T-Forces  follows internationally standardised protocols and methodologies established by sister network RAINFOR. These can be all be downloaded:


Fieldwork manuals

Plot establishment and remeasurement - revised 2021

Field sheet template for new plots (printable) - Metadata/Trees/Liana - revised 2016

Field codes - Trees - revised 2021

Field codes - Lianas - revised 2014

Liana and Canopy Index


Tree height

Mode of death


Wood density

Intensive soil sampling protocol

Soil and Foliar sampling ES version only

Coarse woody debris protocol- version 2011


Monitoring carbon processes in permanent plots

Carbon monitoring manual (available only in Spanish)

Measuring tropical forest carbon allocation and cycling: RAINFOR-GEM Field Manual for Intensive Census Plots:- updated version May 2012

Respiration equations exercises

Rhizotron equations exercises