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Kienast, Frank; Schirrmeister, Lutz; Siegert, Christine; Tarasov, Pavel E (2017): Plant macrofossil records from permafrost deposits of the Bykovsky Peninsula (NE Siberia). PANGAEA, https://doi.org/10.1594/PANGAEA.880228, Supplement to: Kienast, F et al. (2005): Palaeobotanical evidence for warm summers in the East Siberian Arctic during the last cold stage. Quaternary Research, 63(03), 283-300, https://doi.org/10.1016/j.yqres.2005.01.003

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Abstract:
Plant macrofossils from the Mamontovy Khayata permafrost sequence on the Bykovsky Peninsula reflect climate and plant biodiversity in west Beringia during the last cold stage. 14C dates suggest sediment accumulation between about 60,000 and 7500 14C yr B.P. The plant remains prove that during the last cold-stage arctic species coexisted with aquatic, littoral, meadow and steppe taxa. The reconstructed vegetation composition is similar to modern vegetation mosaics in central and northeast Yakutian relict steppe areas. Thus, productive meadow and steppe communities played an important role in the Siberian Arctic vegetation during the late Pleistocene and could have served as food resource for large populations of herbivores. The floristic composition reflects an extremely continental, arid climate with winters colder and summers distinctly warmer than at present.
Holocene macrofossil assemblages indicate a successive paludification possibly connected with marine transgression, increased oceanic influence and atmospheric humidity. Although some steppe taxa were still present in the early Holocene, they disappeared completely before ~2900 14C yr B.P.
Coverage:
Median Latitude: 71.785630 * Median Longitude: 129.408783 * South-bound Latitude: 71.783366 * West-bound Longitude: 129.402562 * North-bound Latitude: 71.787895 * East-bound Longitude: 129.415005
Date/Time Start: 1998-08-05T00:00:00 * Date/Time End: 1998-08-14T00:00:00
Event(s):
Byk_98_Mkh * Latitude: 71.783366 * Longitude: 129.415005 * Date/Time Start: 1998-08-05T00:00:00 * Date/Time End: 1998-08-14T00:00:00 * Location: Lena Delta, Siberia, Russia * Campaign: Lena-Delta1998 * Basis: Sampling on land * Device: Multiple investigations (MULT)
Byk_98_Mkh-6.2 * Latitude: 71.787895 * Longitude: 129.402562 * Date/Time Start: 1998-08-05T00:00:00 * Date/Time End: 1998-08-12T00:00:00 * Location: Lena Delta, Siberia, Russia * Campaign: Lena-Delta1998 * Basis: Sampling on land * Device: Multiple investigations (MULT)
Comment:
#value = ca. value
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEventKienast, Frank
2Sample IDSample IDKienast, Frank
3Height above sea levelHeightm a.s.l.Kienast, Frank
4Sediment typeSedimentKienast, Frank
5StratigraphyStratigraphyKienast, Frank
6Age modelAge modelkaKienast, Frankestimated age
7Age, datedAge datedkaKienast, Frank
8Age, dated, error to olderAge e +ka +Kienast, Frank
9Age, dated, error to youngerAge e -ka -Kienast, Frank
10Agrostis sp.Agrostis sp.#Kienast, Frank
11Allium schoenoprasumA. schoenoprasum#Kienast, Frank
12Alopecurus sp.Alopecurus sp.#Kienast, Frank
13Alyssum obovatumA. obovatum#Kienast, Frank
14Androsace septentrionalisA. septentrionalis#Kienast, Frank
15Arabis petreaA. petrea#Kienast, Frank
16Eremogone capillarisE. capillaris#Kienast, Frankoriginally identified as Arenaria tschuktschorum
17Artemisia sp.Artemisia sp.#Kienast, Frank
18Batrachium sp.Batrachium sp.#Kienast, Frank
19Betula exilisBet.e#Kienast, Frank
20Betula sect. AlbaeBet.Se.A#Kienast, Frank
21Calamagrostis indeterminataCalamagrostis indet.#Kienast, Frank
22Callitriche hermaphroditicaC. hermaphroditica#Kienast, Frank
23Caltha palustrisCat.p#Kienast, Frank
24Cardamine bellidifoliaC. bellidifolia#Kienast, Frank
25Carex aquatilisC. aquatilis#Kienast, Frank
26Carex cf. argunensisC. cf. argunensis#Kienast, Frank
27Carex arctisibiricaC. arctisibirica#Kienast, Frank
28Carex cespitosaC. cespitosa#Kienast, Frank
29Carex duriusculaC. duriuscula#Kienast, Frank
30Carex lugensC. lugens#Kienast, Frank
31Carex cf. nardinaC. cf. nardina#Kienast, Frank
32Carex sect. PhacocystisCarex sect. Phacocystis#Kienast, Frank
33Carex cf. spaniocarpaC. cf. spaniocarpa#Kienast, Frank
34Carex cf. stansC. cf. stans#Kienast, Frank
35Carex sect. TemnemisCarex sect. Temnemis#Kienast, Frank
36Carex sp.Carex sp.#Kienast, Frank
37Cassiope tetragonaC. tetragona#Kienast, Frank
38Cerastium beeringianumC. beeringianum#Kienast, Frank
39Cerastium jenissejenseC. jenissejense#Kienast, Frank
40Cerastium maximumC. maximum#Kienast, Frank
41Cerastium regeliiC. regelii#Kienast, Frank
42Cerastium sp.Cerastium sp.#Kienast, Frank
43Chara sp.Chara sp.#Kienast, Frank
44Chenopodium sp.Chenopodium sp.#Kienast, Frank
45Chenopodium glaucumC. glaucum#Kienast, Frank
46Cochlearia arcticaC. arctica#Kienast, Frank
47Deschampsia cespitosa agg.D. cespitosa agg.#Kienast, Frank
48Descurainia sophioidesD. sophioides#Kienast, Frank
49Draba sp.Draba sp.#Kienast, Frank
50Dryas punctataD. punctata#Kienast, Frank
51Eriophorum angustifoliumE. angustifolium#Kienast, Frank
52Eriophorum russeolumE. russeolum#Kienast, Frank
53Eriophorum scheuchzeriErio.s#Kienast, Frank
54Eriophorum vaginatumE. vaginatum#Kienast, Frank
55Festuca sp.Festuca sp.#Kienast, Frank
56Gastrolychnis apetalaG. apetala#Kienast, Frank
57Glaux maritimaGla.m#Kienast, Frank
58Hippuris vulgarisHip.v#Kienast, Frank
59Hordeum brevisubulatumH. brevisubulatum#Kienast, Frank
60Juncus biglumisJ. biglumis#Kienast, Frankoriginally identified as J. castanaeus
61Kobresia myosuroidesK. myosuroides#Kienast, Frank
62Kobresia simpliciusculaK. simpliciuscula#Kienast, Frank
63Kobresia sp.Kobresia sp.#Kienast, Frank
64Linum perenneLin.p#Kienast, Frank
65Luzula confusaL. confusa#Kienast, Frank
66Lychnis sibiricaL. sibirica#Kienast, Frank
67Minuartia arcticaM. arctica#Kienast, Frank
68Minuartia rubellaM. rubella#Kienast, Frank
69Minuartia vernaMin.v#Kienast, Frank
70Myosotis alpestrisM. alpestris#Kienast, Frank
71Oxycoccus microcarpusO. microcarpus#Kienast, Frank
72Oxyria digynaOxy.d#Kienast, Frank
73Papaver sect. ScapifloraPapaver sect. Scapiflora#Kienast, Frank
74Poa indeterminataPoa indet.#Kienast, Frank
75Poaceae sp.Poaceae sp.#Kienast, Frank
76Polygonum viviparumPol.v#Kienast, Frank
77Potamogeton pusillusPot.p#Kienast, Frank
78Potamogeton sp.Potamogeton sp.#Kienast, Frank
79Potamogeton vaginatusP. vaginatus#Kienast, Frank
80Potentilla arenosaP. arenosa#Kienast, Frank
81Potentilla cf. niveaP. cf. nivea#Kienast, Frank
82Potentilla hyparcticaP. hyparctica#Kienast, Frank
83Potentilla cf. stipularisP. cf. stipularis#Kienast, Frank
84Potentilla longifoliaP. longifolia#Kienast, Frank
85Potentilla sect. HypargyriumPotentilla sect. Hypargyrium#Kienast, Frank
86Puccinellia tenuifloraP. tenuiflora#Kienast, Frank
87Ranunculus hyperboreusR. hyperboreus#Kienast, Frank
88Ranunculus nivalisR. nivalis#Kienast, Frank
89Ranunculus pedatifidus subsp. affinisR. pedatifidus subsp. affinis#Kienast, Frankurspr. bestimmt als R. reptans
90Ranunculus sp.Ranunculus sp.#Kienast, Frank
91cf. Lesquerella arcticacf. L. arctica#Kienast, Frank
92Rumex graminifolius-typeR. graminifolius-T#Kienast, FrankR. subgen. Acetosella
93Rumex maritimusR. maritimus#Kienast, Frank
94Sagina intermediaS. intermedia#Kienast, Frank
95Salix sp.Salix sp.#Kienast, Frank
96Saxifraga cernuaS. cernua#Kienast, Frank
97Saxifraga cespitosaS. cespitosa#Kienast, Frank
98Saxifraga foliolosaS. foliolosa#Kienast, Frank
99Saxifraga hieracifoliaS. hieracifolia#Kienast, Frank
100Saxifraga hirculusSax.h#Kienast, Frank
101Saxifraga nivalisSax.n#Kienast, Frank
102Saxifraga spinulosaS. spinulosa#Kienast, Frank
103Saxifraga tenuisS. tenuis#Kienast, Frank
104Tephroseris palustrisT. palustris#Kienast, Frank
105Silene repensS. repens#Kienast, Frank
106Silene sp.Silene sp.#Kienast, Frank
107Sorbaria sorbifoliaS. sorbifolia#Kienast, Frank
108Stellaria ciliatisepalaS. ciliatisepala#Kienast, Frank
109Stellaria crassifoliaS. crassifolia#Kienast, Frank
110Stellaria edwardsiiS. edwardsii#Kienast, Frank
111Stellaria longipesS. longipes#Kienast, Frank= S. peduncularis
112Stellaria sp.Stellaria sp.#Kienast, Frank
113Thesium sp.Thesium sp.#Kienast, Frank
114Thalictrum alpinumTha.a#Kienast, Frank
115Vaccinium uliginosumVac.u#Kienast, Frank
116Number of taxaTaxa#Kienast, Frankdetected
Size:
2039 data points

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