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. 2013 Mar 21;7(8):1461–1471. doi: 10.1038/ismej.2013.39

Table 3. Correlation matrix for selected environmental variables and picoeucaryote groups.

Parameter Picoeukaryotes (Euk516) Chlorophyta (Chlo02) Cryptophyta (CryptB) Bolidophyceae (Bolido02) Haptophyta (Prym02) MAST-1 (NS1 A-C) MAST-2 (NS2) Chlorophyll-a (>5μm)
Ice thickness 0.10 0.21 0.28 0.45 −0.49 −0.32 0.02 0.31
Snow cover 0.72** 0.66* 0.38 −0.27 0.04 0.39 0.76** 0.41
Chlorophyll-a (>5 μm) 0.64* 0.57* 0.39 −0.33 −0.15 −0.27 0.59*
Bacteria 0.30 0.37 0.03 0.08 −0.07 −0.05 0.41 0.72**
NO3+NO2 0.37 0.50 0.46 0.57 −0.39 −0.27 0.28 0.78*
PO4 0.28 0.50 0.15 0.21 −0.21 −0.36 0.39 0.75**
SiOH4 0.15 0.56 0.30 0.36 −0.41 −0.49 0.11 0.56
Chlorophyta (Chlo02) 0.88**            
Cryptophyta (CryptB) 0.80** 0.72**          
Bolidophyceae (Bolido02) −0.05 0.21 0.17        
Haptophyta (Prym02) −0.26 −0.24 −0.62* −0.07      
MAST-1 (NS1 A–C) 0.01 −0.10 0.08 0.15 0.15    
MAST-2 (NS2) 0.85** 0.70* 0.44 −0.16 −0.08 0.19  

Spearman rank correlation coefficients are given. Significance level of bold entries is marked by asterisks: *P<0.05, **P<0.01.