Table 1 Small taxa associated with trends in 2016 (values are for 1–10 m; unrarefied data).

From: Highly-resolved interannual phytoplankton community dynamics of the coastal Northwest Atlantic

ASV

Ave. Rel. Abun. (% ± SD) [Period]

Approximate Cell Sizes (μm3)

ASV49 Arcocellulus mammifer

62 ± 20 [Early Jul]

~11a,*

ASV44 Synechoccocus sp.

21 ± 18 [Late Jul]

~0.38–1.15b

16 ± 11 [Early Aug]

ASV42 T. amphioxeia

21 ± 10 [Late Jul]

~109c

10 ± 8 [Early Aug]

ASV62 Plagiogrammopsis vanheurckii

61 ± 8 [Last Week of Aug]

~372d

56 ± 35 [Sept]

ASV50 Asterionellopsis glacialis

68 ± 18 [Oct]

~1,492c

  1. aUsing dimensions in [87] and formula in [88].
  2. bSee [89, 90].
  3. cMedian of volumes reported at nordicmicroalgae.org (last accessed 14-Apr-2021).
  4. dSee [91, 92].
  5. *Network (Fig. S4) suggested ASV49 A. mammifer may be ASV1 B. mediterranea, however, even if the latter is correct, cells would still be small given B. mediterranea’s diameter of 1–1.7 μm [93]. Furthermore, A. mammifer is reported as ≲3μm in its shorter axes [87].
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