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Selectivity of Pinus sylvestris extract and essential oil ...

It was only very recently demonstrated that essential oils from the needle extract of Pinus roxburghii Sarg. express a rather strong (about 70%) cytotoxic activity on human breast cancer MCF-7 cells at the dose of 100 μg/ml.

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Fire and the origin of Table Mountain pine - pitch pine ...

The prevalence of stand-replacing fire in the formation of Table Mountain pine - pitch pine (Pinus pungens Lamb. and Pinus rigida Mill., respectively) communities was investigated with dendrochronological techniques. Nine stands in Georgia, South Carolina, and Tennessee were analyzed for age structure, species recruitment trends, and radial growth patterns to determine whether

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Growth of Eastern White Pine (Pinus strobus L.) Related to ...

Growth of Eastern White Pine (Pinus strobus L.) Related to Forest Floor Consumption by Prescribed Fire in the Southern Appalachians Katherine J. Elliott, James M. Vose, and Barton D. Clinton, USDA Forest Service, Southern Research Station, Coweeta Hydrologic Laboratory, 3160 .

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Missing Rings, Synchronous Growth, and Ecological ...

Missing Rings, Synchronous Growth, and Ecological Disturbance in a 36-Year Pitch Pine (Pinus rigida) ... respectively. Average radial growth was higher in the southern group compared to the northern group during 67% of the 1980–2009 period (Fig 5). The warmest seed sources had significantly wider average ring widths than the coldest seed ...

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CiteSeerX — Fire and the origin of Table Mountain pine ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract: The prevalence of stand-replacing tire in the formation of Table Mountain pine- pitch pine (Pinus pungens Lamb. and Pinus rigida Mill., respectively) communities was investigated with dendrochronological techniques. Nine I < stands in Georgia, South Carolina, and Tennessee were analyzed for age structure ...

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Improved Sugar Production by Optimizing Planetary Mill ...

This paper describes an optimization of planetary mill pretreatment and saccharification processes for improving biosugar production. Pitch pine (Pinus rigida) wood sawdust waste was used as biomass feedstock and the process parameters optimized in this study were the buffering media, the milling time, the enzyme quantity, and the incubation time.

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Variation in recruitment and early demography in Pinus ...

1 . Following severe, stand‐replacing fires in 1995, we quantified emergence, growth and survival in Pinus rigida seedlings in eight stands in three areas of the pine barrens of Long Island, New York, USA, and examined factors contributing to spatial and temporal variation in recruitment.. 2 . We followed 6431 marked seedlings in the first cohort following fire, as well as additional cohorts ...

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Pinus pungens Lamb. Table Mountain Pine - ia Tech

Pinus pungensLamb. Table Mountain Pine Pinaceae Pine family Lino Della-Bianca Table Mountain pine (Pinus pungens) is also called Habitat hickory pine, mountain pine, or prickly pine. It is most often small in stature, poor in form, and exceed-Native Rangeingly limby.

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Forest community composition and dynamics of the Ossipee ...

Jan 01, 2011 · Cluster analysis of the 80 communities using tree relative densities produced four community types, dominated by 1) P. rigida, 2) P. rigida and Acer rubrum, 3) P. strobus and A. rubrum, and 4) A. rubrum, respectively. The frequency of the Pinus rigida community type was highest in 1952 and declined with time, with only 8% of sites predicted to ...

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Regeneration and Seedling-habitat Relationships of the ...

Effect of prescribed fire on local site conditions. Pinus rigida, P. strobus and Quercus alba were the most important overstory species both prior to and following the prescribed burn. The burn reduced the densities of these species ().Mean densities of mature P. rigida and P. strobus trees were 70% and 53%, respectively, lower in post-burn plots compared to the unburned stand.

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Galax urceolata - fs.fed.us

Mid-succession: In another Coweeta Hydrologic Laboratory study, Elliott and others [] found beetleweed recovered gradually after a chestnut oak-scarlet oak-pitch pine stand was clearcut in 1952.Beetleweed was the 2nd most common herbaceous species in the study area before clearcutting, representing 19% of total understory species composition.

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Primary and secondary decay fungi on exposed pine tree ...

title = "Primary and secondary decay fungi on exposed pine tree logs in the forest", abstract = "The successional diversity of basidiomycetous fungi was studied on Korean pine (Pinus koraiensis) and pitch pine (Pinus rigida) logs that were left exposed on the forest floor based on fungal surveys conducted after 18, 42, and 54 months of exposure.

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Table Mountain Pine Range and Habitat - Nc State University

According to Della-Bianca (1990) : "Table Mountain pine, an Appalachian endemic, grows almost entirely within the range of pitch pine, (Pinus rigida) and ia pine (P. iana), but is less frequent.In general, Table Mountain pine occupies xeric sites of Appalachian rocky and shaly mountainous areas from Georgia into Pennsylvania.

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Fire and the origin of Table Mountain pine pitch pine ...

Mar 03, 2006 · The prevalence of stand-replacing fire in the formation of Table Mountain pine pitch pine (Pinus pungens Lamb. and Pinus rigida Mill., respectively) communities was investigated with dendrochronological techniques.Nine stands in Georgia, South Carolina, and Tennessee were analyzed for age structure, species recruitment trends, and radial growth patterns to determine whether they .

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Missing Rings, Synchronous Growth, and Ecological ...

In contrast, Cook et al. found relatively small to insignificant differences among seed sources of loblolly pine (Pinus taeda L.) growing within individual plantations across the southern United States. Here, we evaluated trees from a pitch pine (Pinus rigida Mill.) provenance study established in 1974 in the New Jersey Pinelands National Reserve.

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Development and validation of nonlinear height–DBH models ...

respectively (Lee 2010). To determine the state of the forest lands in this country, the 5th National Forest Inventory (NFI) was ... 24.23 cm, whereas Pinus rigida species had the lowest mean DBH of 18.24 cm. The mean height of Larix kaempferi species was 17.07 m, which was the highest

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Plant Database - Lady Johnson Wildflower Center

Lady Johnson Wildflower Center focused on protecting and preserving North America's native plants through native plant lists and image galleries, conservation, education, natural landscapes, seed collection - Millennium Seed Bank (MSB) Project, preserving and restoring native communities, spreading awareness on invasive species and gardening to attract wildlife.

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Missing Rings, Synchronous Growth, and Ecological ...

Missing Rings, Synchronous Growth, and Ecological Disturbance in a 36-Year Pitch Pine (Pinus rigida) ... respectively. Average radial growth was higher in the southern group compared to the northern group during 67% of the 1980–2009 period (Fig 5). The warmest seed sources had significantly wider average ring widths than the coldest seed ...

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Plants Profile for Pinus rigida (pitch pine)

©J.S. Peterson. USDA NRCS National Plant Data Center (NPDC). United States, CA, Berkeley, University of California Berkeley Botanical Garden. March 24, 2004.

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Growth of Eastern White Pine (Pinus strobus L.) Related to ...

Growth of Eastern White Pine (Pinus strobus L.) Related to Forest Floor Consumption by Prescribed Fire in the Southern Appalachians Katherine J. Elliott, James M. Vose, and Barton D. Clinton, USDA Forest Service, Southern Research Station, Coweeta Hydrologic Laboratory, 3160 .

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Response of southern Appalachian table mountain pine ...

Southern Appalachian table mountain pine (Pinus pungens) and pitch pine (P. rigida) forests require disturbance for regeneration. Lightning-ignited fires and cultural burning practices provided the disturbance that prehistorically and historically maintained these forests. Burning essentially ceased on public lands in the early twentieth century when fire suppression became

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