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Table 5 Correlation coefficient (Pearson r) values of Odonata taxa as influenced by physicochemical parameters at Idi stream

From: An ecological study of freshwater ecosystem and its colligation to Odonates assemblages in Ipogun, Southwest Nigeria

Odonata

Parameters

Amb. temp (°C)

pH

DO (mg/L)

EC (µS/cm)

TURBIDITY (NTU)

WATER TEMP (°C)

TDS (mg/L)

BOD (mg/L)

PO4 (mg/L)

NO3 (mg/L)

P. kersteni

− 0.24

− 0.00

0.13

− 0.13

− 0.27

− 0.18

0.09

0.21

0.10

0.43

P. melanicterum

− 0.06

0.10

0.24

− 0.31

0.32

0.15

0.17

0.10

− 0.08

0.19

P. sublacteum

0.25

− 0.45

0.03

0.12

0.15

0.13

0.33

− 0.37

− 0.24

− 0.11

A. victoria

− 0.05

0.32

0.58

0.07

0.30

0.13

0.21

− 0.26

− 0.19

− 0.32

A. subtile

− 0.05

0.32

0.58

0.07

0.30

0.13

0.21

− 0.26

− 0.19

− 0.32

C. pyriformosa

− 0.05

0.32

0.58

0.07

0.30

0.13

0.21

− 0.26

− 0.19

− 0.32

C. curta

− 0.23

0.02

0.11

0.09

− 0.21

− 0.13

0.20

0.21

0.01

0.34

C. glauca

− 0.05

− 0.03

− 0.41

− 0.13

0.20

0.02

− 0.03

0.35

− 0.36

− 0.32

E. glauca

− 0.05

− 0.13

0.23

0.42

− 0.00

0.02

− 0.50

− 0.03

− 0.07

− 0.04

U. cincta

− 0.08

− 0.05

− 0.14

0.00

0.10

0.09

0.27

0.31

− 0.26

0.09

T. arteriosa

− 0.11

0.37

− 0.16

− 0.13

− 0.37

− 0.31

0.37

0.51

0.29

0.60*

T. imitata

− 0.67*

0.37

− 0.11

− 0.37

− 0.80**

− 0.93**

0.02

0.35

0.30

0.23

P. lucia

− 0.08

− 0.04

0.41

− 0.19

0.22

0.07

− 0.18

− 0.34

− 0.26

− 0.36

P. portia

− 0.05

− 0.03

0.08

0.08

− 0.01

0.09

0.32

0.13

− 0.07

0.30

P. jucunda

− 0.05

− 0.03

0.08

0.08

− 0.01

0.09

0.32

0.13

− 0.07

0.30

O. julia

− 0.00

0.01

− 0.03

0.07

0.02

0.14

0.39

0.31

− 0.03

0.38

  1. *Correlation is significant at the 0.05 level
  2. **Correlation is significant at the 0.01 level