Protocols

Uses full-waveform LiDAR returns processed through adaptive deconvolution and individual tree detection algorithms to map forest structure metrics including tree density, height distributions, and bas...

Wood samples are sectioned into sub-annual increments and cellulose is extracted for oxygen and carbon isotope analysis to assess seasonal water sources and water use efficiency in trees.

Standard increment boring technique to extract tree cores for measuring annual ring widths, then calculating basal area increment over specific time periods to quantify stem growth.

Collection and isotopic analysis of xylem and soil water to determine plant water sources using δ18O and δ2H signatures combined with Bayesian mixing model to quantify proportional contributions from ...

Extraction of environmental variables from spatial data platform using zonal functions to calculate average climate values within tree polygon boundaries. Integrates snowpack, temperature, and topogra...

Continuous measurement of tree water transport using thermal dissipation sensors with temperature measurements at multiple depths in sapwood to calculate sap velocity via heat pulse methodology.

Region-growing algorithm that iteratively incorporates LiDAR points into candidate tree canopies starting from seed locations identified as local height maxima with height-dependent neighborhoods.

Photographic analysis using ImageJ software with ellipsis tool to quantify percent vegetation coverage around each sampling point as a fraction of total photographed area.

A two-stage Bayesian hierarchical approach that identifies unique individuals across LiDAR scans by modeling observed locations as noisy transformations of latent true locations, then propagates linka...

Cellulose extraction using Brendel method followed by pyrolysis at 1400°C and isotopic ratio measurement by GC-IRMS.

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