期刊
PEDOBIOLOGIA
卷 70, 期 -, 页码 1-5出版社
ELSEVIER GMBH
DOI: 10.1016/j.pedobi.2018.06.005
关键词
Tardigrades; Water bears; Extraction methods; Soil; Leaf litter
资金
- Jan Evangelista Purkyne University [SGS UJEP 53221 15 0001 01]
- Academy of Sciences of the Czech Republic [GACR P207/12/0919]
- Kristianstad University
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.
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