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Schirrmeister, Lutz; Herzschuh, Ulrike; Pestryakova, Luidmila A; Wetterich, Sebastian; Frolova, Larisa A; Ushnitskaya, Lena A (2023): Pokhodsk field data of freshwater communities and environmental data of polygon tundra in the Kolyma Delta near Pokhodsk (NE Siberia) sampled in 2012 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.951024, In: Schirrmeister, L et al. (2023): Freshwater communities and environmental data of polygon tundra in the Kolyma Delta near Pokhodsk (NE Siberia) sampled in 2012 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.951122

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Abstract:
Patterned ground of the polygonal tundra yields sensitive indicators of environmental and climate change. Polygon ponds, mires and cryosoils are typical components of Arctic Siberian wetlands underlain by permafrost. Field studies of recent environmental dynamics were carried out within the frame of the joint German-Russian DFG-RFBR project Polygons in tundra wetlands: state and dynamics under climate variability in Polar Regions (POLYGON) field studies were carried out in the Kolyma Delta in 2012 around the small fishing settlement Pokhodsk in summer 2012 and 2013. Using a multidisciplinary approach, several stages of polygonal systems were studied as modern tundra habitats . The floral and faunal associations of the polygonal tundra landscape were described. Ecological, hydrological, meteorological, limnological and cryological features were analyzed in order to evaluate modern environmental conditions and their essential controlling parameters. A monitoring program was carried out to measure changes of air, water and ground temperatures as well as water conductivity, water level and soil moisture and to collect water, diatom, zooplankton, and zoobenthos, samples. These data sets contain environmental field data, logger data, various ecological data, and analyses of sediments and water.
Keyword(s):
air temperature; electrical conductivity; environmental data; ground temperature; hydrochemical parameters; hydrological data; sediment analysis; Soil Moisture; water temperature; Zooplankton
Related to:
Schirrmeister, Lutz; Pestryakova, Luidmila A; Schneider, Andrea; Wetterich, Sebastian (2016): Studies of Polygons in Siberia and Svalbard. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 697, 275 pp, https://doi.org/10.2312/BzPM_0697_2016
Project(s):
Polygons in tundra wetlands: state and dynamics under climate variability in Polar Regions (POLYGON)
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 164232461: Polygons in tundra wetlands: state and dynamics under climate variability in Polar Regions
Coverage:
Median Latitude: 69.090928 * Median Longitude: 160.938326 * South-bound Latitude: 69.054361 * West-bound Longitude: 160.862343 * North-bound Latitude: 69.126443 * East-bound Longitude: 161.001809
Date/Time Start: 2012-07-15T00:00:00 * Date/Time End: 2012-08-26T00:00:00
Event(s):
AWI_POK-01  * Latitude: 69.095100 * Longitude: 160.938760 * Date/Time Start: 2012-07-16T00:00:00 * Date/Time End: 2013-08-29T00:00:00 * Location: Siberia, Russia * Campaign: RU-Land_2012_Kytalyk_Kolyma (Kytalyk-Pokhodsk_2012, Kolyma2012) * Basis: AWI Arctic Land Expedition * Method/Device: Monitoring station (MONS)
AWI_POK-02  * Latitude: 69.091650 * Longitude: 160.938380 * Date/Time: 2012-07-15T00:00:00 * Location: Siberia, Russia * Campaign: RU-Land_2012_Kytalyk_Kolyma (Kytalyk-Pokhodsk_2012, Kolyma2012) * Basis: AWI Arctic Land Expedition * Method/Device: Sampling/measurement on land (LAND)
AWI_POK-03  * Latitude: 69.094600 * Longitude: 160.938550 * Date/Time: 2012-07-18T00:00:00 * Location: Siberia, Russia * Campaign: RU-Land_2012_Kytalyk_Kolyma (Kytalyk-Pokhodsk_2012, Kolyma2012) * Basis: AWI Arctic Land Expedition * Method/Device: Sampling/measurement on land (LAND)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
633 data points

Data

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Event

Site

Date/Time

Latitude

Longitude

Depth water [m]

Terrain

Poly type

Substrate
10 
Fauna
(Flora/Fauna)
11 
TTT [°C]
12 
Temp [°C]
13 
Thaw depth [cm]
(at the polygon center)
14 
l [m]
(of water body)
15 
w [m]
(of water body)
16 
Area [m2]
(of water body)
17 
pH
18 
Cond [mS/cm]
19 
[NH4]+ [mg/l]
20 
[NO3]- [mg/l]
21 
O2 [mg/l]
22 
AT [µmol/l]
23 
Hardness
(total hardness (°dH))
24 
Depth water [m]
(Sample depth, hydrochemistry)
25 
Depth sed [m]
(Sample depth, Sedimentology)
26 
Core
AWI_POK-01 POK-01-12012-07-16T00:00:0069.09510160.938760.21Viska floodplainIntrapolygon pond in low-centered polygonfine dispersed organic mud with weakly decomposed plant materialAlnaster fruticosa, Andromeda polifolia, Betula exilis, Chamaedaphne calyculata, Eriophorum vaginatum, Ledum decumbens, Vaccinium uliginosum, Sphagnum spp., brown mosses; on hummocks Carex spp., Drephanocladus cf. revolvens, Potentilla palustris, Rubus chamaemorus, Vaccinium vitis-ideae15.90023.340.00020.017.00340.0007.60.1140.1070.1568.80.73.00.1500.300
AWI_POK-01POK-01-22012-07-22T00:00:0069.09510160.938760.20Viska floodplainIntrapolygon pond in low-centered polygon21.30016.240.00020.017.00340.0007.60.1100.0100.1259.20.83.00.150
AWI_POK-01POK-01-32012-07-28T00:00:0069.09510160.938760.21Viska floodplainIntrapolygon pond in low-centered polygon7.6007.148.00020.017.00340.0007.40.0850.0390.1399.80.63.00.150
AWI_POK-01POK-01-42012-08-04T00:00:0069.09510160.938760.20Viska floodplainIntrapolygon pond in low-centered polygon10.20010.040.00020.017.00340.0007.40.0900.0290.16311.00.63.50.150
AWI_POK-01POK-01-52012-08-11T00:00:0069.09510160.938760.43Viska floodplainIntrapolygon pond in low-centered polygon16.80014.235.00020.017.00340.0006.70.0930.0400.2579.00.83.50.200
AWI_POK-01POK-01-62012-08-17T00:00:0069.09510160.938760.55Viska floodplainIntrapolygon pond in low-centered polygon5.9006.022.00020.017.00340.0007.10.1020.0270.3379.61.03.00.100
AWI_POK-01POK-01-72012-08-24T00:00:0069.09510160.938760.60Viska floodplainIntrapolygon pond in low-centered polygon7.1007.812.00020.017.00340.0007.40.1070.0270.30711.81.03.50.100
AWI_POK-02 POK-022012-07-15T00:00:0069.09165160.938380.57Viska floodplainInterpolygon pondorganic mud with plant fragmentsMenyanthes trifoliata, Betula nana, Carex aquatilis ssp. stans, Eriophorum scheuchzeri, Vaccinium uligunosum, Salix sp., Alnus fruticosa, Utricularia intermedia, Utricularia vulgaris, Andromeda polifolia, Carex sp., Sphagnum spp.24.60015.20.0008.014.00112.0006.60.1130.0400.2875.20.64.50.1500.570
AWI_POK-03 POK-032012-07-18T00:00:0069.09460160.938550.25Viska floodplainInterpolygon pondweakly decomposed plant materialPolygon rim: Arctagrostis latifolia, Alnus fruticosa, Betula exilis, Ledum palustre, Vaccinium vitis-idea, Eriophorum vaginatum, Rubus chamaemorus, Empetrum nigrum, Vaccinium uligunosum, Polygonum tripterocarpa; In pond: Salix sp., Betula nana (submerged), Eriophorum vaginatum, V. uligunosum, Rubus chamaemorus, Ranunculus lapponicus6.5006.725.0003.04.0012.0006.80.1320.0541710.0005.01.04.00.1500.250
AWI_POK-04 POK-042012-07-19T00:00:0069.09401160.942660.70Viska floodplainIntrapolygon pond in low-centered polygonbrown organic mudPolygon rim: Alnus fruticosa, Betula exilis, Ledum palustre, Rubus chamaemorus, Vaccinium uliginosum; At shore: Menyanthes trifoliata, Eriophorum angustifolium, Eriophorum scheuchzerii, Carex aquatilis ssp. stans, Chamaedaphne calyculata, Salix sp., Potentilla palustre, Utricularia vulgaris16.30011.128.00017.316.00276.8007.10.1240.0320.4388.40.83.50.1500.200S-08-1
AWI_POK-05 POK-052012-07-19T00:00:0069.09400160.94534Viska floodplainInterpolygon pondbrown organic mudMenyanthes trifoliata, Carex rotundata, Carex chodorrhizza, Calamagrostis cf. neglecta, Utricularia vulgaris, Utricularia intermedia, Potentilla palustre, Carex aquatilis ssp. aquatilis, Carex aquatilis ssp. stans, Eriophorum russoleum, Eriophorum angustifolium, P. palustre, Hippuris vulgaris, Betula exilis, Sparganium hyperboreum17.50011.950.00010.016.00160.0007.20.1180.0330.2248.41.23.50.1500.200
AWI_POK-06 POK-062012-07-19T00:00:0069.09536160.937260.59Kolyma floodplainIntrapolygon pond in low-centered polygonbrown organic mudPolygon rim: Eriophorum vaginatum, Alnus fruticosa, Betula nana, Rubus chamaemorus, Vaccinium vitis-idea, Ledum palustre, Vaccinium uliginosum, Empetrum nigrum, Salix sp. At shore: Eriophorum scheuchzeri, Carax rariflora, Carex aquatilis ssp. stans, Carex chodorrhizza, Carex rotundata, Eriophorum angustifolium, hummocks with Betula nana, Salix sp., Andromeda polifolia19.90019.835.00011.59.00103.5007.40.1020.0360.2396.41.03.50.1500.250
AWI_POK-07 POK-072012-07-21T00:00:0069.10400160.999770.80Kolyma floodplainIntrapolygon pond in low-centered polygonbrown organic mud and weakly decomposed plant detritusPolygonrim: Alnus fruticosa, Betula exilis, Salix cf. pulchra, Ledum palustre, Vaccinium uligunosum, Chamaedaphne calyculata, Carex aquatilis ssp. stans, Empetrum nigrum, Arctagrostis latifolia, Carex vaginata, Calamagrostis neglecta; At shore: Menyanthes trifoliata, Carex rostrata, Eriophorum angustifolium, Potentilla palustre15.00011.210.00017.16.00102.6006.20.0650.0290.4087.50.83.00.1500.800
AWI_POK-08 POK-082012-07-21T00:00:0069.10322160.999820.80Kolyma floodplainIntrapolygon pond in low-centered polygongreen-brownish fine organic mudPolygonrim: Alnus fruticosa, Betula exilis, Salix cf. pulchra, Ledum palustre, Vaccinium uligunosum, Chamaedaphne calyculata, Carex aquatilis ssp. stans, Empetrum nigrum, Arctagrostis latifolia, Carex vaginata, Calamagrostis neglecta At shore: Carex rotundata, Betula exilis, C. calyculata, Carex chodorrhizza, M. trifoliata, Salix cf. pulchra, A. polifolia, Potentilla palustre, Salix cf. fruescens, Carex aquatilis ssp. stans, C cf. neglecta In pond: Menyanthes trifoliata, Potentilla palustre, Sparganium18.00014.31.00025.822.50513.0007.30.1260.0300.3078.61.84.00.1500.600
AWI_POK-09 POK-092012-07-21T00:00:0069.10347161.001140.62Kolyma floodplainInterpolygon pondbrown organic mud and weakly decomposed plant detritus, silty fine sandPolygonrim: Alnus fruticosa, Pyrola grandiflora, Vaccinium uliginosum, Vaccinium vitis-idea, Salix cf. glaucescens, Betula exilis, Ledum palustre, Empetrum nigrum, Polygonum tripterocarpum, Orthilia sp., Poa sp., Rubus chamaemorus, Arctagrostis latifolia, Stellaria longipes, Valeriana capitata, Parrya nudicaulis, Salix cf. pulchra, Carex aquatilis spp. stans, Potentilla palustre, Calamagrostis neglecta; At shore: Carex aquatilis ssp. stans, Potentilla palustre, Betula exilis (submerged), Vaccinium uligunosum, Eriophorum russeolum, Ledum palustre, Chamaedaphne calyculata19.9008.79.011.0099.0007.00.0770.0360.5266.20.73.00.1500.250
AWI_POK-10 POK-102012-07-25T00:00:0069.09303160.940130.07Viska floodplainIntrapolygon pond in low-centered polygonbrown organic mud and weakly decomposed plant detritusPolygon rim: Carex sp., Alnus fruticosa, Eriophorum vaginatum, Salix cf. pulchra, Chamaedaphne calyculata, Betula nana, Potentilla palustre, Ledum palustre, Eriophorum angustifolium; In pond: Carex aquatilis ssp. aquatilis, Carex sp., Carex chodorrhizza, Utricularia intermedia, Eriophorum scheuchzeri2.0004.843.00011.010.00110.0007.40.0690.0080.17511.80.66.00.0700.070
AWI_POK-11 POK-112012-07-25T00:00:0069.09504160.937440.21Viska floodplainIntrapolygon pond in low-centered polygonreddish-brown organic mudAlnaster fruticosa, Betula exilis, Carex aquatilis, Carex chordorrhiza, Chamaedaphne calyculata, Eriophorium angustifolium, Eriophorum vaginatum, Ledum decumbens, Potentilla palustris, Rubus chamaemorus, Salix spp., Sparganium hyperboreum, Utricularia minor, Vaccinium spp2.8005.442.0004.34.3018.4907.40.0550.0050.16811.80.84.50.1500.200
AWI_POK-12 POK-122012-07-26T00:00:0069.06686160.945190.52Hummocky tundra southwest of PokhodskInterpolygon pondcoarse brown plant materialCarex aquatilis ssp. aquatilis, Carex aquatilis ssp. stans, Carex sp., Salix cf. pulchra, Betula exilis, Alnus fruticosa, Ledum palustre, Vaccinium vitis-idea, Eriophorum angustifolium, Chamaedaphne calyculata, Utricularia vulgaris, Sphagnum sp.3.7004.08.00010.25.1052.0206.80.0610.0130.9328.60.63.00.1500.550
AWI_POK-13 POK-132012-07-27T00:00:0069.06486160.920070.52Hummocky tundra southwest of PokhodskIntrapolygon pond in low-centered polygonbrown organic mud and weakly decomposed plant materialPolygon rim: Chamaedaphne calyculata, Eriophorum vaginatum, Betula nana, Alnus fruticosa, Rubus chamaemorus, Carex sp., Ledum palustre; In pond: Eriophorum angustifolium, Sparganium, Potentilla palustre, Menyanthes trifoliata, Carex sp.6.8004.927.00010.67.2076.3206.90.0600.2000.3039.60.42.20.1500.550
AWI_POK-14 POK-142012-07-27T00:00:0069.06491160.934960.31Hummocky tundra southwest of PokhodskIntrapolygon pond in low-centered polygonbrown organic mud and weakly decomposed plant materialPolygon rim: Salix cf. pulchra, Betula nana, Ledum palustre, Vaccinium uligunosum, Alnus fruticosa, Eriophorum vaginatum, Eriophorum angustifolium, Andromeda polifolia, Rubus chamaemorus In pond: Carex aquatilis ssp. stans8.8005.919.0007.85.2040.5606.70.0610.0140.7327.60.32.00.1500.300
AWI_POK-15 POK-152012-07-27T00:00:0069.06529160.941340.49Hummocky tundra southwest of PokhodskInterpolygon pondbrown organic mudEriophorum vaginatum, Potentilla palustris, Carex sp., Carex aquatilis ssp. stans, Sphagnum, Ledum palustre, Betula nana, Alnus fruticosa, Chamaedaphne calyculata, Vaccinium vitis-idea9.5004.413.0007.83.5027.3006.50.0520.0110.6555.00.32.00.1500.500
AWI_POK-16 POK-162012-07-30T00:00:0069.09352160.942310.21Viska floodplainIntrapolygon pond in low-centered polygonbrown organic mudPolygon rim: Betula nana, Salix cf. pulchra, Ledum palustre, A. fruticosa, Chamaedaphne calyculata, Carex aquatilis ssp. Stans; In pond: Menyanthes trifoliata, Sparganium, Eriophorum scheuchzeri, Carex aquatilis ssp. stans, Carex chodorrhizza, Carex sp., Utricularia intermedia, Carex rotundata6.8007.258.00024.018.00192.0007.40.0960.0140.14510.00.83.00.2000.250S-06-1, S-06-2
AWI_POK-17 POK-172012-07-30T00:00:0069.09253160.944390.50Viska floodplainThermokarst lakebrown organic mudRim: Alnus fruticosa, Betula nana, Salix sp., Ledum palustre, Vaccinium vitis-idea, Polygonum tripterocarpum; At shore: Carex chodorrhizza, Eriophorum scheuchzeri, Carex aquatilis ssp. stans; In water: Menyanthes trifoliata, U. vulgaris7.9007.635.0008.06.5052.0007.40.1180.0130.18610.00.83.00.1500.250
AWI_POK-18 POK-182012-07-30T00:00:0069.09295160.944802.40Viska floodplainThermokarst lakebrown organic mudPolygon rim: Alnus fruticosa, Betula nana, Salix sp., Ledum palustre, Vaccinium vitis-idea; At shore: Carex chodorrhizza, E. scheuchzeri, C. aquatilis ssp. stans, E. angustifolium; In pond: Menyanthes trifoliata, U. vulgaris, R. pallasii, H. vulgaris, Arctophila fulva10.0007.240.00096.035.703427.2007.40.1080.0120.19810.60.82.00.1500.350S-20-1
AWI_POK-19 POK-192012-08-01T00:00:0069.11090160.881880.21near Naumovskoje OseroIntrapolygon pond in low-centered polygonbrown organic mud and weakly decomposed plant materialPolygon rim: Salix cf. pulchra, Alnus fruticosa, Betula nana, Ledum palustre, Rubus chamaemorus, Eriophorum vaginatum, Andromeda polifolia, Sphagnum sp.; In pond: Carex aquatilis ssp. stans, Carex chodorrhizza, Utricularia intermedia, Eriophorum russoleum10.1008.635.00014.510.90158.0506.30.0380.0380.3047.80.43.00.1000.225
AWI_POK-20 POK-202012-08-02T00:00:0069.11073160.887340.90near Naumovskoje OseroThermokarst lakebrown organic mudPolygon rim: Eriophorum vaginatum, Andromeda polifolia, E: nigrum, Salix cf. pulchra, B. nana, L. palustre, V. vitis-idea; at shore: Carex rotundata, E. angustifolium, E. scheuchzeri, Betula nana, Salix cf. pulchra, C. chodorrhizza, Andromeda polifolia, C. calyculata, Carex aquatilis ssp. Aquatilis; In pond: Ranunculus pallasii, E. angustifolium6.4008.045.00072.126.501910.6506.70.0719.00.63.00.1500.30025A-1; 25-1A-9
AWI_POK-21 POK-212012-08-02T00:00:0069.11007160.887160.58near Naumovskoje OseroInterpolygon pondweakly decomposed brown organic materialCarex aquatilis ssp. aquatilis, Alnus fruticosa, Betula nana, Salix cf. pulchra, Rubus chamaemorus, Chamaedaphne calyculata, Ledum palustre, Eriophorum vaginatum7.1005.410.0006.81.208.1606.20.0430.0230.8377.00.22.00.1500.550
AWI_POK-22 POK-222012-08-05T00:00:0069.12644160.879070.10near Naumovskoje OseroIntrapolygon pond in low-centered polygonweakly decomposed brown organic materialRubus chamaemorus, Ledum palustre, V. vitis-idea, Chamaedaphne calyculata, Eriophorum vaginatum, Carex aquatilis ssp. stans, Sphagnum sp., C. chodorrhizza, Salix cf. pulchra, Betula nana, Alnus fruticosa19.30016.460.00021.021.00441.0006.80.0749.60.62.00.0500.126
AWI_POK-23 POK-232012-08-05T00:00:0069.12644160.8790721.00near Naumovskoje OseroIntrapolygon pond in low-centered polygonweakly decomposed brown organic materialBetula nana, Ledum palustre, Carex sp., Alnus fruticosa, Rubus chamaemorus, Salix cf. pulchra, Vaccinium vitis-idea, Eriophorum scheuchzeri16.70016.044.00014.56.5094.2506.90.0539.40.42.00.1500.225
AWI_POK-24 POK-242012-08-08T00:00:0069.10908161.001411.50Kolyma floodplainIntrapolygon pond in low-centered polygonorganic mudPolygon rim: Alnus fruticosa, Betula nana, Andomeda polifolia, Salix cf. pulchra, Carex aquatilis ssp. stans ., Chamaedaphne calyculata, Carex sp., Ledum palustre; In pond: Utricularia intermedia, Sparganium hyperboreum, Menyathes trifoliata; At shore: Carex chodorrhizza6.7009.353.00020.030.00600.0006.90.06410.00.44.00.3000.300
AWI_POK-25 POK-252012-08-08T00:00:0069.10789161.001810.15Kolyma floodplainIntrapolygon pond in low-centered polygonfine disperse organic mudPolygon rim: Rubus chamaemorus, Betula nana, Salix cf. pulchra, Alnus fruticosa, Ledum palustre, Vaccinium vitis-idea, Empetrum nigrum, V. uligunosum; In pond: Carex sp.; Hummocks: Carex sp., C. calyculata, Betula nana, Sphagnum ssp., Ledum palustre7.2009.749.0006.07.0042.0007.30.02310.60.43.50.1500.150
AWI_POK-26 POK-262012-08-10T00:00:0069.05436160.862340.30Khalerchinskaya TundraInterpolygon pondweakly decomposed peat, mainly Eriophorum vaginatum and moss (Sphagnum)Betula nana, Rubus chamaemorus, Ledum palustre, Eriophorum vaginatum, Sphagnum spp. (submerged)19.0008.015.0007.41.007.4004.80.0482.40.00.3000.300
AWI_POK-27 POK-272012-08-10T00:00:0069.06082160.865580.30Khalerchinskaya TundraInterpolygon pondweakly decomposed peatBetula nana, Rubus chamaemorus, Ledum palustre, Eriophorum vaginatum, Sphagnum spp. (submerged)19.30013.025.0007.07.0049.0004.70.0427.80.00.1750.175
AWI_POK-28 POK-282012-08-15T00:00:0069.07071160.981060.75Southern Kolyma floodplain near pingo outcropInterpolygon pondcoarse, low decomposed organic mudIn pond: Eriphorum angustifolium, Caltha palustris, moss; At shore: Alnus sp., Betula sp., Ledum palustre, Sphagnum spp.15.00012.00.00032.02.0064.0006.70.0547.40.83.50.2000.550
AWI_POK-29 POK-292012-08-15T00:00:0069.07005160.979910.01Southern Kolyma floodplain near pingo outcropIntrapolygon pond in low-centered polygonorganic mud, slightly siltyIn pond: Eriphorum angustifolium, Caltha palustris,Menyanthes trifoliota, moss; At shore: Alnus sp., Betula sp., Ledum palustre, Sphagnum spp.14.40015.012.00025.014.00350.0006.60.0619.50.84.00.2000.500
AWI_POK-30 POK-302012-08-26T00:00:0069.06607160.944530.55Hummocky tundra southwest of PokhodskInterpolygon pondcoarse organic mudBetula nana, Alnus sp., Ledum palustre, Eriophorum vaginatum, Potentilla palustris6.0005.610.0009.032.00288.0007.00.0667.00.83.00.2000.500
AWI_POK-31 POK-312012-08-26T00:00:0069.06575160.942010.70Hummocky tundra southwest of PokhodskInterpolygon pondfine disperse organic mudBetula nana, Alnus sp., Ledum palustre, Eriophorum vaginatum, Potentilla palustris, Sphagnum spp., Hippuris vulgaris6.3005.45.0002.09.0018.0006.60.0808.00.83.00.1000.450