Evaluation of extraction methods for quantitative analysis of tardigrade populations in soil and leaf litter

Michaela Czernekova, K. Ingemar Jönsson, Jaromir Hajer, Miroslav Devetter

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Accurate quantitative analysis of soil tardigrades depends on a relevant extraction method. Over the years, a number of different methods have been used, but the efficiency of these methods has rarely been evaluated for soil and leaf litter tardigrades. Four methods of extraction were compared in this study: the light-cooling (L-C) extractor, the high-gradient (H-G), Baermann extractor, the non-gradient (N-G) Baermann extractor and sieves.The results indicate that light and temperature are significant factors influencing tardigrade extraction. The L-C and H-G extractors were more effective than sieves for all substrate categories. These extraction methods (L-C and H-G) therefore seem to be appropriate for quantitative studies of soil and leaf litter tardigrades.

Original languageEnglish
Pages (from-to)1-5
Number of pages4
JournalPedobiologia
Volume70
DOIs
Publication statusPublished - 2018

Swedish Standard Keywords

  • Zoology (10608)

Keywords

  • Tardigrades
  • extraction methods
  • leaf litter
  • soil
  • water bears

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