Late Wisconsin and Holocene Subalpine Forests of the Markagunt Plateau of Utah, Southwestern Colorado Plateau, U.S.A.

Anderson, R. Scott; Hasbargen, Jim; Koehler, Peter A.; Feiler, Eric J.

doi:10.1080/15230430.1999.12003321

Cited by 16 publications

(10 citation statements)

References 29 publications

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“…Anderson et al . () and Morris et al . () investigated pollen and charcoal records in lakes and ponds from the high plateaus of central Utah and these studies comprise the closest published records to Garden Basin.…”

Section: Discussionmentioning

confidence: 86%

“…Anderson et al . () suggested a warmer episode occurred between 8500 and 6400 a BP as evidenced by thinning of Picea , which remained relatively constant to the present. An increase in late‐Holocene effective precipitation was noted and may be represented at about 2700 a BP by an increase in Abies , Poaceae and Cyperaceae.…”

Section: Discussionmentioning

confidence: 86%

“…The two sites of Anderson et al . () are at ~3000 m a.s.l., ~150 km southwest of Garden Basin in the Markagunt Plateau. The two sites of Morris et al .…”

Section: Discussionmentioning

confidence: 99%

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A 13 000 year multi‐proxy climate record from central Utah (westernUSA), emphasizing conditions leading to large mass movements

Shurtliff

Nelson

McBride

et al. 2016

Boreas

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Younger Dryas to earliest Holocene mega‐landslides (>10 km2) in the eastern Fish Lake Plateau of central Utah required unusually wet conditions to drive movement. The sediment from abundant small lakes, ponds and especially fens that formed in swales between hummocks on the landslide surfaces are excellent archives of past climate. An integrated geophysical, geochemical and micro‐palaeontological investigation characterized fen deposits, determining the timing of mass movement and establishing the subsequent climate history of the region. High‐resolution P‐(compressional) wave surveys of fen deposits were conducted to image fen‐landslide contacts. Past climate states were assessed through loss on ignition, pollen and diatom abundances. Diatoms, in particular, record large variations in precipitation as the present‐day wetland switched from fen (intermittent standing water) to pond states in response to variable precipitation. One core was analysed for detailed climate proxies. A wet episode (pond) prevailed from 11.5 to 10 ka after which the climate became much drier (fen) until 6 ka due to weakening of the North American Monsoon. After 2.5–2.0 ka, reduced insolation produced cooler summers and wet winters (pond). Only recently (<500 years) has a fen re‐emerged based on direct observation and the disappearance of diatoms that require standing water. 14C ages of basal sediment from four cores show two episodes of movement: 12.8–12.5 and 10.5 ka. The earlier ages indicate that Younger Dryas high effective precipitation caused mass wasting. Later, during early Holocene times, colder winters followed by warmer summers and vigorous monsoons drove movement as rapid spring snow‐melt was followed by wet summers. In broad terms, this work highlights variable climate conditions that can drive mass movement, as well as the sensitivity of diatom records in fens to effective precipitation.

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Section: Discussionmentioning

confidence: 86%

Section: Discussionmentioning

confidence: 86%

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A 13 000 year multi‐proxy climate record from central Utah (westernUSA), emphasizing conditions leading to large mass movements

Shurtliff

Nelson

McBride

et al. 2016

Boreas

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“…The rapid expansion of ponderosa pine into its extensive modern range represents one of the most remarkable Holocene dispersal events of a conifer in western North America (Van Devender et al, 1984). It was widespread across the Southwest by 10000 to 9,000 yr BP (Van Devender and Spaulding, 1979; Van Devender et al, 1987; Anderson, 1989; Betancourt, 1990; Anderson et al, 1999). This appears to have been enabled by the succession of cold, moist conditions of the late Wisconsin with warmer, moist conditions of the Holocene that included an intensification of the summer monsoon (Anderson, 1989; Thompson et al, 1993).…”

Section: Discussionmentioning

confidence: 99%

Mitochondrial DNA haplotype distribution patterns inPinus ponderosa(Pinaceae): Range‐wide evolutionary history and implications for conservation

Potter¹,

Hipkins²,

Mahalovich³

et al. 2013

American J of Botany

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Pinus ponderosa haplotype distribution patterns suggest a complex phylogeographic history not revealed by other genetic and morphological data, or by the sparse paleoecological record. The results appear consistent with long-term divergence between the Pacific and Rocky Mountain varieties, along with more recent divergences not well-associated with race. Pleistocene refugia may have existed in areas of high haplotypic diversity, as well as the Great Basin, Southwestern United States/northern Mexico, and the High Plains.

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“…Bimodal precipitation regimes have been described and documented in south central Utah. These regimes are attributed to the dominance of polar air masses during the winter months and the recirculation of North American monsoonal moisture and convective storms during the late summer months (Mitchell 1976, Petersen 1994, Mock 1996, Anderson et al 1999.…”

Section: Site Descriptionmentioning

confidence: 99%

Pollen Evidence of Historical Forest Disturbance on the Wasatch Plateau, Utah

Morris

Brunelle

Munson

2010

Western North American Naturalist

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Late Wisconsin and Holocene Subalpine Forests of the Markagunt Plateau of Utah, Southwestern Colorado Plateau, U.S.A.

Cited by 16 publications

References 29 publications

A 13 000 year multi‐proxy climate record from central Utah (westernUSA), emphasizing conditions leading to large mass movements

A 13 000 year multi‐proxy climate record from central Utah (westernUSA), emphasizing conditions leading to large mass movements

Mitochondrial DNA haplotype distribution patterns inPinus ponderosa(Pinaceae): Range‐wide evolutionary history and implications for conservation

Pollen Evidence of Historical Forest Disturbance on the Wasatch Plateau, Utah

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