EnvironmentOntology/envo

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A community-driven ontology for the representation of environments

Is EnvironmentOntology/envo beginner-friendly?

In the last 30 days, EnvironmentOntology/envo merged 11 of 14 pull requests from outside contributors, and its maintainers usually reply within 1 day. 2 beginner-friendly issues are open now.

Stars: 172
Forks: 54
Open beginner issues: 2
Indexed issues: 555
Avg merge: 23h 27m
Merged PRs (30d): 13

Dominant language: Makefile
License: CC0-1.0
Last GitHub push: Oct 29, 2026
Latest indexed: Oct 30, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

How to contribute to EnvironmentOntology/envo

Read the contributing guide first: it says how the maintainers want changes proposed, tested and reviewed.
Your contributions will be published under the project's CC0-1.0 license.
Pick one of the 2 open beginner-friendly issues below and comment that you want to work on it before you start.

Beginner friendly Everything

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Issues somebody may already be working on are listed last. List everything by date

Build mirror/uberon.owl from uberon-base.owl with ROBOT instead of converting uberon.obo with owltools
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 35/100

EnvironmentOntology/envo#1703 · Opened Nov 2, 2026

Maintainers usually reply within 1 day
The ROBOT reports in CI skip the import closure, so problems from imports go unreported
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 35/100

EnvironmentOntology/envo#1701 · Opened Nov 2, 2026

Maintainers usually reply within 1 day
Two PATO classes left envo.owl in the 2026-10-23 release through a partial import refresh
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 28/100

EnvironmentOntology/envo#1683 · Opened Oct 23, 2026

Maintainers usually reply within 1 day
Stale PATO labels in IAO/OBI imports give PATO terms two labels
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 58/100

EnvironmentOntology/envo#1680 · 1 comment · 1 assignee · Opened Oct 23, 2026

Maintainers usually reply within 1 day
Re-parent ENVO classes that sit under obsolete OBI 'planned process'
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 35/100

EnvironmentOntology/envo#1679 · Opened Oct 23, 2026

Maintainers usually reply within 1 day
Scope ENVO:01000257 white smoker definition: acidic examples and thioester claim
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 32/100

EnvironmentOntology/envo#1674 · Opened Oct 7, 2026

Maintainers usually reply within 1 day
NTR: dissolved organic matter
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 30/100

EnvironmentOntology/envo#1673 · Opened Aug 10, 2026

Maintainers usually reply within 1 day
Wiki Documentaiton: Using-ENVO-with-MIxS has broken links
Open
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Difficulty 1/5 Under an hour Newbie friendliness 64/100

EnvironmentOntology/envo#1672 · Opened Jul 31, 2026

Maintainers usually reply within 1 day
NTR: drinking water pipes made of lead
Open
- Is something wrong?
Difficulty 3/5 Half a day Newbie friendliness 35/100

EnvironmentOntology/envo#1671 · Opened Jul 22, 2026

Maintainers usually reply within 1 day
Significant definition changes since 2014 in many terms
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 20/100

EnvironmentOntology/envo#1660 · 1 comment · Opened Jun 2, 2026

Maintainers usually reply within 1 day
What is the license of the envo logo?
Open
- Is something wrong?
Difficulty 1/5 Under an hour Newbie friendliness 20/100

EnvironmentOntology/envo#1655 · Opened May 6, 2026

Maintainers usually reply within 1 day
new terms related to African ecology
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 20/100

EnvironmentOntology/envo#1654 · Opened Mar 26, 2026

Maintainers usually reply within 1 day
NTR: Intestinal Material Terms
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 45/100

EnvironmentOntology/envo#1652 · Opened Dec 14, 2025

Maintainers usually reply within 1 day
NTR: ripening cellar
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 45/100

EnvironmentOntology/envo#1651 · Opened Nov 25, 2025

Maintainers usually reply within 1 day
Terms imported by ENVO will be moving from OBI to COB
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 35/100

EnvironmentOntology/envo#1645 · Opened Sep 29, 2025

Maintainers usually reply within 1 day
biome of soil/water around decomposing bodies
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 25/100

EnvironmentOntology/envo#1643 · Opened Sep 8, 2025

Maintainers usually reply within 1 day
Term for Salt marsh sediment in ENVOEnvironmentMaterial
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 28/100

EnvironmentOntology/envo#1641 · Opened Aug 20, 2025

Maintainers usually reply within 1 day
mapping from obsolete 'ecozone' to 'biogeographic realm' should be verified to ensure semantic equivalence
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 20/100

EnvironmentOntology/envo#1640 · Opened Aug 19, 2025

Maintainers usually reply within 1 day
remove otherwise unelaborated definitions and axioms between two non-ENVO entities
Open
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Difficulty 4/5 3-5 days Newbie friendliness 30/100

EnvironmentOntology/envo#1639 · Opened Aug 19, 2025

Maintainers usually reply within 1 day
New term request: war zone
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 35/100

EnvironmentOntology/envo#1638 · Opened Aug 15, 2025

Maintainers usually reply within 1 day
Collaborator status & revision request (1 import, 4 NTRs)
May be free again @cmrn-rhi claimed this 255 days ago, and no pull request is open. Open
- Is something wrong?
EnvironmentOntology/envo#1637 · 1 assignee · Opened Aug 8, 2025

Maintainers usually reply within 1 day
Rename/new prefered label for "animal construction"
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 45/100

EnvironmentOntology/envo#1628 · Opened May 24, 2025

Maintainers usually reply within 1 day
Mint new terms in ENVO for different layers of `soil_horizon`
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 22/100

EnvironmentOntology/envo#1627 · Opened May 23, 2025

Maintainers usually reply within 1 day
fresh start on makefile cleanup, esp. tests and cleanup
May be free again @turbomam claimed this 531 days ago, and no pull request is open. Open
- Is something wrong?
EnvironmentOntology/envo#1625 · 6 comments · 1 assignee · Opened May 20, 2025

Maintainers usually reply within 1 day
Create guidelines for classifying in ABD vs ecosystem
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 20/100

EnvironmentOntology/envo#1622 · Opened Apr 12, 2025

Maintainers usually reply within 1 day
New term - growth chamber
Open
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Difficulty 3/5 Half a day Newbie friendliness 42/100

EnvironmentOntology/envo#1621 · 1 comment · Opened Apr 8, 2025

Maintainers usually reply within 1 day
NTR: cereal field
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 45/100

EnvironmentOntology/envo#1620 · Opened Apr 8, 2025

Maintainers usually reply within 1 day
Add 'mechanical ecosystem management process' and subclasses
Open
- Is something wrong?
enhancement New term

Difficulty 5/5 Over a week Newbie friendliness 20/100

EnvironmentOntology/envo#1615 · Opened Mar 13, 2025

Maintainers usually reply within 1 day
suggestion: materialize 'part of'
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 35/100

EnvironmentOntology/envo#1614 · 3 comments · 2 reactions · Opened Mar 11, 2025

Maintainers usually reply within 1 day
ROBOT report errors and warnings
May be free again @timalamenciak claimed this 619 days ago, and no pull request is open. Open
- Is something wrong?
enhancement

EnvironmentOntology/envo#1613 · 1 comment · 1 assignee · Opened Feb 21, 2025

Maintainers usually reply within 1 day
Request to add terms for phylogenetic distance, its measurement method, and invasion success
Open
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Difficulty 3/5 1-2 days Newbie friendliness 35/100

EnvironmentOntology/envo#1608 · 1 comment · Opened Feb 10, 2025

Maintainers usually reply within 1 day
full test suite is failing due to missing biome/ecological succession axioms
May be free again @turbomam claimed this 655 days ago, and no pull request is open. Open
- Is something wrong?
EnvironmentOntology/envo#1601 · 17 comments · 1 assignee · Opened Jan 16, 2025

Maintainers usually reply within 1 day
Inconsistent spelling in `rdfs:label`s: harbour, 'artificial harbor' and 'natural harbor'
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 45/100

EnvironmentOntology/envo#1600 · 1 comment · 1 reaction · Opened Jan 16, 2025

Maintainers usually reply within 1 day
Proposed water body reclassification
Open
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Difficulty 5/5 Over a week Newbie friendliness 8/100

EnvironmentOntology/envo#1595 · Opened Jan 14, 2025

Maintainers usually reply within 1 day
Clean up mereology of ocean/sea components
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 20/100

EnvironmentOntology/envo#1594 · Opened Jan 13, 2025

Maintainers usually reply within 1 day
Add adaptive radiation
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 22/100

EnvironmentOntology/envo#1589 · Opened Dec 18, 2024

Maintainers usually reply within 1 day
Separate classification of areas under environmental zone causes confusion: merge these or make these a truly distinct hierarchy
Open
- Is something wrong?
ecosystem classification

Difficulty 5/5 Over a week Newbie friendliness 12/100

EnvironmentOntology/envo#1583 · Opened Dec 16, 2024

Maintainers usually reply within 1 day
Add micro, meso, macroscopic size qualities
May be free again @pbuttigieg claimed this 686 days ago, and no pull request is open. Open
- Is something wrong?
enhancement

EnvironmentOntology/envo#1580 · 1 assignee · Opened Dec 16, 2024

Maintainers usually reply within 1 day
Add IUCN "ecosystem functional groups" to ecosystem hierarchy
Open
- Is something wrong?
ecosystem classification

Difficulty 4/5 3-5 days Newbie friendliness 18/100

EnvironmentOntology/envo#1579 · 6 comments · Opened Dec 14, 2024

Maintainers usually reply within 1 day
Updating to include terms relevant to restoration ecology and conservation
May be free again @timalamenciak claimed this 689 days ago, and no pull request is open. Open
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EnvironmentOntology/envo#1577 · 6 comments · 1 assignee · Opened Dec 12, 2024

Maintainers usually reply within 1 day
Create new "amount" quality
May be free again @pbuttigieg claimed this 691 days ago, and no pull request is open. Open
- Is something wrong?
enhancement possible domain conflict

EnvironmentOntology/envo#1575 · 2 comments · 1 assignee · Opened Dec 11, 2024

Maintainers usually reply within 1 day
Add instances of biogeographic entities
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 25/100

EnvironmentOntology/envo#1573 · Opened Dec 11, 2024

Maintainers usually reply within 1 day
Add bioregion
Open
- Is something wrong?
Difficulty 4/5 3-5 days Newbie friendliness 15/100

EnvironmentOntology/envo#1572 · Opened Dec 11, 2024

Maintainers usually reply within 1 day
Rework ecoregions hierarchy
Open
- Is something wrong?
ecosystem classification enhancement

Difficulty 5/5 Over a week Newbie friendliness 15/100

EnvironmentOntology/envo#1571 · 3 comments · Opened Dec 11, 2024

Maintainers usually reply within 1 day
Add geographic spatiotemporal scales
May be free again @timalamenciak claimed this 690 days ago, and no pull request is open. Open
- Is something wrong?
EnvironmentOntology/envo#1569 · 1 assignee · Opened Dec 11, 2024

Maintainers usually reply within 1 day
new term requests: air humidity day and air humidity night
Open
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Difficulty 3/5 1-2 days Newbie friendliness 32/100

EnvironmentOntology/envo#1563 · 2 comments · Opened Dec 9, 2024

Maintainers usually reply within 1 day
new term requests: air temperature day and air temperature night
Open
- Is something wrong?
Difficulty 3/5 1-2 days Newbie friendliness 45/100

EnvironmentOntology/envo#1562 · 2 comments · Opened Dec 9, 2024

Maintainers usually reply within 1 day
Rework "facility" branch
May be free again @pbuttigieg claimed this 696 days ago, and no pull request is open. Open
- Is something wrong?
axiomatization enhancement

EnvironmentOntology/envo#1560 · 2 comments · 1 assignee · Opened Dec 6, 2024

Maintainers usually reply within 1 day
Rework shrubland ecosystems and biomes
Open
- Is something wrong?
ecosystem classification

Difficulty 4/5 3-5 days Newbie friendliness 20/100

EnvironmentOntology/envo#1559 · Opened Dec 6, 2024

Maintainers usually reply within 1 day
obsolete "solid layer" and rewire some of the terms under it
Open
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Difficulty 5/5 Over a week Newbie friendliness 15/100

EnvironmentOntology/envo#1554 · 1 comment · 1 reaction · Opened Nov 25, 2024

Maintainers usually reply within 1 day

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EnvironmentOntology/envo

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