Table S1. Descriptor species (biovolume> 5%) and phytoplankton functional groups (FGs) classified according to Reynolds et al. (2002) and Padisak et al. (2009), registered during the filling phase of Santa Clara reservoir

FG / Taxa in the group / FG / Taxa in the group
X2 / Chroomonas acutaUter.
Chlamydomonassp.1
Chlamydomonas sp. 2
Cryptomonas brasiliensisCastro, Bic. & Bic.
Pyramidomonassp / Meso-eutrophic environments.
with light availability, susceptible to predation, tolerates stratification. / Na / StaurodesmusO'Mearii(Archer) Teil
Cosmarium cf. regnesiRein
Cosmarium cf.margaritaceum(Ehr.) ex Ralfs
Closterium sp.
Cosmariumsp. / Oligo-mesotrophic, atelomictic environments at lower latitudes with species sensitive to destratification.
J / Desmodesmus opoliensisRich.
Coelastrum pseudomicroporumKor.
Tetrastrumheteracanthum(Nordst.) Chod
Scenedesmusecornis(Ehr. ex Ralfs) Chod
Stauridium tetras(Ehr.) Heg. in Buch.et al / Shallow, mixed, highly enriched systems (including many low-gradient rivers) / P / Aulacoseira granulata(Ehr.) Sim
Aulacoseira granulata(Ehr.) Sim var. angustissima(O. Müller)
Closteriopsis sp.
Eutetramorusfotti(Hind.) Kom. Sensu Kom.
Chlorophyceae cocoide não identif. / Similar to that of codon N but at higher trophic states
D / SynedragoulardiiBréb.
Synedrasp.
Fragilaria longifusiformis(Hai. & Seb.) Siv.et al.
Nitzschia cf. palea(Kütz.) Smith
Ulnaria ulna (Nitz.) Comp / Shallow turbid waters including rivers. / E / Mallomonassp
DinobryondivergensImh.
DinobryonsertulariaEhr.
Kephyrion sp. / Oligotrophic environments, tolerates low nutrient conditions or heterotrophic ponds (mixotrophy)
Y / Cryptomonassp.
Cryptomonas marssoniiSkuja
Cryptomonas curvataEhr. emend. Pen. / Reflect the ability of its representative species to live in almost all lentic ecosystems when grazing pressure is low. / MP / Cymbella sp.
Naviculasp,
Cocconeis sp.
Komvophoronsp. / Frequently stirred up, inorganically turbid shallow lakes
B / Aulacoseira herzogii(Lemm.) Sim / Mesotrophic small- and medium- sized lakes with species sensitive to the onset of stratification / A / Cyclotellasp. / Clear, deep, base poor lakes, with species sensitive to pH rise
M / MicrocystisaeruginosaKütz / Eutrophic to hypertrophic, small- to medium-sized water bodies / F / Ankistrodesmus fusiformis Cor. / Clear, deeply mixed meso-eutrophic lakes
C / Aulacoseira alpigena(Grun.) Kram
Aulacoseira ambigua(Grun.) Sim / Eutrophic small- and medium-sized lakes with species sensitive to the onset of stratification / K / AphanocapsakoordersiiStröm
Pannus sp. / Shallow, nutrient-rich water columns.
Lo / Peridiniumsp. / Epilimnia in mesotrophic lakes (mixotrophy), tolerates low nutrient conditions / S1 / Pseudanabaenasp. / Turbid mixed environments. This codon includes only shade adapted cyanoprokaryotes
Ws / Synurasp. / Ponds, rich in organic matter from decomposition of vegetal matter (humic environments), but not acidic (mixotrophy).