Assertion: montane savanna pollen | /r/HasProperty | predominant
Facets:
value: in the eastern and western borders
type: LOCATION
Source sentences:
text: Considering the spatial distribution of pollen and spores in the lake basin, the montane savanna pollen are predominant in the eastern and western borders and subordinate in the central portion of the lake, whereas those of forest formations are mainly present in its western margin.