New Zealand Journal of Marine and Freshwater Research abstracts

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A simple and efficient drift sampler

M. S. FIELD-DODGSON

Fisheries Research Division Ministry of Agriculture and Fisheries P. O. Box 8324, Riccarton, Christchurch New Zealand

Abstract A drift sampler for use in small streams is described. The mouthpiece is the rectangular end of a plastic adaptor for rainwater guttering, and a 1 m long, 45 nm mesh net is attached to the circular posterior. Three such adaptors, plus nets, are placed side by side 70 mm apart and attached to aluminium flat. The whole structure is attached to metal stakes driven into the stream bed. The catch of the sampler is compared with a standard drift sampler, and the replicates are analysed for variance.

Keywords drift; sampler; terrestrial drift; aquatic

New Zealand Journal of Marine and Freshwater Research, 1985, Vol. 19: 167-172 Received 6 September 1984; accepted 27 November 1984

PDF file of entire paper: medium quality (781K); (scanned from paper original: notes about this process)

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