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Table 2 Number of Kalyptorhynchia species in 15 sites of the northern Wadden Sea tidal inlets, studied 1982–1984 and 2018, and similarity of species composition between sites

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

SiteNo. of Kalyptorhynchia speciesSimilarity
1982–1984 total2018 totalPresent in both periodsPresent only in 1982–1984Present only in 2018Sørensen’s index (%)Jaccard’s index (%)
12702700
32502500
4111011100
5203119295
64104100
26112011200
271211110158
292002000
302002000
314004000
32371262011
341251114126
351487716447
374004000
395205200
Average6.53.50.75.83.08.05.1
All sites5334213114