Inexpensive and portable sampler for collecting eggs of free-spawning marine invertebrates underwater

Styan CA

doi:10.3354/meps150293

MEPS

Marine Ecology Progress Series

Online: ISSN 1616-1599

Print: ISSN 0171-8630

DOI: https://doi.org/10.3354/meps

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MEPS is a leading hybrid research journal on all aspects of marine, coastal and estuarine ecology. Priority is given to outstanding research that advances our ecological understanding.

Online: ISSN 1616-1599

Print: ISSN 0171-8630

DOI: https://doi.org/10.3354/meps

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Mar Ecol Prog Ser 150:293-296 (1997)

DOI: https://doi.org/10.3354/meps150293

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Inexpensive and portable sampler for collecting eggs of free-spawning marine invertebrates underwater

Styan CA

ABSTRACT: A simple device is described that can be used to collect the eggs of free-spawning marine invertebrates and that is cheap, portable and fool-proof. The air-displacement sampler was used to collect eggs from female sea urchins, Heliocidariserythrogramma, downstream from experimentally induced spawning males. Average fertilisation rates of eggs decreased downstream and were 87, 48, 40, 17 and 7% at 10, 100, 200, 400 and 1000 cm respectively.

KEYWORDS

Fertilisation ecology Sampling Sea urchin Heliocidaris Marine invertebrate

Styan CA (Co-author)

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