Functional responses of aggregate‐colonizing copepods

نویسندگان

چکیده

Zooplankton consumption of aggregates, such as marine snow, is an important factor in determining the efficiency biological carbon pump. However, feeding rates aggregate-associated small harpacticoid and poecilostomatoid copepods are largely unknown, factors that influence these rates. We measured functional responses pellet production (PP) aggregate-feeding on appendicularian houses, algal detrital Trichodesmium spp. tufts. The PP all increased with increasing aggregate concentrations, but response varied depending type. pelagic copepod Microsetella norvegica had highest while Oncaea benthic Amonardia normanni were houses. ingestion M. typically 0.04–0.13 μg C ind.−1 d−1, exception ca. three times higher houses 10 aggregates. larger species, A. normanni, generally higher, 0.3–1.3 d−1 even 10-fold Our results suggest degradation by can vary many-fold quality (origin) species. This have large consequences for attenuation vertical flux.

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ژورنال

عنوان ژورنال: Limnology and Oceanography

سال: 2022

ISSN: ['1939-5590', '0024-3590', '1939-5604']

DOI: https://doi.org/10.1002/lno.12187