NDLI: Jelly-falls historic and recent observations: a review to drive future research directions

Content Provider	Springer Nature Link
Author	Lebrato, Mario Pitt, Kylie A. Sweetman, Andrew K. Jones, Daniel O. B. Cartes, Joan E. Oschlies, Andreas Condon, Robert H. Molinero, Juan Carlos Adler, Laetitia Gaillard, Christian Lloris, Domingo Billett, David S. M.
Copyright Year	2012
Abstract	The biological pump describes the transport of particulate matter from the sea surface to the ocean’s interior including the seabed. The contribution by gelatinous zooplankton bodies as particulate organic matter (POM) vectors (“jelly-falls”) has been neglected owing to technical and spatiotemporal sampling limitations. Here, we assess the existing evidence on jelly-falls from early ocean observations to present times. The seasonality of jelly-falls indicates that they mostly occur after periods of strong upwelling and/or spring blooms in temperate/subpolar zones and during late spring/early summer. A conceptual model helps to define a jelly-fall based on empirical and field observations of biogeochemical and ecological processes. We then compile and discuss existing strategic and observational oceanographic techniques that could be implemented to further jelly-falls research. Seabed video- and photography-based studies deliver the best results, and the correct use of fishing techniques, such as trawling, could provide comprehensive regional datasets. We conclude by considering the possibility of increased gelatinous biomasses in the future ocean induced by upper ocean processes favouring their populations, thus increasing jelly-POM downward transport. We suggest that this could provide a “natural compensation” for predicted losses in pelagic POM with respect to fuelling benthic ecosystems.
Starting Page	227
Ending Page	245
Page Count	19
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	690
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-03-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biological pump Gelatinous zooplankton Jelly-fall Organic matter Ecology Freshwater & Marine Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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