Influence of monsoon-driven hydrographic features on thaliacean distribution in waters around Taiwan, western North Pacific Ocean

Zoological Studies

Table 3 Average abundances of thaliacean species in oceanic and neritic waters around Taiwan during the study periods

Species	Oceanic	Neritic
Species	(depth ≥200 m, individuals/1,000 m³)	(depth <200 m, individuals/1,000 m³)
Doliolida
Doliolum denticulatum	151 ± 27	933 ± 288**
Dolioletta gegenbauri	0	5 ± 3*
Doliolina mulleri	0	2 ± 2*
Doliolum nationalis	0	885 ± 662**
Salpida
Brooksia rostrata	2 ± 2	0
Cyclosalpa affinis	0.1 ± 0.1	0
Cyclosalpa sewelli	7 ± 3	2 ± 2
Iasis zonaria	5 ± 3	11 ± 11
Pegea confoederata	0	1 ± 1
Salpa fusiformis	46 ± 22	7 ± 4**
Salpa younti	11 ± 4	0**
Thalia rhomboides	960 ± 347	426 ± 183*
Thalia orientalis	167 ± 33	107 ± 41***
Thalia cicar	44 ± 11	58 ± 19
Thalia democratica	122 ± 32	34 ± 10***
Traustedtia multitenticulata	2 ± 1	0
Weelia cylindrica	26 ± 11	49 ± 33
Pyrosomatida
Pyrosoma verticillatum	137 ± 132	90 ± 59

Asterisks indicate significant differences according to an ANOVA at *p < 0.05, **p < 0.01, and ***p < 0.01. Oceanic stations: 1, 2, 3, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 29, 30, 31, and 32. Neritic stations: 37, 38, 39, 43, 44, 45, 49, 50, 51, 53, 56, 57, 58, and 59.