Table 3 The correlation coefficients found by correlation analysis of phytoplankton diversity indices and TSI in All samples, Wetland samples (S01–S10), River samples (S11–S17) in different hydro periods.

From: Phytoplankton alpha diversity indices response the trophic state variation in hydrologically connected aquatic habitats in the Harbin Section of the Songhua River

Sample sites

Margalef

Pielou

Simpson

All

Rainy

Dry

All

Rainy

Dry

All

Rainy

Dry

Shannon–weaver

Correlation

0.399**

0.459**

0.215

0.785**

0.427*

0.917**

0.773**

0.873**

0.654**

Sig

0.001

0.012

0.223

0

0.012

0

0

0

0

Margalef

 

Correlation

   

-0.171

-0.497**

-0.151

0.16

0.064

-0.02

Sig

   

0.163

0.003

0.395

0.19

0.721

0.395

Pielou

Correlation

      

0.712**

0.758**

0.623**

Sig

      

0

0

0

  1. *Denotes p < 0 .05 (two-tailed), **Denotes p < 0 .01 (two-tailed).
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