Semantic resource visits

(November 2025)

# name visits
1 Traits Thesaurus (TRAITS_THES) 1,187
2 Phytoplankton Traits Thesaurus (PHYTOTRAITS) 159
3 Environmental Research Infrastructures Thesaurus (ERITHES) 128
4 Coastal and Marine Ecological Classification Standard Catalog (CMECS) 127
5 Environmental Thesaurus (ENVTHES) 123
6 Zooplankton Traits Thesaurus (ZOOPLANKTRAITS) 111
7 EUNIS habitats (EUNIS_HABITATS) 108
8 Chemical Functional Ontology (CHEMFONT) 103
9 Fish Traits Thesaurus (FISHTRAITS) 63
10 Field of science and technology classification (FOS) 53
11 EuroVoc (EUROVOC) 47
12 EuroSciVoc (EUROSCIVOC) 41
13 AGROVOC (AGROVOC) 39
14 ACTRIS Vocabulary (ACTRIS_VOCAB) 38
15 Biodiversity Thesaurus (BIODIVTHES) 29
16 Ontology of Integrated Carbon Observation System (ICOS) (CPMETA) 21
17 Sandy Beach Thesaurus (SBTHES) 19
18 Paleoenvironmental Standard Terms (PaST) Thesaurus (PAST) 19
19 The Ecosystem Services Monitoring Ontology (ESMO) 18
20 I-ADOPT Framework ontology (I-ADOPT) 16
21 Geologic Units (GEOLOGIC_UNITS) 14
22 The Extensible Observation Ontology (OBOE) 13
23 eLTER Controlled Lists (ELTER_CL) 13
24 The Ecosystem Ontology (ECSO) 13
25 Soil Food Web Ontology (SFWO) 12
26 Marine Regions PlaceTypes code list (MRPTCODELIST) 12
27 ISO 639-2: Codes for the Representation of Names of Languages - Part 2: Alpha-3 Code for the Names of Languages (ISO_639-2) 12
28 Alien Species Thesaurus (ALIENSPECIES) 11
29 Population and Community Ontology (PCO) 10
30 Annex I habitats for Natura 2000 (N2000_HABITATS) 10
31 FRBR-aligned Bibliographic Ontology (FABIO) 9
32 LifeWatch ERIC Upper Ontology (LUPO) 8
33 The Archive Type Ontology (ARCHIVE) 8
34 UMLS Semantic Network (STY) 7
35 SnowTerm Thesaurus (SNOWTERM) 7
36 The Paleo Units Ontology (PALEO_UNITS) 7
37 MarineTLO Ontology (MARINETLO) 7
38 FuTRES Ontology of Vertebrate Traits (FOVT) 7
39 Darwin-SW (DSW) 7
40 The DMP Common Standard Ontology (DCSO) 7
41 Macroalgae Traits Thesaurus (MACROALGAETRAITS) 6
42 Lithology (LITHOLOGY) 6
43 The Linked Earth Core Ontology (LIPD_ONTOLOGY) 6
44 The Interpretation Ontology (INTERPRETATION) 6
45 Darwin Core Pathway Controlled Vocabulary (DWCPW) 6
46 Geologic Structures (GEO_STRUCTURES) 5
47 Endemisms Thesaurus (ENDEMISMS) 5
48 Audubon Core variant Controlled Vocabulary (ACVARIANT) 5
49 Audubon Core subtype Controlled Vocabulary (ACSUBTYPE) 5
50 Invasion Biology Ontology (INBIO) 4
51 Ecotoxicology thesaurus (ECOTOXICTHES) 4
52 CODATA Research Data Management Terminology (CODATA-RDMT) 4
53 Biogeographical regions (BIOREGIONS) 4
54 BioCollections Ontology (BCO) 4
55 ACTRIS Controlled Lists (ACTRIS_CL) 4
56 The Paleo Proxy Ontology (PALEO_PROXY) 3
57 The Linked Earth Instrument Ontology (INSTRUMENT) 3
58 Ecological Trait-data Standard (ETS) 3
59 Audubon Core Controlled Vocabulary for Dublin Core format (ACFORMAT) 3
60 Marine Strategy Framework Directive Vocabulary (MSFDVOCAB) 2
61 FAIR Vocabulary (FAIR_VOCABULARY) 2
62 eurio (EURIO) 2
63 An ontology of core ecological entities (ECOCORE) 2
64 WISE Classification system (WISE_CLASS) 1
65 Social Insect Behavior Ontology (SIBO) 1
66 Plant-Pollinator Interactions (PPI) 1
67 Marine Regions ontology (MR) 1
68 Darwin Core Establishment Means Controlled Vocabulary (DWCEM) 1
69 Sustainable Meat Systems Ontology (SUMSO) 0
70 Porifera Ontology (PORO) 0
71 FAIR Implementation Profile (FIP) Ontology (FIP_ONTOLOGY) 0
72 Darwin Core Degree Of Establishment Controlled Vocabulary (DWCDOE) 0