Fig 1.
Location of the study area and sites at Hulanhe Wetland.
Fig 2.
Temporal and spatial variations of the main environmental variables in Hulanhe Wetland.
Table 1.
Environmental variables at eight sampling sites in Hulanhe Wetland.
Fig 3.
The comprehensive trophic state index at four study area in Hulanhe Wetland.
Table 2.
The values of TSI(BOD), TSI(COD), TSI(TN), TSI(TP), and TSI(∑) of the Hulanhe Wetland.
Table 3.
Dominance factor values of the seasonal phytoplankton dominant species in Hulanhe Wetland.
Fig 4.
The distribution of phytoplankton abundance in Hulanhe Wetland.
Table 4.
Diversity and evenness at the sampling sites in Hulanhe Wetland.
Fig 5.
Redundancy analysis (RDA) of phytoplankton assemblages in Hulanhe Wetland.
An-ac: Ankistrodesmus acicularis; An-sp: Ankistrodesmus spiralis; As-fo: Asterionella formaosa; Ce-hi: Ceratium hirundinella; Cl-ac: Closterium acerosum; Co-gr: Cosmarium granatum; Cy-ac: Cyrosigma acu-minatum; Cy-cu: Cymbella cuspidate; Cy-me: Cyclostella meneghiniana; Cy-ex: Cymbella excise; Cy-tu: Cymbella tumida; Eu-ac: Euglena acus; Fr-va: Fragilaria vaucheriae; Go-ac: Gomphonema acuminatum; Go-an: Gomphonema angustatum; Go-pa: Gomphonema parvulum; Me-gr: Melosira granulate; Me-te: Merismopedia tenuissima; Na-ca: Navicula capitatoradiata; Na-vi: Navicala viridula; Ni-ca: Nitzschia cap-itellata; Os-te: Oscillatoria tenuis; Pa-mo: Pandorina morum; Sc-qu: Scenedesmus quadricauda; Sy-ac: Synedra acus.
Table 5.
RDA between phytoplankton species and environmental variables for the studied period.
Fig 6.
Relationships between TSI and Shannon-Weaver, Pielou indices of phytoplankton in Hulanhe Wetland.