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The growth of Scrobicularia plana (da costa) in the Gwendraeth estuary

  • J. Green (a1)
Extract

Populations of Scrobicularia plana with densities up to 1025 per m2 are found in the Gwendraeth Estuary.

In a region where the population density was about 500 per m2 it was found that some specimens lived for 16‐18 years and reached a length of 54 mm. An approximate growth curve is given.

There is very little successful settlement of spat in the sampling area; less than 2% of the shells were under 10 mm in length in July 1955. This low figure is attributed to the feeding activities of the dense adult population making the area difficult to settle in.

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References
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Harvey, H. W., 1945. Recent Advances in the Chemistry and Biology of Sea Water. Cambridge University Press.
Holme, N. A., 1949. The fauna of sand and mud banks near the mouth of the Exe Estuary. J. mar. biol. Ass. U.K., Vol. 29, pp. 189237.
Raymont, J. E. G., 1955. The fauna of an intertidal mud flat. Deep-Sea Res., suppl. to Vol. 3, pp. 178203.
Spooner, G. M. & Moore, H. B., 1940. The ecology of the Tamar Estuary. VI. An account of the macrofauna of the intertidal muds. J. mar. biol. Ass. U.K., Vol. 24, pp. 283330.
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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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