sentences:  Upon review, the genetic isolation of the two Slovakian populations was determined to be "marginally significant".The number of pairs of eastern imperial eagles increased in Bulgaria from 20 in 2009 to 24 in 2013.Among the efforts untaken to restore the Bulgarian populations were mitigating hazardous electrical poles, 608 were insulated within eagle territories, while also 483 supplemental feedings were given to 14 pairs from October to March.