holoplankton


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holoplankton

[‚häl·ō′plaŋk·tən]
(zoology)
Organisms that live their complete life cycle in the floating state.
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At Cahuita, the meroplankton does not exceed the abundance and diversity of the holoplankton. However, among the essential components in a coral reef, a diverse range of larval forms were found.
Thirty-four holoplankton taxa belong to Ctenophora (Mnemiopsis leidyi A.
Holoplankton taxa After appearance of Mnemiopsis leidyi 1996-1997 2001 2002 Macrozooplankton Ctenophora: * Mnemiopsis leidyi A.
Although the meroplankton may be an important component of zooplankton communities, most of the biomass of these communities consists of holoplankton. Copepods are by far the dominant group, forming 50-90% of the individuals in these communities, and their biological cycle takes place entirely within the plankton.
Plankton samples contained a variety of larvae (meroplankton) and many other zooplankton (holoplankton).
One group of holoplankton, the copepods (coh' pah pods), deserves special mention.
29 species of copepods, 4 species of cladocera, 11 groups of holoplankton and 9 groups of meroplankton were determined in spring; 17 species of copepods, 4 species of cladocera and 8 groups of holoplankton and meroplankton, respectively, were determined in summer; 23 species of copepods, 2 species of cladocera, 10 groups of holoplankton and 7 groups of meroplankton were determined in autumn and 34 species of copepods, 12 groups of holoplankton and 7 groups of meroplankton were determined in winter.
Folsom fractioning was used to further divide the collected biomass into 1/8th subsamples, thereby facilitating the counting of neuston holoplankton and M.
Key words: Abundance, holoplankton, meroplankton, copepods, tropical estuary.
Holoplankton, meroplankton, and meiofauna associated with marine snow.
Among holoplankton, chaetognaths and appendicularians (Oikopleura spp.) were very frequent.