| Issue |
Annls Limnol.
Volume 10, Number 1, 1974
|
|
|---|---|---|
| Page(s) | 99 - 108 | |
| DOI | https://doi.org/10.1051/limn/1974011 | |
| Published online | 16 June 2011 | |
Description d'un nouveau type de carottier pour les sédiments très fluides
Description of a new type of corer for very fluid sediments
Laboratoire d'Hydrobiologie, Université Paul-Sabatier, 118, route de Narbonne, 31077 Toulouse Cedex
Ce nouveau type de carottier est particulièrement conçu pour les sédiments fluides. Il est muni d'un tube de 8 cm de diamètre, se fermant aux deux extrémités. Ses performances sont supérieures à celles d'une benne Ekman dans les mêmes conditions. Les causes de cette différence sont analysées. Ce carottier permet en outre d'étudier la répartition verticale de la faune dans les sédiments. Les résultats préliminaires obtenus dans un lac de haute montagne sont présentés.
Abstract
This new corer was designed particularly for fluid sediments. It consists of a tube which is 8 cm in diameter and which closes a both ends. Its performance
is superior to that of an Ekman grab in the same conditions. The reasons for this difference are analysed. It is also possible to study the vertical distribution of the fauna with this corer. Some preliminary results from a high moutain lake are given.
© Masson, 1974
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