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Cited by 34Soil Carbon and Nitrogen DynamicsCrustacean biology and ecologyInvertebrate Taxonomy and Ecology

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Effects of terrestrial isopods (Crustacea: Oniscidea) on leaf litter decomposition processes

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Abd El-Wakeil, Khaleid F.·2015·The Journal of Basic & Applied Zoology
DOI 10.1016/j.jobaz.2015.05.002
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Abstract

The leaf litter decomposition is carried out by the combined action of microorganisms and decomposer invertebrates such as earthworms, diplopods and isopods. The present work aimed to evaluate the impact of terrestrial isopod on leaf litter decomposition process. In Lab experimental food sources from oak and magnolia leaves litter were prepared. Air dried leaf litter were cut to 9 mm discs and sterilized in an autoclave then soaked in distilled water or water percolated through soil and left to decompose for 2, 4 and 6 weeks. 12 groups from two isopods species Porcellio scaber and Armadillidium vulgare, were prepared with each one containing 9 isopods. They were fed individually on the prepared food for 2 weeks. The prepared food differed in Carbon stable isotope ratio (δ13C), C%, N% and C/N ratios. At the end of the experiment, isopods were dissected and separated into gut, gut content and rest of the body. The δ13C for the prepared food, faecal pellets, remaining food, gut content, gut and rest of isopod were compared. The feeding activities of the two isopods were significantly different among isopods groups. Consumption and egestion ratios of magnolia leaf were higher than oak leaf. P. scaber consumed and egested litter higher than A. vulgare. The present results suggested that the impact of isopods and decomposition processes is species and litter specific.

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Metadata

Authors
Abd El-Wakeil, K. F.
Venue
The Journal of Basic & Applied Zoology
Publisher
Elsevier BV
Published
2015-03
Volume
69
Pages
10-16
ISSN
2090-9896 (ISSN-L)
DOI
10.1016/j.jobaz.2015.05.002
OpenAlex
W635576950
Cited by
34
References
51
Citations by year
2026: 4 · 2025: 2 · 2024: 4 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 5 · 2019: 6 · 2018: 5 · 2017: 3 · 2016: 1
FWCI
4.11
Type
journal article
Language
en
Open access
Licence
Locations
  • The Journal of Basic and Applied Zoology (publishedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Environmental Science › Ecology › Crustacean biology and ecology
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Invertebrate Taxonomy and Ecology
Keywords
terrestrial isopods, leaf litter decomposition, Porcellio scaber, Armadillidium vulgare, stable carbon isotopes, egestion

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