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Articles 1 - 29 of 29
Full-Text Articles in Life Sciences
Project Report No. 59, Site Index Equations For Loblolly And Slash Pine Plantations In East Texas, Update: Fall 1997, Bryce Burke, Andy Burrow, Bob David, Jennifer Franke, John Hamilton, Jay Hein, Roger Hooper, Krissy Kimbro, Jeffrey Lester, Willie Newman, Doug Orms, Ann Pennell, Wiley Quarles, Joel Rudolph, Mike Sessions, Brandon White, Chris Wray
Project Report No. 59, Site Index Equations For Loblolly And Slash Pine Plantations In East Texas, Update: Fall 1997, Bryce Burke, Andy Burrow, Bob David, Jennifer Franke, John Hamilton, Jay Hein, Roger Hooper, Krissy Kimbro, Jeffrey Lester, Willie Newman, Doug Orms, Ann Pennell, Wiley Quarles, Joel Rudolph, Mike Sessions, Brandon White, Chris Wray
Informal Project Reports
Each published set of equations was developed from analyses of East Texas Pine Plantation Research Project (ETPPRP) data collected from the array of ETPPRP permanent research plots located throughout East Texas.
Project Report No. 57, Observed Growth Trends, Quadratic Mean Diameter, Loblolly And Slash Pine Plantations East Texas, J. David Lenhart, Jennifer Allen, Young-Jin Lee
Project Report No. 57, Observed Growth Trends, Quadratic Mean Diameter, Loblolly And Slash Pine Plantations East Texas, J. David Lenhart, Jennifer Allen, Young-Jin Lee
Informal Project Reports
No abstract provided.
Project Report No. 56, Observed Growth Trends, Basal Area Per Acre In Square Feet, Loblolly And Slash Pine Plantations East Texas, J. David Lenhart, Jennifer Allen, Young-Jin Lee
Project Report No. 56, Observed Growth Trends, Basal Area Per Acre In Square Feet, Loblolly And Slash Pine Plantations East Texas, J. David Lenhart, Jennifer Allen, Young-Jin Lee
Informal Project Reports
Observations fr9m the East Texas Pine Plantation Research Project were available for analysis in this study. We limdted the observations to site index classes 60. 70 and 80 feet. And age classes were set at three-year intervals.
Por each combination of site index and age class. an average observed basal area in square feet per acre was calculated.
Based on these values, HAl (mean annual increment) and CAl (current annual increment) were calculated.
The values are depicted in graphs on the next six pages.
Project Report No. 58, Observed Growth Trends, Average Total Height . . . Ten Tallest Trees, Loblolly And Slash Pine Plantations East Texas, J. David Lenhart, Jennifer Allen, Young-Jin Lee
Project Report No. 58, Observed Growth Trends, Average Total Height . . . Ten Tallest Trees, Loblolly And Slash Pine Plantations East Texas, J. David Lenhart, Jennifer Allen, Young-Jin Lee
Informal Project Reports
Observations from the East Texas Pine Plantation Research Project were available for analysis in this study. We limdted the observations to site index classes 60, 70 and 80 feet. And age classes were set at three-year intervals.
For each combination of site index and age class, an average observed total height of the ten tallest trees was calculated.
Based on these values, MAl (mean annual increment) and CAI (current annual increment) were calculated.
The values are depicted in graphs on the next six pages.
Project Report No. 54, Assessment Of Early Estimation Of Site Index, Loblolly Pine Plantations East Texas, J. David Lenhart, Jennifer Allen
Project Report No. 54, Assessment Of Early Estimation Of Site Index, Loblolly Pine Plantations East Texas, J. David Lenhart, Jennifer Allen
Informal Project Reports
Observations from the Bast Texas Pine Plantation Research Project were available for analysis in this study.
In particular, observations are available that track the development of loblolly pine plantation parameters, such as age and height during 14, 15 and 16 year periods of time.
Fortunately. many of the tracks begin with initial measurements in plantations that were less than 5 years old.
These particular data were analyzed in this study. The results are depicted on the next 6 pages.
Sfa Gardens Newsletter, May 1997, Sfa Gardens, Stephen F. Austin State University
Sfa Gardens Newsletter, May 1997, Sfa Gardens, Stephen F. Austin State University
SFA Gardens Newsletters
No abstract provided.
Project Report No. 53, Slash Pine Plantations In East Texas, Comparison Of Two Harvest Schedules . . ., J. David Lenhart, Jennifer Allen
Project Report No. 53, Slash Pine Plantations In East Texas, Comparison Of Two Harvest Schedules . . ., J. David Lenhart, Jennifer Allen
Informal Project Reports
Pine report discussing and treating various topics within the discipline.
Project Report No. 51, Slash Pine Plantations In East Texas, Thinned And Unthinned - Total Wood Flow Comparison, A Simulation, J. David Lenhart, Jennifer Allen
Project Report No. 51, Slash Pine Plantations In East Texas, Thinned And Unthinned - Total Wood Flow Comparison, A Simulation, J. David Lenhart, Jennifer Allen
Informal Project Reports
Report of a simulation model for the timing of thinning plantation management schedules.
Project Report No. 52, Location, Loblolly Pine, J. David Lenhart, Jennifer Allen
Project Report No. 52, Location, Loblolly Pine, J. David Lenhart, Jennifer Allen
Informal Project Reports
Discussion of location in respect to the Loblolly Pine.
Development Of A Predictive Habitat Evaluation Model For Gaillardia Aestivalis (Walt.) Rock. Var. Winkleri (Cory) Turner Using Gps, Remote Sensing And Gis Techniques, Dasyam Samuel Rajasekhar
Development Of A Predictive Habitat Evaluation Model For Gaillardia Aestivalis (Walt.) Rock. Var. Winkleri (Cory) Turner Using Gps, Remote Sensing And Gis Techniques, Dasyam Samuel Rajasekhar
Electronic Theses and Dissertations
Geographic Information Systems (GIS), Global Positioning Systems (GPS) and remote sensing techniques were utilized to characterize and subsequently predict potential habitat of Gaillardia aestivalis var. Winkleri, occurring in Hardin County, TX. Field investigations along with CIR positive aerial photographs were used to study local distribution and ecological requirements (soil, site, plant associations) of the plant. Data were obtained from paper maps, aerial photographs and a Landsat TM image. Sites occupied by G. aestivalis var. Winkleri were characterized as having highly acidic soils with poor nutrient content, good drainage and rapid permeability. Along with soil types, vegetation also is an important …
Camptotheca Lowreyana, A New Species Of Anti-Cancer Happytrees, Shiyou Li
Camptotheca Lowreyana, A New Species Of Anti-Cancer Happytrees, Shiyou Li
NCPC Publications and Patents
Camptotheca Decaisne (happytrees or Xi Shu, Nyssaceae) is a .monotypic genus endemic to China. Its single species C. acuminata Decaisne ( 1873) has been the major source of Camptothecins, the promising anti - cancer and potential anti - viral drugs (Li and Adair 1994) .
The phenotypic analysis of the genus showed that (1) C. yunnanensis Dode (1908) should be treated as a species separated from C. acuminata (see Li, n. d.) and (2) a new species as the third species of the genus should be established. The present paper describes the new species as C. lowreyana. C. lowreyana has …
The Economics Of Hardwood Management In The United States: 1950-1995, An Annotated Bibliography, Steven J. Goodson, Steven H. Bullard
The Economics Of Hardwood Management In The United States: 1950-1995, An Annotated Bibliography, Steven J. Goodson, Steven H. Bullard
Faculty Publications
This bibliography includes journal articles, published reports, conference proceedings articles, and academic theses and dissertations dated between 1950 and 1995 that concern economic aspects of managing hardwood tree species for timber production in the United States. The articles and reports were identified through keyword searches of computer databases available through the Mississippi State University computer system. Keywords used included individual species names as well as economic terms such as costs, returns, investment, and profit. The specific databases included the 1) USDA Agricultural Library - AGRICOLA CD-ROMs, 2) Colorado Alliance of Research Libraries System, 3) EBSCO Dissertation Abstracts, and 4) the …
Economic Impact Of The Forest Products Industries In Mississippi, Ian A. Munn, Steven H. Bullard
Economic Impact Of The Forest Products Industries In Mississippi, Ian A. Munn, Steven H. Bullard
Faculty Publications
The forest products industry in Mississippi has four main sectors:
• Timber harvesting,
• Pulp and paper industries,
• Solid wood products industries, and
• Wood furniture manufacturing.
Each of these sectors is important to the state's economy, but how important are they? To address this question, in this article we present estimates of the number of employees, wages and salaries, total output value, and value added for each industry sector and for the total of all four sectors in Mississippi in 1993- the last year for which all the data are available.
Manufacturing Upholstered Furniture In The Southeastern U.S.: A Comparative Cost Assessment, Joshua O. Idassi, Steven H. Bullard
Manufacturing Upholstered Furniture In The Southeastern U.S.: A Comparative Cost Assessment, Joshua O. Idassi, Steven H. Bullard
Faculty Publications
The upholstered household furniture industry (SIC 25 12) is extremely important in the economies of Alabama, Mississippi, North Carolina, and Tennessee. This study uses a comparative cost approach to assess the differences that exist in the manufacturing and distribution of upholstered wood household furniture among southeast U.S. states. Secondary data for raw material, labor, and transportation costs were obtained from the U.S. Department of Commerce, Bureau of the Census, for 1982, 1987, and 1992. Total costs were estimated for raw material, labor, and transportation of the finished products. A simple cost index was constructed for each cost component. Analysis of …
Solid Wood Products Industries - How Important Are They In Mississippi?, Ian A. Munn, Steven H. Bullard
Solid Wood Products Industries - How Important Are They In Mississippi?, Ian A. Munn, Steven H. Bullard
Faculty Publications
What are the "solid wood products" industries and how important are they in Mississippi? First, consider the list of solid wood industries that are present in Mississippi- it includes sawmills, plywood mills, reconstituted product mills, wood preserving plants, and firms manufacturing hardwood dimension stock and flooring, millwork, wood containers, wood pallets and skids, and prefabricated wood buildings.
Pulp And Paper Industries - Multibillion Dollar Contributors To Mississippi’S Economy, Ian A. Munn, Steven H. Bullard
Pulp And Paper Industries - Multibillion Dollar Contributors To Mississippi’S Economy, Ian A. Munn, Steven H. Bullard
Faculty Publications
Pulp and paper industries are multi-billion dollar contributors to Mississippi's economy each year. Pulp and paper manufacturers employ over 9,000 people in the state, and these jobs pay nearly $44,000 per year on average. They're among the highest paying jobs of any industry in Mississippi. According to the latest "Survey of Manufacturers" by the U.S. Department of Commerce, Bureau of the Census, pulp and paper industries accounted for 4% of manufacturing employment in Mississippi in 1994, but 6% of manufacturing payroll.
Logging - One Of Mississippi’S Most Important Industries, Ian A. Munn, Steven H. Bullard
Logging - One Of Mississippi’S Most Important Industries, Ian A. Munn, Steven H. Bullard
Faculty Publications
Logging is extremely important to Mississippi's economy for two reasons. First, the industry is essential in providing wood-based raw materials necessary for many thousands of jobs throughout the state. The industry is the ·:first link in a manufacturing chain that reaches through the state and touches the pulp and paper industry, the sawmill industry. the furniture industry, the building/construction industry. and many others. " The industry is also important because of the economic contributions it makes through its own employment and income created. In 1993, the industry contributed an estimated $1.-1-5 billion to Mississippi's economy. and over 11 thousand jobs …
Estimating Crown Height For Unthinned Planted Pines In East Texas, Young Jin Lee, J. David Lenhart
Estimating Crown Height For Unthinned Planted Pines In East Texas, Young Jin Lee, J. David Lenhart
Faculty Publications
Stand-level models were derived to predict crown height or the distance from ground to the first live branch of unthinned planted loblolly (Pinus taeda L.) and slash (Pinus elliottii Eng elm.) pine trees in East Texas. Average height of the tallest trees was the principal predictor in the models. In addition, the influence of number of planted trees per acre, nonplanted basal area and fusiform rust (Cronartium quercuum [Berk.] Miyabe ex Shirai f.sp. fusiforme ) was considered. The models quantify the plantation ages when the butt log and successive lower stem logs are clear of live branches. This information may …
Stand Conditions And Tree Characteristics Affect Quality Of Longleaf Pine For Red-Cockaded Woodpecker Cavity Trees, W. G. Ross, David Kulhavy, Richard N. Conner
Stand Conditions And Tree Characteristics Affect Quality Of Longleaf Pine For Red-Cockaded Woodpecker Cavity Trees, W. G. Ross, David Kulhavy, Richard N. Conner
Faculty Publications
We measured resin flow of longleaf (Pirzus palustris Mill.) pines in red-cockaded woodpecker (Picoides borealis Vieillot) clusters in the Angelina National Forest in Texas, and the Apalachicola National Forest in Florida. Sample trees were categorized as active cavity trees, inactive cavity trees and control trees. Sample trees were further categorized by stand position as either edge or interior trees. Longleaf cavity trees in Texas and Florida had similar resin flow characteristics. Active cavity trees on forest edges had the highest resin flow, whereas active cavity trees in forest interiors had the lowest. Trees experiencing both low and high levels of …
Use Of Landsat Thematic Mapper Thermal Infrared Data To Map Relative Temperature Zones Within The University Of Idaho Experimental Forest, Daniel Unger, J.J. Ulliman
Use Of Landsat Thematic Mapper Thermal Infrared Data To Map Relative Temperature Zones Within The University Of Idaho Experimental Forest, Daniel Unger, J.J. Ulliman
Faculty Publications
Relative forest ecosystem temperature zones, delineated using a single Landsat Thematic Mapper thermal infrared image, were found to be robust over time. Linear correlation coefficients between Landsat Thematic Mapper thermal infrared data acquired on July 8, 1990 and the mean maximum daily forest ecosystem ambient air temperature recorded for sixteen systematically selected dates during June and July, 1994 were significant at the one percent level for all sixteen dates tested and ranged from 0.81 to 0.94.
The Red-Cockaded Woodpecker's Role In The Southern Pine Ecosystem, Population Trends And Relationships With Southern Pine Beetles, Richard N. Conner, D. Craig Rudolph, Daniel Saenz, Robert N. Coulson
The Red-Cockaded Woodpecker's Role In The Southern Pine Ecosystem, Population Trends And Relationships With Southern Pine Beetles, Richard N. Conner, D. Craig Rudolph, Daniel Saenz, Robert N. Coulson
Faculty Publications
This study reviews the overall ecological role of the Red-cockaded Woodpecker (Picoides borealis)in the southern pine ecosystem. It is the only North American woodpecker species to become well adapted to a landscape that was relatively devoid of the substrate typically used by woodpeckers for cavity excavation (i.e. snags and decayed, living hardwoods). Its adaptation to use living pines for cavity excavation has expanded the use of this fire-disclimax ecosystem for numerous other cavity-using species. As such, the Red-cockaded Woodpecker represents an important keystone species of fire-disclimax pine ecosystems of the South. Historically, populations of this woodpecker and other cavity dependent …
Species Using Red-Cockaded Woodpecker Cavities In Eastern Texas, Richard N. Conner, D. Craig Rudolph, Daniel Saenz, Richard R. Schaefer
Species Using Red-Cockaded Woodpecker Cavities In Eastern Texas, Richard N. Conner, D. Craig Rudolph, Daniel Saenz, Richard R. Schaefer
Faculty Publications
Because of its ability to excavate cavities in living pines, the Red-cockaded Woodpecker (Picoides borealis) is a keystone species in the fire-disclimax, pine ecosystems of the southeastern United States. Many species representing multiple taxonomic classes are dependent on this woodpecker species for the cavities it creates. We examined the occupants of Red-cockaded Woodpecker cavities during spring, late summer, and winter. Cavities enlarged by other species of woodpeckers and unenlarged cavities were examined in two habitat conditions: loblolly (Pinus taeda) -shortleaf (P. echinata) pine and longleaf pine (P. palustris) habitats. Red-cockaded Woodpecker cavities provided cavity habitat for seven species of birds, …
Species Pools Of Seed Plants In Eastern Asia And North America, Shiyou Li, Kent T. Adair
Species Pools Of Seed Plants In Eastern Asia And North America, Shiyou Li, Kent T. Adair
eBooks
"In their monograph, Species Pools of seed plants in Eastern Asia and North America, Drs. Li and Adair present a comprehensive analysis of data collected during a ten-year study involving 10,000 plant species in east Asia and North America."
To Borrow Or Not To Borrow? The Financial Attractiveness Of Borrowing Funds To Apply Herbicides For Hardwood Control In Establishing Loblolly Pine Stands On Cutover Sites In The South, Steven H. Bullard, R. Honea
To Borrow Or Not To Borrow? The Financial Attractiveness Of Borrowing Funds To Apply Herbicides For Hardwood Control In Establishing Loblolly Pine Stands On Cutover Sites In The South, Steven H. Bullard, R. Honea
Faculty Publications
No abstract provided.
Pulpwood Vs. Sawtimber: A “Quick And Dirty” Economic Analysis Of Hardwood Timber Management, Andy Ezell, Steven H. Bullard
Pulpwood Vs. Sawtimber: A “Quick And Dirty” Economic Analysis Of Hardwood Timber Management, Andy Ezell, Steven H. Bullard
Faculty Publications
A major decision in hardwood forest management is the type of final products to produce. Until recently, the only options in many areas of the South for hardwoods were sawtimber products-crossties, dimension lumber, and veneer, for example. In the past ten years, however, hardwood markets have changed dramatically. Across much of the South, hardwood pulpwood is now in very high demand.
Eyespray Vaccination: Infectivity And Development Of Immunity To Eimeria Acervulina And Eimeria Tenella, H. David Chapman, Tim E. Cherry
Eyespray Vaccination: Infectivity And Development Of Immunity To Eimeria Acervulina And Eimeria Tenella, H. David Chapman, Tim E. Cherry
Faculty Publications
The infectivity of a coccidiosis vaccine and its ability to immunize chickens against two species of Eimeria was examined. The vaccine was administered to newly-hatched chicks by spraying directly onto the eye. The method resulted in a high proportion of chicks infected with E. acervulina and E. tenella. Vaccinated birds reared in cages in the absence of reinfection did not develop immunity to either species by 4 wk of age, but birds reared in floor pens developed immunity to both E. acervulina and E. tenella.
Conidial Germination And Infection By Diplocarpon Rosae On Susceptible And Resistant Rose Species, Robert J. Wiggers, J. G. West, Josephine Taylor
Conidial Germination And Infection By Diplocarpon Rosae On Susceptible And Resistant Rose Species, Robert J. Wiggers, J. G. West, Josephine Taylor
Faculty Publications
Conidial germination and infection by Dipplocarpon rosae, the causal organism of rose blackspot, were examined on two resistant species of roses, Rosa roxburghii and R. wichuraiana and two susceptible hybrid tea roses (R. hybrid cv. Chicago Peace and Garden Party). Fungal conidia germinated and gave rise to subcuticular mycelium that formed haustoria within epidermal cells of all four roses tested. On the resistant rose species, epidermal cells associated with the infection site became necrotic, indicating that a hypersensitive response is involved in conferring their resistance D. rosae.
Responses To Prey Odors In Juveniles Of The Snake Elaphe Obsoleta Spiloides, A Predatory Generalist [Abstract], Stephen J. Mullin, William H. N. Gutzke
Responses To Prey Odors In Juveniles Of The Snake Elaphe Obsoleta Spiloides, A Predatory Generalist [Abstract], Stephen J. Mullin, William H. N. Gutzke
Faculty Publications
No abstract provided.
Sodium Nitrite Alone Protects The Brain O _I_ Microsomal Ca -Atpase Against Potassium Cyanide-Induced Neurotoxicity In Rats, Odutayo O. Odunuge, G.. A. Adenuga
Sodium Nitrite Alone Protects The Brain O _I_ Microsomal Ca -Atpase Against Potassium Cyanide-Induced Neurotoxicity In Rats, Odutayo O. Odunuge, G.. A. Adenuga
Faculty Publications
The effect of a short-term oral administration of potassium cyanide (KCN) (200 ppm in diet) with or without sodium nitrite (NaNO2) pretreatment on rat brain microsomal Ca2* ATPase was investigated. The specific activity value of the enzyme significantly decreased (p<0.05) by 50% compared with control and by 63% for KCN-treated rats compared with KCN-treated rats pretreated with NaNO;,. There was no significant difference at the h = 0.05 level between the values obtained for the control and KCN-treated rats pretreated with NaNO,. These results show both that feeding lowers brain microsomal Ca2f-ATPase activity and that NaNO, has a protective role (antidote function) in that respect.