Modifying the PEG model for Mediterranean lakes - no biological winter and strong fish predation

Moustaka-Gouni, Maria, Michaloudi, Evangelia and Sommer, Ulrich (2014) Modifying the PEG model for Mediterranean lakes - no biological winter and strong fish predation Freshwater Biology, 59 (6). pp. 1136-1144. DOI 10.1111/fwb.12335.

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Abstract

The widely cited Plankton Ecology Group (PEG) model of plankton seasonal succession is often used as a template to explain the seasonal changes in plankton communities outside the cold temperate zone, where it was developed, but this may be inappropriate for lower-latitude lakes.
Lower-latitude lakes have high light availability in winter and less pronounced seasonal variations in fish predation on zooplankton. We might therefore expect higher phytoplankton crops in winter and much more predation on zooplankton by fish than in colder lakes. This might lead to less grazing in summer and relatively higher phytoplankton crops.
We compared data on phytoplankton biovolume, zooplankton biomass and body size from 18 German and 6 Greek lakes to test these hypotheses.

Document Type: Article
Additional Information: WOS:000333964700003
Keywords: light; phytoplankton; seasonality; top-down control; zooplankton
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EOE-N Experimental Ecology - Food Webs
OceanRep > The Future Ocean - Cluster of Excellence
Refereed: Yes
DOI etc.: 10.1111/fwb.12335
ISSN: 0046-5070
Projects: Future Ocean
Date Deposited: 22 Apr 2014 09:16
Last Modified: 16 Jan 2017 11:04
URI: http://eprints.uni-kiel.de/id/eprint/24331

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