`` `` in northern france and europe the population trebled after 1000 and then ceased to increase about 1300 , before the black death caused an abrupt decline . the birthrate , as indicated by number of surviving children , increased and then declined . death rates increased after 1250 and , of course , during the black death . migration ... was high after 1100 but ceased by about 1250. the evidence about resources , disease , and internecine strife is compatible with this scenario which can be predicted based on other animal populations . '' ''
C0016674
franc
C0015176
europ