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Articles 8131 - 8160 of 8610
Full-Text Articles in Entire DC Network
Ua68/1 Forum, Wku Potter College Of Arts & Letters
Ua68/1 Forum, Wku Potter College Of Arts & Letters
WKU Administration Documents
WKU Potter College of Arts & Letters faculty newsletter regarding faculty research and publications. This issue includes:
- Mounce, Robert. As I See It - Fletcher Byrom
- Jackson, Carlton. History at Western Kentucky University: A Rationale
- Glaser, Joseph. Nature's Mystic Book: A Report from the New Biology
Nepal Studies Association Bulletin, Nos. 12-13, Nepal Studies Association, Donald A. Messerschmidt
Nepal Studies Association Bulletin, Nos. 12-13, Nepal Studies Association, Donald A. Messerschmidt
Nepal Studies Association Newsletter
No abstract provided.
Whole Issue Nebraska Bird Review (March 1977) 45(1)
Whole Issue Nebraska Bird Review (March 1977) 45(1)
Nebraska Bird Review
Table of Contents
1976 Treasurers Report ...................2
1976 Nebraska Nesting Survey ...................3
Wild Turkeys in the Fontenelle Forest Area ...................6
1976 Christmas Count ...................7
A Groove-billed Ani and other Birds in Cuming and Doge Counties ...................13
Book Reviews ...................14
Notes ...................15
Growing Degree Days Predictions For Corn And Sorghum Development And Some Applications To Crop Production In Nebraska, R. E. Neild, M. W. Seeley
Growing Degree Days Predictions For Corn And Sorghum Development And Some Applications To Crop Production In Nebraska, R. E. Neild, M. W. Seeley
Nebraska Agricultural Experiment Station: Historical Research Bulletins
The concept of growing degree days (GDD) originated with observations by Reamur (1735) that plant development is more closely related to the temperature accumulated to a given stage than with time alone. It was not until nearly 200 years later, however, that Merriam (1894), Livingston (1916) and Klages (1942) began to use temperature accumulations in plant distribution studies and in crop geography. In the early 1950's, a system involving growing degree days became widely used in the canning industry to schedule plantings and thus control time of harvest of rapidly maturing vegetables. This system provided a more precise control of …
The Vegetation Of South Padre Island, Texas In Relation To Topography, Frank W. Judd, Robert I. Lonard, Sammie L. Sides
The Vegetation Of South Padre Island, Texas In Relation To Topography, Frank W. Judd, Robert I. Lonard, Sammie L. Sides
School of Integrative Biological & Chemical Sciences (Formerly Dept. of Biology)
Vegetation patterns were studied in relation to topography to ascertain the degree of phytosociological change and to provide an inventory of the vegetation of South Padre Island. Six major terrestrial topographic zones were recognized: (1) Foreshore, (2) Backshore, (3) Primary dunes, (4) Secondary dunes and vegetated flats, (5) Tidal flats, and (6) Washovers. The flora includes at least 204 species of angiosperms representing 47 families. Five families, Compositae (26), Cyperaceae (10), Gramineae (46), Leguminosae (24), and Scrophulariaceae (8), account for 55.9% of the species diversity. The vegetation occurs in distinct zones that correspond closely to topographic facets. Comparison of three …
The Effect Of Declining Timber Supplies And Productivity Increases In The Forest Products Industries Upon Employment In Douglas County, Oregon, Patrick L. Burden
The Effect Of Declining Timber Supplies And Productivity Increases In The Forest Products Industries Upon Employment In Douglas County, Oregon, Patrick L. Burden
Dissertations and Theses
This thesis examines some of the factors that will have significant impact upon employment in Douglas County, Oregon to the year 2000.
The major question this research attempts to answer is: Given a continuation of current policies and programs, what will future employment levels in the forest product industries and total employment levels in all industries in Douglas County be to the year 2000.
Lucille Vinyard Journal 1977, Lucille Vinyard
Lucille Vinyard Journal 1977, Lucille Vinyard
Lucille Vinyard Journal Collection
No abstract provided.
A Comparison Of The Leaf Anatomy And Leaf Water Potentials Of Six Populations Of Quercus Occurring At Four Elevations In The San Bernardino Mountains Of Southern California, Roger Kahns
Theses Digitization Project
No abstract provided.
The Years 1960–1977, Lee W. Lenz
The Years 1960–1977, Lee W. Lenz
Aliso: A Journal of Systematic and Floristic Botany
In the years 1960–1977, Rancho Santa Ana Botanic Garden fully embraces its role as teaching institution and as advocate and guardian of the native California flora. Expansion of the living collection, landscaping of the grounds, public education, herbarium and library activities, and publication output are detailed. To accommodate a growing number of graduate students, the faculty—consisting of Richard K. Benjamin, Sherwin Carlquist, and Lee. W. Lenz—is joined by Peter H. Raven, Ronald Scogin, John P. Simon, and Robert F. Thorne.
Nepal Studies Association Bulletin, No. 11, Nepal Studies Association, Donald A. Messerschmidt
Nepal Studies Association Bulletin, No. 11, Nepal Studies Association, Donald A. Messerschmidt
Nepal Studies Association Newsletter
No abstract provided.
The Oombulgurri Project Clancy Committee Report, D J. Clancy, P Mccosker, C Mayberry, A J. Millington, P Ryan
The Oombulgurri Project Clancy Committee Report, D J. Clancy, P Mccosker, C Mayberry, A J. Millington, P Ryan
All other publications
In early August the Oombulgurri community requested assistance in the following terms.
"On behalf of the Oombulgurri Community, we invite assistance in developing the grain and pasture cropping at Oombulgurri. We have experimented with peanuts, sorghum, and many varieties of vegetables. This has tested the reality of hopes to expand acreage and varieties to become self-sufficient in stock feed. The Farm and Garden Guild now needs the expertise of your services to plan a four-year programme. vie need assistance in choosing from the many options, opinions and advices available from Australia and elsewhere, for grain production, pastures, methods appropriate to …
Analysis Of The Presettlement Forests Of The Unglaciated Portions Of Southern Illinois, Lawrence A. Leitner
Analysis Of The Presettlement Forests Of The Unglaciated Portions Of Southern Illinois, Lawrence A. Leitner
All-Inclusive List of Electronic Theses and Dissertations
This research used the data on witness trees found in the surveyors' records of the General Land Office surveys of 1805-1815 as the basis for studying the primeval forests of unglaciated southern Illinois. Via computer, the random pairs and closest individual methods of plotless sampling were used to develop stand attributes tables, with soil association boundaries defining the limits of forest stands. A vegetation map was developed from these stands. Four major forest types were delineated: Upland Oak, nixed Hardwoods, Swamp Forest, and Floodplain Forest. The Upland Oak Forest, with lowest density (175.9/ha or 71.2/acre) and basal area (21.3 rn …
Nepal Studies Association Bulletin, No. 10, Nepal Studies Association, Donald A. Messerschmidt
Nepal Studies Association Bulletin, No. 10, Nepal Studies Association, Donald A. Messerschmidt
Nepal Studies Association Newsletter
No abstract provided.
Lucille Vinyard Journal 1976, Lucille Vinyard
Lucille Vinyard Journal 1976, Lucille Vinyard
Lucille Vinyard Journal Collection
No abstract provided.
Protecting The Appalachian Trail In Maine, University Of Maine At Portland - Gorham
Protecting The Appalachian Trail In Maine, University Of Maine At Portland - Gorham
Maine Collection
Protecting the Appalachian Trail In Maine
A Handbook Compiled by the Allagash Environmental Institute, Center for Research & Advanced Study, University of Maine Portland - Gorham, 1976.
Directed & edited by Patricia Solotaire.
Contents: The Project Itself / The History of Trail Agreements in Maine / The Landowner's Duty to Hikers and Campers / History and Description of the Statutory Protection of the Appalachian Trail / An Overview of Tax Considerations / Land Protection Devices / Using the Information / Bibliography / Footnotes / Appendices
Water Reuse Practices, Prospects And Problems., Duane D. Baumann, Daniel M. Dworkin
Water Reuse Practices, Prospects And Problems., Duane D. Baumann, Daniel M. Dworkin
HRI Papers
Research on the practicality of water reuse. Including economics, engineering, geography, planning, psychology and public health.
Investigations Of The Ichthyofauna Of Nicaraguan Lakes: Frontmatter
Investigations Of The Ichthyofauna Of Nicaraguan Lakes: Frontmatter
Investigations of the Ichthyofauna of Nicaraguan Lakes
Dedication
Commentary on this Compendium
Preface
Acknowledgments
Contributors
Contents
Digenea Of Fishes From Lake Nicaragua, Donald E. Watson
Digenea Of Fishes From Lake Nicaragua, Donald E. Watson
Investigations of the Ichthyofauna of Nicaraguan Lakes
This paper covers a collection of helminths made during the summer of 1963. The Monogenea and Cestoda of elasmobranchs are reported in a separate paper (Watson and Thorson, 1976). Most of the teleosts were obtained (many still alive) from the fish market in Granada and were caught in Lake Nicaragua. The others were taken by seine or hook and line from the lake, from Tepetate and from San Carlos.
There have been relatively few studies on Digenea from Central America and most of the work has been done on helminths of vertebrates other than fishes. Brenes (1961) catalogued the parasites …
Geography Of Lake Nicaragua, Jaime Incer
Geography Of Lake Nicaragua, Jaime Incer
Investigations of the Ichthyofauna of Nicaraguan Lakes
The area surrounding Lake Nicaragua is discussed from the standpoints of its history, geological setting, climate and vegetation. A physical description of the lake itself is given, including the nature of its bottom, its shoreline, its islands and volcanoes.
Ichthyology Of The Lakes Of Nicaragua: Historical Perspective, Jaime Villa
Ichthyology Of The Lakes Of Nicaragua: Historical Perspective, Jaime Villa
Investigations of the Ichthyofauna of Nicaraguan Lakes
Scientific study of Nicaraguan freshwater fishes did not begin until Gunther described the first species from Lake Nicaragua in 1864, but actual accounts of several interesting fishes were written as early as the sixteenth century by the first historians of the New World. These accounts ranged from hearsay to rather detailed (for their time) descriptions and first-hand observations on the form and life of some species. In some cases these observations or conclusions have been doubted for many decades but confirmed and elaborated in recent years. Therefore I believe it may be of interest to examine the early chronicles.
Derivation Of The Freshwater Fish Fauna Of Central America, George S. Myers
Derivation Of The Freshwater Fish Fauna Of Central America, George S. Myers
Investigations of the Ichthyofauna of Nicaraguan Lakes
The nature, composition, and evolution of Centra) American freshwater fish groups are discussed in relation to the history and derivation of the faunal elements. It is concluded that the entire area between the Isthmus of Tehuantepec and eastern Panama was and always had been devoid of primary (obligatory) freshwater fishes prior to the very late Tertiary. Instead, secondary freshwater fishes evolved in this area during the Neogene and perhaps for a longer period, the Poeciliidae having probably had a longer history within the area than the Cichlidae. In the late Tertiary a very few North American immigrants entered the area …
Geographic Distribution Of The San Juan Ichthyofauna Of Central America With Remarks On Its Origin And Ecology, William A. Bussing
Geographic Distribution Of The San Juan Ichthyofauna Of Central America With Remarks On Its Origin And Ecology, William A. Bussing
Investigations of the Ichthyofauna of Nicaraguan Lakes
The scientific study of fishes of the Great Lakes of Nicaragua began in 1864 with the description by Gunther of Heros labiatus (=Cichlasoma labiatum) from Lake Managua. Subsequently, Gunther reported on several other species collected in the Great Lakes by Captain J. M. Dow. Astorqui (1967) reviewed the sparse ichthyological literature dealing with Nicaraguan fishes and pointed out the paucity of recent studies. Since then Villa (1971) has produced a provisional list of the freshwater and brackish water fishes of Nicaragua and Astorqui (1972) has analyzed the ichthyofauna of the Great Lakes Basin. Riedel (1972) discussed the geological …
Some Speculations About "The Great Nicaraguan Lake", Jaime Villa
Some Speculations About "The Great Nicaraguan Lake", Jaime Villa
Investigations of the Ichthyofauna of Nicaraguan Lakes
The available evidence indicates that Lakes Managua and Nicaragua were broadly connected in the past, when most of the fish species invaded the "Great Nicaraguan Lake". Due to the lowering of the water level (caused perhaps by tectonic movements and/or erosion produced by the Rio San Juan), Lake Managua became separated from Lake Nicaragua in the Tipitapa area. Water movement from Lake Managua is achieved mostly by seepage through a porous dropoff which prevents the exchange of fishes between the lakes. At about the same time, if not earler, Lake Xilml also became separated. After the more or less permanent …
An Investigation Into The Use Of Artificial Habitats As A Means Of Increasing The Fishery Productivity Of The Great Lakes Complex Of Nicaragua, Terrance M. Lim, Kenneth R. Mckaye, Douglas J. Weiland
An Investigation Into The Use Of Artificial Habitats As A Means Of Increasing The Fishery Productivity Of The Great Lakes Complex Of Nicaragua, Terrance M. Lim, Kenneth R. Mckaye, Douglas J. Weiland
Investigations of the Ichthyofauna of Nicaraguan Lakes
Protein deficiency is a major dietary problem in Central America where protein-rich foods are scarce and costly. Fish, however, represents a rich source of animal protein that is not being utilized to a significant extent. Moreover, it is a source that could be made available to large portions of the populations of these countries if improvements of the present fishing and distribution methods were realized. Prerequisite to expansion, however, is a basic understanding of the ecosystems and their components. It is at this preliminary stage that the situation presently lies. Once this understanding has been achieved, means of maximizing production …
Zooplankton Community Dynamics And Water Quality Of Polecat Creek, Coles County, Illinois, Spring, 1975, Carl Edward Baird
Zooplankton Community Dynamics And Water Quality Of Polecat Creek, Coles County, Illinois, Spring, 1975, Carl Edward Baird
Masters Theses
No abstract provided.
Fishes Of The Fourche River In Northcentral Arkansas, Steve M. Bounds, John K. Beadles
Fishes Of The Fourche River In Northcentral Arkansas, Steve M. Bounds, John K. Beadles
Journal of the Arkansas Academy of Science
A survey of the fishes of Fourche River in northcentral Arkansas was made between June 1974 and March 1976. Field collections and literature records revealed that the river system was inhabited by 94 species of fish representing 21 families. The collected fishes represent both the Ozark and the lowland faunal groups. Fourteen species of Etheostoma and four species of Percina were collected. The records of Etheostoma asprigene and Elassoma zonatum represent extensions of the previously known ranges of these species within the state. Noturus gyrinus and Etheostoma histrio were recorded from the Black River system in Arkansas for the first …
A Chronological Comparison Of The Vegetation Of Vigo County, Indiana Presettlement (1814) Versus Contemporary (1974), Ellen Oliver Donselman
A Chronological Comparison Of The Vegetation Of Vigo County, Indiana Presettlement (1814) Versus Contemporary (1974), Ellen Oliver Donselman
All-Inclusive List of Electronic Theses and Dissertations
A study of the vegetation of Vigo County was undertaken to categorize and map presettlement and contemporary vegetation patterns, and to relate these patterns to climate, topography, soil types and land-use changes. Vigo County was divided into four major topographic units according to geography and soil types. Ttese units served as the basis for this study. The General Land Office Survey of 1814 provided data for the presettlement forest distribution. Sixteen contemporary stands were sampled to obtain data for characterization of present-day vegetation patterns. Standattributes tables and size-class tables were constructed for four contemporary and four presettlement forest units. A …
Application Of Satellite Data And Lars' Data Processing Techniques To Mapping Vegetation Of The Dismal Swamp, Jeffrey Allan Messmore
Application Of Satellite Data And Lars' Data Processing Techniques To Mapping Vegetation Of The Dismal Swamp, Jeffrey Allan Messmore
Biological Sciences Theses & Dissertations
This study concerned the feasibility of using digital satellite imagery and automatic data processing (ADP) techniques as a means of mapping swamp forest vegetation. Multispectral scanner data acquired by the Earth Resources Technology Satellite (ERTS-1; renamed LANDSAT-1) was analyzed using ADP techniques developed by Purdue University's Laboratory for Applications of Remote Sensing (LARS). The site for this investigation was the Dismal Swamp, a 210,000 acre swamp forest located south of Suffolk, Va. on the Virginia-North Carolina border. Two basic classification strategies were employed in determining the vegetation mapping capability of ERTS-1 data. The initial classification utilized unsupervised techniques which produced …
The Prairie Naturalist Vol. 7 , Nos. 2 And 3. June-September, 1975
The Prairie Naturalist Vol. 7 , Nos. 2 And 3. June-September, 1975
The Prairie Naturalist
VASCULAR FLORA OF EMMONS COUNTY, NORTH DAKOTA ▪ R. P Williams and W. T. Barker
NOTES
Unusual Nesting Site of Barn Swallows ▪ W. A. Buresh
Summer Tanager in Burleigh County, North Dakota ▪ W. A. Buresh
Additional Record of Summer Tanager in North Dakota ▪ J. F. Cassel
Snowy Owl in McHenry County, North Dakota, in May ▪ W. A. Buresh
A Preliminary Survey Of The Vascular Flora Of Upper Tygarts Creek, Carter County, Kentucky, William Michael Huffaker
A Preliminary Survey Of The Vascular Flora Of Upper Tygarts Creek, Carter County, Kentucky, William Michael Huffaker
Morehead State Theses and Dissertations
A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by William Michael Huffaker on July 23, 1975.