Container-Grown Longleaf Pine Regeneration Costs in the Sandhills

1982 ◽  
Vol 6 (1) ◽  
pp. 33-39
Author(s):  
Richard W. Guldin
Keyword(s):  
Longleaf Pine ◽  
Pinus Palustris ◽  
Cost Effective ◽  
Pine Regeneration ◽  
The Cost

Abstract Planting longleaf pine (Pinus palustris Mill.) seedlings grown in containers is a biologically feasible and cost-effective regeneration method for sandhill sites. Considering the cost of replanting sites where regeneration efforts fail, using container-grown seedlings can result in a lower total regeneration cost. A method of analysis is outlined for specific sites.

Gaps in a gappy forest: plant resources, longleaf pine regeneration, and understory response to tree removal in longleaf pine savannas

2001 ◽  
Vol 31 (5) ◽  
pp. 765-778 ◽  
Author(s):  
John P McGuire ◽  
Robert J Mitchell ◽  
E Barry Moser ◽  
Stephen D Pecot ◽  
Dean H Gjerstad ◽  
...  
Keyword(s):  
Seedling Survival ◽  
Longleaf Pine ◽  
Light Availability ◽  
Pinus Palustris ◽  
Understory Vegetation ◽  
Net N Mineralization ◽  
Plant Resources ◽  
Pine Seedlings ◽  
Pine Regeneration ◽  
Tree Removal

Resource availability and planted longleaf pine (Pinus palustris Mill.) seedling and understory vegetation response within and among three sizes of experimentally created canopy gaps (0.11, 0.41, 1.63 ha) in a mature longleaf pine savanna were investigated for 2 years. Longleaf pine seedlings and understory vegetation showed increased growth in gaps created by tree removal. Longleaf pine seedling growth within gaps was maximized approximately 18 m from the uncut savanna. Increased longleaf pine seedling survival under the uncut savanna canopy observed after the first year suggests that the overstory may facilitate establishment of longleaf pine seedlings rather than reduce survival through competition. Despite the relative openness of the uncut longleaf pine forest, light quantity was increased by tree removal. Light was also the resource most strongly correlated with seedling and understory vegetation growth. Although net N mineralization was correlated to seedling response, the amount of variation explained was low relative to light. Belowground (root) gaps were not strong, in part because of non-pine understory roots increasing in biomass following tree removal. These results suggest that regeneration of longleaf pine may be maximized within gap sizes as small as approximately 0.10 ha, due largely to increases in light availability.

scholarly journals Effect of Container Size at Time of Planting on Tree Growth Rates for Baldcypress [Taxodium distichum (L.) Rich], Red Maple (Acer rubrum L.), and Longleaf Pine (Pinus palustris Mill.)

2010 ◽  
Vol 36 (2) ◽  
pp. 93-99
Author(s):  
Belinda Lambert ◽  
Steven Harper ◽  
Stephen Robinson
Keyword(s):  
Tree Growth ◽  
Longleaf Pine ◽  
Acer Rubrum ◽  
Pinus Palustris ◽  
Cost Effective ◽  
Taxodium Distichum ◽  
Wetland Mitigation ◽  
Planting Density ◽  
Percent Cover ◽  
Red Maple

The ecosystem restoration and wetland mitigation industries are challenged with recreating vegetative communities at an accelerated rate, while at the same time remaining cost effective. These created systems are typically bound by permit conditions to meet certain tree growth criteria in a specified time frame, commonly five years. Stock sizes of container grown trees are generally #1, #3, or #7 (gallons). The purpose of this study was to determine the relative cost effectiveness of these planting sizes for three commonly used species and to assess whether they achieve common success criteria for height, percent survival, and percent cover. These three species are baldcypress [Taxodium distichum (L.) Rich], red maple (Acer rubrum L.), and longleaf pine (Pinus palustris Mill.). Based on the standard planting density of 174 trees/hectare, the most cost-effective size was #3 in all cases. All three sizes of baldcypress and red maple met the 3.7 m height criterion; no size of longleaf pine met the criterion. All sizes of all species failed to meet both the 85% survival standard and a theoretical minimum 50% cover calculated from canopy diameter measurements. If planting densities are increased to meet cover requirements and to offset mortality, container size #1 may be more favorable for baldcypress and red maple, but not for longleaf pine. The study was conducted in Pinellas County, Florida, U.S.

Proportional basal area method for implementing selection silviculture systems in longleaf pine forests

2014 ◽  
Vol 44 (8) ◽  
pp. 977-985 ◽  
Author(s):  
Dale G. Brockway ◽  
Edward F. Loewenstein ◽  
Kenneth W. Outcalt
Keyword(s):  
Longleaf Pine ◽  
Volume Growth ◽  
Basal Area ◽  
Pinus Palustris ◽  
Selection Systems ◽  
Pine Regeneration ◽  
Large Trees ◽  
Single Tree Selection ◽  
Pass Through ◽  
Specific Species

Proportional basal area (Pro-B) was developed as an accurate, easy-to-use method for making uneven-aged silviculture a practical management option. Following less than 3 h of training, forest staff from a range of professional backgrounds used Pro-B in an operational-scale field study to apply single-tree selection and group selection systems in longleaf pine (Pinus palustris Mill.) stands. Field crews achieved precision levels often within 3%–5% of the 11.5 m2·ha−1 target residual basal area. By aggregating many diameter classes into only three diameter-class groups, Pro-B improves efficiency by requiring tree markers to remember only three fractions, while making a single pass through the stand. Trees of large size, specific species and with good form, broad crowns and cavities can be retained, while adjusting spacing to release residuals. Systematic quantification of marking trees for removal enables different individuals to obtain similar results. Early observations revealed encouraging levels of pine regeneration and stand development, along with continuing good volume growth rates of 3% per year. Although less certain until one or more cutting cycles are completed, these early tests indicate that a stable mature forest structure should develop, which is characterized by the presence of large trees and natural regeneration.

Longleaf Pine Management on the DeSoto National Forest—A Case Study

1989 ◽  
Vol 13 (1) ◽  
pp. 34-40
Author(s):  
Gene A. Sirmon ◽  
Roger W. Dennington
Keyword(s):  
Natural Regeneration ◽  
Longleaf Pine ◽  
Pinus Palustris ◽  
National Forest ◽  
Culture Care ◽  
Artificial Regeneration ◽  
Pine Regeneration ◽  
Trained Personnel ◽  
Bareroot Seedlings

Abstract Longleaf pine (Pinus palustris Mill) reforestation efforts were successful on the National Forest in south Mississippi when foresters began applying the proper technology. Artificial regeneration by planting bareroot seedlings and natural regeneration by the shelterwood system bothresulted in a plantation success rate consistently above 90%. This success can be attributed to better site preparation, better seedling culture, care, and handling, and more highly trained personnel committed to excellence in longleaf pine regeneration. South. J. Appl. For. 13(1):34-40.

Impacts of Feral Hogs on Longleaf Pine Regeneration

1989 ◽  
Vol 13 (4) ◽  
pp. 177-181 ◽  
Author(s):  
Donald J. Lipscomb
Keyword(s):  
Natural Regeneration ◽  
Longleaf Pine ◽  
Pinus Palustris ◽  
Crop Failure ◽  
Growing Seasons ◽  
Feral Hog ◽  
Pine Regeneration ◽  
Sus Scrofa Domesticus ◽  
Feral Hogs ◽  
Free Ranging

Abstract Moderate to heavy populations of feral hogs (Sus scrofa domesticus) were fenced out of 32 tenth-acre plots in a natural regeneration area for longleaf pine (Pinus palustris Mill.) After two growing seasons the fenced areas contained the equivalent of 500 fire-resistant longleaf pineseedlings per acre while corresponding unfenced areas contained only 8 fire-resistant seedlings per acre. Thus free ranging feral hogs caused a crop failure in these natural regeneration stands of longleaf pine. There was evidence that feral hogs selected the larger seedlings. Thus longleafpine seedling crops that survive feral hog depredation will be progressively less competitive and vigorous. Areas with feral hog problems may need to control the hog population by trapping, hunting, or fencing. South. J. Appl. For. 13(4):177-181.

scholarly journals Sixty Years of Management on a Small Longleaf Pine Forest

2011 ◽  
Vol 35 (1) ◽  
pp. 50-53
Author(s):  
Rebecca Barlow ◽  
John S. Kush ◽  
William D. Boyer
Keyword(s):  
Capital Investment ◽  
Management Strategy ◽  
Prescribed Burning ◽  
Longleaf Pine ◽  
Pinus Palustris ◽  
Capital Outlay ◽  
Small Scale ◽  
The Us ◽  
Us Forest Service ◽  
The Cost

Abstract In 1948, the US Forest Service set aside a 40-ac tract on the Escambia Experimental Forest in South Alabama to demonstrate longleaf pine (Pinus palustris Mill.) management for the small landowner. At that time, the management goal for this “Farm 40” was to produce high-quality poles and logs on a 60-year rotation. The goal was to be accomplished entirely through management of the existing natural forest, with little to no capital investment other than the cost for prescribed burning, marking trees for cut, and limited control of cull hardwoods. Management of the forest has continued making the Farm 40 an excellent demonstration of small-scale longleaf pine management. Frequent harvests and small capital outlay continues to make this type of management strategy especially appealing to today's landowners with limited resources.

The IBM-PC in electron microscopy

1996 ◽  
Vol 54 ◽  
pp. 612-613
Author(s):  
James F. Mancuso
Keyword(s):  
Head Start ◽  
Image Acquisition ◽  
Cost Effective ◽  
Financial Applications ◽  
Number Of Factors ◽  
Instrument Control ◽  
The Cost ◽  
Training And Support ◽  
Control Image ◽  
Ibm Pc

IBM PC compatible computers are widely used in microscopy for applications ranging from control to image acquisition and analysis. The choice of IBM-PC based systems over competing computer platforms can be based on technical merit alone or on a number of factors relating to economics, availability of peripherals, management dictum, or simple personal preference.IBM-PC got a strong “head start” by first dominating clerical, document processing and financial applications. The use of these computers spilled into the laboratory where the DOS based IBM-PC replaced mini-computers. Compared to minicomputer, the PC provided a more for cost-effective platform for applications in numerical analysis, engineering and design, instrument control, image acquisition and image processing. In addition, the sitewide use of a common PC platform could reduce the cost of training and support services relative to cases where many different computer platforms were used. This could be especially true for the microscopists who must use computers in both the laboratory and the office.

Sonographically guided, transcatheter foam sclerotherapy of the great saphenous vein

Phlebologie ◽  
2007 ◽  
Vol 36 (06) ◽  
pp. 309-312 ◽  
Author(s):  
T. Schulz ◽  
M. Jünger ◽  
M. Hahn
Keyword(s):  
Saphenous Vein ◽  
Great Saphenous Vein ◽  
Clinical Stage ◽  
Clinical Signs ◽  
Cost Effective ◽  
Duplex Sonography ◽  
Foam Sclerotherapy ◽  
Average Loss ◽  
One Year ◽  
The Cost

Summary Objective: The goal of the study was to assess the effectiveness and patient tolerability of single-session, sonographically guided, transcatheter foam sclerotherapy and to evaluate its economic impact. Patients, methods: We treated 20 patients with a total of 22 varicoses of the great saphenous vein (GSV) in Hach stage III-IV, clinical stage C2-C5 and a mean GSV diameter of 9 mm (range: 7 to 13 mm). We used 10 ml 3% Aethoxysklerol®. Additional varicoses of the auxiliary veins of the GSV were sclerosed immediately afterwards. Results: The occlusion rate in the treated GSVs was 100% one week after therapy as demonstrated with duplex sonography. The cost of the procedure was 207.91 E including follow-up visit, with an average loss of working time of 0.6 days. After one year one patient showed clinical signs of recurrent varicosis in the GSV; duplex sonography showed reflux in the region of the saphenofemoral junction in a total of seven patients (32% of the treated GSVs). Conclusion: Transcatheter foam sclerotherapy of the GSV is a cost-effective, safe method of treating varicoses of GSV and broadens the spectrum of therapeutic options. Relapses can be re-treated inexpensively with sclerotherapy.

A Digital Economy Model for Talent Prediction Data Analytic

2019 ◽  
Vol 2 (4) ◽  
pp. 260-266
Author(s):  
Haru Purnomo Ipung ◽  
Amin Soetomo
Keyword(s):  
Business Model ◽  
Industrial Revolution ◽  
Technology Innovation ◽  
Cost Effective ◽  
Sharing Economy ◽  
Token Economy ◽  
Economy Model ◽  
New Business ◽  
The Cost ◽  
Data Analytic

This research proposed a model to assist the design of the associated data architecture and data analytic to support talent forecast in the current accelerating changes in economy, industry and business change due to the accelerating pace of technological change. The emerging and re-emerging economy model were available, such as Industrial revolution 4.0, platform economy, sharing economy and token economy. Those were driven by new business model and technology innovation. An increase capability of technology to automate more jobs will cause a shift in talent pool and workforce. New business model emerge as the availabilityand the cost effective emerging technology, and as a result of emerging or re-emerging economic models. Both, new business model and technology innovation, create new jobs and works that have not been existed decades ago. The future workers will be faced by jobs that may not exist today. A dynamics model of inter-correlation of economy, industry, business model and talent forecast were proposed. A collection of literature review were conducted to initially validate the model.

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