Semantic resource visits

(June 2026)

# name visits
1 FuTRES Ontology of Vertebrate Traits (FOVT) 21,321
2 An ontology of core ecological entities (ECOCORE) 12,334
3 Chemical Functional Ontology (CHEMFONT) 12,149
4 ACTRIS Vocabulary (ACTRIS_VOCAB) 3,497
5 Traits Thesaurus (TRAITS_THES) 3,009
6 Coastal and Marine Ecological Classification Standard Catalog (CMECS) 2,066
7 SnowTerm Thesaurus (SNOWTERM) 2,045
8 Environmental Thesaurus (ENVTHES) 1,860
9 Geologic Units (GEOLOGIC_UNITS) 1,181
10 Social Insect Behavior Ontology (SIBO) 1,051
11 Paleoenvironmental Standard Terms (PaST) Thesaurus (PAST) 936
12 ISO 639-2: Codes for the Representation of Names of Languages - Part 2: Alpha-3 Code for the Names of Languages (ISO_639-2) 928
13 Soil Food Web Ontology (SFWO) 798
14 The Ecosystem Services Monitoring Ontology (ESMO) 794
15 EuroVoc (EUROVOC) 783
16 Environmental Research Infrastructures Thesaurus (ERITHES) 777
17 CODATA Research Data Management Terminology (CODATA-RDMT) 669
18 Biodiversity Thesaurus (BIODIVTHES) 610
19 ACTRIS Controlled Lists (ACTRIS_CL) 530
20 Sandy Beach Thesaurus (SBTHES) 429
21 FAIR Implementation Profile (FIP) Ontology (FIP_ONTOLOGY) 410
22 eLTER Controlled Lists (ELTER_CL) 401
23 Alien Species Thesaurus (ALIENSPECIES) 401
24 Geologic Structures (GEO_STRUCTURES) 390
25 FRBR-aligned Bibliographic Ontology (FABIO) 388
26 Audubon Core Controlled Vocabulary for Dublin Core format (ACFORMAT) 383
27 Invasion Biology Ontology (INBIO) 349
28 Macroalgae Traits Thesaurus (MACROALGAETRAITS) 339
29 WISE Classification system (WISE_CLASS) 255
30 The Paleo Proxy Ontology (PALEO_PROXY) 245
31 Lithology (LITHOLOGY) 216
32 Ecological Trait-data Standard (ETS) 203
33 The Ecosystem Ontology (ECSO) 182
34 The Extensible Observation Ontology (OBOE) 161
35 The DMP Common Standard Ontology (DCSO) 153
36 EUNIS habitats (EUNIS_HABITATS) 147
37 The Linked Earth Core Ontology (LIPD_ONTOLOGY) 140
38 I-ADOPT Framework ontology (I-ADOPT) 104
39 Phytoplankton VRE Thesaurus (PHYTOVRE) 91
40 Ecotoxicology thesaurus (ECOTOXICTHES) 78
41 Darwin Core Pathway Controlled Vocabulary (DWCPW) 76
42 Ontology of Integrated Carbon Observation System (ICOS) (CPMETA) 72
43 Fish Traits Thesaurus (FISHTRAITS) 68
44 Endemisms Thesaurus (ENDEMISMS) 56
45 Biomass VRE Thesaurus (BIOMASSVRE) 51
46 Biogeographical regions (BIOREGIONS) 50
47 Audubon Core variant Controlled Vocabulary (ACVARIANT) 48
48 BioCollections Ontology (BCO) 43
49 Phytoplankton Traits Thesaurus (PHYTOTRAITS) 39
50 EuroSciVoc (EUROSCIVOC) 33
51 The Interpretation Ontology (INTERPRETATION) 30
52 Darwin-SW (DSW) 28
53 Field of science and technology classification (FOS) 27
54 Marine Regions PlaceTypes code list (MRPTCODELIST) 26
55 Marine Regions ontology (MR) 24
56 MarineTLO Ontology (MARINETLO) 24
57 eurio (EURIO) 22
58 AGROVOC (AGROVOC) 20
59 The Wildlive Monitoring Ontology (WLMO) 18
60 GeoSpecies Ontology (GEOSP) 15
61 Population and Community Ontology (PCO) 11
62 Plant-Pollinator Interactions (PPI) 10
63 The Paleo Units Ontology (PALEO_UNITS) 10
64 UMLS Semantic Network (STY) 7
65 Sustainable Meat Systems Ontology (SUMSO) 6
66 Porifera Ontology (PORO) 5
67 LifeWatch ERIC Upper Ontology (LUPO) 5
68 LifeWatch Italy Semantic Platform Ontology (SPO) 4
69 Annex I habitats for Natura 2000 (N2000_HABITATS) 4
70 Darwin Core Establishment Means Controlled Vocabulary (DWCEM) 4
71 Darwin Core Degree Of Establishment Controlled Vocabulary (DWCDOE) 4
72 Zooplankton Traits Thesaurus (ZOOPLANKTRAITS) 2
73 Marine Strategy Framework Directive Vocabulary (MSFDVOCAB) 2
74 The Linked Earth Instrument Ontology (INSTRUMENT) 2
75 The Provenance of Emission Calculations Ontology (PECO) 1
76 FAIR Vocabulary (FAIR_VOCABULARY) 1
77 USGS Thesaurus (USGSTHES) 0
78 Data Categories for Marine Planning (MPD) 0
79 Common geographic areas (CGA) 0
80 The Archive Type Ontology (ARCHIVE) 0
81 Audubon Core subtype Controlled Vocabulary (ACSUBTYPE) 0