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Determination of fine-scale vertical distribution of microbes and meiofauna in an intertidal sediment
Joint, I.R.; Gee, J.M.; Warwick, R.M. (1982). Determination of fine-scale vertical distribution of microbes and meiofauna in an intertidal sediment. Mar. Biol. (Berl.) 72(2): 157-164
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793
Peer reviewed article  
Available in  Authors 
Keywords
    Aquatic communities > Benthos > Meiobenthos
    Distribution > Geographical distribution > Vertical distribution
    Environmental effects > Tidal effects
    Microorganisms > Bacteria
    Sampling > Sediment sampling
    Diploneidaceae D. G. Mann, 1990 [WoRMS]; Naviculaceae Kützing, 1844 [WoRMS]; Nematoda [WoRMS]
    ANE, British Isles, England, Devon, Exe Estuary [Marine Regions]
    Marine/Coastal
Authors  Top 
  • Joint, I.R.
  • Gee, J.M.
  • Warwick, R.M.
Abstract
    A simple sampling device is described which produces thin (1 mm) sections of sediment cores. The sampler has been tested on fine sand of an intertidal sandflat and used to study the vertical distribution, over part of a tidal cycle in August, 1981, of migrating algae in the surface 20 mm of sand. Two species of Diplonies and one of Navicula showed marked changes in vertical distribution as the sandflat was flooded, but the distribution of bacteria in the sime samples did not show any change with tidal state. Spatial separation of different species of harpacticoid oppepods within the surface 20 mm of sand has also been demonstrated using this sampler, and the results suggest that different species may occupy particular fine-scale spatial niches within the sand column. The depth separation of nematode species was less well defined, except for two species with apparently the same feeding mode which were isolated from one another vertically.
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