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Table 3 Range and ΔS° of salinity of water from burrows of Neohelice granulata (S° burrow) in mudflat and salt marsh in three sites Mar Chiquita, Bahía Blanca and San Antonio Bay, and four seasons (winter, spring, summer and autumn)

From: The influence of habitat, season and tidal regime in the activity of the intertidal crab Neohelice (=Chasmagnathus) granulata

  Mudflat Salt marsh
S° burrow Δ S S° burrow Δ S
Mar Chiquita     
 Winter 40–27 13 40–32 8
 Spring 45–32 13 47–32 15
 Summer 40–10 30 40–26 14
 Autumn 34–21 13 35–30 5
 Mean, SD   17.2, 8.5   10.5, 4.8
Bahía Blanca     
 Winter 40–34 6 40–33 7
 Spring 45–35 10 51–40 11
 Summer 63–50 13 57–42 15
 Autumn 40–35 5 38–34 4
 Mean, SD   8.5, 3.7   9.2, 4.8
San Antonio     
 Winter 42–36 6 40–35 5
 Spring 52–40 12 46–39 7
 Summer 54–37 17 43–36 7
 Autumn 50–37 13 43–36 7
 Mean, SD   12, 4.5   6.5, 1
  1. Bold types indicate significant differences among mean ΔS° between mudflat and salt marsh (t test, p < 0.05)