Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • Letter
  • Published:

Movement of Zooplankton in Diatom Gradients


Hardy and Gunther1 and Harvey et al.2 have proposed somewhat opposing hypotheses in explanation of a phenomenon widely observed in the sea, namely, an inverse correlation in catches of zooplankton and phytoplankton. Hardy's hypothesis, that of "animal exclusion", is supported in some degree by the experimental work of Lucas3; and Harvey's, of the "grazing effect of zooplankton", by various observations on rates of feeding, and statistically by Fleming4 and others.

This is a preview of subscription content, access via your institution

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Similar content being viewed by others


  1. Hardy, A. C., and Gunther, E. R., "Discovery" Rep., 11, 1 (1935).

    Google Scholar 

  2. Harvey, H. W., Cooper, L. H. N., Lebour, M. V., and Russell, F. S., J. Mar. Biol. Assoc. U.K., 20, N.S., 407 (1935).

    Article  Google Scholar 

  3. Lucas, C. E., J. Cons. int. Explor. Mer., 11, 343 (1936).

    Article  Google Scholar 

  4. Fleming, R. H., J. Cons. int. Explor. Mer., 14, 1 (1939).

    Article  Google Scholar 

  5. Allen, E. J., and Nelson, E. W., J. Mar. Biol. Assoc. U.K., 8, N.S., 421 (1910).

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Rights and permissions

Reprints and permissions

About this article

Cite this article

BAINBRIDGE, R. Movement of Zooplankton in Diatom Gradients. Nature 163, 910–911 (1949).

Download citation

  • Issue Date:

  • DOI:

This article is cited by


By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing