Phytoplankton response to a changing climate

Winder, Monika and Sommer, Ulrich (2012) Phytoplankton response to a changing climate Hydrobiologia, 698 . pp. 5-16. DOI 10.1007/s10750-012-1149-2.

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Abstract

Phytoplankton are at the base of aquatic food webs and of global importance for ecosystem functioning and services. The dynamics of these photosynthetic cells are linked to annual fluctuations of temperature, water column mixing, resource availability, and consumption. Climate can modify these environmental factors and alter phytoplankton structure, seasonal dynamics, and taxonomic composition. Here, we review mechanistic links between climate alterations and factors limiting primary production, and highlight studies where climate change has had a clear impact on phytoplankton processes. Climate affects phytoplankton both directly through physiology and indirectly by changing water column stratification and resource availability, mainly nutrients and light, or intensified grazing by heterotrophs. These modifications affect various phytoplankton processes, and a widespread advance in phytoplankton spring bloom timing and changing bloom magnitudes have both been observed. Climate warming also affects phytoplankton species composition and size structure, and favors species traits best adapted to changing conditions associated with climate change. Shifts in phytoplankton can have far-reaching consequences for ecosystem structure and functioning. An improved understanding of the mechanistic links between climate and phytoplankton dynamics is important for predicting climate change impacts on aquatic ecosystems

Document Type: Article
Keywords: Food Webs; Light; Water column stratification; Temperature; Phenology; Primary production ; Cell size
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.: 10.1007/s10750-012-1149-2
ISSN: 0018-8158
Projects: Future Ocean
Date Deposited: 12 Jul 2012 13:08
Last Modified: 30 Jan 2017 12:16
URI: http://eprints.uni-kiel.de/id/eprint/14814

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