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Diel variation in sea grass dwelling shrimp: when to sample at night?

  • S. De Grave (a1), D. Livingston (a1) and M.R. Speight (a1)
Abstract

The present study investigates hourly variation in nocturnal abundance fluctuations in a tropical, Caribbean sea grass bed. As expected, results indicate that significant diel variation is present. In addition all dominant species show an abundance peak shortly after sunset, with numbers gradually declining throughout the night. It is therefore suggested that nocturnal samples are not only incorporated into any sampling regime, but that nocturnal samples are taken within two hours after sunset.

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Corresponding author
Corresponding author, e-mail: sammy.degrave@oum.ox.ac.uk
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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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