NDLI: Phytoplankton indicator taxa for reference conditions in Northern and Central European lowland lakes

Content Provider	Springer Nature Link
Author	Järvinen, Marko Drakare, Stina Free, Gary Lyche Solheim, Anne Phillips, Geoff Skjelbred, Birger Mischke, Ute Ott, Ingmar Poikane, Sandra Søndergaard, Martin Pasztaleniec, Agnieszka Wichelen, Jeroen Portielje, Robert
Copyright Year	2012
Abstract	Phytoplankton data from 606 lakes were used to characterize indicator taxa of near-pristine reference conditions in clearwater and humic lowland lakes of Northern and Central Europe. Reference lakes were selected based on low pressure from catchment land-use, low population density and the absence of point sources. Reference lakes had low phytoplankton biomass and taxa richness compared to non-reference lakes. In low alkalinity lakes of Northern Europe, the reference communities had high biomass proportions of chrysophytes and low proportions of cyanobacteria; in the Central European high alkalinity lakes, the biomass was distributed more evenly among algal groups. Indicator species analysis and similarity analysis listed 5–29 taxa indicating reference conditions. Indicator taxa differed especially between the low alkalinity and the high alkalinity lakes, but there were also country-specific differences. Most common indicator taxa for the northern reference lakes were chrysophytes (e.g. Bitrichia, Dinobryon). In the Central European reference lakes, diatoms (e.g. Cyclotella) were more characteristic. Despite the differences, there was a general finding that taxa present in reference lakes were often also present in non-reference lakes, but typically in lower biomass proportions; another characteristic of the reference communities is the absence of many taxa typically found in non-reference lakes.
Starting Page	97
Ending Page	113
Page Count	17
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	704
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-10-20
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Phytoplankton assemblages Algal indicators Eutrophication Indicator species analysis Europe Water framework directive Freshwater ecosystems Freshwater & Marine Ecology Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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