Download Implications of Research on Lodgepole Pine Introduction in Interior Alaska (Classic Reprint) - John Norman Alden file in PDF
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The adaptations of lodgepole pine to severe, stand-replacement fire–in particular its serotinous cones–have long been acknowledged. Less well-known is that lodgepole pine forests also burn in low- to mixed-severity fire, resulting in patchy and variable patterns across the landscape.
Another important implication of our findings is that lodgepole pine forests in alberta’s foothills have the potential to adapt to increased fire frequency caused by climate warming.
We examined the effects of low-impact broadcast-burning and disk-trenching position significantly affected lodgepole pine foliar nutrient status in this study.
The accumulation of copious defense-related secondary metabolites in the resin of mountain pine beetle-killed lodgepole pine has important implications for describing the environmental niche that the beetle offspring survive in as well as that of parasitoids, predators, and other associates.
Tr116: research and information needs assessment to support sustainable watershed management in the skeena, omineca, cariboo, and kootenay/boundary natural resource regions, british columbia tr115 effects of high plantation densities on the growth and yield of lodgepole pine.
Much of the research regarding blue-stained lodgepole pine utilization finds that the sooner the wood is harvested after a mpb attack, the better the chances for quality wood and reduced blue stain. Some of the research also states that high quality wood can be harvested for a number of years following a beetle attack.
21 mar 2020 predict the primary impact if the lodgepole pine declines.
12 mar 2015 climate change is likely to have a profound and long-term impact on forest previous studies of lodgepole pine health in this area are lacking.
Find related stories on nsf's environmental research and education (ere) programs at this link. In mountains across the western united states, scientists are racing against time--against a tiny beetle--to save the last lodgepole pines.
In some places, the pine trees have long since shed their dry needles, their arthritic limbs merely ghosts of the mountains. The cause of this decline in forest health—with implications for lodgepole and whitebark pine, to name a few species—is largely the result of the native mountain pine beetle.
The objective of this study was to assess quality of lodgepole pine (pinus contorta the effect was increasing with decreasing site fertility (hagner, 1971).
The ecological effects of these secondary disturbances are poorly understood study demonstrate that the high tree densities characteristic of lodgepole pine.
28 jul 2016 every year, billions of dollars are spent funding biomedical research, funders want to demonstrate their “impact,” and it is tempting for them.
Implications of our findings on throughfall sampling and for future ecohydrological studies in juvenile lodgepole pine and similar stands are discussed. Additionally, stemflow was measured so that a full canopy water balance could be derived for each event and over the study period.
6 feb 2020 research has shown that the more rigorous forests are thinned, the more resilient they can be under the impact of climate change.
Wildfire is a ubiquitous disturbance agent in subalpine forests in western north america. Latifolia), a dominant tree species in these forests, is largely resilient to high-severity fires, but this resilience may be compromised under future scenarios of altered climate and fire.
14 nov 2019 naficy's findings and what the implications might be for managing alberta's forests.
15 sep 2014 the aim of this study is to investigate the stand structure of lodgepole pine forests 21–28 years after a mountain pine beetle epidemic with.
Lodgepole pine (pinus contorta) forests of the intermountain west are currently experiencing a widespread epidemic of the mountain pine beetle (dendroctonus ponderosae), due in part to climate change. Major habitat changes will occur at a range of spatial scales as a result, with largely unknown implications for forest wildlife species.
Long-term influence of stand thinning and repeated fertilization on forage production in young lodgepole pine forests.
Implications of those results on organic matter management are discussed in the context of forest productivity sustainability. Keywords seedling growth ten-year growth response organic matter loading management implications long-term experimental study lodgepole pine.
Implications of research on lodgepole pine introduction in interior alaska.
A synthesis of our current knowledge about the effects of the mountain pine beetle epidemic on together expertise of scientists who study lodgepole pine.
Previous examination of juvenile trembling aspen-lodgepole pine mixtures on zonal sites in south-central british columbia focused on the competitive effects of aspen as tall or taller than target pine.
Harvesting and reforestation are described, and implications for forest planning, silviculture, and research are discussed. During the last 5 years, an association of 9 alberta timber companies, the alberta department of sustainable resource development (asrd), the foothills model forest, and other collaborating.
Lodgepole pine trees after mountain pine beetle outbreak, including evaluating the the key implication from this study may surprise some foresters.
The observed pattern of genetic variation and ge has the following practical implications regarding reforestation and conservation of lodgepole pine in alberta. (1) although populations from lf and lbh have high growth potential on a broad range of environments, they cannot be planted north of latitude 57on to improve height and diameter,.
The implications of these results on potential fire behaviour in mpb-attacked lodgepole pine stands are difficult to interpret due to limitations of the experimental fire design. Rarely in naturally attacked lodgepole pine stands would 90 percent of the tree mortality occur all within 1 year.
As one group of researchers noted: is re-establishment of lodgepole pine.
Lodgepole pine (pinus contorta) forests are widely distributed throughout north america and are subject to mountain pine beetle (dendroctonus ponderosae) epidemics, which have caused mortality over millions of hectares of mature trees in recent decades. Mountain pine beetle is known to influence stand structure, and has the ability to impact many forest processes.
62 cm dbh were tagged and the species, dbh, total height, height to the base of the live crown, status (live or dead), causal agent of mortality (when applicable), and year of death (when applicable) were recorded.
Free-growing, by its definition covers a limited time frame of a stands life. As the concept provides a significant milestone within stand management, debates arise regarding whether this target is an adequate method to evaluate silvicultural success (martin, 2012). Forestry experts and the government have conducted surveys around this debate.
Lodgepole pine, pinus contorta, jack pine, pinus banksiana, hybridization related search. Implications of research on lodgepole pine introduction in interior alaska. Should ponderosa pine be planted on lodgepole pine sites? height growth determinants in pines: a case study of pinus contorta and pinus monticola.
Lodgepole pine can grow well on a wide range of land forms including meadows, gentle slopes, and basins or steep and rocky slopes and ridges. It grows better on moister east and north facing slopes than on dry south or west facing slopes.
Research is still needed to gain further understanding of how sar signals interact with forests and how this interaction can be exploited for operational use in forestry applications. This study compares insar/polinsar derived canopy height over dense homogenous lodgepole pine to pinus contorta lidar derived canopy height.
Black1,5 1xerces society for invertebrate conservation increase the risk of active crown fire in lodgepole pine (pinus contorta) and spruce (picea.
Of lodgepole pine and mountain pine beetles – a focus on forest ecology and fire behavior. (kaufmann, et al, 2009) the ongoing mountain pine beetle epidemic is heavily impacting lodgepole pine forests. From british columbia to colorado, forests are experiencing high mortality of lodgepole pine trees from attack by mountain pine beetles.
Yield implications of site preparation treatments for lodgepole pine and white spruce in northern british columbia.
Impact of fire, as a natural disturbance, on carbon cycling in pinus contorta ( lodgepole pine) forests.
Proportion of lodgepole pine will increase with each recurring fire. Again, the serotinous cone habit is a major mechanism that enables lodgepole pine to become established at the expense of associated species. Only western larch approaches lodgepole pine in aggressively restocking burned areas.
Growth, winter injury, and mortality were evaluated for 12-year-old trees of 11 subarctic lodgepole pine provenances and a jack pine provenance at fairbanks,.
16 jun 2014 a red squirrel forages for lodgepole pine seeds in yellowstone national park. New research shows that squirrels counteract the evolutionary.
The overall effect of the tioga road on tuolumne meadows groundwater and however, other researchers have highlighted this pattern of lodgepole pine.
General survey of the leaf oil terpene composition of lodgepole pine. The distribution and botanical characteristics of lodgepole pine: biogeographical and management implications.
Culture of immature lodgepole pine stands for timber objectives. In: proceedings, symposium on management of lodgepole pine ecosystems, october 9-11, 1973. Feasibility of silvicultural practices for reducing losses to the mountain pine beetle in lodgepole pine.
Anticipating the future 71 requires an understanding of long-term drivers of forest and fire dynamics. The unique character 72 of central oregon’s lodgepole-dominated forests means that we cannot extrapolate historical fire 73 regimes from lodgepole forests elsewhere.
61 northwestern naturalist 88:61–72 autumn 2007 effects of burning and thinning on lodgepole chipmunks (neotamias speciosus) in thesierra nevada, california marc dmeyer usda forest service, pacific southwest research station, sierra nevada research center,.
One of the latest paleodem research results has been published by the prestigious societies, as well as their potential effects on cumulative cultural evolution.
Millions of acres of high-elevation lodgepole and ponderosa have died, and scientists are understandably interested in ecohydrologic implications. With canopy death comes increased soil moisture, surface temperature, and decreased transpiration, but few have investigated the possible.
Pinus contorta, with the common names lodgepole pine and shore pine, and also known as twisted pine, and contorta pine, is a common tree in western north america. It is common near the ocean shore and in dry montane forests to the subalpine, but is rare in lowland rain forests.
6 oct 2020 pdf the objective of this study was to compare volume growth and external timber quality properties of lodgepole pine (pinus contorta dougl.
30 oct 2019 these results support previous studies that found that regenerating lodgepole pine stands offer particularly good habitat for snowshoe hares.
Lodgepole and jack pine were sampled along a transect extending from the beetle's historic range (central bc) to the newly invaded area east of the rocky mountains in north-central alberta (ab) in canada for constitutive phloem resin terpene levels.
Research goals identify lodgepole pine and spruce genes that are key to health and productivity under different temperature and moisture regimes evaluate the diversity of bc and alberta’s natural lodgepole pine and spruce populations and reforestation seedlots in relation to future climates.
My findings for the preliminary work and focal research are presented in the results section. In the discussion, i talk about the results and implications of the project in the context of existing literature, with special attention.
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