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Table 6 Abundance (ind. m−2) of the taxa identified in the Odiel–Tinto estuary in each station and sampling period

From: Spatial and temporal variation of the benthic macrofauna in a grossly polluted estuary from southwestern Spain

Taxa

1998

2000

2002

O1

O2

O3

T1

C1

C2

C3

C4

O1

O2

O3

T1

C1

C2

C3

C4

O1

O2

O3

T1

C1

C2

C3

C4

CNIDARIA

0

0

0

0

13

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

PLATYHELMINTHES

Turbellaria

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

0

20

NEMERTEA

0

0

0

0

0

0

33

0

0

7

7

0

0

20

0

16

0

24

0

4

0

4

20

95

PHORONIDEA

13

0

0

7

0

0

13

33

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

ANNELIDA

Oligochaeta

220

0

0

0

0

313

0

0

20

0

20

120

7

27

227

0

0

0

0

0

0

0

160

0

Polychaeta

Capitellidae

0

0

0

0

0

0

7

13

167

7

13

13

20

0

27

4

0

0

0

0

0

0

0

210

Cirratulidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

60

0

0

8

28

0

0

8

0

0

Chrysopetalidae

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

0

0

Eunicidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

13

0

0

0

0

0

0

0

0

0

Glyceridae

0

0

0

0

0

0

7

7

0

7

0

0

0

0

20

4

0

8

0

0

0

0

0

125

Hesionidae

0

0

0

0

0

27

0

0

0

0

0

0

0

0

47

0

0

0

0

0

0

4

24

5

Magelonidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

65

Nephtyidae

20

7

7

7

0

27

33

53

0

0

20

13

0

0

27

28

0

40

44

40

0

24

76

100

Nereididae

7

0

0

0

0

0

0

0

73

33

20

193

27

13

7

4

0

0

4

0

0

0

4

0

Onuphidae

0

0

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

20

20

0

0

0

0

35

Orbiniidae

0

0

0

0

0

0

27

47

0

0

0

7

0

0

40

116

0

8

0

0

0

0

0

10

Oweniidae

7

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

96

5

Paraonidae

0

0

0

0

0

0

0

0

0

0

0

33

13

7

0

0

0

0

0

0

0

0

0

0

Pectinariidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

108

16

4

20

416

156

280

Phyllodocidae

0

0

0

0

0

0

587

53

0

0

0

0

0

0

7

4

0

0

0

0

0

0

4

5

Pilargididae

0

0

0

0

0

13

0

0

0

0

0

0

0

0

113

0

0

0

0

0

0

0

0

10

Pisionidae

0

0

0

0

0

0

13

0

0

0

0

0

0

0

0

8

0

0

0

0

0

0

0

0

Poecilochaetidae

0

0

0

0

0

0

27

0

0

0

0

0

0

0

0

4

0

0

0

0

0

0

0

0

Polynoidae

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

12

0

0

0

4

4

0

Sabellidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

12

0

0

0

0

0

0

Saccocirridae

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Serpulidae

0

0

0

0

0

0

7

0

0

0

0

0

0

0

80

20

0

0

0

0

0

0

0

0

Sigalionidae

0

0

0

0

0

0

0

0

0

0

0

93

0

0

100

0

0

0

4

0

0

0

0

0

Spionidae

533

93

180

153

193

7

20

0

593

873

2,567

1,540

553

200

107

4

32

876

4

464

8

104

148

490

Syllidae

0

0

0

0

0

0

0

7

0

0

0

0

0

0

40

0

0

0

0

0

0

0

0

0

Terebellidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

13

0

0

0

0

0

0

0

0

0

CRUSTACEA

Amphipoda

Ampeliscidae

0

0

0

7

0

0

0

0

0

0

0

7

0

7

73

0

0

0

0

0

0

0

4

10

Aoridae

20

0

7

13

0

0

0

0

0

0

0

180

0

0

0

0

0

0

0

0

0

0

0

0

Caprellidae

0

0

0

0

0

0

0

0

0

0

13

0

0

0

27

0

0

0

0

4

0

0

8

5

Corophiidae

20

0

0

33

13

0

0

0

0

0

13

267

7

0

107

12

0

12

4

0

0

0

4

60

Dexaminidae

0

0

0

0

0

0

13

7

0

0

0

0

0

0

0

4

0

0

0

0

0

0

0

0

Gammaridae

7

0

0

13

133

0

27

0

7

20

7

240

20

0

0

8

0

4

0

0

0

0

0

5

Haustoridae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

12

0

0

0

0

0

0

0

0

Ischyroceridae

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

4

0

12

0

Oedicerotidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

5

Cumacea

Bodotriidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

0

0

0

0

0

0

0

10

Decapoda

Alpheidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

40

0

0

0

0

0

0

0

0

0

Crangonidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

16

0

8

0

20

8

4

4

0

Diogenidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

20

0

0

0

4

0

0

4

55

Dorippidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

5

Grapsidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

0

0

0

0

0

0

0

0

Hippolytidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

27

0

0

0

0

0

0

0

0

0

Penaeidae

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Portunidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

5

Processidae

0

0

0

0

0

0

0

0

0

0

0

7

0

0

13

0

0

0

0

0

0

0

0

0

Upogebiidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

5

Xanthidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

Isopoda

Anthuridae

0

0

0

0

0

0

0

0

240

73

7

327

140

7

60

0

0

20

4

4

0

0

8

0

Gnathiidae

0

0

7

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Chaetiliidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

Sphaeromatidae

27

0

0

0

0

0

33

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Mysidacea

0

0

0

0

0

0

13

0

0

0

0

0

0

0

0

24

0

0

0

0

0

0

0

0

Tanaidacea

Leptocheliidae

0

0

0

0

0

0

0

0

0

0

0

13

0

0

93

8

0

0

4

0

0

0

4

15

ECHINODERMATA

Echinoidea

Lovenidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10

Ophiuroidea

Amphiuridae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10

Ophiuridae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10

MOLLUSCA

Bivalvia

Anomiidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

13

4

0

0

0

0

0

0

0

0

Cardiidae

0

0

0

33

0

0

0

0

100

20

33

13

7

0

0

8

92

2,520

276

8

12

8

180

5

Corbulidae

0

0

0

0

0

0

0

47

0

0

0

0

0

0

7

132

0

0

0

0

0

0

4

20

Donacidae

0

0

0

0

0

0

0

33

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

180

Glycimerididae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

0

0

0

0

0

0

0

0

Hiatellidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

0

0

0

0

0

0

0

0

Mactridae

0

0

0

0

0

0

7

380

0

13

0

0

0

0

40

44

0

0

0

0

0

0

4

655

Montacutidae

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

5

Mytilidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

0

0

0

0

0

0

4

0

Ostreidae

0

0

0

0

0

0

0

0

0

0

0

173

0

0

0

0

0

0

0

0

0

0

0

0

Pandoridae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

5

Pharidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10

Semelidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

0

0

0

0

50

Tellinidae

0

0

0

0

0

0

0

0

0

13

0

0

0

0

0

0

0

0

0

0

0

0

0

190

Thracidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

5

Venereidae

0

0

0

0

0

0

40

813

0

0

0

0

0

0

0

416

0

0

0

0

0

0

16

245

Gastropoda

Acteonidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10

Nassaridae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

0

0

0

0

0

4

4

50

Philinidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

4

15

Ringiculidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

25

Scaphandidae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

15

Turridae

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

15

Turritellidae

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

CHORDATA

Tunicata

0

0

0

0

0

0

0

0

0

0

0

0

0

7

0

0

0

0

0

0

0

0

0

0

Cephalochordata

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

85