Tallo: A Global Tree Allometry and Crown Architecture Database V1

TALLO/TALLO_V1
Dataset Availability
2022-06-08T00:00:00Z–2022-06-09T00:00:00Z
Dataset Producer
Earth Engine Snippet
ee.FeatureCollection.loadBigQueryTable('earth-engine-public-data.tallo.tallo_v1')
Tags
bigquery biodiversity biomass canopy ecosystems forest forest-biomass height species

Description

The Tallo database is a global collection of 498,838 georeferenced and taxonomically standardized individual-tree records compiled across 61,856 sampling sites globally. Spanning 5,163 tree species, 1,453 genera, and 187 plant families, Tallo provides individual-tree measurements of stem diameter (DBH), total tree height, and mean crown radius across all major terrestrial biomes.

The database was created to support research in forest ecology, remote sensing, and global vegetation carbon modeling. It is described in detail in Jucker et al. (2022).

This dataset is available through BigQuery at earth-engine-public-data.tallo.tallo_v1.

BigQuery Table Schema

Table Schema

Name Type Description
tree_id STRING

Unique identifier for each individual tree record in the Tallo database

division STRING

Major taxonomic division (Angiosperm or Gymnosperm)

family STRING

Taxonomic family of the tree (e.g. Rubiaceae, Pinaceae, Fabaceae)

genus STRING

Taxonomic genus of the tree (e.g. Coprosma, Pinus, Quercus)

species STRING

Binomial scientific name of the tree species (e.g. Coprosma ochracea)

latitude DOUBLE

Latitude of the sampling location in decimal degrees (WGS84)

longitude DOUBLE

Longitude of the sampling location in decimal degrees (WGS84)

geo_point GEOMETRY

Geographic point geometry (WGS84)

stem_diameter_cm DOUBLE

Stem diameter at breast height (DBH) in centimeters

height_m DOUBLE

Total tree height in meters

crown_radius_m DOUBLE

Mean crown radius of the tree in meters

height_outlier STRING

Outlier flag for tree height measurement (Y = outlier, N = valid)

crown_radius_outlier STRING

Outlier flag for crown radius measurement (Y = outlier, N = valid)

reference_id INT

Numerical identifier linking record to contributing data source citation

Terms of Use

CC-BY-4.0

Terms of Use

Terms of Use

CC-BY-4.0

Citations

Citations:
  • Jucker, T., Fischer, F. J., Chave, J., Coomes, D. A., Caspersen, J., Ali, A., ... & Zavala, M. A. (2022). Tallo: A global tree allometry and crown architecture database. Global Change Biology, 28(17), 5254-5268. doi:10.1111/gcb.16302

  • Jucker, T., Fischer, F. J., Chave, J., Coomes, D. A., Caspersen, J., Ali, A., ... & Zavala, M. A. (2022). Tallo: a global tree allometry and crown architecture database (Version 1.0.0) [Data set]. Zenodo. doi:10.5281/zenodo.6637599

DOIs

Explore with Earth Engine

Code Editor (JavaScript)

// Load the Tallo database using the BigQuery connector.
var dataset = ee.FeatureCollection.loadBigQueryTable(
  'earth-engine-public-data.tallo.tallo_v1'
);

var tallTrees = dataset.filter(ee.Filter.gte('height_m', 30.0));

Map.setCenter(0, 20, 2);
Map.addLayer(dataset, {color: '228b22'}, 'All Tallo Trees');
Map.addLayer(tallTrees, {color: 'ff0000'}, 'Trees >= 30m');
Open in Code Editor