diff --git a/MWS1/EBV15.ttl b/MWS1/EBV15.ttl
new file mode 100644
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+++ b/MWS1/EBV15.ttl
@@ -0,0 +1,22 @@
+@prefix dcat: <http://www.w3.org/ns/dcat#> .
+@prefix dcterms: <http://purl.org/dc/terms/> .
+@prefix ns1: <https://w3id.org/iadopt/ont/> .
+@prefix ns2: <https://w3id.org/ad4gd/model/> .
+@prefix ns3: <http://purl.obolibrary.org/obo/> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+
+<http://w3id.org/ad4gd/ev/ebv/CC_com_MA_macroinvertebrate_PN> a <http://w3id.org/ad4gd/ev/EBV>,
+        skos:Concept,
+        ns1:Variable ;
+    skos:broader <http://w3id.org/ad4gd/ev/ebv/Community_abundance> ;
+    skos:definition "Total amount (abundance) of soft-bottom benthic macroinvertebrate communities within spatial units over time" ;
+    skos:inScheme <http://w3id.org/ad4gd/ev/ebv> ;
+    skos:narrower <http://w3id.org/ad4gd/ev/ebv/CC_com_MA_macroinvertebrate_PN_Prod1> ;
+    skos:prefLabel "Community abundance of marine macroinvertebrate predicted number" ;
+    ns1:hasConstraint <http://w3id.org/ad4gd/ev/ebv/entity/softBottomBenthic> ;
+    ns1:hasMatrix <http://w3id.org/ad4gd/ev/ebv/entity/marine> ;
+    ns1:hasObjectOfInterest <http://w3id.org/ad4gd/ev/ebv/entity/macroinvertebrate> ;
+    ns1:hasProperty <http://w3id.org/ad4gd/ev/ebv/entity/predictedNumber> .
+