Annexe 4
Densités (ind/m
2 ) des polychetes de la baie d’Alger.
Especes
BAL1
BAL2
BAL3
BAL7
BAL9
BAL13
BAL15
BAL16
BAL17
BAL19
BAL22
Cirriformia tentaculata
12
4
0
24
0
160
12
8
8
44
28
Orbinia latreilli
24
8
0
4
0
12
0
8
4
0
4
Chaetozone setosa
8
0
0
0
0
8
0
4
0
8
0
Glycera capitata
28
0
0
16
0
0
0
0
0
4
8
Glycera convoluta
72
16
0
12
12
40
12
8
8
0
0
Hyalinocia bilineata
20
0
0
8
0
0
0
0
0
0
0
Tharyx marioni
4
4
0
4
0
12
0
0
0
4
0
Pherusa eruca
4
0
0
4
0
0
0
0
0
0
0
Heteromastus filiformis
8
4
0
4
0
40
0
0
0
4
0
Sternaspis scutata
4
0
0
0
0
12
8
28
16
24
0
Ampharete baltica
4
0
0
0
0
36
0
0
8
0
0
Nephtys caeca
4
8
8
0
0
40
4
0
8
16
28
Eunice oerstedeii
0
4
0
0
0
0
0
0
0
0
0
Pseudopolydora antennata
0
4
0
0
0
0
0
0
0
0
0
Lumbrineres latreilli
0
8
0
36
0
356
8
20
0
76
0
Sigalion mathildae
4
4
0
0
0
0
0
0
0
0
0
Glycera rouxii
0
8
0
0
0
0
0
0
0
0
0
Myxicola infundibulum
0
4
0
0
0
0
0
0
0
0
0
Ditrupa arietina
0
4
0
0
0
0
0
0
0
0
0
Eunice vitata
0
4
0
96
0
0
0
4
0
0
0
Nereis sp
0
8
0
0
0
4
0
0
0
0
0
polychete indeterminée
0
0
4
0
0
0
0
0
0
0
0
Paralacydonia paradoxa
0
0
4
0
0
0
0
0
0
0
0