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Nematodes and Other Aquatic Invertebrates in Eurhynchium oreganum from Mary's Peak, Oregon Coast Range
Kathy Merrifield and Russell E. Ingham
Vol. 101, No. 4 (Winter, 1998), pp. 505-511
Published by: American Bryological and Lichenological Society
Stable URL: http://www.jstor.org/stable/3244525
Page Count: 7
You can always find the topics here!Topics: Roundworms, Bryophytes, Invertebrates, Soil nematodes, Taxa, Aquatic invertebrates, Mites, Species, Genera, Forest habitats
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Bryophytes provide microhabitats for aquatic invertebrates, many of which are capable of anhydrobiosis. Densities of nematodes, tardigrades, rotifers, and other invertebrates recovered from Eurhynchium oreganum (Sull.) Jaeg, were determined for over one year at an Oregon Coast Range site. Extraction efficiency of Baermann funnels was evaluated by collection on subsequent days followed by squeezing and agigation of moss. Densities of the nematodes, Eudorylaimus spp. and Plectus spp., varied significantly between sampling dates, but densities of Monhystera spp., Tylenchus spp., and Prionchulus muscorum Dujardin did not. Total tardigrade and mite densities differed significantly between sampling dates, but rotifer, amphipod, and turbellarian densities did not. Nematode densities were within the low range of densities previously reported from mosses. Motility efficiency may affect nematode distribution within mosses. Baermann funnels were effective in recovering nematodes and tardigrades, but not rotifers from moss. Nutrient cycling by moss-dwelling aquatic invertebrates is implied by the diversity of their feeding strategies.
The Bryologist © 1998 American Bryological and Lichenological Society