Back to Search
Start Over
Cast production and NIR spectral signatures of Aporrectodea caliginosa fed soil with different amounts of half-decomposed Populus nigra litter
- Source :
- Biology and Fertility of Soils, Biology and Fertility of Soils, Springer Verlag, 2009, 45 (8), pp.839-844. ⟨10.1007/s00374-009-0395-6⟩, Biology and Fertility of Soils, 2009, 45 (8), pp.839-844. ⟨10.1007/s00374-009-0395-6⟩, Biology and Fertility of Soils, Springer Verlag, 2009, 45, pp.839-844. ⟨10.1007/s00374-009-0395-6⟩
- Publication Year :
- 2009
- Publisher :
- HAL CCSD, 2009.
-
Abstract
- International audience; Sub-adult individuals of Aporrectodea caliginosa were incubated for 16 weeks under laboratory cultures in a soil treated with 0%, 10% or 50% of a Populus nigra halfdecomposed leaves, respectively. Growth was maximum in the 50% organic matter treatment and cocoon production occurred. Average soil ingestion rates decreased from 1.56 g/g−1 fresh weight of worm per day−1 in control soil to 1.17 and 0.5 g, respectively, in treatments with 10% and 50% half-decomposed litter. Surface casts never comprised more than 10% of total cast production. Near-infrared spectrometry (NIRS)signatures of digested and noningested soil significantly differed and showed a rather constant effect of digestion, independent of the organic matter content (p
- Subjects :
- 0106 biological sciences
Soil Science
earthworms
Biology
010603 evolutionary biology
01 natural sciences
Microbiology
Aporrectodea caliginosa
oligochaeta
Animal science
mucus
Botany
Organic matter
chemistry.chemical_classification
Spectral signature
carbon
Fresh weight
turnover
04 agricultural and veterinary sciences
NIR spectral signature
Soil macroaggregates
microarthropods
chemistry
lumbricidae
040103 agronomy & agriculture
Litter
0401 agriculture, forestry, and fisheries
microflora
[SDE.BE]Environmental Sciences/Biodiversity and Ecology
Digestion
ecosystem engin
Agronomy and Crop Science
Earthworm casts
Subjects
Details
- Language :
- English
- ISSN :
- 01782762 and 14320789
- Database :
- OpenAIRE
- Journal :
- Biology and Fertility of Soils, Biology and Fertility of Soils, Springer Verlag, 2009, 45 (8), pp.839-844. ⟨10.1007/s00374-009-0395-6⟩, Biology and Fertility of Soils, 2009, 45 (8), pp.839-844. ⟨10.1007/s00374-009-0395-6⟩, Biology and Fertility of Soils, Springer Verlag, 2009, 45, pp.839-844. ⟨10.1007/s00374-009-0395-6⟩
- Accession number :
- edsair.doi.dedup.....e0ef780f60511ad4cf2ed652a42bc15f