Table S2. Examples of metrics for each organism group (see methods for more details). sp., species
Richness & diversity
Phytoplankton
Macrophytes
Number of sp.
Diversity
Benthic diatoms
Benthic invertebrates
Fish
Number of sp.
Number of sp.
Number of sp.
Diversity
Diversity
Diversity
Evenness/dominance
Abundance
Evenness/dominance
Total phytoplankton biovolume
Coverage
Chlorophyll-a concentration
Depth of colonisation
Catch per unit effort (number and
biomass)
Secchi depth
Sensitivity/ tolerance
(including changes in
taxonomic
composition)
Phytoplankton Trophic Index
(PTI) (Phillips et al., 2011)
Lake Macrophyte Nutrient
Index (LMNI) (Willby, Pitt &
Phillips, 2009)
Percentage of impactsensitive diatoms
Benthic Quality Index (BQI)
(Rossaro et al., 2007)
Occurrence of indicator sp.
Percentage of cyanobacteria
Percentage of indicator sp.
Ratio of reference taxa
Abundance Index of sensitive sp.
Algal bloom intensity
Percentage of tolerant sp.
Trophic Diatom Index for
Lakes (Stenger-Kovács et al.,
2007; Kelly et al., 2007)
Average Score per Taxon index
(ASPT) (Armitage et al., 1983)
AWIC (Acid Water Indicator
Community) index (Schartau et al.,
2008)
Number of snail and mayfly taxa
Abundance of Charophytes,
Isoetids, Elodeids, filamentous
algae
Relative abundance of cyprinids,
bream, perch, roach, salmonids
Fish community index (relative
deviation of sp. abundance from
reference conditions)
Percentage of Odonata/Oligochaeta
Percentage of true flies/mayflies
Autoecological traits
Q index (based on functional
Number of Functional groups
groups of phytoplankton, Padisák
et al., 2006)
Relative abundance of growth
forms (floating-leaved plants,
free-floating plants, etc.)
Relative abundance of predators
Proportion of piscivorous,
benthivorous and omnivorous fish
Relative abundance of feeding
types
Abundance Index of migrating
spawners
Abundance Index of spawning guilds
Percentage of rheophilic sp.
Percentage of reproductive migrant
sp.
Number of age-classes
Abundance index of small-bodied sp.
Native vs. non-native
taxa
Percentage of exotic sp.
Presence of endangered sp.
Number of native fish sp.
Relative abundance of alien sp.