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6.1
6. SUCTION AND AIR-LIFT SAMPLERS
6.1. MUD SUCKERS
[Samplers that suck in sediment by vacuum or by pressure
difference between air within the sampler and the
surrounding water; all these samplers take a very small
sample]
Holme, N.A. (1955). An improved 'vacuum' grab for sampling the sea-floor.
J. mar. biol. Ass. U.K. 34, 545-51. [Mud sample sucked into tube;
size of sample varies with depth from 10 ml at 2.7 m to 500 ml at 50-
70 m; weight 13.6 kg] R, M, Mar
Hough, J.L. (1939). Bottom sampling apparatus. In Recent marine sediments
(Ed. P.D. Trask). Tulsa, U.S.A. Amer. Assoc. Pet. Geol. [Describes
Renn suction sampler that uses an evacuated glass bottle; end of glass
tube broken on contact with bottom and sample sucked in; originally
used for sampling bacteria] R, M, Mar
Hunt, D.0. (1926). A new method for quantitative sampling of the seabottom.
J. mar. biol. Ass. U.K. 14, 529-534. [Similar to sampler
of Holme (1955), except that sample tube is hermetically sealed with
glass plate that is automatically broken on contact with bottom,
sample is then sucked in] R, M, Mar
Moore, G.M. (1939). A limnological investigation of the microscopic fauna
of Douglas Lake, Michigan. Ecol. Monogr. 9, 537-582. [Ooze sampler,
based on that of Rawson (1930), with compressed rubber bulb attached
to funnel; messenger used to free plates holding bulb and as bulb
expands, sediment is sucked in through brass screen at mouth of funnel]
R, M, FW
Purasjoki, K.J. (1953). Zwei verbesserte Apparate zum Auffangen von
Kleintieren des See-und-Meeresbodens. (Two improved samplers for
catching small animals from the bottom of lakes and the sea) (In
German). Archvm Soc. zool.~bot. fenn. 'Vanamo' 8, 110-114.
[Compressed bellows attached to funnel; messenger releases catch and
expanding bellows suck in mud through screen at mouth of funnel]
R, M, Mar FW
Rawson, D.S. (1930). The bottom fauna of Lake Simcoe and its role in the
ecology of the lake. Pubis Ont. Fish. Res. Lab. 40, 1-183. [Original
ooze sucker, later modified slightly by Moore (1939)] R, M, FW
Roszczak, R. (1964). Zmodyfikowany czerpak denny. (A modified bottom
dredger) (In Polish). Ekol. pol. (B) 10, 239-242. [Mud sucker for
microinvertebrates; samples water - mud interface, samples taken at
water depths of 32 m] R, M, FW
6.2. HYDRAULIC SUCTION SAMPLERS
[Samplers that use pumped water, often through a venturi
tube, to suck sample up a tube]
Allen, D.M. & Hudson, J.H. (1970). A sled-mounted suction sampler for
benthic organisms. Spec, scient. Rep. U.S. Fish Wildl. Serv. - Fish.
No. 614, 1-5. [Suction pipe mounted on sledge which is drawn over
the substratum; pump, venturi tube and collecting bag are all on a boat;
when sledge moves 12.5 m, 1 m 2 of substratum is sampled] R, MC, Mar
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