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Articles 6241 - 6270 of 6306

Full-Text Articles in Terrestrial and Aquatic Ecology

Heat Resistance Experiments With The Longear Sunfish, Lepomis Megalotis (Rafinesque), William H. Neill, Kirk Strawn, James E. Dunn Jan 1966

Heat Resistance Experiments With The Longear Sunfish, Lepomis Megalotis (Rafinesque), William H. Neill, Kirk Strawn, James E. Dunn

Journal of the Arkansas Academy of Science

No abstract provided.


Observations On Occurrence And Range Of Three Species Of Dentaria (Cruciferae) In The Ouachita Mountains, Aileen L. Mcwilliam Jan 1966

Observations On Occurrence And Range Of Three Species Of Dentaria (Cruciferae) In The Ouachita Mountains, Aileen L. Mcwilliam

Journal of the Arkansas Academy of Science

No abstract provided.


The Labiatae Of Arkansas, James M. Lang Jan 1966

The Labiatae Of Arkansas, James M. Lang

Journal of the Arkansas Academy of Science

No abstract provided.


Factors Affecting Nesting Success Of The Canvasback In The Aspen Parklands, Jerome H. Stoudt Dec 1965

Factors Affecting Nesting Success Of The Canvasback In The Aspen Parklands, Jerome H. Stoudt

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

The Minnedosa study area is located in the southwestern portion of Manitoba just south of the town of Minnedosa. It is 90 square miles in size and roughly square in shape. The Aspen Parkland, in which the study area is located, is characterized by gently rolling terrain and black soils. Mixed farming is the rule with emphasis on small grain production consisting of wheat, barley, and oats. Roughly 50 percent of the water areas in the parkland are ringed with aspen, Populus tremuloides, and large blocks of aspen are interspersed throughout the area. The Minnedosa area differs because of …


Water Chemistry Survey Of Boulder Basin, Lake Mead, P. R. Tramutt, Bureau Of Reclamation Jun 1965

Water Chemistry Survey Of Boulder Basin, Lake Mead, P. R. Tramutt, Bureau Of Reclamation

Publications (WR)

The survey results indicate that the impoundment of water behind Hoover Dam has not adversely affected the dissolved oxygen (DO) content and that water quality and DO content were uniform regardless of depth. The study made in April-May 1964 will provide water quality data of Lake Mead prior to releases from Lake Powell as a basis for evaluating Lake Powell's effect on water quality and limnology of Lake Mead. The performance of a DO analyzer was tested and found unsatisfactory at depths below 150 ft. Parameters tested by standard chemical analyses of water samples in the Denver Laboratory and by …


Swallowtail Butterflies Of Arkansas (Lepidoptera; Family Papilionidae), E. Phil Rouse Jan 1965

Swallowtail Butterflies Of Arkansas (Lepidoptera; Family Papilionidae), E. Phil Rouse

Journal of the Arkansas Academy of Science

No abstract provided.


Review Of Echinococcus Species In South Africa, Anna Johanna Maria Verster Jan 1965

Review Of Echinococcus Species In South Africa, Anna Johanna Maria Verster

Harold W. Manter Laboratory of Parasitology: Faculty Publications

1. The nominate subspecies of E. granulosus (Batsch, 1786) is redesignated from the type locality, Europe.

2. Five subspecies of E. granulosus are described from South African carnivores: E. g. granulosus, E. g. africanus, E. g. felidis, E. g. lycaontis and E. g. ortleppi.

3. E. g. granulosus has so far only been recovered from the Transvaal; E. g. ortleppi appears to be restricted to the Transvaal; E. g. africanus occurs in the Orange Free State and the Transvaal; E. g. lycaontis and E. g. felidis like their definitive hosts are restricted to the Transvaal.

4. …


Distribution And Taxonomy Of Mammals Of Nebraska, J. Knox Jones Jr Jan 1964

Distribution And Taxonomy Of Mammals Of Nebraska, J. Knox Jones Jr

Nebraskiana Publications: Resources and Materials on the 37th State

Contents

Introduction

Environment

Climate

Soils

Geology and Physiography

Vegetation

Effects of Man on The Envmonment

Factors Influencing Distribution And Speciation

Wisconsin Glaciation And Post-Wisconsin Climates

Emigration of Recent Mammals To Nebraska

Some Effects of The Environment

The Missouri River as a Barrier to Dispersal

Geographic Varlatlon and Speciation

Mammalian Distributional Areas

Summary

Treatment and Acknowledgments

Checklist (with page references) of Mammals of Nebraska

Accounts of Species

Introduced Mammals

Species of Unverified occurrence

Type Localities

Literature Cited

● Order MARSUPIALIA-Marsupials ● ● Family DIDELPHIDAE-Opossums ● Didelphis marsupialis virginiana Kerr (Opossum) ● Order INSECTIVORA-Insectivores ● Family SORICIDAE-Shrews ● Sorex cinereus haydeni Baird …


Arkansas Avifauna: Some Significant Findings, 1960-1964., Douglas A. James Jan 1964

Arkansas Avifauna: Some Significant Findings, 1960-1964., Douglas A. James

Journal of the Arkansas Academy of Science

No abstract provided.


Problem Of The Hybridization Of The Red Cave Salamander, Eurycea Lucifuga (Raf), And The Long-Tailed Salamander, Eurycea Longicauda Melanopleura (Green), Charles C. Smith Jan 1964

Problem Of The Hybridization Of The Red Cave Salamander, Eurycea Lucifuga (Raf), And The Long-Tailed Salamander, Eurycea Longicauda Melanopleura (Green), Charles C. Smith

Journal of the Arkansas Academy of Science

No abstract provided.


Seasonal Occurrences Of Arkansas Birds, Douglas A. James, Frances C. James Jan 1964

Seasonal Occurrences Of Arkansas Birds, Douglas A. James, Frances C. James

Journal of the Arkansas Academy of Science

No abstract provided.


Notes On The Natural Habitat Of The Brown Recluse Spider, Loxoseles Reclusa Gertsch And Mulaik, Maxine Hite Jan 1964

Notes On The Natural Habitat Of The Brown Recluse Spider, Loxoseles Reclusa Gertsch And Mulaik, Maxine Hite

Journal of the Arkansas Academy of Science

No abstract provided.


Habitat Specificity In Land Snails, John C. Coulter, Glen L. White, Frank G. Nordlie Jan 1963

Habitat Specificity In Land Snails, John C. Coulter, Glen L. White, Frank G. Nordlie

Journal of the Minnesota Academy of Science

No abstract provided.


Literature On The Vegetation Of Arkansas, Edward E. Dale Jr. Jan 1963

Literature On The Vegetation Of Arkansas, Edward E. Dale Jr.

Journal of the Arkansas Academy of Science

No abstract provided.


Water For Agriculture. 6. Control Of Algae In Water Supplies, R C. Gorman Jan 1963

Water For Agriculture. 6. Control Of Algae In Water Supplies, R C. Gorman

Journal of the Department of Agriculture, Western Australia, Series 4

ALGAE are primitive forms of plant life that are common and normal in surface waters. They are fonnd in every water supply exposed to sunlight.

Their presence is not normally detectable until there are enough of them to make their presence obvious.


Ecology Of Spring Fed Salt-Marshes, Eric George Bolen May 1962

Ecology Of Spring Fed Salt-Marshes, Eric George Bolen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Any marsh is a distinctive land-form of varied interest. To the agriculturist it is wasteland to be reclaimed; to the naturalist, a habitat of aesthetic value. To the ecologist, however, a marsh represents a complexity of vegetation under the influences of many and often inseparable factors. It becomes a place of challenging study.


The Gascoyne River Catchment Area, W M. Nunn Jan 1962

The Gascoyne River Catchment Area, W M. Nunn

Journal of the Department of Agriculture, Western Australia, Series 4

A RECENT Department of Agriculture survey of the Gascoyne River catchment area has indicated that deterioration of plant cover in the area contributes to the severity of floods which regularly damage the town of Carnarvon.

It is hoped that the results of the survey will help efforts to regenerate the catchment area, and reduce the risk of flooding.


List Of The Smut Fungi Of Arkansas, George E. Templeton Jan 1962

List Of The Smut Fungi Of Arkansas, George E. Templeton

Journal of the Arkansas Academy of Science

No abstract provided.


Introducing Aquatic Ecology To Ninth Graders, Inez P. Sutton Jul 1961

Introducing Aquatic Ecology To Ninth Graders, Inez P. Sutton

Masters Theses

Chapter I

Introduction

In discussing the basis for teaching high school biology, Van Deventer1 states, "...the present typical course in high school biology serves adequately neither the terminal student nor the college entrance student." He holds that today's courses present watered-down versions of college courses to the student before the intelligence of the student has matured enough to grasp such subject matter. As a result there is very little carry-over value from such courses, and the students may even develop a dislike for biology. This study constitutes an effort to understand these problems and to devise ways of solving …


Ecosystem Studies At Cedar Creek Natural History Area, Iii: Water Use Studies, A. N. Bonde, J. D. Ives, D. B. Lawrence Jan 1961

Ecosystem Studies At Cedar Creek Natural History Area, Iii: Water Use Studies, A. N. Bonde, J. D. Ives, D. B. Lawrence

Journal of the Minnesota Academy of Science

Previous articles in this series (Lawrence et al. 1957-58, 1960) have dealt with the nature of ecosystems, history of the ecosystem analysis approach, and some of the objectives and the methods that have been used at the Cedar Creek Natural History Area of the University of Minnesota and the Minnesota Academy of Science. The area, which was acquired in large part through a generous grant from the Fleischmann Foundation, is located in Anoka and Isanti Counties in east central Minnesota. The work has been generously supported by the Hill Family Foundation since the early summer of 1957.

One main objective …


Revised And Annotated Catalogue Of The Grasses Of Arkansas, Dwight M. Moore Jan 1961

Revised And Annotated Catalogue Of The Grasses Of Arkansas, Dwight M. Moore

Journal of the Arkansas Academy of Science

No abstract provided.


Preliminary Report: Monolayer Behavior Studies, 1959, Bureau Of Reclamation Jan 1960

Preliminary Report: Monolayer Behavior Studies, 1959, Bureau Of Reclamation

Publications (WR)

During the fall of 1959, monolayer behavior studies were made on two lakes in the southwest; Boulder Basin of Lake Mead, Nevada, and Lake Sahuaro near Phoenix, Arizona. These studies were made to evaluate the effect of geographical and climatological conditions on movement and behavior of monolayers. The Lake Sahuaro tests also were used to provide data for design and development of improved methods of application and maintenance of a film on this lake in anticipation of full scale, evaporation-reduction tests to be performed there during the summer of I960. The Lake Mead studies produced the following general points of …


Some Recent Findings Concerning The Avifauna Of Arkansas, Douglas A. James Jan 1960

Some Recent Findings Concerning The Avifauna Of Arkansas, Douglas A. James

Journal of the Arkansas Academy of Science

No abstract provided.


Notes On The Salamanders Of Arkansas #2 The Status Of Desmognathus In Arkansas, Charles C. Smith Jan 1960

Notes On The Salamanders Of Arkansas #2 The Status Of Desmognathus In Arkansas, Charles C. Smith

Journal of the Arkansas Academy of Science

No abstract provided.


Ligneous Flora On Contrasting Sites At Longpool, Pope County, Arkansas, Lowell A. Logan Jan 1960

Ligneous Flora On Contrasting Sites At Longpool, Pope County, Arkansas, Lowell A. Logan

Journal of the Arkansas Academy of Science

No abstract provided.


Malaysian Parasites Xxxv-Xlix, W. W. Macdonald Jan 1960

Malaysian Parasites Xxxv-Xlix, W. W. Macdonald

Harold W. Manter Laboratory of Parasitology: Faculty Publications

This is the third Study of the series from this Institute on the external and internal parasites and the biting insects of the Malaysian region. The earlier two volumes were planned and edited by Dr. J.R. Audy, and on his departure from Malaya in the middle of 1959 Mr. W. W. Macdonald continued the work which had been begun and collated and edited the papers in this present Study.

In the two previous volumes (Study No. 26, 1954 and No. 28, 1957) the emphasis was on the taxonomy of Trombiculid mites. In the present volume the emphasis has changed, and …


Notes On Scottsbluff, Nebraska, Tornadoes, 27 June 1955, Robert G. Beebe Mar 1959

Notes On Scottsbluff, Nebraska, Tornadoes, 27 June 1955, Robert G. Beebe

National Oceanographic and Atmospheric Administration: Technical Reports and Related Materials

Some general characteristics of thirteen tornadoes that occurred on the afternoon of June 27, 1955 in Scottsbluff County, Nebraska, are related. Two of these caused widespread attention due to their size and their proximity to the cities of Scottsbluff and Mitchell, Nebraska. These two were photographed extensively by residents near their paths. The experience of two men directly beneath one of the two large tornadoes is related.


Notes On The Salamanders Of Arkansas, Charles C. Smith Jan 1959

Notes On The Salamanders Of Arkansas, Charles C. Smith

Journal of the Arkansas Academy of Science

No abstract provided.


Three-Year Creel Census Of Lake Catherine, Lake Hamilton, And Lake Ouachita, Arkansas, James H. Stevenson, Clinton Richards Jan 1959

Three-Year Creel Census Of Lake Catherine, Lake Hamilton, And Lake Ouachita, Arkansas, James H. Stevenson, Clinton Richards

Journal of the Arkansas Academy of Science

No abstract provided.


Inventory In 1957 Of The Distribution Of The Wild Turkey (Meleagris Gallopavo Silvestris Vieillot) In The Ozark Plateau Region Of Arkansas, Douglas A. James, John R. Preston Jan 1959

Inventory In 1957 Of The Distribution Of The Wild Turkey (Meleagris Gallopavo Silvestris Vieillot) In The Ozark Plateau Region Of Arkansas, Douglas A. James, John R. Preston

Journal of the Arkansas Academy of Science

No abstract provided.