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Ecology of testate amoebae (Protists) in a Sphagnum-dominated peat bog and the relationship between species assemblages and environmental parameters

Michał Niedźwiecki
Michał Niedźwiecki
, 
Tomasz Mieczan
Tomasz Mieczan
 e 
Małgorzata Adamczuk
Małgorzata Adamczuk
   | 22 set 2016
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Article Category: Original research paper
Pubblicato online: 22 set 2016
Pagine: 344 - 352
Ricevuto: 21 set 2015
Accettato: 23 dic 2015
DOI: https://doi.org/10.1515/ohs-2016-0031
© 2016 Faculty of Oceanography and Geography, University of Gdańsk, Poland. All rights reserved
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Location of the study area and sampling sites
Location of the study area and sampling sites

Figure 2

Biplots of DCA axes 1 and 2 showing species populations of testate amoebae (A) and habitats (B)
Biplots of DCA axes 1 and 2 showing species populations of testate amoebae (A) and habitats (B)

Figure 3

CCA biplots showing relationships between environmental variables and habitats (A) and testate amoebae populations (B). Arrows indicate significant parameters in the Monte Carlo permutation test at P < 0.05. Species codes: Amp.wri, Amphitrema wrightianum; Arc.cat, Arcella catinus type; Arc.dis, Arcella disoides type; Arc.sp, Arcella sp.; Arc.vul, Arcella vulgaris; Ass.mus, Assulina muscorum; Arc.fla, Archerella Flavum; Ass.mus, Assulina muscorum; Ass.sem, Assulina seminulum; Cen.acu, Centropyxis aculeata type; Cen.aer, Centropyxis aerophila; Cen.pla, Centropyxis platystoma type; Cor.dub, Corythion dubium; Cor.tri, Corythion-Trinema type; Cry.ovi, Cryptodifflugia oviformis; Cyc.arc, Cyclopyxis arcelloides type; Cyc.amp, Cyphoderia ampulla; Dif.ele, Difflugia elegans; Dif.glo, Difflugia globulosa; Dif.lei, Difflugia leidyi; Dif.sp, Difflugia sp.; Eug.cil, Euglypha ciliata; Eug.com, Euglypha compressa; Eug.rot, Euglypha rotunda type; Eug.sp., Euglypha sp.; Eug.str, Euglypha strigosa; Eug.tub, Euglypha tuberculata type; Hel.pet, Heleopera petricola; Hel.ros, Heleopera rosea; Hel.sph, Heleopera sphagni; Hya.ele, Hyalosphenia elegans; Hya.ova, Hyalosphenia ovalis; Hya.pap, Hyalosphenia papilio; Hya.sub, Hyalosphenia subflava; Neb.boh, Nebela bohemica; Neb.car, Nebela carinata; Neb.col, Nebela collaris; Neb.par, Nebela parvula; Neb.fla, Nebela flabellulum; Neb.gri, Nebela griseola type; Neb.mil, Nebela militaris; Neb.sp, Nebela sp.; Neb.tin, Nebela tincta; Neb.vit, Nebela vitraea type; Pla.sci, Placocista spinosa type; Tri.arc, Trigonopyxis arcula
CCA biplots showing relationships between environmental variables and habitats (A) and testate amoebae populations (B). Arrows indicate significant parameters in the Monte Carlo permutation test at P < 0.05. Species codes: Amp.wri, Amphitrema wrightianum; Arc.cat, Arcella catinus type; Arc.dis, Arcella disoides type; Arc.sp, Arcella sp.; Arc.vul, Arcella vulgaris; Ass.mus, Assulina muscorum; Arc.fla, Archerella Flavum; Ass.mus, Assulina muscorum; Ass.sem, Assulina seminulum; Cen.acu, Centropyxis aculeata type; Cen.aer, Centropyxis aerophila; Cen.pla, Centropyxis platystoma type; Cor.dub, Corythion dubium; Cor.tri, Corythion-Trinema type; Cry.ovi, Cryptodifflugia oviformis; Cyc.arc, Cyclopyxis arcelloides type; Cyc.amp, Cyphoderia ampulla; Dif.ele, Difflugia elegans; Dif.glo, Difflugia globulosa; Dif.lei, Difflugia leidyi; Dif.sp, Difflugia sp.; Eug.cil, Euglypha ciliata; Eug.com, Euglypha compressa; Eug.rot, Euglypha rotunda type; Eug.sp., Euglypha sp.; Eug.str, Euglypha strigosa; Eug.tub, Euglypha tuberculata type; Hel.pet, Heleopera petricola; Hel.ros, Heleopera rosea; Hel.sph, Heleopera sphagni; Hya.ele, Hyalosphenia elegans; Hya.ova, Hyalosphenia ovalis; Hya.pap, Hyalosphenia papilio; Hya.sub, Hyalosphenia subflava; Neb.boh, Nebela bohemica; Neb.car, Nebela carinata; Neb.col, Nebela collaris; Neb.par, Nebela parvula; Neb.fla, Nebela flabellulum; Neb.gri, Nebela griseola type; Neb.mil, Nebela militaris; Neb.sp, Nebela sp.; Neb.tin, Nebela tincta; Neb.vit, Nebela vitraea type; Pla.sci, Placocista spinosa type; Tri.arc, Trigonopyxis arcula

Seasonal changes in physical and chemical parameters of the investigated peat bog

Parameters units
2013 2014
months
IV V VI VII VIII IX X XI IV V VI VII VIII IX X XI
Temp. °C 18.0 21.6 23.4 21.7 20.2 14.4 14.3 14.3 21.2 21.2 14.8 23.7 18.8 17.4 3.6 3.6
pH 3.1 3.1 3.9 3.3 6.2 6.5 3.9 3.9 3.5 3.5 4.6 5.2 7.7 3.9 3.9 3.9
Conductivity μS cm-1 44.0 44.0 24.0 35.0 60.0 23.0 59.0 59.0 31.0 31.0 18.0 50.0 53.0 67.0 68.0 68.0
Oxygen mg O2 l-1 5.9 5.9 5.6 7.0 13.1 3.8 9.4 9.4 5.6 5.6 8.7 5.2 7.5 5.9 11.1 11.1
N-NH4+ mg N-NH4 l-1 0.135 0.155 0.125 2.696 0.256 0.012 0.070 0.070 0.020 0.020 0.020 0.016 0.021 0.011 0.023 0.023
N-NO3 mg N-NO3 l-1 1.156 1.156 0.740 1.014 0.805 1.602 1.030 0.030 0.658 0.658 0.096 0.757 0.533 0.582 0.651 0.651
Ntot mg N l-1 4.318 4.318 1.134 0.159 1.158 1.523 2.57 2.567 4.318 4.318 1.134 0.16 1.16 1.52 2.57 2.57
Ptot mg P l-1 0.434 0.434 1.262 0.590 0.402 0.278 0.569 0.569 0.739 0.739 0.449 0.500 0.612 0.551 0.774 0.774
Chlorophyll a μS l-1 185.6 160.6 277.4 265.2 95.1 170.3 118.0 118.0 33.5 33.5 24.2 103.7 77.1 26.9 47.1 47.1
TOC mg C l-1 75.3 75.3 37.8 74.0 126.5 37.8 60.5 60.5 38.5 38.5 23.8 42.0 27.7 38.0 38.8 38.8
DWT cm 7.0 6.0 9.0 11.0 11.0 17.0 23.0 17.0 9.0 9.0 7.0 11.0 9.0 18.0 19.0 22.0
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