Assertion: desertification | /r/HasProperty | determined for example
Facets:
value: by the amount of rainfall
type: CAUSE
value: by soil characteristics
type: CAUSE
Source sentences:
text: If desertification can be identified by some of its component subprocesses, such as soil erosion, deforestation, overgrazing, or cultivation in marginal areas (determined, for example, by soil characteristics or by the amount of rainfall), then there is a great deal of research activity under way that relates directly as well as indirectly to desertification, without explicitly having desertification in its title (e.g. Riquer, 1982).