Table 4.

List of meiobenthic infaunal and epifaunal studies from vents and seeps, listed according to type of seep or vent, depth, sampling device, extraction/sieving technique, components of meiobenthos included in study (m metazoan permanent, p protist permanent, t temporary meiobenthos), habitat, abundance individuals 10 cm⁻², and reference.

Location	Type	Depth (m)	Sampling	Extraction/sieving	Fauna	Habitat	Abundance (10 cm−2)	Reference
Seep infauna
Kattegat, North Sea	Gas	10–12	Corer	Sieving 45–500 μm	m+t	Reduced sediments	650	Jensen et al. (1992)
East Flower Garden Gulf of Mexico	Brine seep	72	Grab	Sieving >63 μm	m+t	Bac mats	1–240	Powell et al. (1983)
Isla Vista, Santa Barbara Channel	Oil/gas	15	Corer	Decantation	m(+p?)+t	Bac mats	1360	Montagna and Spies (1985)
Isla Vista, Santa Barbara Channel	Oil/gas	18	Corer	Decantation+sieving >63 μm	m+p+t	Fine sand sediment	3550	Montagna et al. (1987)
	Oil/asphalt	18	Corer	Decantation+sieving >63 μm	m+p+t	Fines sand sediment	2661
	Oil/gas	19	Corer	Decantation	m(+p?)+t	Bac mats	2500	Palmer et al. (1988)
Hatsushima, Sagami Bay	Gas	1100–1200	Corer	Sieving >63 μm	m+p+t	Underneath calms	371–414	Shirayama and Ohta (1990)
Barbados prism	Gas	5000	Corer	No data	m(+p?)+t	Sediment center	116	Olu et al. (1997)
	Gas	5000	Corer	No data	m(+p?)+t	Underneath clams	6541–8438
	Gas	5000	Corer	No data	m(+p?)+t	Near clams	845–1893
Dnieper Canyon, Black Sea	Gas	182–252	Corer	Sieving 64 μm–1 mm	m+p+t	Bac mats	2.39–52.50	Sergeeva and Gulin (2007)
Hydrate Ridge, off Oregon	Gas hydrate	800	Corer	Centrifugation >32 μm	m+t	Bac mats	623–965	Sommer et al. (2007)
	Gas hydrate	800	Corer	Centrifugation >32 μm	m+t	Underneath clams	1021–1566
Håkon Mosby, SW Barents Sea slope	Gas	1280	Corer	Sieving 32–500 μm	m+p+t	Sediment center	4471	Soltwedel et al. (2005)
	Gas	1280	Corer	Sieving 32–500 μm	m+p+t	In Siboglinidae	2878–3899
	Gas	1280	Corer	Sieving 32–500 μm	m+p+t	bac mats	3475
Håkon Mosby, SW Barents Sea slope	Gas	1286–1288	Corer	Centrifugation >32 μm	m+t	Sediment center	513.2±38.4	Van Gaever et al. (2006)
	Gas	1286–1288	Corer	Centrifugation >32 μm	m+t	In Siboglinidae	1741.3±577.8
	Gas	1286–1288	Corer	Centrifugation >32 μm	m+t	Bac mats	11292.1±2256.2
Håkon Mosby, SW Barents Sea slope	Gas	1250	Corer	Centrifugation >32 μm	m+t	Grey mats	1198±717	Van Gaever et al. (2009)
Nyegga Area, Mid-Norwegian Margin	Gas	730	Corer	Centrifugation >32 μm	m+t	Reduced sediments	333±69
	Gas	730	Corer	Centrifugation >32 μm	m+t	In Siboglinidae	7028±1279
Storegga Slide, Mid-Norwegian Margin	Gas	740	Corer	Centrifugation >32 μm	m+t	In Siboglinidae	41±22
Seep epifauna
AC, AV, GC, Gulf of Mexico	Gas	1400–2800	Bushmaster	Centrifugation 32 μm–1 mm	m	Ass. Vestimentifera	0.88–447	This study
	Gas	1400–2800	Mussel pot	Centrifugation 32 μm–1 mm	m	Ass. mussels	4.11–81.34	This study
Vent infauna
Guaymas, East Pacific Rise	Vent	2000	Corer (?)	Centrifugation >63 μm	m+t	Bac mats	1–81	Dinet et al. (1988)
Bay of Plenty, New Zealand	Vent	4–12	Corer	Sieving >50 μm	m+p	Bac mats	1–241	Kamenev et al. (1993)
Matupi Harbour, Papua New Guinea	Vent	0–27	Corer	Sieving >500 μm	m+p	Bac mats	2–131	Tarasov et al. (1999)
Aegean Sea, Mediterranean Sea	Vent	10	Corer	Elutriation>63 μm	m+p	Bac mats	0–1075	Thiermann et al. (1997)
Sulawesi, Indonesia	Vent	3	Corer	Centrifugation >30 μm	m+t	Sediments 10 cm off vent	49±8	Zeppilli and Danovaro (2009)
	Vent	3	Corer	Centrifugation >30 μm	m+t	Sediments 1 m off vent	652±3
Vent epifauna
Juan de Fuca Ridge	Vent	2300	Grab	Sieving >63 μm	m+p	Ass. Paralvinella	14–87	Tsurumi et al. (2003)
Mid Atlantic Ridge	Vent	3492	Mussel pot	Centrifugation >63 μm	m+p	Ass. mussels	36–46	Zekely et al. (2006)
N East Pacific Rise	Vent	2480	Mussel pot	Centrifugation >63 μm	m+p	Ass. mussels	25–32
N and S East Pacific Rise	Vent	2491–2690	Mussel pot	Centrifugation >62 μm	m+p	Ass. mussels	22–116	Copley et al. (2007)
N East Pacific Rise	Vent	2500	Bushmaster	Centrifugation >63 μm	m+p	Ass. Vestimentifera	1–976	Gollner et al. (2007)