Yes, there is EHG ancestry in Eastern Europe today.

Ack

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In Finland, Russia, Estonia, Poland, Austria and eastern Germany there is EHG ancestry that can be distinguished from WHG today.

It is possible to model countries in western Europe with only WHG, Yamnaya and Anatolia Barcin, but if you try to do the same thing in the east, the distances widen and the model gets worse.

Target: Irish
Distance: 4.9374% / 0.04937387
49.8 Yamnaya_RUS_Samara
36.4 Anatolia_Barcin_N
13.8 WHG


Target: French_Paris
Distance: 3.9803% / 0.03980288
47.0 Anatolia_Barcin_N
40.6 Yamnaya_RUS_Samara
12.4 WHG


Target: Welsh
Distance: 4.4866% / 0.04486597
46.8 Yamnaya_RUS_Samara
38.8 Anatolia_Barcin_N
14.4 WHG


Target: English
Distance: 4.7162% / 0.04716228
47.2 Yamnaya_RUS_Samara
38.6 Anatolia_Barcin_N
14.2 WHG


Target: Norwegian
Distance: 4.8877% / 0.04887723
46.2 Yamnaya_RUS_Samara
35.6 Anatolia_Barcin_N
13.2 WHG
5.0 RUS_Karelia_HG

( Note that in Norway EHG - RUS_Karelia_HG - is already starting to appear, but in low quantities.)

In the east, the quantities of EHG increase significantly - which does not happen in the west even in Ireland where Yamnaya ancestry is enormous.

Target: Russian_Kostroma
Distance: 5.4349% / 0.05434858
33.2 Anatolia_Barcin_N
30.2 RUS_Karelia_HG
28.0 Yamnaya_RUS_Samara
5.6 WHG
3.0 Nganassan


Target: Estonian
Distance: 6.4167% / 0.06416713
32.0 Anatolia_Barcin_N
30.4 RUS_Karelia_HG
27.2 Yamnaya_RUS_Samara
10.4 WHG


Target: Polish:polish16
Distance: 4.6207% / 0.04620698
37.2 Anatolia_Barcin_N
28.6 Yamnaya_RUS_Samara
24.4 RUS_Karelia_HG
9.8 WHG


To test the theory I checked if the Finns were closer to the Poles or the Norwegians.

Distance to: Finnish
0.02687788 Russian_Kostroma
0.03670159 Estonian
0.05559852 Polish:polish16
0.06710421 Norwegian
0.07270481 Dutch
0.07965585 Irish
0.08040507 English
0.08168025 Welsh
0.10231534 French_Paris


No surprise. Countries with higher amounts of EHG are closer

Populations used as source:

Anatolia_Barcin_N,0.1175998,0.180118,0.0035312,-0.101158,0.0510443,-0.0483875,-0.0043582,-0.0069334,0.0362287,0.0807473,0.0079718,0.0118803,-0.0234545,0.0004691,-0.0419807,-0.0101913,0.0233091,0.0019866,0.0136954,-0.0097489,-0.0142249,0.0057723,-0.0041232,-0.0031658,-0.0043437
WHG,0.1246365,0.116278,0.184789,0.189279,0.1546445,0.0464355,0.0131605,0.0372675,0.0890705,0.017768,-0.0153455,-0.015811,0.0159065,-0.0030275,0.053338,0.0582065,0.00502,0.016343,-0.0093015,0.055589,0.0944585,0.0111905,-0.049607,-0.160866,0.0170045
GEO_CHG:KK1,0.091058,0.102568,-0.083344,-0.00323,-0.08617,0.020638,0.024911,-0.001846,-0.128236,-0.074717,-0.006333,0.023979,-0.054856,0.004404,0.026601,-0.03275,0.02386,-0.013429,-0.022249,0.034767,0.033815,-0.007048,0.006532,-0.025787,-0.002036
Yamnaya_RUS_Samara,0.1255849,0.089028,0.0426986,0.1153479,-0.0287232,0.0450564,0.0036033,-0.0025642,-0.0559032,-0.0728943,0.0018222,3.32e-05,-0.0026924,-0.0233041,0.0366141,0.0157633,-0.0012316,-0.0017879,-0.0038408,0.0137704,-0.0031749,0.0007557,0.0110649,0.0186102,-0.004537
MAR_Iberomaurusian,-0.189857,0.0814452,-0.0242866,-0.085595,0.027636,-0.0552202,-0.0705968,0.0184146,0.155397,0.003499,0.0209156,-0.0318316,0.0747168,-0.0513334,0.0711988,-0.0363032,0.0052676,-0.066106,-0.1424162,0.0389938,-0.0376836,-0.1255322,0.0730118,-0.0137606,0.0164534
Baltic_LTU_Narva,0.0116,0.0109,0.0478167,0.0570333,0.0389833,0.0188,0.0046,0.0124,0.0289833,-0.0104667,-0.0034,-0.0130167,0.0184167,0.0033167,0.024,0.03545,0.00275,0.0041833,-0.0051667,0.0349,0.0531667,0.00625,-0.0237333,-0.0946,0.0092333
IRN_Shahr_I_Sokhta_BA2:I11466,0.044391,-0.020311,-0.171213,0.076551,-0.104635,0.054105,0.010105,-0.010384,-0.00225,0.019499,-0.008282,0.014237,-0.007136,-0.012386,0.018187,0.026783,0.011865,0.010135,0.003017,-0.014632,0.00836,-0.013973,0.003081,-0.006266,0.008023
IRN_Ganj_Dareh_Historic:I1955,0.094473,0.111708,-0.053551,-0.027455,-0.044316,-0.003347,0.00376,-0.004384,-0.03027,-0.016037,0.004709,-0.004046,0.005649,0.008533,0.004072,-0.002121,-0.022948,-0.004434,0.005531,-0.009755,-0.002496,-0.002844,0.001849,-0.008194,-0.001796
RUS_Karelia_HG:I0211,0.12862,0.032497,0.125958,0.221902,0.003385,0.056057,-0.014571,-0.010615,0.007567,-0.084011,0.009581,-0.029674,0.047423,-0.018304,0.014794,0.041766,-0.020079,0.002154,-0.007668,0.003252,-0.01435,0.017188,0.005916,-0.027594,-0.00958
Dinka,-0.577083,0.0507765,-0.0003773,-0.0075098,-0.0053855,-0.0016735,-0.0176848,0.0204222,0.081145,-0.0969495,-0.02107,0.022742,-0.0383172,-0.0011698,0.0101452,-0.021347,0.0186125,-0.0094382,0.0241968,-0.0241678,0.002402,0.003308,0.001479,0.0009038,0.0096995
ETH_4500BP,-0.511066,0.043668,0.000754,0.000969,-0.00277,-0.011435,0.050997,-0.045229,0.089172,-0.087838,-0.012991,-0.002997,-0.031219,0.000688,0.02158,-0.029965,0.027772,0.039273,0.00176,-0.009004,0.000374,0.006183,-0.003451,-0.00241,-0.000838
Gambian,-0.6064875,0.0671942,0.0197362,0.0114665,0.0021028,0.0055777,-0.0358392,0.0387677,-0.0317353,0.0241463,0.0054132,-0.0036467,0.0162287,-0.0009865,0.011016,-0.0153362,0.009692,-0.0011823,-0.002116,-0.0032307,-0.001643,-0.0018137,0.0043958,-0.0001005,0.001377
Khomani_San,-0.6220435,0.060424,0.02093,0.030039,-0.0004615,0.000837,0.236773,-0.1823,0.0185095,0.0067425,0.00203,-0.053952,-0.0211845,0.005505,0.018797,-0.0212805,0.029662,0.2623085,-0.0877375,0.001751,-0.0331915,-0.002844,0.0038205,-0.0050005,0.0016765
Yoruba,-0.6300625,0.0625011,0.022113,0.0167079,0.0005035,0.0124741,-0.044417,0.0477673,-0.0488813,0.0327694,0.0046205,0.0007904,0.0230561,0.0009509,0.0125232,-0.0096067,0.0070763,0.0004491,0.006022,-0.00299,0.0015542,0.0023156,-0.0017592,-0.0004711,-0.0004246
Nganassan,0.0476917,-0.4066181,0.1557885,0.0023902,-0.1594452,-0.0882129,0.0285066,0.0433367,0.0310876,0.0128477,0.1028569,0.0094115,-0.0040734,-0.0261619,-0.0219731,-0.0123307,-0.0010952,0.0134165,0.0268365,-0.0008505,0.0431363,-0.0118954,0.0336096,0.0003977,0.0135556
Levant_Natufian:I0861,0.01935,0.135065,-0.039221,-0.135984,0.026774,-0.076137,-0.019036,-0.024691,0.100626,-0.008018,0.02858,-0.019633,0.067343,0.001651,0.022801,0.02612,-0.0103,0.006714,-0.018101,0.041395,-0.004118,-0.003215,-0.014297,-0.011206,0.011975
 
Even better models using UKR_Meso as a source for EHG.

Target: Irish
Distance: 4.9195% / 0.04919523

45.4Yamnaya_RUS_Samara
37.4Anatolia_Barcin_N
11.6WHG
5.6UKR_Meso


Target: Danish
Distance: 5.0291% / 0.05029054

38.8Yamnaya_RUS_Samara
38.4Anatolia_Barcin_N
13.6UKR_Meso
9.2WHG


Target: Finnish
Distance: 4.8978% / 0.04897820

48.6UKR_Meso
31.6Anatolia_Barcin_N
19.8Yamnaya_RUS_Samara


Target: Russian_Kostroma
Distance: 5.6786% / 0.05678587

42.6UKR_Meso
32.2Anatolia_Barcin_N
25.2Yamnaya_RUS_Samara


Target: Estonian
Distance: 5.9831% / 0.05983082

47.6UKR_Meso
30.4Anatolia_Barcin_N
22.0Yamnaya_RUS_Samara


Target: Polish:polish16
Distance: 4.7746% / 0.04774636

36.0UKR_Meso
34.8Anatolia_Barcin_N
29.2Yamnaya_RUS_Samara


Target: Ukrainian
Distance: 5.4338% / 0.05433764

36.2Anatolia_Barcin_N
32.0Yamnaya_RUS_Samara
31.8UKR_Meso
 
Very interesting. Was there some sort of y R1a/R1b EHG population that didn't leave many descendants in these areas?
 

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