Soil microbial activity and free-living nematode community in the upper soil layer of the anticline erosional cirque, Makhtesh Ramon, Israel

Stanislav Pen-Mouratov, Nosir Shukurov, Josef Plakht, Yosef Steinberger

    Research output: Contribution to journalArticlepeer-review

    5 Scopus citations

    Abstract

    The physical-chemical peculiarity of soil rock formations is one of the leading factors determining diversity and abundance of soil biota. The main aim of the present research was to study soil microbial and free-living nematode abundance and diversity on different soil rock formations (basalt, sandstone, limestone, granite and gypsum) of the Makhtesh Ramon erosional cirque. The obtained results showed the strong effect of soil features of different soil formations on microbial biomass and respiration as well as on the soil free-living nematode communities and its trophic and species composition. The Sorenson-Czenkanowski similarity index indicated significant differences between soil properties as well as between soil biota in observed soil formations. The qCO2, which is known to increase according to the level of environmental stress, reached maximal values in the sandstone soil formation. The values of ecological indices such as Simpson's dominance index, maturity index and modification and species richness pointed to a specific ecological condition in the studied soil formations dependent on low content of an essential soil matter as soil moisture, organic matter and cations.

    Original languageEnglish
    Pages (from-to)71-79
    Number of pages9
    JournalEuropean Journal of Soil Biology
    Volume44
    Issue number1
    DOIs
    StatePublished - 1 Jan 2008

    Keywords

    • Ecological indices
    • Makhtesh Ramon
    • Microbial biomass
    • Nematode community
    • Respiration
    • Trophic groups

    ASJC Scopus subject areas

    • Microbiology
    • Soil Science
    • Insect Science

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