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Table 3 Number of Kalyptorhynchia species in 15 sites of the northern Wadden Sea tidal inlets studied 1982-84 and 2018 classified with habitat types, and similarity of species composition between habitat types

From: Analysing long-term change in small benthos: geomorphological dynamics affects method selection

Sediment typeDepth rangeNo of sitesNumber of Kalyptorhynchia speciesSimilarity
1982–198420181982–1984 total2018 totalCombined totalpresent in both periodsSørensen’s similarityJaccard’s index
Fine sand> 10 m332282464025
> 10 m21612171116
Total54261733104730
Medium sand> 10 m5430174162615
> 10 m3413101943521
Total88352549113722
Coarse sand> 10 m10202000
> 10 m13404000
Total23606000
All typesTotal1515533468214731