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Maximum likelihood estimation for predicting the probability of obtaining variable shortleaf pine regeneration densities

A logistic equation is the basis for a model that predicts the probability of obtaining regeneration at specified densities. The density of regeneration (trees/ha) for which an estimate of probability is desired can be specified by means of independent variables in the model. When estimating parameters, the dependent variable is set to 1 if the regeneration density (...

https://www.fs.usda.gov/treesearch/search?keywords=%22estimation%22&%3Bamp%3Bf%5B0%5D=author_facet%3A%22Bartos%2C%20Dale%22&%3Bf%5B0%5D=year%3A%221946%22&f%5B0%5D=author_facet%3A%22Progar%2C%20Robert%22&f%5B1%5D=author_facet%3A%22Guldin%2C%20James%22&f%5B2%5D=author_facet%3A%22King%2C%20Rudy%22&f%5B3%5D=author_facet%3A%22Tshabalala%2C%20Mandla%22&f%5B4%5D=author_facet%3A%22Atalla%2C%20Rajai%22

Author(s):

Thomas B. Lynch; Jean Nkouka; Michael M. Huebschmann; James M. Guldin

Year:

2003

Keywords:

Natural regeneration, Pinus echinata, logistic regresson

Source:

Forest Science 49(4): 577-584

Evaluation of FOFEM fuel loading and consumption estimates in pine-oak forests and woodlands of the Ouachita Mountains, Arkansas, USA

Accurate fuel load and consumption predictions are important to estimate fire effects and air pollutant emissions. The FOFEM (First Order Fire Effects Model) is a commonly used model developed in the western United States to estimate fire effects such as fuel consumption, soil heating, air pollutant emissions, and tree mortality. However, the accuracy of the model in...

Author(s):

Virginia L. McDaniel; Roger W. Perry; Nancy E. Koerth; James M. Guldin

Year:

2016

Keywords:

fire effects models, fire emissions, Fuel Characteristic Classification System, shortleaf pine

Source:

Forest Science. 62(3): 307-315

Estimating The Probability Of Achieving Shortleaf Pine Regeneration At Variable Specified Levels

A model was developed that can be used to estimate the probability of achieving regeneration at a variety of specified stem density levels. The model was fitted to shortleaf pine (Pinus echinata Mill.) regeneration data, and can be used to estimate the probability of achieving desired levels of regeneration between 300 and 700 stems per acre 9-l 0...

Author(s):

Thomas B. Lynch; Jean Nkouka; Michael M. Huebschmann; James M. Guldin

Year:

2002

Keywords:

Source:

Gen. Tech. Rep. SRS–48. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp 473-474

Estimating fuel consumption during prescribed fires in Arkansas

While prescribed fire is essential to maintaining numerous plant communities, fine particles produced in smoke can impair human health and reduce visibility in scenic areas. The Arkansas Smoke Management Program was established to mitigate the impacts of smoke from prescribed fires. This program uses fuel loading and consumption estimates from standard fire-behavior...

Author(s):

Virginia L. McDaniel; James M. Guldin; Roger W. Perry

Year:

2012

Keywords:

Source:

In: Butnor, John R., ed. 2012. Proceedings of the 16th biennial southern silvicultural research conference. e-Gen. Tech. Rep. SRS-156. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 196-203.

Protocol for monitoring standing crop in grasslands using visual obstruction

Assessment of standing crop on grasslands using a visual obstruction technique provides valuable information to help plan livestock grazing management and indicate the status of wildlife habitat. The objectives of this study were to: (1) develop a simple regression model using easily measured visual obstruction to estimate standing crop on sandy lowland range sites in...

Author(s):

Lakhdar Benkobi; Daniel W. Uresk; Greg Schenbeck; Rudy M. King

Year:

2000

Keywords:

Residual cover, grassland structure, regression model, wildlife habitat, Robel pole, Nebraska Sandhills

Source:

Journal of range management 53(6): p. 627-633

Roost sites of radio-marked Mexican spotted owls in Arizona and New Mexico: sources of variability and descriptive characteristics

To increase understanding of roosting habitat of Mexican Spotted Owls (Strix occidentalis lucida) and factors that influence use of roosting habitat, we sampled habitat characteristics at 1790 sites used for roosting by 28 radio-marked Mexican Spotted Owls in three study areas in Arizona and New Mexico. We explored potential patterns of variation in...

Author(s):

Joseph L. Ganey; William M. Block; Rudy M. King

Year:

2000

Keywords:

Mexacan Spotted Owl, Strix occidentalis lucida, Arizona, New Mexico, radiotelemtry, repeated measures, roost sites, sources of variation

Source:

Journal of raptor research. 34(4): 270-278

Nonlinear mixed modeling of basal area growth for shortleaf pine

Mixed model estimation methods were used to fit individual-tree basal area growth models to tree and stand-level measurements available from permanent plots established in naturally regenerated shortleaf pine (Pinus echinata Mill.) even-aged stands in western Arkansas and eastern Oklahoma in the USA. As a part of the development of a comprehensive...

Author(s):

Chakra B. Budhathoki; Thomas B. Lynch; James M. Guldin

Year:

2008

Keywords:

mixed-effects, random-effects, maximum likelihood estimation, Pinus eechinata Mill.

Source:

Forest Ecology and Management, Vol. 255: 3440-3446

Creating a stage-based deterministic PVA model - the western prairie fringed orchid [Exercise 12]

Contemporary efforts to conserve populations and species often employ population viability analysis (PVA), a specific application of population modeling that estimates the effects of environmental and demographic processes on population growth rates. These models can also be used to estimate probabilities that a population will fall below a certain level. This...

Author(s):

Carolyn Hull Sieg; Rudy M. King; Fred Van Dyke

Year:

2003

Keywords:

population viability analysis (PVA), western prairie fringed orchid, estimate, population

Source:

In: Van Dyke, Fred, ed. A Workbook In Conservation: Solving Practical Problems in Conservation. New York, NY: McGraw-Hill. p. 91-99.

Using quadratic mean diameter and relative spacing index to enhance height-diameter and crown ratio models fitted to longitudinal data

The inclusion of quadratic mean diameter (QMD) and relative spacing index (RSI) substantially improved the predictive capacity of height?diameter at breast height (d.b.h.) and crown ratio models (CR), respectively. Data were obtained from 208 permanent plots established in western Arkansas and eastern Oklahoma during 1985?1987 and remeasured for the sixth time (2012?...

Author(s):

Pradip Saud; Thomas B. Lynch; Anup K. C.; James M. Guldin

Year:

2016

Keywords:

mixed-effects model, autocorrelation, height–d.b.h. relationship, crown ratio, quadratic mean diameter, relative spacing index

Source:

Forestry

Estimating the probability of survival of individual shortleaf pine (Pinus echinata mill.) trees

A survival model is needed in a forest growth system which predicts the survival of trees on individual basis or on a stand basis (Gertner, 1989). An individual-tree modeling approach is one of the better methods available for predicting growth and yield as it provides essential information about particular tree species; tree size, tree quality and tree present status...

Author(s):

Sudip Shrestha; Thomas B. Lynch; Difei Zhang; James M. Guldin

Year:

2012

Keywords:

Source:

Pelletized ponderosa pine bark for adsorption of toxic heavy metals from water

Bark flour from ponderosa pine (Pinus ponderosa) was consolidated into pellets using citric acid as cross-linking agent. The pellets were evaluated for removal of toxic heavy metals from synthetic aqueous solutions. When soaked in water, pellets did not leach tannins, and they showed high adsorption capacity for Cu(ll), Zn(ll), Cd(ll). and Ni(ll) under both equilibrium...

Author(s):

Miyoung Oh; Mandla A. Tshabalala

Year:

2007

Keywords:

Bark, sorbent, adsorption, metals, pine, nickel, cadmium, copper, zinc, pine utilization, bark utilization, metal ions, absorption, adsorption, heavy metals, water quality management, water pollution, pine bark, kinetics, ponderosa pine

Source:

BioResources. Vol. 2, no. 1 (2007): pages 66-81.

Estimating long-term carbon sequestration patterns in even- and uneven-aged southern pine stands

Carbon (C) sequestration has become an increasingly important consideration for forest management in North America, and has particular potential in pine-dominated forests of the southern United States. Using existing literature on plantations and long-term studies of naturally regenerated loblolly (Pinus taeda) and shortleaf (Pinus echinata) pine-dominated stands on...

Author(s):

Don C. Bragg; James M. Guldin

Year:

2010

Keywords:

Crossett Experimental Forest, Loblolly pine, shortleaf pine, silviculture

Source:

In: Jain, Theresa B.; Graham, Russell T.; Sandquist, Jonathan. Integrated management of carbon sequestration and biomass utilization opportunities in a changing climate: Proceedings of the 2009 National Silviculture Workshop; 2009 June 15-18; Boise, ID. Proceedings RMRS-P-61. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 111-123.

Restoring the shortleaf pine - bluestem grass ecosystem: An economic evaluation

The shortleaf pine (Pinus echinata Mill.) - bluestem grass (Andropogon spp.) ecosystem that existed prior to European settlement is being restored on 155,000 acres in the Ouachita National Forest of western Arkansas. Preliminary analyses indicate that revenues generated in the affected area will decline because of reduced sale...

Author(s):

M.M. Huebschmann; T.B. Lynch; D.K. Lewis; James M. Guldin

Year:

1999

Keywords:

Red-cockaded woodpecker, shortleaf pine, bluestem grass, IMPLAN

Source:

Proceedings of the Society of American Foresters 1999 National Convention, Portland, Oregon, Sept. 11-15, p. 537-538

An individual-tree dbh-total height model with random plot effects for shortleaf pine

Individual tree measurements were available from over 200 permanent plots established during 1985-1987 and later remeasured in naturally regenerated stands of shortleaf pine (Pinus echinata Mill.) in western Arkansas and eastern Oklahoma. The objective of this study was to model shortleaf pine growth in natural stands for the region. As a major...

Author(s):

Chakra B. Budhathoki; Thomas B. Lynch; James M. Guldin

Year:

2007

Keywords:

Source:

In: Kabrick, John M.; Dey, Daniel C.; Gwaze, David, eds. Shortleaf pine restoration and ecology in the Ozarks: proceedings of a symposium; 2006 November 7-9; Springfield, MO. Gen. Tech. Rep. NRS-P-15. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 194-195.

Individual tree growth models for natural even-aged shortleaf pine

Shortleaf pine (Pinus echinata Mill.) measurements were available from permanent plots established in even-aged stands of the Ouachita Mountains for studying growth. Annual basal area growth was modeled with a least-squares nonlinear regression method utilizing three measurements. The analysis showed that the parameter estimates were in agreement...

Author(s):

Chakra B. Budhathoki; Thomas B. Lynch; James M. Guldin

Year:

2006

Keywords:

Source:

Gen. Tech. Rep. SRS-92. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 359-361

Nonparametric projections of forest and rangeland condition indicators: A technical document supporting the 2005 USDA Forest Service RPA Assessment Update

The 2005 Forest and Rangeland Condition Indicator Model is a set of classification trees for forest and rangeland condition indicators at the national scale. This report documents the development of the database and the nonparametric statistical estimation for this analytical structure, with emphasis on three special characteristics of condition indicator production...

Author(s):

John Hof; Curtis Flather; Tony Baltic; Rudy King

Year:

2006

Keywords:

Resource interactions, land management planning, classification trees, modeling, environmental outputs

Source:

Gen. Tech. Rep. RMRS-GTR-166. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 39 p.

Gypsy Moth Defoliation Potential in the Ouachita/Ozark Highlands Region

Abstract - The gypsy moth is expanding its range in North America and is likely to invade the Ouachita/ Ozark Highlands region sometime during this century. A previous analysis indicated that forests in this area are among the most susceptible in North America to defoliation by this insect. We used USDA Forest Service, Forest Inventory and Analysis...

Author(s):

Andrew M. Liebhold; Kurt W. Gottschalk; James M. Guldin; Rose-Marie Muzika

Year:

2004

Keywords:

Source:

Gen. Tech. Rep. SRS-74. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp. 267-272

Cationized milled pine bark as an adsorbent for orthophosphate anions

More efficient adsorption media are needed for removing dissolved phosphorus in surface water runoff. We studied the use of cationized pine bark as a sorbent for dissolved phosphorus in water. Cationized pine bark was prepared by treating extracted milled pine bark with polyallylamine hydrochloride (PAA HCl) and epichlorohydrin (ECH) in aqueous medium. Attachment of...

Author(s):

Mandla A. Tshabalala; K.G. Karthikeyan; D. Wang

Year:

2004

Keywords:

Adsorption, morphology, polyelectrolytes, renewable resources, surfaces

Source:

Journal of applied polymer science. Vol. 93 (2004): Pages 1577-1583

Shortleaf pine-bluestem restoration in the Ouachita National Forest

The fire-dependent shortleaf pine-bluestem ecological community, once common in the Ouachita Mountains, had all but disappeared by 1970. This absence was due to the cutting of the original forests in the early part of the 20th century followed by effective fire suppression since the late 1930s. With the adoption of Forest Plan amendments in 1994, 1996, and 2002, and a...

Author(s):

Larry D. Hedrick; George A. Bukenhofer; Warren G. Montague; William F. Pell; James M. Guldin

Year:

2007

Keywords:

Source:

In: Shortleaf pine restoration and ecology in the Ozarks: proceedings of a symposium: 206-213

Development of a shortleaf pine individual-tree growth equation using non-linear mixed modeling techniques

Nonlinear mixed-modeling methods were used to estimate parameters in an individual-tree basal area growth model for shortleaf pine (Pinus echinata Mill.). Shortleaf pine individual-tree growth data were available from over 200 permanently established 0.2-acre fixed-radius plots located in naturally-occurring even-aged shortleaf pine forests on the...

Author(s):

Chakra B. Budhathoki; Thomas B. Lynch; James M. Guldin

Year:

2010

Keywords:

Source:

In: Stanturf, John A., ed. Proceedings of the 14th biennial southern silviculture research conference; 2007 February 26-March 1; Athens, GA. Gen. Tech. Rep. SRS–121. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station: 519-520.

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Maximum likelihood estimation for predicting the probability of obtaining variable shortleaf pine regeneration densities

Evaluation of FOFEM fuel loading and consumption estimates in pine-oak forests and woodlands of the Ouachita Mountains, Arkansas, USA

Estimating The Probability Of Achieving Shortleaf Pine Regeneration At Variable Specified Levels

Estimating fuel consumption during prescribed fires in Arkansas

Protocol for monitoring standing crop in grasslands using visual obstruction

Roost sites of radio-marked Mexican spotted owls in Arizona and New Mexico: sources of variability and descriptive characteristics

Nonlinear mixed modeling of basal area growth for shortleaf pine

Creating a stage-based deterministic PVA model - the western prairie fringed orchid [Exercise 12]

Using quadratic mean diameter and relative spacing index to enhance height-diameter and crown ratio models fitted to longitudinal data

Estimating the probability of survival of individual shortleaf pine (Pinus echinata mill.) trees

Pelletized ponderosa pine bark for adsorption of toxic heavy metals from water

Estimating long-term carbon sequestration patterns in even- and uneven-aged southern pine stands

Restoring the shortleaf pine - bluestem grass ecosystem: An economic evaluation

An individual-tree dbh-total height model with random plot effects for shortleaf pine

Individual tree growth models for natural even-aged shortleaf pine

Nonparametric projections of forest and rangeland condition indicators: A technical document supporting the 2005 USDA Forest Service RPA Assessment Update

Gypsy Moth Defoliation Potential in the Ouachita/Ozark Highlands Region

Cationized milled pine bark as an adsorbent for orthophosphate anions

Shortleaf pine-bluestem restoration in the Ouachita National Forest

Development of a shortleaf pine individual-tree growth equation using non-linear mixed modeling techniques

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