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Social and Behavioral Sciences Commons™
Open Access. Powered by Scholars. Published by Universities.®
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- Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298 (7)
- Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences (5)
- Great Plains Research: A Journal of Natural and Social Sciences (4)
- INTSORMIL Scientific Publications (3)
- United States National Park Service: Publications (3)
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- Fathi Habashi (2)
- Brett C. Ratcliffe (1)
- CGU Theses & Dissertations (1)
- David A Bainbridge (1)
- Department of Agronomy and Horticulture: Faculty Publications (1)
- Graduate Theses and Dissertations (1)
- Law Faculty Scholarship (1)
- Masters Theses (1)
- Plant and Soil Sciences Research Tools (1)
- Research Reports and Research Bulletins (1)
- Senior Honors Projects (1)
- Terence Hays (1)
- The Prairie Naturalist (1)
- UNLV Theses, Dissertations, Professional Papers, and Capstones (1)
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Articles 1 - 30 of 38
Full-Text Articles in Social and Behavioral Sciences
Plant Community Composition And Structure Monitoring For Scotts Bluff National Monument, 2012 Annual Report, Isabel W. Ashton, Michael Prowatzke, Stephen K. Wilson
Plant Community Composition And Structure Monitoring For Scotts Bluff National Monument, 2012 Annual Report, Isabel W. Ashton, Michael Prowatzke, Stephen K. Wilson
United States National Park Service: Publications
Executive Summary
the last remnants of native mixed-grass prairie in the region. The Northern Great Plains Inventory & Monitoring Network (NGPN) surveyed 8 long-term monitoring plots in Scotts Bluff National Monument in 2012 as part of an effort to better understand the condition of plant communities in the park. We measured plant diversity and cover, estimated tree and shrub density, looked for the presence of exotic species that are of concern to park management, and evaluated the amount of human and natural disturbance at all plots. This effort was the second year in a multiple-year venture to document the current …
Updated Manuscript Submission Guidelines For The Prairie Naturalist, Christopher N. Jacques, Troy W. Grovenburg, Jonathan A. Jenks
Updated Manuscript Submission Guidelines For The Prairie Naturalist, Christopher N. Jacques, Troy W. Grovenburg, Jonathan A. Jenks
The Prairie Naturalist
These guidelines present updated policies and procedures for submitting scientific manuscripts for consideration for publication in The Prairie Naturalist (PNAT). These guidelines incorporate substantial changes that have occurred following a change in Editorial staff during January 2009, and update the online “Suggestions for Contributors” guidelines provided on the PNAT website (http://www.sdstate.edu/nrm/organizations/gpnss/tpn/index.cfm); these instructions supersede all previous guidelines.
Tables and appendices are included for common word expressions with superfluous wording (Table 1), examples of correct format and style guidelines for tables accompanying manuscripts (Table 2, Appendix A), guidance in properly preparing Research notes (Appendix B) and citing literature (Appendix …
Some Cultivated Plants In Ndumba, Eastern Highlands Province, Terence E. Hays
Some Cultivated Plants In Ndumba, Eastern Highlands Province, Terence E. Hays
Terence Hays
This paper reports on the cultivation and uses of 47 species of minor food crops and other useful plants in Habi'ina village, a Tairora speaking community in the Eastern Highlands Province of Papua New Guinea.
Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2010, Katherine Mcgraw, Jennie Popp, Wayne Miller
Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2010, Katherine Mcgraw, Jennie Popp, Wayne Miller
Research Reports and Research Bulletins
This report is the seventh in a series of reports examining agriculture’s economic contribution on the Arkansas economy. Utilizing data from the United States Bureau of Economic Analysis (BEA), USDA Economic Research Service (ERS), USDA National Agricultural Statistics Service (NASS), and Minnesota IMPLAN Group, Inc. (MIG), the economic contribution of agriculture on the Arkansas economy was estimated for the most recent year available, 2010. Gross Domestic Product (GDP) by State information for Arkansas in 2010 was compared with those of other states in the Southeast U.S. to give a measure of the relative importance of agriculture in Arkansas.2 The total …
Review Of The Midwestern Native Garden: Native Alternatives To Nonnative Flowers And Plants, An Illustrated Guide. By Charlotte Adelman And Bernard L. Schwartz., Stephen L. Young
Review Of The Midwestern Native Garden: Native Alternatives To Nonnative Flowers And Plants, An Illustrated Guide. By Charlotte Adelman And Bernard L. Schwartz., Stephen L. Young
Great Plains Research: A Journal of Natural and Social Sciences
Native plants are important for maintaining biodiversity and supporting birds, mammals, and insects in a particular region. The interaction of plants with other organisms is what makes up food webs, and a shift in one will result in change in the other, change that is often detrimental to both. Invasive plant species, which include many nonnative types, can alter ecosystems with lasting effects on hydrology, nutrient cycling, and habitat. Similar to other regions, the Central Plains is increasingly threatened by the establishment of invasive plant species. The reintroduction of native plant species not only in large natural areas, but also …
Monitoring Standing Herbage Of The Sands And Choppy Sands Ecological Vegetation Types In The Nebraska Sandhills, Daniel W. Uresk
Monitoring Standing Herbage Of The Sands And Choppy Sands Ecological Vegetation Types In The Nebraska Sandhills, Daniel W. Uresk
Great Plains Research: A Journal of Natural and Social Sciences
A modified Robel pole with white and gray alternating bands (2.54 cm) was used to measure vegetation on sands and choppy sands ecological types in the Sandhills of Nebraska. Objectives were to determine the relationship between visual obstruction readings (VOR) and clipped standing herbage, develop guidelines for monitoring standing herbage, and provide sample size estimates. Visual obstruction measurements of standing herbage were linear, and regression coefficients were significant (P< 0.001) for 125 transects (R2 = 0.60, SE = 496 kg/ha). Clipped standing herbage ranged from 293 to 4389 kg/ha with a mean of 1,559 kg/ha. A minimum of four transects (20 stations/transect with four …
Initial Changes In Species Cover Following Savanna Restoration Treatments In Western Iowa, David A. Mckenzie, Thomas B. Bragg, David M. Sutherland
Initial Changes In Species Cover Following Savanna Restoration Treatments In Western Iowa, David A. Mckenzie, Thomas B. Bragg, David M. Sutherland
Great Plains Research: A Journal of Natural and Social Sciences
Study areas in the Iowa Loess Hills were used to evaluate short-term responses of understory species to three treatment methods designed to facilitate restoration of Quercus macrocarpa savanna. Treatments included burning alone, burning with thinning, and burning with clear-cutting. Plant abundance and diversity were compared before treatment and one year after treatment. Ninety-nine plant species were identified during the study, of which 40 were new following treatment, although most of these were forest associates. Increases in diversity of understory species were observed after treatment, particularly in plots with combined burning and thinning. The forb group was most consistent in response …
The Evolution Of Natural Plant Communities Through Crop Migration And Crop-To-Weed Gene Flow, Meredith G. Schafer
The Evolution Of Natural Plant Communities Through Crop Migration And Crop-To-Weed Gene Flow, Meredith G. Schafer
Graduate Theses and Dissertations
With the rising demand for food and biofuels, the efficiency of crop production has become vital to assuring food security. Genetically engineered (GE) crop varieties are broadly thought to be a solution for improving the efficiency of crop production, but concerns regarding their release have heightened as more discoveries have focused on the influence of genetically engineered crops on native and weedy plant species. Risk assessment of GE crop varieties focuses on two main areas: feralization of crop systems and crop-weed hybridization. Risks include naturalization, transgene introgression, and the formation of novel genotypes in natural systems. In this study, roadside …
An Exploration Into Project Management: A Grassroots Experience In A Developing Nation, Brittany L. O'Brien
An Exploration Into Project Management: A Grassroots Experience In A Developing Nation, Brittany L. O'Brien
Senior Honors Projects
As a senior at the University of Rhode Island, it has been my experience that the knowledge that has been most successfully retained within my mind has been that which I gained through active learning. As an international development minor I have taken many courses on how developmental aid is provided around the world, and throughout these courses I have learned that the drive for creating those endeavors came from an understanding of need. In order to best complete my education on international development I created a sustainable developmental aid project which provided education for specific needs in Malawi, Africa. …
Chenopodium Berlandieri And The Cultural Origins Of Agriculture In The Eastern Woodlands, Daniel Shelton Robinson
Chenopodium Berlandieri And The Cultural Origins Of Agriculture In The Eastern Woodlands, Daniel Shelton Robinson
Masters Theses
The development of agriculture in the New World has been a topic of prominent historic interest, but one that has ignored some regions in favor of others. The woodlands of Eastern North America have felt this bias in the investigation of agricultural origins, but this has not prevented the development of theories to explain the emergence of a complex of indigenous agricultural plants in the region. Data collection and technological advances have in large part validated these theories, creating a model for domestication. By emphasizing farming over other cultural practices, however, these theories lack explanatory power with regards to the …
Use Of Cti Grinders For Sorghum Flour Production And Utilization: Final Report, Vilma Ruth Calderón De Zacatares, Lily Marisol López, Kris Emillee Duville, Carla Elizabeth Bermúdez
Use Of Cti Grinders For Sorghum Flour Production And Utilization: Final Report, Vilma Ruth Calderón De Zacatares, Lily Marisol López, Kris Emillee Duville, Carla Elizabeth Bermúdez
INTSORMIL Scientific Publications
The use of sorghum for human consumption to add value to the crop and increase its profitability, especially for small and medium producers, has contributed to food security and nutrition in El Salvador. CENTA is promoting the cultivation of sorghum as an alternative to food production in rural and urban areas. Since 2010 when wheat prices lower again, sorghum was no more an alternative to replace wheat in certain types of food, but is being used in more stable markets, as people allergic to gluten, people with diabetes and to correct nutritional deficiencies such as iron deficiency anemia because of …
Sorghum Flour Production Manual For Compatible Technology International (Cti) Burr Grinders, Kris Emillee Duville
Sorghum Flour Production Manual For Compatible Technology International (Cti) Burr Grinders, Kris Emillee Duville
INTSORMIL Scientific Publications
The importance of sorghum in human nutrition and food security
The grinders of Compatible Technology International (CTI) were brought to El Salvador in 2009, for a project of CENTA-INTSORMIL/USAID to promote the grinding of sorghum for human nutrition. In 2011, ten of these grinders had been installed in small bakers associations, individual bakers, or persons producing ethnic drinks based on roasted and ground cereals. These people had been trained in sorghum use for human nutrition at the food technology laboratory of CENTA. The grinders are being used in areas were the access to other foods is limited and were sorghum …
Adaptation Of Annual Forage Legumes In The Southern Great Plains, John A. Guretzky, Twain J. Butler, Jim P. Muir
Adaptation Of Annual Forage Legumes In The Southern Great Plains, John A. Guretzky, Twain J. Butler, Jim P. Muir
Great Plains Research: A Journal of Natural and Social Sciences
Our objective was to evaluate adaptation and compatibility of cool-season annual legumes overseeded into perennial grasses in the southern Great Plains. Freeze damage, vigor, and standing crop of 14 annual legume species were evaluated during spring at three locations in Oklahoma and Texas from 2006 to 2008. Across locations and years, standing crop of hairy vetch (Vicia villosa Roth) and Austrian winter pea (Pisum sativum L. ssp. arvense (L.) Poir.] averaged 3,513 and 3,210 kg dry matter (DM) ha-1, respectively. Standing crop of crimson clover (Trifolium incarnatum L.) and arrowleaf clover (T. vesiculosum Savi) averaged …
Community Gardening: Benefits Focused Strategies, Joseph Zaanan Tellschow
Community Gardening: Benefits Focused Strategies, Joseph Zaanan Tellschow
UNLV Theses, Dissertations, Professional Papers, and Capstones
Throughout history humans have had varying degrees of interaction with nature and natural environments. This interaction has shaped our species in almost every way possible from our physical traits to our behaviors and places we have chosen to occupy. Currently, humans have developed such overwhelming mastery of the planet that it is easy for many humans to feel disconnected from nature. This separation could have detrimental effects on various aspects of human well-being including physical and mental health. To understand these effects, it is important to evaluate the benefits that humans receive from exposure to nature and interaction with natural …
Engineer Cantonment, Missouri Territory, 1819-1820: America's First Biodiversity Ineventory, Hugh H. Genoways, Brett C. Ratcliffe
Engineer Cantonment, Missouri Territory, 1819-1820: America's First Biodiversity Ineventory, Hugh H. Genoways, Brett C. Ratcliffe
Brett C. Ratcliffe
It is our thesis that members of the Stephen Long Expedition of 1819-20 completed the first biodiversity inventory undertaken in the United States at their winter quarters, Engineer Cantonment, Missouri Territory, in the modern state of Nebraska. This accomplishment has been overlooked both by biologists and historians, but it should rank among the most significant accomplishments of the expedition. The results of this inventory allow us to evaluate the environmental, faunal, and floral changes along the Missouri River in the intervening nearly 190 years. The historical records form a visual image of a dynamic riverine system in which a highly …
Scotts Bluff National Monument, Plant Community Resource Brief, Isabel Ashton, Mike Prowatzke
Scotts Bluff National Monument, Plant Community Resource Brief, Isabel Ashton, Mike Prowatzke
United States National Park Service: Publications
2011 Monitoring Status
Overview
In 2011, the first year of vegetation monitoring by the Northern Great Plains Network Inventory and Monitoring staff at Scotts Bluff National Monument, efforts resulted in the documentation of 79 plant species. This was the lowest number of species among parks sampled in 2011. Graminoid (grass and grass-like plant) species accounted for only 21 (27%) of the total species, but graminoid cover was much higher than that of any other plant type. Forbs were much more diverse, but did not provide as much foliar cover.
The 5 most abundant native non-graminoids were winterfat (Krascheninnikovia lanata …
Plant Community Composition And Structure Monitoring Protocol For The Northern Great Plains I&M Network - Standard Operating Procedures, Version 1.01, Amy J. Symstad, Robert A. Gitzen, Cody L. Wienk, Michael R. Bynum, Daniel J. Swanson, Andy D. Thorstenson, Kara J. Paintner-Green
Plant Community Composition And Structure Monitoring Protocol For The Northern Great Plains I&M Network - Standard Operating Procedures, Version 1.01, Amy J. Symstad, Robert A. Gitzen, Cody L. Wienk, Michael R. Bynum, Daniel J. Swanson, Andy D. Thorstenson, Kara J. Paintner-Green
United States National Park Service: Publications
Introduction
The Northern Great Plains Inventory and Monitoring Network (NGPN) includes thirteen park units located in five northern Great Plains states across six ecoregions. Plant community composition and structure monitoring comprises the core of the vegetation monitoring effort for the NGPN, covering the “Riparian Lowland Plant Communities” and “Upland Plant Communities” vital signs (Gitzen et al. 2010). The narrative portion of the plant community protocol can be found in Symstad et al. 2012. The narrative includes the rationale for vegetation monitoring, an overview of sample design, field methods, data management, and program requirements. This document contains the standard operating procedures …
Agbufferbuilder: A Filter Strip Design Tool For Gis, Surendran Neelakantan, Tom Mueller, Michael G. Dosskey, Todd Kellerman, Eduardo Abel Rienzi
Agbufferbuilder: A Filter Strip Design Tool For Gis, Surendran Neelakantan, Tom Mueller, Michael G. Dosskey, Todd Kellerman, Eduardo Abel Rienzi
Plant and Soil Sciences Research Tools
AgBufferBuilder is a GIS-based computer program for designing vegetative filter strips around agricultural fields that utilizes terrain analysis to account for spatially non-uniform runoff (Figure 1). The core model is derived from the process-based Vegetative Filter Strip Modeling System (VFSMOD-W). A detailed description of the core model and its development is provided in Dosskey et al. (2011). The GIS program runs with ArcGIS (ESRI, Redlands, CA).
Invertebrate Abundances And Diversity Of A Six Year Old Organic Apple Orchard In Northwest Arkansas, Cory Johnson, Brina Smith, Mary C. Savin
Invertebrate Abundances And Diversity Of A Six Year Old Organic Apple Orchard In Northwest Arkansas, Cory Johnson, Brina Smith, Mary C. Savin
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Ground cover mulch applications in perennial systems can have multiple benefits, one of which may be to enhance the size and diversity of the ground surface faunal community. To determine if ground cover and organic fertilizer applications altered invertebrate communities, litters in an experimental 0.4-ha organic apple orchard in Fayetteville, Ark. were sampled during a four week period beginning in February 2012. The orchard was planted in 2006 in a replicated 4 × 3 factorial design with organic ground cover and fertilizer treatments applied annually each April. Invertebrates were extracted using Berlese funnels and hand sorting techniques. Ground covers (wood …
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Biochemical Research On Mongolian Lichens, Bryophytes And Vascular Plants – In Memoriam, Dr. Siegfried Huneck (1928–2011), Hans D. Knapp
Biochemical Research On Mongolian Lichens, Bryophytes And Vascular Plants – In Memoriam, Dr. Siegfried Huneck (1928–2011), Hans D. Knapp
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Dr. Siegfried Huneck, biochemist and lichenologist from the Institute for Biochemistry of Plants in Halle/Saale, died on September 9, 2011. He was a world wide leading expert on lichen substances. An obituary with curriculum vitae and a complete list of publications was published by Stordeur et al. (2011)
Osnabrück Botanical Expeditions To Mongolia, Barbara Neuffer, Nikolai Friesen, Batlai Oyuntsetseg, Tseden Jamsran, Herbert Hurka
Osnabrück Botanical Expeditions To Mongolia, Barbara Neuffer, Nikolai Friesen, Batlai Oyuntsetseg, Tseden Jamsran, Herbert Hurka
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Three botanical expeditions to Mongolia have been undertaken by the Botany Department of the University of Osnabrück in cooperation with the Botany Department of the National Mongolian University of Ulaanbaatar. The first expedition in 2000 took us to the Mongolian Altay, the second in 2001 to the Gobi and Gobi Altay, and the third in 2010 to East Mongolia including the Khingan Mts. (Numrug). In 2000, we were the first botanists being allowed to enter the border area between China and Russia in the Mongolian Altay since a long time, because this had been a prohibited area for decades. We …
Diploid Allium Ramosum From East Mongolia: A Missing Link For The Origin Of The Crop Species A. Tuberosum?, Batlai Oyuntsetseg, Frank R. Blattner, Nikolai Friesen
Diploid Allium Ramosum From East Mongolia: A Missing Link For The Origin Of The Crop Species A. Tuberosum?, Batlai Oyuntsetseg, Frank R. Blattner, Nikolai Friesen
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
In eastern Mongolia, a diploid close relative of the tetraploid (4x) crop species Allium tuberosum and its closest wild relative A. ramosum (4x) was found and characterized by karyotype analysis and with molecular marker techniques. An earlier analyses revealed A. ramosum to be sister of the crop but excluded it as its progenitor. At that time a putative diploid cytotype of A. ramosum was hypothesized as a potential progenitor taxon of the tetraploids. New phylogenetic analyses of chloroplast and nuclear DNA sequences including the recently found cytotype (A. aff. tuberosum) together with A. tuberosum and A. ramosum accessions …
On The Importance Of Pollen Morphology In Classification Of Chenopodiaceae In Mongolia, Gaadan Punsalpaamuu, Frank Schluetz, Tserendorj Gegeensuvd, Davaadorj Saindovdon
On The Importance Of Pollen Morphology In Classification Of Chenopodiaceae In Mongolia, Gaadan Punsalpaamuu, Frank Schluetz, Tserendorj Gegeensuvd, Davaadorj Saindovdon
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
The pollen morphology of 18 species from 12 genera of Chenopodiaceae native to Mongolia was studied. Plants were collected during field courses and research projects on useful plants and are deposited in the Herbarium of the Mongolian State University of Education. Chemical preparation was carried out in the Palynological Laboratories at the School of Natural Sciences of the Mongolian State University of Education and the Department of Palynology and Climate Dynamics of the University of Göttingen in Germany. The results show, that all investigated species are distinguishable in terms of pollen morphology bases on their pollen grain sizes, exine thickness …
Comparative Study Of Constituents Of Essential Oils Of Ocimum Basilicum L. Cultivated In The Mongolian Gobi, Shataryn Altantsetseg, Sandui Shatar, N. Javzmaa
Comparative Study Of Constituents Of Essential Oils Of Ocimum Basilicum L. Cultivated In The Mongolian Gobi, Shataryn Altantsetseg, Sandui Shatar, N. Javzmaa
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
The essential oils of the herb Ocimum basilicum L., cultivated in the Mongolian Gobi, have been examined. Oils were isolated by hydro-distillation and analyzed by GC-MS. The principle components of Common Basil were methyl chavicol (52.1 %), linalool (23.9 %). In the oils of the different varieties of Basil were the following compounds found: Sweet Basil: linalool (24.5–27.4 %), methyl chavicol (19.8–20.0 %), bergamotene (10.0 %), 1.8-cineole (8.5 %); Purple Basil: linalool (52.8 %), 1.8-cineole (8.7 %); Cinnamon Basil: methyl chavicol (60.4 %), 1.8-cine-ole (6.3 %), linalool (3.3 %) and cadinol (3.2 %); Italian large leaf Basil …
Structure And Productivity Of Haloxylon Ammodendron Communities In The Mongolian Gobi, Tamara I. Kazantseva, Nikolay N. Slemnev, Pjotr D. Gunin, Sh. Tsooj
Structure And Productivity Of Haloxylon Ammodendron Communities In The Mongolian Gobi, Tamara I. Kazantseva, Nikolay N. Slemnev, Pjotr D. Gunin, Sh. Tsooj
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Communities of Haloxylon ammodendron are widespread in the Mongolian Gobi where they play a significant role in biodiversity preservation. They occupy several main types of habitats, showing differences in density, projective cover, and productivity. Haloxylon ammodendron plays a similar, if not even more important role in the arid zone of Mongolia as the principal forest-making trees in the Northern part of the country. The complex set of quantitative parameters of Haloxylon ammodendron stands studied here in respect to temporal dynamics can serve as an indicator of both the vitality of desert ecosystems, and of environmental change.
Sorgo Sureño Normal: El Sorgo Tradicional De Honduras De Doble Proposito, Alberto Morán Araujo, Miriam Villeda
Sorgo Sureño Normal: El Sorgo Tradicional De Honduras De Doble Proposito, Alberto Morán Araujo, Miriam Villeda
INTSORMIL Scientific Publications
Origen: En Honduras, el Sorgo Sureño Normal ingresó a la estación experimental La Lujosa, en Choluteca, en el año de 1982, por medio del vivero de resistencia a l a i n t e m p e r i e , d o n d e s e seleccionó por su rendimiento, adaptación y calidad tortillera.
El Sorgo Sureño Normal fue liberado por la Secretaría de Recursos Naturales (SRN) y el Programa Internacional de Sorgo y Mijo (INTSORMIL) en 1985.
Adaptación: Sureño Normal se adapta a climas secos y calientes, suelos pobres, en condiciones de sequía y exceso de humedad …
Super Efficient Irrigation With Buried Clay Pots, David A. Bainbridge
Super Efficient Irrigation With Buried Clay Pots, David A. Bainbridge
David A Bainbridge
Buried clay pot irrigation was first described in an agricultural extension bulletin in China more than 2000 years ago. The clay pot provides demand responsive irrigation at very high efficiency. Clay pot irrigation can be 5-10 times more efficient than conventional irrigation. It is being used more widely in Asia, Africa, Latin American and the US.
Pyrite. History, Chemistry, And Metallurgy, Fathi Habashi
Pyrite. History, Chemistry, And Metallurgy, Fathi Habashi
Fathi Habashi
The Book covers the history of pyrite - - how it was a strategic mineral necessary for the production of elemental sulfur needed for making gunpowder for military purposes and for the production of SO2 needed for making sulfuric acid for the chemical industry. Now its presence is a nuisance in tailings ponds. The book also covers the processing of pyrite containing gold, its chemistry and technology, the processing of pyrite cinder for the production of a variety of metals, and its behaviour towards autotrophic microorganisms.
Systematics, Biogeography And Leaf Anatomy And Architecture Of Bursera Subgen. Bursera (Burseraceae) In The Greater Antilles And The Bahamas, María Cristina Martínez-Habibe
Systematics, Biogeography And Leaf Anatomy And Architecture Of Bursera Subgen. Bursera (Burseraceae) In The Greater Antilles And The Bahamas, María Cristina Martínez-Habibe
CGU Theses & Dissertations
This dissertation presents a comprehensive study on the origin and evolutionary relationships of the species of Bursera in Cuba, Hispaniola, Jamaica and the Bahamas. The goals of the first chapter were to test monophyly of the group, revisit a recent transfer of two species of Bursera to Commiphora, and place recently discovered mainland species using the reconstructed phylogenies. Additionally, divergence estimations using fossils were used as independent tests of several hypotheses regarding the arrival of the modern biota to the Greater Antilles and Bahamas (GAB). I conclude that all endemic taxonomic entities of the genus in this region belong …