Mapping the High Mountain Soils of the Northeast United States

Villars, Thomas R.

doi:10.2136/sh1996.3.0077

Cited by 1 publication

(2 citation statements)

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“…A third B horizon observed was labeled a Bw horizon because it did not meet the requirements for spodic materials. Most Histosols are located in low-lying wetlands, but a small subset in the Northeast are found on cold mountain summits and upper sideslopes, such as the Mount Mansfield Forehead plot (Villars, 1996;Soil Survey Staff, 1998a;Bockheim, 2010). These Histosols have organic soil materials that "constitute two-thirds or more of the total thickness of the soil to a densic, lithic, or paralithic contact and have no mineral horizons or have mineral horizons with a total thickness of 10 cm or less" (Soil Survey Staff, 2014, p. 38, key to soil orders B2c).…”

Section: Resultsmentioning

confidence: 99%

“…The plot elevation is approximately 1120 m (3696 ft) on the shoulder of Mount Mansfield, the highest summit in the state at 1361 m (4493 ft). At this elevation in Vermont, the soil temperature regime is considered to be cryic (Soil Survey Staff, 2014; Villars, 1996), although the closest SCAN station at 697 m (2300 ft) has a frigid temperature regime (Villars, 2007). Vegetation at this site is montane spruce–fir forest vegetation (Fig.…”

Section: Forehead Plot Landscape Settingmentioning

confidence: 99%

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Four Soil Orders on a Vermont Mountaintop—One-Third of the World’s Soil Orders in a 2500-Square-Meter Research Plot

2015

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As part of the Vermont Long‐Term Soil Monitoring Project, five 50 × 50 m plots were established on protected forestland across Vermont. In 2002, ten randomly selected subplots at each monitoring plot were sampled. The 10 pedons sampled at the high‐elevation spruce–fir “Forehead” plot on Mount Mansfield were found to include soils of four taxonomic Orders: Entisols, Histosols, Inceptisols, and Spodosols. Soil forming factors such as climate, vegetation, and time are uniform, and podzolization is the major soil forming process, but small variations in parent material thickness and microtopography result in the presence of four orders. A 1‐cm difference in the thickness of a horizon can affect the placement of a soil in one of these orders.

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Section: Resultsmentioning

confidence: 99%

Section: Forehead Plot Landscape Settingmentioning

confidence: 99%