as the pine of specific transmitter in an perimeter , the basalt of available land in that perimeter will decrease
basalt is volcanic_rock. bog_asphodel is liliaceous_plant. signal is incitement. jet_blast_barrier is barrier. rockfall is land_topographical_feature. bog is sparse_canopy_closure. lava_field is land_topographical_feature. radar_specification_predicate_transmitter is radar_specification_predicate. basalt is igneous_rock. stone_pine is conifer.