supported by the“Sonatina”grant no.2020/36/C/NZ8/00013;M.Z.by the“Preludium”grant no.2016/21/N/NZ8/01059;R.Z.by the“Harmonia”grant no.2018/30/M/NZ8/0052。
Mast seeding causes strongfluctuations in populations of forest animals.Thus,this phenomenon can be used as a natural experiment to examine how variation in host abundance affects parasite loads.We investigatedfleas inf...