Annexe 4
Densites (ind/m
2 ) des polychetes de la baie d’Alger (Suite).
Especes
BAL24 BAL26 BAL27
BAL28
BAL31
BAL33
BAL38
BAL41
BAL42'
BAL49 BAL52 BAL53
Cirriformia tentaculata
64
8
16
8
0
496
16
0
4
0
16
4
Orbinia latreilli
0
4
12
12
0
184
0
0
0
4
12
0
Chaetozone setosa
0
0
0
0
0
140
0
0
0
0
0
0
Glycera capitata
0
0
0
0
0
60
0
0
4
0
0
0
Glycera convoluta
0
0
8
0
0
32
8
0
12
4
4
0
Hyalinocia bilineata
0
0
0
0
0
4
0
0
0
4
8
4
Tharyx marioni
16
0
12
0
0
60
28
0
0
0
0
0
Pherusa eruca
0
0
0
0
0
0
0
0
0
0
4
0
Heteromastus filiformis
0
16
4
4
8
20
0
0
0
4
8
0
Sternaspis scutata
44
60
88
20
0
0
24
0
8
8
0
0
Ampharete baltica
8
20
0
4
0
12
0
0
0
0
24
0
Nephtys caeca
96
0
0
0
76
36
0
4
28
4
0
4
Eunice oerstedeii
0
0
0
0
0
0
0
0
0
0
0
0
Pseudopolydora
antennata
0
0
0
0
0
0
0
0
0
0
0
0
Lumbrineres latreilli
540
0
0
4
0
540
32
0
0
0
4
0
Sigalion mathildae
0
0
0
0
0
0
0
0
0
0
0
0
Glycera rouxii
4
0
0
0
0
0
0
0
0
0
0
0
Myxicola infundibulum
0
0
0
0
0
0
0
0
0
0
0
0
Ditrupa arietina
0
0
0
0
0
0
0
0
0
0
0
0
Eunice vitata
4
0
0
0
0
0
0
0
0
0
12
0
Nereis sp
0
0
0
0
0
0
0
0
0
0
0
0
polychete indeterminée
0
0
0
0
0
0
0
0
0
0
0
0
Paralacydonia
paradoxa
0
0
0
0
0
0
0
0
0
0
0
0