However, the character of the alluvial flood plain deposits is less clear, since these may be richer in silica and lower in nutrients than some of the upland soils given the character of the Watershed.
(the character of the alluvial flood plain deposits; is; less clear; since these may be richer in silica and lower in nutrients than some of the upland soils) (these; may be; richer in silica and lower in nutrients than some of the upland soils) (the upland soils; given; the character of the Watershed)
the character of the alluvial flood plain deposits these the upland soils
is may be given
less clear since these may be richer in silica and lower in nutrients than some of the upland soils
richer in silica and lower in nutrients than some of the upland soils
the character of the Watershed