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Bottom photography as a tool for estimating benthic populations
Owen, D.M.; Sanders, H.L.; Hesseler, R.R. (1967). Bottom photography as a tool for estimating benthic populations, in: Hersey, J.B. (Ed.) Deep-sea photography. pp. 229-234
In: Hersey, J.B. (Ed.) (1967). Deep-sea photography. The John Hopkins Oceanographic Studies, 3. The John Hopkins Press: Baltimore. 310 pp., more
In: The John Hopkins Oceanographic Studies. ISSN 0271-2229, more
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Keyword
    Marine/Coastal
Authors  Top 
  • Owen, D.M.
  • Sanders, H.L.
  • Hesseler, R.R.
Abstract
    Comparative counts of bottom-dwelling animals from photographs and grab samples reveal poor numerical correlation unless account is taken only of animals which are actually visible on the bottom. Tracks and trails seen on photographs are considered unsatisfactory in giving a quantitative estimation of benthic life. It appears that the camera is a satisfactory tool only for estimating epifaunal life since it gives no indication of the abundant life below tbe bottom included in the grab samples.
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