Functional response of early stages of the cuttlefish Sepia officinalis preying on the mysid Mesopodopsis slabberi

Seller: ConchBooks, Harxheim, GermanyConchBooks

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The functional response of Sepia officinalis early stages, preying on mysids of the species Mesopodopsis slabberi was investigated. The effects of five prey densities (12.5, 25, 37.5, 50 and 125 mysids l?1) and two hatchling ages (1-day-old and 7-day-old) on consumption rate and the frequency of non-feeding animals were tested. Older animals were approximately 50% heavier than newly hatched ones. Hatchlings were individually assayed under 0.25 W m?2 natural light, 37.8 psu in salinity and 19°C. The effect of prey density on consumption rate was highly significant and no effect of age was detected within the age range tested. Maximal values recorded for consumption rate were about 0.45 mysids h?1. The frequency of non-feeding individuals was strongly reduced at saturating prey densities. The functional response curve showed an interval of prey densities for which density-dependent prey mortality is probable. 6 pp., 4.

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Bibliographic details

Title
Functional response of early stages of the cuttlefish Sepia officinalis preying on the mysid Mesopodopsis slabberi
Author
Márquez, L., Caballos, M. & Domingues, P.
Publication year
2007

ConchBooks

Harxheim, Germany

4-star seller

AbeBooks seller since March 1, 2007

Shipping rates from Germany to U.S.A.

Item25 to 45 business days8 to 14 business days
First item£ 20.64£ 29.24
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Store description

Founded in 1985 we are specialized in worldwide literature on Mollusca and marine invertebrates. Our publishing house has meanwhile published approximately 60 titles on that field of interest. We have stocks of most available international books on Malacology and a huge amount of antiquarian literature, even of the latter most titles are only available once.

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Weichtiere / Shells, Schnecken / Snails & Slugs, Muscheln / Bivalves, Tintenfische / Squids / Octopusses / Ammonites, Malacology, Conchology, Marine Biology

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ConchBooks

Germany