Convert BDsolos mottle-quantity ordinal class to percent

BDsolos exports the "Mosqueado - Quantidade" field as an ordinal Portuguese class (pouco/comum/abundante in singular OR plural, with various accent / casing variants). The soilKey schema uses redoximorphic_features_pct (numeric volume maps the ordinal to a representative midpoint percent so that the gleyic_properties diagnostic can fire on field-described mottles.

Usage

.bdsolos_mosqueado_to_pct(x)

Arguments

x

Character vector of mottle-quantity ordinal labels.

Value

Numeric vector of representative percent values (NA for empty / unknown labels).

Details

Mapping (per Embrapa / SiBCS field-description manual):

Ordinal	Percent range	Midpoint used
pouco	less than 2 pct	1
comum	2 to 20 pct	10
abundante	more than 20 pct	30
ausente / empty / NA	0 pct	NA (missing)