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Engel, Friederike G; Lewandowska, Aleksandra M; Eggers, Sarah Lena; Matthiessen, Birte (2017): Manipulation experiment on phytoplankton diversity, species composition and biomass [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.881071, Supplement to: Engel, FG et al. (2017): Manipulation of Non-random Species Loss in Natural Phytoplankton: Qualitative and Quantitative Evaluation of Different Approaches. Frontiers in Marine Science, 4, https://doi.org/10.3389/fmars.2017.00317

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Abstract:
Ecological research in recent decades revealed that species loss has a predominantly negative effect on ecosystem functioning and stability. Most of these studies were based on random species loss scenarios, but extinctions in nature are not random. Recent experimental studies using macroscopic communities largely advanced knowledge about the effects of non-random species loss. However, in microscopic communities like the phytoplankton, implementing realistic species loss scenarios is challenging and experimental data are scarce. Creating more realistic experiments to study the role of phytoplankton diversity for ecosystem functioning is particularly important, as they provide up to 50% of global primary productivity, form the basis of all pelagic food webs, and are important for biogeochemical cycling. In this study, we experimentally tested and evaluated three methods for non-random species loss in a natural marine phytoplankton community. Dilution, filtration, and heat stress removed the targeted rare, large, and sensitive species, respectively. All these species groups are extremely vulnerable to extinction in future climate scenarios and play important roles in the communities. Dilution and filtration with a fine mesh additionally decreased initial biomass, which increased the variability of species left in the respective replicates. The methods tested in this study can be used to non-randomly manipulate phytoplankton species diversity in communities used for experiments. However, in studies where species identities are more important than species richness, the dilution and filtration methods should be modified to eliminate the effect of decreasing initial biomass.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
SamplingSamplingEngel, Friederike G
TreatmentTreatEngel, Friederike G
ReplicateReplEngel, Friederike G
IdentificationIDEngel, Friederike G
TreatmentTreatEngel, Friederike GDilution: 0=no dilution, 1=weak dilution, 2=strong dilution
TreatmentTreatEngel, Friederike GFiltration: 0=no filtration, 1=weak filtration, 2=strong filtration
TreatmentTreatEngel, Friederike GStress: yes=heat stress applied, no=no heat stress applied
CellCell#/mlEngel, Friederike G
BiovolumeBiovolmm3/lEngel, Friederike G
10 Species richnessSEngel, Friederike G
11 Shannon Diversity IndexH'Engel, Friederike G
12 Pielou evenness indexJ'Engel, Friederike G
13 Dissimilarity indexDISSEngel, Friederike Gwithin treatment variation calculated from dissimilarites based on Bray-Curtis dissimilarity matrix
14 Skeletonema costatum, biovolumeS. costatum biovolµm3/mlEngel, Friederike G
15 Detonula confervacea, biovolumeD. confervacea biovolµm3/mlEngel, Friederike G
16 Chaetoceros spp., biovolumeChaetoceros spp. biovolµm3/mlEngel, Friederike G
17 Thalassiosira spp., biovolumeThalassiosira spp. biovolµm3/mlEngel, Friederike G
18 Heterocapsa rotundata, biovolumeH. rotundata biovolµm3/mlEngel, Friederike G
19 Plagioselmis sp., biovolumePlagioselmis sp. biovolµm3/mlEngel, Friederike G
20 Thalassionema nitzschioides, biovolumeT. nitzschioides biovolµm3/mlEngel, Friederike G
21 Thalassiosira rotula, biovolumeT. rotula biovolµm3/mlEngel, Friederike G
22 Nitzschia microcephala, biovolumeN. microcephala biovolµm3/mlEngel, Friederike G
23 Fragilaria sp., biovolumeFragilaria sp. biovolµm3/mlEngel, Friederike G
24 Asterionella formosa, biovolumeA. formosa biovolµm3/mlEngel, Friederike G
25 Ceratium fusus, biovolumeC. fusus biovolµm3/mlEngel, Friederike G
26 Eutreptiella sp., biovolumeEutreptiella sp. biovolµm3/mlEngel, Friederike G
27 Pseudo-nitzschia pungens, biovolumeP-n pungens biovolµm3/mlEngel, Friederike G
28 Ditylum brightwellii, biovolumeD. brightwellii biovolµm3/mlEngel, Friederike G
29 Navicula spp., biovolumeNavicula spp. biovolµm3/mlEngel, Friederike G
30 Cylindrotheca closterium, biovolumeC. closterium biovolµm3/mlEngel, Friederike G
31 Gymnodinium sp., biovolumeGymnodinium sp. biovolµm3/mlEngel, Friederike G
32 Dictyocha speculum, biovolumeD. speculum biovolµm3/mlEngel, Friederike G
33 Scenedesmus sp., biovolumeScenedesmus sp. biovolµm3/mlEngel, Friederike G
34 Teleaulax sp., biovolumeTeleaulax sp. biovolµm3/mlEngel, Friederike G
35 Dinobryon divergens, biovolumeD. divergens biovolµm3/mlEngel, Friederike G
36 Gyrodinium sp., biovolumeGyrodinium sp. biovolµm3/mlEngel, Friederike G
37 Tetraedron minimum, biovolumeT. minimum biovolµm3/mlEngel, Friederike G
38 Snowella sp., biovolumeSnowella sp. biovolµm3/mlEngel, Friederike G
39 Attheya decora, biovolumeA. decora biovolµm3/mlEngel, Friederike G
40 Dinobryon faculiferum, biovolumeD. faculiferum biovolµm3/mlEngel, Friederike G
41 Apedinella radians, biovolumeA. radians biovolµm3/mlEngel, Friederike G
42 Pseudopedinella sp., biovolumePseudopedinella sp. biovolµm3/mlEngel, Friederike G
43 Licmophora sp., biovolumeLicmophora sp. biovolµm3/mlEngel, Friederike G
44 Ebria tripartita, biovolumeE. tripartita biovolµm3/mlEngel, Friederike G
45 Diatomaceae centric, biovolumeDiatoma centric biovolµm3/mlEngel, Friederike G
46 Coelastrum sp., biovolumeCoelastrum sp. biovolµm3/mlEngel, Friederike G
47 Brockmanniella brockmannii, biovolumeB. brockmannii biovolµm3/mlEngel, Friederike G
Size:
1858 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Sampling

Treat

Repl

ID

Treat
(Dilution: 0=no dilution, 1=we...)

Treat
(Filtration: 0=no filtration, ...)

Treat
(Stress: yes=heat stress appli...)

Cell [#/ml]

Biovol [mm3/l]
10 
S
11 
H'
12 
J'
13 
DISS
(within treatment variation ca...)
14 
S. costatum biovol [µm3/ml]
15 
D. confervacea biovol [µm3/ml]
16 
Chaetoceros spp. biovol [µm3/ml]
17 
Thalassiosira spp. biovol [µm3/ml]
18 
H. rotundata biovol [µm3/ml]
19 
Plagioselmis sp. biovol [µm3/ml]
20 
T. nitzschioides biovol [µm3/ml]
21 
T. rotula biovol [µm3/ml]
22 
N. microcephala biovol [µm3/ml]
23 
Fragilaria sp. biovol [µm3/ml]
24 
A. formosa biovol [µm3/ml]
25 
C. fusus biovol [µm3/ml]
26 
Eutreptiella sp. biovol [µm3/ml]
27 
P-n pungens biovol [µm3/ml]
28 
D. brightwellii biovol [µm3/ml]
29 
Navicula spp. biovol [µm3/ml]
30 
C. closterium biovol [µm3/ml]
31 
Gymnodinium sp. biovol [µm3/ml]
32 
D. speculum biovol [µm3/ml]
33 
Scenedesmus sp. biovol [µm3/ml]
34 
Teleaulax sp. biovol [µm3/ml]
35 
D. divergens biovol [µm3/ml]
36 
Gyrodinium sp. biovol [µm3/ml]
37 
T. minimum biovol [µm3/ml]
38 
Snowella sp. biovol [µm3/ml]
39 
A. decora biovol [µm3/ml]
40 
D. faculiferum biovol [µm3/ml]
41 
A. radians biovol [µm3/ml]
42 
Pseudopedinella sp. biovol [µm3/ml]
43 
Licmophora sp. biovol [µm3/ml]
44 
E. tripartita biovol [µm3/ml]
45 
Diatoma centric biovol [µm3/ml]
46 
Coelastrum sp. biovol [µm3/ml]
47 
B. brockmannii biovol [µm3/ml]
peaksensitive2S.200yes106631.2015.87130.310.120.2514956973.1617518.11391965.16259971.362201.440.0014616.970.0027647.360.000.000.000.000.000.00215.89280.860.000.000.000.000.000.000.000.000.004990.07114175.2172219.150.0010894.310.000.000.00
peaksensitive10S.1000yes95000.8510.09110.600.250.188541711.1516423.23882693.20449950.449631.310.0097446.480.000.000.000.000.000.000.002806.58561.720.000.000.000.000.000.000.000.000.000.0074527.559642.450.005447.150.000.000.00
peaksensitive22S.2200yes77708.248.61130.450.170.207792475.1145620.07481469.0240495.548943.36918.6218271.220.001382.940.000.000.000.000.000.00179.91702.150.000.000.000.000.000.000.000.000.000.0088078.02102138.510.0027235.770.000.000.00
peaksensitive30S.3000yes92366.3911.57130.280.110.1811028980.4231477.8541974.22184479.6811832.750.0051159.400.004528.270.000.000.000.000.000.00647.67561.720.000.000.000.000.000.000.000.000.00296.1194853.2595353.090.0027235.770.000.000.00
peakweak filtration4F1.401no79537.5711.11121.000.400.248126182.931002487.61731462.55670426.1512383.112755.8515226.01424787.845742.140.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0042383.620.000.005356.920.0068089.430.000.000.00
peakweak filtration7F1.701no70566.179.05121.180.470.175710766.761122187.621243794.96544440.0310089.94459.3124361.62318590.881435.540.000.000.000.000.000.00134.930.000.000.000.000.000.000.000.000.000.000.0054201.860.000.0018157.180.000.000.00
peakweak filtration15F1.1501no73543.348.11131.250.490.174718706.24837900.091536997.25494945.4811007.211102.3410962.73467266.62862.670.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00296.116775.233214.150.0021788.620.000.000.00
peakweak filtration26F1.2601no48448.425.87120.870.350.234498538.19613462.5780244.84238473.7311557.57826.7612180.81382309.0514540.640.000.000.000.000.000.00215.890.000.000.000.000.000.000.000.000.000.00740.280.000.000.0021788.620.000.000.00
peakstrong filtration8F2.802no91204.309.13130.410.160.368301856.43289005.366172.68454449.946053.973582.617308.490.005742.140.000.000.000.000.000.001079.454212.890.000.000.000.000.000.000.000.000.000.0013550.4633212.870.005447.150.000.000.00
peakstrong filtration19F2.1902no26575.881.94111.120.470.591244245.56233552.480.00328463.8239901.143031.440.000.00189.350.000.000.000.000.000.00215.890.000.000.000.000.000.000.000.000.000.00148.0644039.0141783.940.005447.150.000.000.00
peakstrong filtration24F2.2402no54396.517.17100.610.270.296140861.05204093.530.00431005.1531645.732755.850.000.001640.610.000.000.000.000.000.000.00200.610.000.000.000.000.000.000.000.000.00337.67139070.55215028.450.000.000.000.000.00
peakstrong filtration32F2.3202no70740.775.64120.630.250.314809870.70105552.1022633.16440951.437796.770.006090.410.007848.430.000.000.000.000.000.000.00468.100.000.000.000.000.000.000.000.000.00296.1181302.79134994.260.0018157.180.000.000.00
peakweak dilution5D1.510no59066.4110.79111.340.560.374271879.13504031.511348730.52733419.210.00344.485329.103909725.020.000.000.000.000.000.000.004212.890.000.000.000.000.000.000.000.000.002220.850.005356.920.006808.940.000.000.00
peakweak dilution9D1.910no76892.8012.31130.780.300.3210024002.68413686.24682081.11688424.172476.621653.511218.08264818.170.000.000.000.000.000.000.00842.580.000.000.000.000.000.000.000.000.001036.40138892.2686782.020.005447.150.000.000.00
peakweak dilution20D1.2010no67783.829.05111.410.590.344240038.23637171.911981430.19611932.59825.54551.170.001486757.4321507.860.000.000.000.000.000.004317.810.000.000.000.000.000.000.000.000.000.001184.460.0062140.220.000.000.000.000.00
peakweak dilution23D1.2310no97878.2010.07130.550.220.358855939.41353229.6335801.54403884.08550.36275.5915835.05233633.312296.860.000.000.000.000.000.002158.900.000.000.000.000.000.000.000.000.000.002749.630.00152544.540.0010894.310.000.000.00
peakstrong dilution1D2.120no52739.584.72101.190.520.672048781.5520321.921253053.981295857.260.000.008526.570.006890.570.000.000.000.000.000.00431.78280.860.000.000.000.000.000.000.000.000.001332.510.0088924.790.000.000.000.000.00
peakstrong dilution14D2.1420no111020.5718.2590.340.150.5716913822.60791666.22138885.29364459.85275.180.0026797.780.006675.220.000.000.000.000.000.000.00280.860.000.000.000.000.000.000.000.000.003997.540.000.000.000.000.000.000.00
peakstrong dilution27D2.2720no62747.3212.6991.240.560.554752039.891535329.3930863.401268860.23171.990.000.005097454.050.000.000.000.000.000.000.00175.540.000.000.000.000.000.000.000.000.002961.140.006428.300.000.000.000.000.00
peakstrong dilution29D2.2920no163441.4210.3080.600.290.468512524.501040205.821928.96714921.250.000.000.000.0015442.680.000.000.000.000.000.000.00175.540.000.000.000.000.000.000.000.000.001069.300.0015475.530.000.000.000.000.00
peakweak dilution of heat stressed3SxD1.310yes91999.8912.64110.540.220.1210722871.8010891.491549171.15129985.68332.570.000.000.002296.860.000.000.000.000.000.00215.89280.860.000.000.000.000.000.000.000.000.003207.900.00123804.260.0098351.400.000.000.00
peakweak dilution of heat stressed6SxD1.610yes121678.2514.1190.660.300.1510584629.5215965.733159640.43292467.78230.950.008120.540.000.000.000.000.000.000.00359.827606.610.000.000.000.000.000.000.000.000.000.000.0040623.270.000.000.000.000.00
peakweak dilution of heat stressed13SxD1.1310yes111770.3310.86100.760.330.148318464.1811317.231727174.57467948.4555.43275.598526.570.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00733.23318758.5410611.790.000.000.000.000.00
peakweak dilution of heat stressed17SxD1.1710yes90128.919.52120.410.160.158591708.3412529.09668706.97159527.88886.86551.173654.240.002208.640.000.000.000.000.000.000.005532.080.000.000.000.000.000.000.000.000.002916.270.0067529.600.005447.150.000.000.00
peakstrong dilution of heat stressed12SxD2.1220yes136207.8023.3390.240.110.6022202715.9064291.70745709.59307238.880.000.000.000.003756.730.000.000.000.000.000.000.00351.070.000.000.000.000.000.000.000.000.001555.350.005627.470.003404.470.000.000.00
peakstrong dilution of heat stressed21SxD2.2120yes83373.058.9660.890.500.562893056.280.005499857.63386957.380.000.000.000.0056886.900.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.002072.800.00122137.660.000.000.000.000.00
peakstrong dilution of heat stressed25SxD2.2520yes132568.4415.9470.770.390.418178487.630.007510635.12246288.660.000.000.000.002511.090.000.000.000.000.000.000.00351.070.000.000.000.000.000.000.000.000.001013.020.004887.010.000.000.000.000.00
peakstrong dilution of heat stressed31SxD2.3120yes109682.578.4080.570.270.507218058.615736.4669442.65253472.08137.590.000.000.00648945.330.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.002566.320.00204277.030.000.000.000.000.00
peakcontrol11Co.1100no57964.998.47140.970.370.246259045.66666760.58543195.82418453.917705.05275.5924361.62509745.414554.010.000.000.000.000.000.00215.89280.860.000.000.000.000.000.000.000.000.000.0030488.542142.770.005447.150.000.000.00
peakcontrol16Co.1600no61010.486.83121.290.520.223963036.82712740.311259226.66503944.4921739.24551.1725579.70254872.701148.430.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00888.340.0051426.390.0038130.080.000.000.00
peakcontrol18Co.1800no40415.094.76161.340.480.312436846.091109709.07506159.74179980.173095.781377.9310658.21477886.323588.840.000.000.000.000.000.00539.73175.540.000.000.000.000.000.000.000.002119.18444.1710162.852142.770.0010213.420.000.000.00
peakcontrol28Co.2800no50165.806.80111.040.430.194804113.58763451.28419742.22472447.964402.88551.1723143.54276112.091157.080.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0022499.040.0016341.460.000.000.00
initialcontrolCo00no14005.002.63221.720.56339905.51471482.2756339.761255233.6647449.2651269.6541226.1614469.962256.904045.3865208.000.000.000.000.001838.501103.891480.944186.002034.52339.000.000.000.000.000.000.000.000.00106650.0019030.702363.32875.50141295.09
initialsensitiveS00yes14548.002.24201.630.54782693.43201827.5044883.11828634.9963384.1544349.4539896.28166404.501504.602696.9232604.000.005012.610.000.001602.79919.913317.302093.005425.385254.500.00296.190.000.000.000.000.000.000.004757.670.000.000.00
initialweak filtrationF101no12275.002.22201.530.51288183.20448085.4048117.931145980.3850351.9031291.3413564.7465114.803510.736742.3142042.000.000.000.000.00188.56797.261362.462093.00678.17339.000.0059.240.000.000.000.000.000.000.001189.420.000.0069753.27
initialstrong filtrationF202no4979.000.85201.500.5074772.4656010.68943.49488299.2548219.3539896.452393.787234.983009.191348.466864.000.000.000.000.00565.691042.571895.604186.000.00169.500.00118.480.000.000.000.000.000.00106650.002378.840.001167.330.00
initialweak dilutionD110no1472.000.33161.560.5630246.3162155.312021.76164076.41177.711323.863989.630.001504.600.0024882.000.000.000.000.0094.28122.6559.242093.00678.170.000.000.000.000.000.000.000.000.0026662.508325.930.000.000.00
initialstrong dilutionD220no229.000.10161.670.602136.3617252.23269.5720435.86533.14120.352127.807234.980.000.000.0039000.000.004532.000.0094.2861.330.000.000.000.00209.0059.240.000.000.000.000.000.000.001189.420.00291.830.00
initialweak dilution of heat stressedSxD110yes2658.000.45191.750.59116600.0731432.1512804.49182350.7911906.7412095.305851.457234.981755.360.0012012.000.000.000.0046603.25424.2761.3359.240.000.00169.500.0059.241105.500.000.000.000.000.000.003568.260.00291.830.00
initialstrong dilution of heat stressedSxD220yes215.000.06131.540.6013267.906380.961482.638056.45355.430.001329.880.00250.770.000.000.000.000.000.0047.1461.330.000.000.000.000.0059.240.0010.430.000.000.000.0026662.501189.420.000.000.00