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Dugerdil, Lucas; Peyron, Odile; Ménot, Guillemette; Egamberdieva, Dilfuza; Alimov, Jakhongir; Leroy, Suzanne A G; Garnier, Eric; Nowak, Arkadiusz; Joannin, Sébastien (2025): Paleoclimate and paleo-environmental reconstructions inferred from pollen of the Aral 86 sediment core in relation to the Tajik-Uzbek Surface Data Base [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.981867, In: Dugerdil, L et al. (2025): Tajik-Uzbek Surface Data Base for modern pollen samples and vegetation plots: calibrations for functional diversity, climate and vegetation reconstructions in the past [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.979582

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Published: 2025-07-11DOI registered: 2025-08-09

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Abstract:
This table presents the result of the paleoclimate and paleo-environmental reconstructions inferred from the pollen of the Aral 86 sediment core. The sediment core is divided in core depth (in m) and using an age-depth model the calendar age of each sample (in ka BP) was calculated.The climate reconstructions are Mean Annual Precipitation (MAP), Mean Temperature of Cold Quarter (MTCOQ), Mean Precipitation of Cold Quarter (MPCOQ), and the Aridity Index (AI). Different methods have been used to infer these climate parameters: the Modern Analogue Technique (MAT) and the Boosted Regression Trees (BRT) from two different datasets, the Arid Central Asian Data Base (ACADB, Dugerdil et al. (2025a)) and the TUSDB. The community-weighted mean (CWM) traits were also reconstructed (plant height, leaf area, leaf N, seed mass, SLA and SSD) and the pollen-based biomes derived from the biomization approach.
Keyword(s):
Arid Central Asia; climate reconstruction; plant functional traits; Pollen calibration; Pollen representativeness; Tajikistan; Uzbekistan; Vegetation plot
Supplement to:
Dugerdil, Lucas; Peyron, Odile; Ménot, Guillemette; Egamberdieva, Dilfuza; Alimov, Jakhongir; Leroy, Suzanne A G; Garnier, Eric; Nowak, Arkadiusz; Joannin, Sébastien (2025): First paleoenvironmental calibrations for modern pollen rain of Tajikistan and Uzbekistan: A case study of pollen - vegetation functional biogeography of Arid Central Asia. Global and Planetary Change, 252, 104857, https://doi.org/10.1016/j.gloplacha.2025.104857 (Dugerdil et al. (2025b))
References:
Dugerdil, Lucas; Peyron, Odile; Violle, Cyrille; Joannin, Sébastien; Ménot, Guillemette; Denelle, Pierre; Bruelheide, Helge; Chytrý, Milan; Field, Richard; Hatim, Mohamed Z; Gholizadeh, Hamid; Dolezal, Jiri; Pillar, Valério D; Shaltout, Kamal H; Schrodt, Franziska; Garnier, Eric (2025): Functional Signatures of Surface Pollen and Vegetation Are Broadly Similar: Good News for Past Reconstructions of Vegetation. Journal of Biogeography, 52(5), e15100, https://doi.org/10.1111/jbi.15100 (Dugerdil et al. (2025a); source for the ACADB)
Funding:
Agence Nationale de la Recherche (ANR), grant/award no. ANR-20-FRAL-0006: KUR(A)GAN
Agence Nationale de la Recherche (ANR), grant/award no. ANR-22-CE27-0018-02: STEPABILITY
Coverage:
Latitude: 44.420000 * Longitude: 59.983333
Date/Time Start: 1986-06-30T00:00:00 * Date/Time End: 1986-06-30T00:00:00
Minimum DEPTH, sediment/rock: 0.01 m * Maximum DEPTH, sediment/rock: 4.09 m
Event(s):
ARAL86 (Core86) * Latitude: 44.420000 * Longitude: 59.983333 * Date/Time: 1986-06-30T00:00:00 * Elevation: 53.0 m * Location: Lake Aral, Kazakhstan * Comment: Area: 6610 ha. Salt lake without outflow. Physiography: depression bordered by not high plains.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Sample IDSample IDDugerdil, Lucas
DEPTH, sediment/rockDepth sedmDugerdil, LucasGeocode
Calendar ageCal ageka BPDugerdil, Lucas
Precipitation, annual meanMAPmmDugerdil, LucasModern analogue technique (MAT)Climate reconstruction, TUSDB
Temperature, meanTemp mean°CDugerdil, LucasModern analogue technique (MAT)Cold Quarter - Climate reconstruction, TUSDB
Precipitation, meanPrecip meanmmDugerdil, LucasBoosted Regression TreesCold Quarter - Climate reconstruction, ACADB
Aridity indexAridity indexDugerdil, LucasBoosted Regression TreesClimate reconstruction, ACADB
Community-weighted mean trait value of height, z-scoreCWM height#Dugerdil, Lucasplant height
Community-weighted mean trait value of leaf area, z-scoreCWM leaf area z#Dugerdil, Lucas
10 Community-weighted mean trait value of nitrogen, z-scoreCWM n-value z#Dugerdil, Lucasleaf N content
11 Community-weighted mean trait value of seed mass, z-scoreCWM seed mass z#Dugerdil, Lucas
12 Community-weighted mean trait value of specific leaf area, z-scoreCWM specific leaf area z#Dugerdil, Lucas
13 Community-weighted mean trait value of density, stem-specific, z-scoreCWM density stem spec z#Dugerdil, Lucas
14 BiomeBiomeDugerdil, Lucaspollen-based
15 Cold deciduous forestCLDE#Dugerdil, Lucasbiome pollen-based
16 Taiga forestTAIG#Dugerdil, Lucasbiome pollen-based
17 Pioneer forestPION#Dugerdil, Lucasbiome pollen-based
18 Cold mixed forestCLMX#Dugerdil, Lucasbiome pollen-based
19 Cold conifer forestCOCO#Dugerdil, Lucasbiome pollen-based
20 Temperate deciduous forestTEDE#Dugerdil, Lucasbiome pollen-based
21 Cool mixed forestCOMX#Dugerdil, Lucasbiome pollen-based
22 Warm mixed forestWAMX#Dugerdil, Lucasbiome pollen-based
23 Xerophytic shrublandXERO#Dugerdil, Lucasbiome pollen-based
24 TundraTUND#Dugerdil, Lucasbiome pollen-based
25 Cold steppeCOST#Dugerdil, Lucasbiome pollen-based
26 Warm steppeWAST#Dugerdil, Lucasbiome pollen-based
27 Cold desertCODE#Dugerdil, Lucasbiome pollen-based
28 Hot desertHODE#Dugerdil, Lucasbiome pollen-based
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
891 data points

Data

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


Sample ID

Depth sed [m]

Cal age [ka BP]

MAP [mm]

Temp mean [°C]

Precip mean [mm]

Aridity index

CWM height [#]

CWM leaf area z [#]
10 
CWM n-value z [#]
11 
CWM seed mass z [#]
12 
CWM specific leaf area z [#]
13 
CWM density stem spec z [#]
14 
Biome
15 
CLDE [#]
16 
TAIG [#]
17 
PION [#]
18 
CLMX [#]
19 
COCO [#]
20 
TEDE [#]
21 
COMX [#]
22 
WAMX [#]
23 
XERO [#]
24 
TUND [#]
25 
COST [#]
26 
WAST [#]
27 
CODE [#]
28 
HODE [#]
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S4166141.412.010331.861521822-2.97875899248.647443743504.0038895-0.029168152-0.239278851-0.342323916-0.139614243-0.4131152560.286381437COST1.05.84.95.85.85.85.83.93.97.18.48.44.54.5
S4166151.512.242152.427552599-5.20094627653.3665454782026.9475065110.113765817-0.611459155-0.06578902-0.215148225-0.7803058660.036884995CLMX1.65.75.77.67.67.67.66.04.13.47.47.46.76.7
S4166161.612.471172.065562437-3.33183142133.6506401422049.3489561680.168266897-0.507160619-0.073064179-0.24192109-0.6319188070.127612612COST3.15.95.96.86.86.86.85.02.86.57.87.87.07.0
S4166171.712.701163.125309914-3.8562446143.4813208451825.3708325060.238930732-0.496488417-0.091447159-0.22940386-0.6438910220.221331257TUND3.77.27.27.27.27.27.24.83.57.35.45.46.06.0
S4166181.913.164165.865900214-4.4373702250.3973246031997.6222044150.355180177-0.351319299-0.117147009-0.246998952-0.4982468380.409089348COST5.47.77.78.78.79.79.76.52.310.16.36.35.15.1
S4166192.113.629181.987964055-0.98651733238.6512437142683.7924613980.102355456-0.467050794-0.080061483-0.23887501-0.5480994320.132479621COST1.64.14.14.94.95.95.94.32.55.97.68.65.55.5
S4166202.213.859195.608309787-2.0822358660.9471357033934.8948096670.219932955-0.32548942-0.138771919-0.330468079-0.464126680.22250461TEDE3.37.17.19.69.611.311.39.23.85.310.010.04.84.8
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S4166222.474.560158.057631395-4.31005878256.2649970531739.5223876310.222114604-0.45671166-0.004486863-0.346750211-0.5063549240.117788813CLMX3.26.26.27.47.47.47.45.53.04.97.37.35.15.1
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S4166334.098.420183.424405506-4.35802046336.394727211858.9904278940.225094906-0.44347937-0.011335499-0.35042905-0.484398860.146589852COMX3.06.77.46.77.67.48.35.32.85.38.07.35.65.6