Prototype KG‑aware adaptation of the BioPortal interface. Graph pages generated from live KG‑Registry metadata; tool links go to the live BioPortal.
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ENVO

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Environment Ontology

KGXBioPortal ontologyv2026-06-26CC0 1.0
Visibility: Public

A KGX transformation of the BioPortal ontology Environment Ontology (ENVO), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

8,323
Nodes
15,458
Edges
2026-06-26
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
ENVO.tar.gz
8K nodes · 15K edges
Base graph is the full graph

This ontology declares no imports, so its base graph already is its full graph; nothing separate was built.

The graph contains ENVO_nodes.tsv and ENVO_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 13 categories across 8,323 nodes

PhysicalEntity2,773
NamedThing2,069
Attribute673
AnatomicalEntity624
MolecularEntity614
Activity431
EnvironmentalFeature385
Food325
OrganismTaxon193
ChemicalEntity104
Procedure72
BiologicalProcessOrActivity45
InformationContentEntity15

An item carrying more than one category is counted under each, so these counts can add up to more than the total.

How they were assigned 6,254 of 8,323 nodes (75.1%)

15is a seed term whose Biolink class is not in doubt
6,239inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 15,458 edges

Association15,458

An item carrying more than one category is counted under each, so these counts can add up to more than the total.