Materials

OF in GitHub

Open Foris

Handy Shiny apps

Plot grid generator for creating a sampling grid (cluster – plot). Outputs as CSVs and shapefiles.
Bootstrap simulator provides insight into the increase in the accuracy of estimates of the mean as sampling intensity is increased.
Analysis of tree height, as a function of the breast height diameter (DBH) using R package lmfor.

Earth Map materials

Help Center

Collect Earth Online materials

Lectures and recordings

SEPAL materials

Latest documentation

Survey templates for Collect

1a– Forest Inventory. Survey with multiple entities (2 files: .collect, .collect-data) (English)
1b– Data structure and R scripts for Calc (PDF)
2a– Forest Inventory. Simple point sampling survey (2 files: .collect, .collect-data) (English)
2b– Data structure and R scripts for Calc (PDF)
3– Household survey: agricultural production (.collect, .collect-mobile) (English – Portuguese)
4– Forest Inventory. FAO NFMA type inventory (.collect) (English)
5– Forest Inventory template (cluster-plot–several_entities) (.collect) (English-French-Spanish)
6– Forest Inventory template (plot–subplot-several entities) (.collect) (English-French-Spanish)
7– Forest Inventory template (cluster-plot–subplot-several entities) (.collect) (English-French-Spanish)
8– Forest Inventory template (plot–several entities) (.collect) (English-French-Spanish)
9– LUCAS 2018 (Eurostat) land cover & land use survey (English)
Templates for the FAO Forestry Paper 179 “National socioeconomic surveys in forestry”
Handbooks:
-EN: https://www.fao.org/publications/card/en/c/I6206E/
-FR: https://www.fao.org/publications/card/en/c/I6206FR/
-ES: https://www.fao.org/publications/card/es/c/I6206ES/
-EN forms: https://www.fao.org/forestry/forestry-modules/en/
— Household and Community surveys for Collect (.collect) (English-French-Spanish)
— Household and Community surveys for Collect Mobile (.collect-mobile) (separate files for English, French, Spanish)
— In OF Arena these surveys are as templates.

Naming of entities and attributes
in Arena and Collect

R e c o m m e n d a t i o n s f o r n aming of entities, attributes and variables in Arena and Collect (PDF, updated 19/01/2023)
Lists of names (Excel file) (19/01/2023)

Species coding approach for Arena and Collect

Species coding approach for Arena and Collect (PDF)
Species coding – R scripts and sample data (19/12/2018, updated 17/8/2022)

Collect and Calc in a forest inventory project

Technical document for a forest inventory case (PDF)

Tree height estimation with lmfor R package in Arena / Calc

lmfor for height prediction (PDF)
R scripts (text file)