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Beyond the Plankton Ecology Group (PEG) Model mechanisms driving plankton succession

  • The seasonal succession of plankton is an annually repeated process of community assembly during which all major external factors and internal interactions shaping communities can be studied. A quarter of a century ago, the state of this understanding was described by the verbal plankton ecology group (PEG) model. It emphasized the role of physical factors, grazing and nutrient limitation for phytoplankton, and the role of food limitation and fish predation for zooplankton. Although originally targeted at lake ecosystems, it was also adopted by marine plankton ecologists. Since then, a suite of ecological interactions previously underestimated in importance have become research foci: overwintering of key organisms, the microbial food web, parasitism, and food quality as a limiting factor and an extended role of higher order predators. A review of the impact of these novel interactions on plankton seasonal succession reveals limited effects on gross seasonal biomass patterns, but strong effects on species replacements.

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Author:Ulrich Sommer, Rita AdrianORCiDGND, Lisette N. de Senerpont Domis, James J. Elser, Ursula GaedkeORCiDGND, Bas Ibelings, Erik Jeppesen, Miquel Lurling, Juan Carlos Molinero, Wolf M. Mooij, Ellen van Donk, Monika Winder
ISSN:1543-592X (print)
Parent Title (English):Annual review of ecology, evolution, and systematics
Parent Title (English):Annual Review of Ecology Evolution and Systematics
Publisher:Annual Reviews
Place of publication:Palo Alto
Editor:DJ Futuyma
Document Type:Review
Year of first Publication:2012
Year of Completion:2012
Release Date:2017/03/26
Tag:food quality; grazing; lakes; light; oceans; overwintering; parasitism; pelagic zone; seasonal patterns
First Page:429
Last Page:448
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Erd- und Umweltwissenschaften
Peer Review:Referiert