diff --git a/src/envo/envo-edit.owl b/src/envo/envo-edit.owl
index 7b69a94f..29110a70 100644
--- a/src/envo/envo-edit.owl
+++ b/src/envo/envo-edit.owl
@@ -3611,6 +3611,8 @@ Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105011>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105012>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105013>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105019>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105022>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105023>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105101>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105102>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105103>))
@@ -40524,6 +40526,39 @@ AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#inSubset> <htt
 AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105019> "quality of a foam"@en)
 SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105019> <http://purl.obolibrary.org/obo/PATO_0001018>)
 
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105022> (fouling)
+
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://en.wikipedia.org/wiki/Fouling>) Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://www.corrosionpedia.com/definition/540/fouling>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105022> "A material accumulation process during which material builds up on a solid surface such that a function of that surface, or the object it is a part of, is impaired."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105022> <https://orcid.org/0000-0002-2996-719X>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105022> <https://orcid.org/0000-0003-1072-8081>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105022> <http://orcid.org/0000-0002-8166-0486>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/ENVO_06105022> "2021-05-11T19:24:44Z"^^xsd:dateTime)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105022> "Fouling"@de)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105022> "incrostazione"@it)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105022> "incrustación"@es)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#inSubset> <http://purl.obolibrary.org/obo/ENVO_06105022> "envoPlastics"@en)
+AnnotationAssertion(rdfs:comment <http://purl.obolibrary.org/obo/ENVO_06105022> "Following BFO:function semantics, this suggests that the functions of the object of which the surface is a part are affected in their realisation in one or more processes."@en)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105022> "fouling"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105022> <http://purl.obolibrary.org/obo/ENVO_03000009>)
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105023> (biofouling)
+
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://doi.org/10.1098/rsta.2011.0502>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105023> "A fouling process during which biological matter accumulates on a solid surface."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105023> <https://orcid.org/0000-0002-2996-719X>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/contributor> <http://purl.obolibrary.org/obo/ENVO_06105023> <https://orcid.org/0000-0003-1072-8081>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105023> <http://orcid.org/0000-0002-8166-0486>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/ENVO_06105023> "2021-05-11T19:26:55Z"^^xsd:dateTime)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105023> "bio-incrostazione"@it)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105023> "bio-incrustación"@es)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/ENVO_06105023> "biological fouling"@en)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasNarrowSynonym> <http://purl.obolibrary.org/obo/ENVO_06105023> "Makrofouling"@de)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasNarrowSynonym> <http://purl.obolibrary.org/obo/ENVO_06105023> "Mikrofouling"@de)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasRelatedSynonym> <http://purl.obolibrary.org/obo/ENVO_06105023> "Bewuchs"@de)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#inSubset> <http://purl.obolibrary.org/obo/ENVO_06105023> "envoPlastics"@en)
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://doi.org/10.1098/rsta.2011.0502>) rdfs:comment <http://purl.obolibrary.org/obo/ENVO_06105023> "The biological matter can be microscale (e.g. biofilms created by microorganism) and macroscale (created by macroorganism)."@en)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105023> "biofouling"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105023> <http://purl.obolibrary.org/obo/ENVO_06105022>)
+
 # Class: <http://purl.obolibrary.org/obo/ENVO_06105101> (plastic)
 
 AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://readanddigest.com/what-is-plastic/>) Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://www.britannica.com/science/plastic#ref82461>) Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://www.lexico.com/definition/plastic>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105101> "An environnmental material which 1) is composed primarily of polymers with high molecular mass and 2) once deformed does not spontaneously return to its original shape."@en)