Overgrazing and easily eroded soil surfaces cause this semi-desert to creep slowly in on the neighbouring Savannah and Grassland biomes.
(easily eroded soil surfaces; cause; this semi-desert to creep slowly in on the neighbouring Savannah and Grassland biomes) Context(easily eroded soil surfaces cause,List([16, 49))):(this semi-desert; to creep slowly in; on the neighbouring Savannah and Grassland biomes)
easily eroded soil surfaces cause,List([16, 49))
easily eroded soil surfaces this semi-desert
cause to creep slowly in
this semi-desert to creep slowly in on the neighbouring Savannah and Grassland biomes
on the neighbouring Savannah and Grassland biomes