Soil erosion from overgrazing? - East Kootenay

Soil horizon

Soil map for part of Plonski Forest (EMU) in North Eastern Ontario. Mapped in 1970 as scale of 1:15,840. cf #308 for FRI of same area.

Soil moisture measuring equipment. L>R: tensiometer; gypsum blocks for electrical resistance; sampler; tensiometer and case.

Soil pit near Diraja; n.b. depth f weathering; slide by Lloyd Burridge

Soil profile - Entisol in fine sandy silt supporting 250-year ponderosa pine. Coconino National Forest. Flagstaff.

Ponderosa pine. Soil profile showing two layers of pumice including buried profile.

Soil profile under mature hemlock. n.b. well-developed podzol with Ae and Bf Algonquin Park

Soil profile under 13yr old Casuarina equeitifolia plantation, Cape Verde, Dakar. N.B. L & F layer, root. Photo Lloyd Burridge

Soild under woodland developed in gneiss, imperfectly drained. Photo: Roger Pitblado.