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- Title
Does homogenisation of stream bed sediment samples influence their respiration?
- Authors
Mendoza-Lera, Clara
- Abstract
Sediment respiration, a key function of the lotic ecosystem, can be determined by various methods at different scales; a method used commonly is percolation columns. Sediments are often homogenised before measuring their respiration, to obtain a representative sample. This study aimed at determining whether homogenisation influences sediment respiration measured with percolation columns. Sediment cores from sandy streams with either grassland or forested riparian vegetation were placed undisturbed in columns and percolated for 85 h in winter and late spring. After 45.75 h, half of the columns were homogenised. Independent of origin and respiration rates, homogenisation did not influence the sediment respiration. This suggests that if sediment homogenisation is performed, it will not influence sediment respiration determined with percolation columns.
- Subjects
SEDIMENTS; PERCOLATION; RIVER channels; RIPARIAN ecology; LOTIC ecology
- Publication
Limnology, 2018, Vol 19, Issue 2, p165
- ISSN
1439-8621
- Publication type
Article
- DOI
10.1007/s10201-017-0531-1