalizing models with more parameters
acoustic localization
Method to determine the spatial origin of sound sources using arrays of microphones and signal processing techniques
data synthesis
ensemble learning
Machine learning approach that combines multiple algorithms to improve predictive performance and robustness
genome-wide association study
Statistical approach to identify genetic variants associated with traits by scanning the entire genome
intraclass correlation coefficient
Statistical measure of repeatability that tests individual consistency of a continuous variable by comparing within-subject and between-subject variation
percent cover
The percentage of ground area covered by a particular plant species when viewed from above
Relative Euclidean Distance
connectedness
electrical conductivity
Soil electrical conductivity measured via electrical resistivity tomography to estimate soil moisture and subsurface properties
ground-penetrating radar
Geophysical method using electromagnetic waves to measure subsurface properties including snow density through travel-time analysis
spatial gradients
viewing azimuth angle
R2
chromatic contrast
Color-based visual contrast as perceived by animal visual systems
chronological age
collection efficiency
downscaling approach
feature importance
Measure of the relative contribution of each predictor variable obtained by calculating mean decrease in mean square error
individual-based rarefaction
Statistical method to compare species richness across samples by generating accumulation curves based on individual encounters
linear mixed effects model
Statistical model accounting for both fixed and random effects to analyze hierarchical or repeated measures data
maximum entropy inference
Statistical inference procedure that selects flattest probability distributions compatible with constraints imposed by prior knowledge
