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Table 3 Mean nematode densities and refractometer data (salinity), presented by core designation (sample ID), per deep-sea hypersaline anoxic basins (DHAB) and habitat. Additional file 8 presents density data from each aliquot

From: Metazoans of redoxcline sediments in Mediterranean deep-sea hypersaline anoxic basins

DHAB

Habitat

Salinity

Sample ID

Number of aliquots

Number/10 cm2

Std dev

Minimum in situ volume processed (cm3)

Urania

 

Normoxic, normal saline control

NA

608-3

2

31.25

44.19

4.2

 

Normoxic, normal saline control

NA

607-4

2

0

0

4.8

 

Normoxic control/halocline transition

NA

607-8

2

3878.79

2228.46

0.7

 

Normoxic control/halocline transition

NA

607-8C

2

594.49

128.06

1.3

 

Upper halocline

NA

607-10

4

11.08

22.15

3.8

 

Mid-halocline

NA

608-11A

4

26.7

31.71

3.8

 

Lower halocline

NA

607-8 F

1

0

NA

1.4

 

Lower halocline

NA

607-8E

1

7.04

NA

12.6

       

32.5

Discovery

 

Normoxic, normal saline control

NA

609-6

3

1937.5

225.35

0.5

 

Normoxic, normal saline control

50

610-11

4

16.63

30.64

16

 

Upper halocline

NA

609-7

3

41.67

72.17

2.7

 

Upper halocline

85

610-14

3

1119.05

802.84

0.4

 

Mid-halocline

102

610-16

1

7.32

NA

23.2

 

Mid-halocline

102

609-10 H

1

0

NA

1.7

 

Mid-halocline

116

610-13

1

17.3

NA

9.3

 

Mid-halocline

130

610-3

2

0

0

0.3

 

Mid- to lower halocline

NA

609-1

2

0

0

1.6

 

Lower halocline

NA

609-14

4

1.45

2.89

20.5

 

Lower halocline

NA

610-9

3

0

0

2.2

 

Lower halocline

NA

609-4

entire

0

NA

31.7

 

Lower halocline

146

610-4

1

1.17

NA

17.1

       

127.1

L’Atalante

 

Normoxic, normal saline control

41

611-3

3

76.55

94.25

16.5

 

Normoxic, normal saline control

41

611-8

2

62.5

0

0.3

 

Upper halocline

44

611-5

3

123.53

57.16

17.3

 

Upper halocline

45

611-C

1

246.58

NA

1.1

 

Upper halocline

46

611-4

1

181.82

NA

0.6

 

Mid-halocline

53

611-10

4

5.47

10.95

3.8

 

Mid-halocline

69

611-2

entire

0

NA

31.7

 

Lower halocline

190

611-14

3

0

0

1

 

Lower halocline

220

611-17

entire

0.5

1

31.7

 

Lower halocline

220

611-18

entire

0

NA

31.7

       

135.4

  1. Also listed is the number of aliquots analyzed and amount of sediment processed. Processed sediment volumes are summed at the bottom of each DHAB. NA, Not available; Std dev, Standard deviation; ID, Identification