Assertion: grassland | /r/Causes | serious damage
Facets:
Source sentences:
text: Burning of grassland must be carefully controlled and timed, otherwise it can cause serious damage; burning must take the whole ecosystem into account, not only the grass and the grazing livestock.
text: Burning of grassland must be carefully controlled and timed, otherwise it can cause serious damage; this is not discussed in any of the studies, although planning burning and controlling fire is difficult and labour-consuming.