2 edition of Conditions and trends on ponderosa pine ranges in Colorado found in the catalog.
Conditions and trends on ponderosa pine ranges in Colorado
David Francis Costello
1946 in [Fort Collins, Colo .
Written in English
|Other titles||Ponderosa pine ranges in Colorado.|
|Statement||by David F. Costello and H. E. Schwan.|
|Contributions||Schwan, Herbert E., United States. Forest Service.|
|The Physical Object|
|Pagination||33 leaves,  leaves of plates :|
|Number of Pages||33|
In recent years, warming climate and increased fire activity have raised concern about post-fire recovery of western U.S. forests. We assessed relationships between climate variability and tree establishment after fire in dry ponderosa pine forests of the Colorado Front Range. We harvested and aged over post-fire juvenile ponderosa pine (Pinus ponderosa) and Douglas-fir (Pseudotsuga. The ponderosa pine forest is a vegetation type that straddles the line between rangelands and forest. These woodlands have an overstory of ponderosa pine trees that under some conditions can grow so closely together as to create a dense canopy with few grasses and forbs in the understory, taking on the appearance and function of a true forest. The Ponderosa Pine, Pinus Ponderosa, will grow on most soils including very sandy soils and sites with very little topsoil. Once established, it is very drought resistant. With good care, Ponderosa Pine trees will grow to a height of six feet in six years, starting with a 2 year old seedling. Romanticized in television, books, and film, the Ponderosa pine ecosystem is instantly recognizable to the many Americans who strongly associate these woodlands or “savannas” of tall, widely spaced pine trees with the mountains of the Southwest.. Individual ponderosa pine trees (Pinus ponderosa) can live well over years. Their extreme.
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The ponderosa pine type covers approximately 4 million acres in Colorado at an'elevation of about to ft. Besides being a source of valuable timber it furnishes winter forage from browse for deer and elk and a considerable amount of summer range for live stock, chiefly cattle.
(The vegetation type is not suited to sheep). The grazing land may be savannah, open grass park devoid of Cited by: 6. An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker.
Audio. An illustration of a " floppy disk. Conditions and trends on ponderosa pine ranges in Colorado Item Preview remove-circle Share or Embed This : The Rocky Mountain ponderosa pine forest is a forest plant community at an elevation of 2,–2, metres (6,–8, ft) in the Rocky Mountains, in the U.S.
state of is an important temperate coniferous forest ecoregion, including some endemic wildlife and grass species that are only found in this ponderosa pine (Pinus ponderosa) habitat.
The ponderosa pine (Pinus ponderosae scopulorum) is the most widely distributed pine in North America and occupies a vast area in the West. Ponderosa pine forests, woodlands and savannas occupy approximately 2 million acres in Colorado or 8 percent of the state’s forested land.
Get this from a library. Identification and ecology of old ponderosa pine trees in the Colorado Front Range. [Laurie Stroh Huckaby; Merrill R Kaufmann; Paula J Fornwalt; Jason M Stoker; Chuck Dennis; United States. Department of Agriculture.; Rocky Mountain Research Station (Fort Collins, Colo.)] -- "We describe the distinguishing physical characteristics of old ponderosa pine trees in the.
dealized silhouettes of ponderosa pines of various ages and on various site conditions in the Front Range of Colorado (in the style of the Keen  tree vigor classification for ponderosa pine.
Interior Ponderosa Pine is the most widespread type, covering most of the range of the species from Canada to Mexico, and from the Plains States to the Sierra Nevada, and the east side of the Cascade Mountains. Ponderosa pine is also a component of 65 percent of all western forest cover types south of Conditions and trends on ponderosa pine ranges in Colorado book boreal forest.
aboriginal burning and other factors. In the Front Range of Colorado, for example, ponderosa pine forests were subject to frequent surface fires at lower elevations, much like other ponderosa pine forests in the west. At higher elevations ( m), where ponderosa pine is mixed with Douglas-fir and lodgepole pine (more moist.
One goal of fuels treatments is to limit potential fire behavior by reducing overstory tree density, but this may precipitate regeneration, which cont. Ponderosa pine (Pinus ponderosa Douglas ex P. Lawson & C. Lawson) is less shade tolerant, but more fire and drought resistant than Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco).
Franco). We considered three critical features of the post treatment environment: species composition, forest structure (especially density), and site characteristics.
Additional Physical Format: Online version: Willits, Susan. Lumber recovery from dead ponderosa pine in the Colorado Front Range. [Portland, Or.]: U.S. Dept. Author of The prairie world, The world of the porcupine, The prairie world [by] David F. Costello, Range ecology, The desert world, The mountain world, Conditions and trends on ponderosa pine ranges in Colorado, Weather and plant-development data as determinants of grazing periods on mountain range.
In ponderosa pine forests of the Colorado Front Range (CFR), the historic fire regime was mixed severity, meaning that fire effects were varied both within stands and across the landscape and included low‐, moderate‐ and high‐severity fire (Kaufmann et al. Ponderosa pine is a species of lean and erect coniferous trees distributed in the western US and Canada.
It is one of the most abundant conifer species in America and is valued for its rugged-looking and resilient timber as well as for recreational use. Scientific Classification Kingdom Plantae Division Pinophyta Class Pinopsida Order Pinales Family [ ].
Pinus ponderosa is a dominant tree in the Kuchler plant association, the ponderosa shrub most western pines, the ponderosa generally is associated with mountainous topography. However, it is found on banks of the Niobrara River in Nebraska.
Scattered stands occur in the Willamette Valley of Oregon and in the Okanagan Valley and Puget Sound areas of Washington. Ponderosa pine grows best in full sun and deep, moist, well drained soil, but will adapt to a wide range of soil and growing conditions including alkaline, dry, low humidity, wind,and high elevation.
It is highly drought tolerant once established. It is damaged by late frosts and is intolerant of shade. ponderosa pine within its range include ceanothus, sagebrush, oak, snowberry, bluestem, fescue, and polargrass.
Adaptation The USDA hardiness zones for ponderosa pine range from 3 to 7. It grows on a variety of soils from shallow to deep, and from gravelly sands to sandy clay loam.
It is found growing on bare rock with its. Ponderosa pine is typically dominant on warm, dry sites with a short growing season and very low summer precipitation. Temperatures annual average 41° to 50° F with extremes ranging from ° to ° F.
Being drought tolerant, it out competes other species to. Tips on Growing Ponderosa Pine. Ponderosa pine (Pinus ponderosa) is a large coniferous tree with a lifespan of up to years. There are two principal varieties of ponderosa, known commonly as.
Population Size. Score 0 - Large: Generally >, individuals. Range Extent. Score 0 - Widespread species within Montana (occurs in 5% or more of the state or generally occurring in 6 or more sub-basins.) as well as outside of Montana.
Area of Occupancy. Score 0 - High: Occurs in >25 Subwatersheds (6th Code HUC’s). Environmental Specificity. Score 0 - Low: Species is a generalist. more ﬁre adapted conditions. We used a dendrochronological approach to reconstruct pre-settlement era (ca.
) structure forha plots in montane ponderosa pine-dominated forests of the Colorado and Wyoming Front Range. Historical reconstructions were quantitatively compared with current conditions to highlight key departures. The level of inter-annual variability we show for ponderosa pine is somewhat lower than values observed elsewhere; excluding reports from Colorado by Linhart and Linhart and Mitton, seven studies on this species reviewed by Herrera et al.
report a mean (±1SE) CV p of ±a value much greater than the mean value of ± we. Figure 5. P ponderosa bark, cone, tree, stature, needles and male strobi.
(Aust et. ) Distribution:: Pinus ponderosa lives throughout much of the western states as well as parts of Canada and Mexico in arid regions as high as 10, feet in elevation.
Virtually all western states with mountain ranges contain Pinus ponderosa at low altitudes (Peattie ). A major source of timber, ponderosa pine forests are also important as wildlife habitat, for recreational use, and for esthetic values. Within its extensive range, two varieties of the species currently are recognized: Pinus ponderosa var.
ponderosa (Pacific ponderosa pine) (typical) and var. scopulorum (Rocky Mountain ponderosa pine) (10). We used dendrochronological data to reconstruct nonspatial and spatial forest structure at in fourteen ha plots in lower elevation (∼– m) ponderosa pine (Pinus ponderosa Douglas ex P.
Lawson & C. Lawson) forests across two study areas in northern Colorado. Fires recorded by trees in two or more plots from to The ponderosa pine and mixed-conifer forests of western North America have traditionally been considered adapted to a low- or low/moderate-severity fire regime (see Tables 1 and and2 2 for definitions of fire terms) –.There have been many large mixed-severity fires in western North America in recent years that have helped create widespread concern that fire exclusion has caused an.
fire severity records, it is unknown how short-term trends compare to fire severity prior to 20th century fire exclusion. This study compares historical (i.e.
pre) fire severity with observed modern fire severity and modeled potential fire behavior acrossha of montane forests of the Colorado Front Range. “That’s the leading theory, because (ponderosa pine pollen) is so big, and it’s so sticky, it doesn’t get inhaled as deeply into the passages, which could be a reason,” he said.
ponderosa pine trees that established during the early s probably resulted from a combination of factors, the team believes—openings in the forest owing to the dry conditions that killed trees, as well as rainfall that produced the right conditions for seedlings to germinate and saplings to grow in the dry ponderosa pine ecosystem.
While Central Oregon was not examined as part of the study, local forest experts have noticed similar trends cropping up in low-elevation burn scars once dominated by ponderosa pine forest.
the elevational range of ponderosa pine in the northern Colorado Front Range. They cut non-destructive cross sections containing ﬁ re scars from live and dead trees at 17 search areas, including seven areas within the park, at elevations from feet to feet.
Dominant forest cover type studied included: grassland-ponderosa, ponderosa. Pinus ponderosa variety scopulorum (Ponderosa Pine) Pinaceae (Pine Family) Foothills/montane. Woodlands. Spring. Bear Creek Pack Trail, Box-Death Hollow Wilderness, Octo Ponderosa bark is art work of color and jig-saw patterns.
Ponderosas often have deep fissures, especially on three-to-six foot diameter mature trees. Within 23 fires in ponderosa pine-dominated forests of the Colorado Front Range (–), we evaluated the spatial characteristics and predictability of refugia: first using Monitoring Trends.
Infiltration studies on ponderosa pine ranges of Colorado by Dortignac, E. J ; Love, L. Dudley (Lawrence Dudley), ; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.).
site conditions, and political and social realities, there is no one-size-fits-all recommendation for how mechanical thinning or prescribed fire should be used across the entire range of ponderosa pine in Colorado. Fire behavior is variable enough that it is impossible to precisely predict future fire behavior.
Shaded areas show the distribution of ponderosa pine in North America. The darker shading shows the distribu-tion of ponderosa pine in the Black Hills, Colorado Front Range, and Southwest (Arizona, New Mexico, and southwest-ern Colorado), areas that are the focus of this report.
We describe the distinguishing physical characteristics of old ponderosa pine trees in the Front Range of Colorado, the processes that tend to preserve them, their past and present ecological significance, and their role in ecosystem restoration. Photographs illustrate identifying features of old ponderosa pines and show how to differentiate them from mature and young trees.
Mountain pine beetle (MPB) is an insect native to the forests of western North America and is also known as the Black Hills beetle or the Rocky Mountain pine beetle.
MPB primarily develop in pines such as lodgepole, ponderosa, Scotch and limber pines, and less commonly affect bristlecone and piñon pines. Scientists from the National Park Service and the U.S. Geological Survey have reconstructed the recent migration history of ponderosa pine trees in the central Rocky Mountains.
Their recently published study on the movement of this species, through centuries and across complex terrain, is unprecedented in its methodology and scope.
The investigation informs an uncertain. The ponderosa pine tree (Pinus ponderosa) is a large evergreen that lives to years. Native to mountain and plateau regions of the United States, the ponderosa pine develops a taproot early in life that enables the tree to survive stressful conditions such as extended drought.
The tree is naturally a slow. With the exception of a few mountain parks, the once-extensive old-growth ponderosa forests of Colorado's Front Range are now almost entirely housing developments. A spokesperson for Jefferson County Open Space says that, conservatively speaking, 85 to 90 percent of this habitat is .Colorado Springs is a home rule municipality that is the largest city by area in Colorado as well as the county seat and the most populous municipality of El Paso County, Colorado, United is in east central Colorado, on Fountain Creek, 60 miles (97 km) south of 6, feet (1, m) the city stands over 1 mile ( km) above sea level, though some areas are significantly.The city of Flagstaff, Arizona was named for a flagpole made of Ponderosa Pine that was used to raise a United States flag (then 37 stars) during a centennial ceremony on July 4, Related Species: Austrian Pine (Pinus nigra) Caribbean Pine (Pinus caribaea) Eastern White Pine (Pinus strobus) Jack Pine (Pinus banksiana) Jeffrey Pine (Pinus.