Hapyee ooo  cax capx pecx aoo  o poeocppoao ye  pcocoo yepcea. x cepe c ypypo poo, eao c ya e epec coca, y pape c aoo Beaa - paa. o copecoe ope o oyoao 21/07/2011  ypae Nature Communications.

B 1853 oy a eex a, yca Bea  Pyo pa, ya eopoooc (cocooc cce poo eo) eoopx eao,  oapy, o oe epao  epeco poooce pax eao p oaoo eepaype oppepoa py c pyo.

Ocoe p, eae  ocoe oo aoa, ca o oo c ope epoa  pae aoo   aae aaoo ea. eo epo epeoc a eo, a  epeco.

a oee e 150 e coeo cyecoa, ao Beaa - paa oaa co cey aeoc - cpe c eao ooee cocao caoe oee 50 poeo.

B 1996 oy aepac  K. Ke  M ep cea eopeecoe pecaae, coaco oopoy ec oec epo  yae aoe eo, o ao Beaa - paa ye apye. B ao ooepo ccee, epo paec a e ac: o yy oaa co e apa (co), a pye apo e ca (xoo).

cepeaa pya, oopy oa poeccop He Xycc  pcocoo yepcea, poepa o pecaae, poe p oo a aepao o aae ypypa poa, coepae aoe eo, o oopx epeeac epo.

cceoae oapy, o a aepa poo eo  100 000 pa ye, e oo o  oa  cooec c aoo Beaa - paa. Tae eoe coca oo oop o epceoc aoo aepaa c exooeco o pe. Kpoe oo, o poe apyee aoa Beaa - paa ec c apyeo  oy eop o eoo paee ca  apa epoa  ooepo pe.