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Table 8 Survival and tolerance temperature range for four kelp species found in Brittany (from Belsher and Boyen 1983; Lüning 1984; tom Dieck (Bartsch) 1993; Birkett et al. 1998; Müller et al. 2008)

From: Regional-scale analysis of subtidal rocky shore community

Species Survival temperature range of gametophytes Upper tolerance temperature range (growth/reproduction)
Lower survival temperature Upper survival temperature Sporophyte Gametophyte
Laminaria digitata −1.5 20–24 20 °C/19 °C Upper : 17 °C/18 °C
Laminaria hyperborea −1.5 22–23 20 °C/15 °C 21 °C/below 18 °C
Laminaria ochroleuca 1 25 22–23 °C/a a/21 °C
Saccorhiza polyschides 1–>1 23–24 24 °C/a 25 °C/below 17 °C
Halidrys siliquosa   25 a a
Sargassum muticum −9 30 a a
  1. aUndetermined