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Articles 19591 - 19620 of 19871

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The Prairie Naturalist Volume 2, Nos. 3 And 4 September–December, 1970 Dec 1970

The Prairie Naturalist Volume 2, Nos. 3 And 4 September–December, 1970

The Prairie Naturalist

EDITORIAL: Ecology and Environmental Education ▪ Keith R. Stamm

PEOPLE IN PERIL ▪ Thomas L. Kimball

MEN IN MAN'S ENVIRONMENT ▪ Robert L. Burgess

ENERGY AND MAN'S ENVIRONMENT ▪ Dale Henegar

MINERALS AND SOILS IN MAN'S ENVIRONMENT ▪ Wilson M. Laird

WATER IN MAN'S ENVIRONMENT ▪ Norman Peterson

THE ATMOSPHERE IN MAN'S ENVIRONMENT ▪ Gene A. Christianson

WHY ENVIRONMENTAL EDUCATION IN THE LIFE SCIENCES? ▪ James R. Reilly

ECOLOGICAL EDUCATION IN THE PHYSICAL SCIENCES ▪ William P. Eastwood

MASS MEDIA AND ENVIRONMENTAL EDUCATION ▪ Richard Palmer

THE JUDGMENT OF THE JACKAL ▪ C. Benson Thomerson

THE ROLE OF COLLEGES AND …


The Fishes Of The Nemaha Basin, Nebraska, Larry Witt Nov 1970

The Fishes Of The Nemaha Basin, Nebraska, Larry Witt

Nebraska Game and Parks Commission: Staff Research Publications

The possible effects of proposed watershed management practices on fish resources of the Nemaha Basin were poorly understood; thus, a study was undertaken to ascertain the species of fish present and their relative abundance and distribution within the basin. Thirty-five species were collected, 34 of them from the Big Nemaha River system and 28 from the Little Nemaha River system. These data may be used as a basis for future studies of fish population changes in the Nemaha Basin and possibly as a basis for studies in other watersheds.


Bioassay Procedures For Oil And Oil Dispersant Toxicity Evaluation, Gilles Laroche, Ronald Eisler, Clarence M. Tarzwell Nov 1970

Bioassay Procedures For Oil And Oil Dispersant Toxicity Evaluation, Gilles Laroche, Ronald Eisler, Clarence M. Tarzwell

United States Environmental Protection Agency: Publications

Hazards to marine and estuarine fauna associated with offshore drilling of oil and with transport of large quantities of oils via tankers are numerous and understandable. At present, there is a growing body of evidence on adverse effects to these organisms of crude oil (1) (2) (3) (4) (5) (6) (7) (8) (9) and chemical oil counteracting agents or dispersants (5) (6) (9) (10) (11) (12) (13) (14) (15) (16) (17). These effects are well summarized by Smith (18) and by Carthy and Arthur (19).

Comparatively few workers have studied the influence of oil-dispersant mixtures of marine life. Studies by …


Water Resources News, Volume 2, No. 10, November 1970 Nov 1970

Water Resources News, Volume 2, No. 10, November 1970

Water Current Newsletter

NWRRI Director Named Executive Secretary of Universities Council on Water Resources
1971 Summer Institutes Planned
Research and Development Sources Sought
NWRRI Proposals Submitted
FWQA Booklet on Fish Mortalities
Urban Wastewater Renovation Through Agriculture
Control of Oil Pollution
Environmental Education Bill to White House
Title II Awards for FY 1971
Case Studies in Water Resources Systems Analysis
National Environmental Pollution Conference
UCOWR Annual Meeting Held in Virginia
Reorganizational Plans for Environmental Programs
National Water Commission Studies
Research Review
New Publications Received by the Institute - November


Press Reports, Walter Lawrance Oct 1970

Press Reports, Walter Lawrance

Walter Lawrance Papers

No abstract provided.


L.A. General Data, Walter A. Lawrance Oct 1970

L.A. General Data, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Water Resources News, Volume 2, No. 9, October 1970 Oct 1970

Water Resources News, Volume 2, No. 9, October 1970

Water Current Newsletter

Water Resource Projects Will Be Scrutinized
Mann Appointed to National Water Commission Staff
Klein Resigns
National Irrigation Symposium
Water Pollution and Water Quality
Closed Industrial Wastewater Systems
47 Rivers as Potential Wild or Scenic Streams
Community Water Supply Study Revealed
Office of Saline Water Annual Report
New Federal Legislation on Municipal Water Supplies
Underground Injection of Wastewaters
New Guidelines Will Place Greater Emphasis on Alternatives
Environmental Quality Education Bill Passed
Wastes Linger in Long Island Ground Water
Research Review
Interdisciplinary Water Resources Seminar
New Publications Received by the Institute


The Effects Of Ornitrol On Wild Populations Of Red-Winged Blackbirds And Grackles, Robert C. Fringer, Philip Granett Sep 1970

The Effects Of Ornitrol On Wild Populations Of Red-Winged Blackbirds And Grackles, Robert C. Fringer, Philip Granett

Bird Control Seminars Proceedings

For the past three years the New Jersey Department of Agriculture, in coop¬eration with the New Jersey Agricultural Experiment Station, has conducted field evaluations on the effects of reproductive suppressants on wild populations of red-winged blackbirds. These studies have been performed in conjunction with the North East 49 (a Federally sponsored regional project which presently has nine states in the North East and Ohio cooperating to develop means to combat bird damage to agricultural crops) regional project on control of bird depredations.

Field evaluations in 1968 and 1969 centered around the effects of TEM (tri-ethylene melamine) on the reproductive rates …


Pesticide Residues In Channel Catfish From Nebraska, N. P. Stucky Sep 1970

Pesticide Residues In Channel Catfish From Nebraska, N. P. Stucky

Nebraska Game and Parks Commission: Staff Research Publications

Channel catfish (Ictalurus punctatus) were collected in all of the major watersheds in Nebraska during the summer of 1964. Individual fat samples and composite blood samples obtained from these fish were analyzed to determine the concentrations of residues of DDT and its metabolites (o,p'DDT, p,p'-DDT, p,p'-DDD, and DDE) and dieldrin. A total of 178 fish, collected from 18 sites, were analyzed. As expected, the fat samples contained higher concentrations of the pesticides than did the blood samples. DDT residues were found in all fat samples, and average levels from 10 fish sampled at each site ranged from a …


Water Resources News, Volume 2, No. 7, August 1970 Aug 1970

Water Resources News, Volume 2, No. 7, August 1970

Water Current Newsletter

New Protection Agency Proposed
New Oceanic Group
Environmental Changes Beneficial
Myth Criticized
Dirty Rain Damages Building
Harvesting Algae
Mercury Pollution Spreading
Potomac River Sites for Desalting Tests
Water Pollution Control Rules
Price Increase to Improve Environment
Water Management Proposal
Research Review
New Publications Received by the Institute


The Prairie Naturalist Volume 2, No.2 June, 1970 Jun 1970

The Prairie Naturalist Volume 2, No.2 June, 1970

The Prairie Naturalist

EDITORIAL: Ecocide on the Sheyenne? ▪ Paul B. Kannowski

NEW RECORDS OF VASCULAR PLANTS IN NORTH DAKOTA ▪ Robert E. Stewart

SOME LOCAL NATIVE PLANT LOSSES AND SOME SAL V AGE ▪ O. A. Stevens

CHRISTMAS BIRD COUNTS IN NORTH DAKOTA ▪ Robert N. Randall

ENVIRONMENTAL DESIGN IN COMMUNITY PLANNING ▪ Cameron Man

DISTRIBUTION OF THE SCIRPUS VALIDUS COMPLEX IN NORTH DAKOTA ▪ Richard L. Ward


Record In Rock: A Handbook Of The Invertebrate Fossils Of Nebraska, Roger K. Pabian Jun 1970

Record In Rock: A Handbook Of The Invertebrate Fossils Of Nebraska, Roger K. Pabian

Conservation and Survey Division: Faculty and Staff Publications

Table of Contents:

Introduction
What Are Fossils? How Do They Form?
Fossilization
How Are Fossiliferous Rocks Formed?
What is Paleontology?
What Can Fossils Tell Us?
Fossils and Geologic Time
Fossils as Environmental Indicators
Fossils and Conservation
How Are Fossils Named?
Where Are Fossils Found?
Collecting Courtesy
Tools for Collecting Fossils
Tips on Collecting Fossils
Safety Rules
Quarry Safety
Safety Don'ts to Remember
Preparation of Specimens
A Bit of Advice
General Characteristics of Nebraska's Important Fossils
Phylum Protozoa (Single-Celled Animals)
The Living Protozoan
Fossil Protozoans from Nebraska
Phylum Porifera (Pore Bearers or Sponges)
The Living Sponge
Fossil Sponges from Nebraska
Phylum …


Ua12/2/1 College Heights Herald, Vol. 49, No. 46, Wku Student Affairs May 1970

Ua12/2/1 College Heights Herald, Vol. 49, No. 46, Wku Student Affairs

WKU Administration Documents

WKU Campus Newspaper Reporting Campus, Athletic and Bowling Green, Kentucky News. This issue contains articles:

  • Sutherland, David. Regents Okay Plans for Married Housing
  • Dr. J.P. Cornette to Deliver Spring Commencement
  • Two Comic Operas Billed to Begin Thursday Night
  • Dr. Hubert Marshall to Speak on Campus Tuesday
  • Star Performers to Bow Out – Kathy Walters, Bill Nelson
  • Kappa Delta Seeks Okay for House
  • Western Coed to Represent State in Miss USA Contest – Joanna Smith
  • International Club to Elect Officers
  • Wendell Ford to Speak Here Tomorrow
  • Late Start Better Than None at All – Married Student Housing
  • Lack of Money Forces …


Thermal Requirements To Protect Aquatic Life, Clarence M. Tarzwell May 1970

Thermal Requirements To Protect Aquatic Life, Clarence M. Tarzwell

United States Environmental Protection Agency: Publications

Water temperatures affect aquatic organisms in a number of ways, both directly and indirectly. Some of the latter effects are quite subtle. High temperatures can have direct lethal effects but sublethal levels operating over long periods can be just as harmful through delayed lethal effects and the production of nonlethal stresses which eventually result in changes in the population, reduced growth or reproduction, and the lowering of resistance to parasites, dis ease, and competitors. Temperature, in combination with certain other factors such as day length, influences re producing processes. High water temperatures may stimulate or retard migration, spawning, feeding, and …


Ua12/2/1 College Heights Herald, Vol. 49, No. 43, Wku Student Affairs Apr 1970

Ua12/2/1 College Heights Herald, Vol. 49, No. 43, Wku Student Affairs

WKU Administration Documents

WKU Campus Newspaper Reporting Campus, Athletic and Bowling Green, Kentucky News. This issue contains articles:

  • Conrad, Peggy. Three-Day Seminar Probes Down to Earth Problems
  • Foreign Policy Conference Set Tomorrow at WKU
  • Hightower, Paul. Associated Students Congress to Seek Ratification of Four Constitution Changes
  • Collegiate Journalists to Convene Here Today
  • Adpi 500’ to End Greek Week
  • Miller, Joyce. Terry Miller Crowned Greek Goddess
  • Potter, Jerry. Triangular Alignment Will Dominate Future World Affairs – John Stoessinger
  • Forcing Underclassmen to Live in Dorms Absurd
  • Pidgeon, Patrick, et al. Attacks Scheduling – Greek Week
  • Lewis, Lynette. Compliments Spotlights
  • Simpson, Steven. Backs James Dowd
  • Goodwin, …


Ua12/2/1 College Heights Herald, Vol. 49, No. 42, Wku Student Affairs Apr 1970

Ua12/2/1 College Heights Herald, Vol. 49, No. 42, Wku Student Affairs

WKU Administration Documents

WKU Campus Newspaper Reporting Campus, Athletic and Bowling Green, Kentucky News. This issue contains articles:

  • Environmental Discussions Seek Ways to Save the Earth
  • Blood, Sweat, Tears, Concert Set Saturday
  • U.S.-Soviet Affairs Lecture Set Tonight – John Stoessinger
  • Paper, Yearbook Applications Due
  • Todd, Tom. Enthusiastic Reception Welcomes Southern Folk Festival Performers
  • Miller, Joyce. Greeks Continue Spirited Jousting
  • Environmental Teach-In is Designed to Inform
  • Visitor’s Parking Should Be Added
  • Dowd, James. Answers Vendetta – Military Recruiters
  • Ferguson, Brent. Disagrees with Disagrees – Military Recruiters
  • Bennett, Ellen. Breathing Air May Be Hazardous to Your Health
  • Population Boom: Challenge of 70’s
  • Litter Causes Untold …


Ua12/2/1 College Heights Herald, Vol. 49, No. 41, Wku Student Affairs Apr 1970

Ua12/2/1 College Heights Herald, Vol. 49, No. 41, Wku Student Affairs

WKU Administration Documents

WKU Campus Newspaper Reporting Campus, Athletic and Bowling Green, Kentucky News. This issue contains articles:

  • Walls, Gary. Three-Day Environment Probe Begins with Sessions Monday
  • Miller, Joyce. Festive Week Begins Sunday for Greeks
  • Veterans Village to Succumb to University Expansion
  • Applications Due Wednesday for Publications Positions
  • Greek Carnival Set Tomorrow
  • Western Holds Kentucky Education Association Breakfast
  • On Western Faculty 47 Years
  • Dr. Gordon Wilson Sr. Dies
  • Women’s Dorms to Study Problems of Students
  • Senior Art Exhibits on Display in Gallery
  • Cinema ’70 to Show ‘The Promoter’
  • Environmental Teach-In Deserves Wide Support
  • Ressler, Ed. Deplores Dorms
  • Watkins, Eddie. Wants Married Housing
  • Willingham, …


Ua12/2/1 College Heights Herald, Vol. 49, No. 40, Wku Student Affairs Mar 1970

Ua12/2/1 College Heights Herald, Vol. 49, No. 40, Wku Student Affairs

WKU Administration Documents

WKU Campus Newspaper Reporting Campus, Athletic and Bowling Green, Kentucky News. This issue contains articles:

  • Walls, Gary. Pollution to Get Full Airing During Environmental Teach-In
  • Smith, Don. Nine-Piece Puzzle Booked for April 25 – Blood, Sweat & Tears
  • Walls, Gary. Thoughts Turn Toward South as Awaited Break Approaches
  • New Body to Rest – College Heights Herald, IBM Computer
  • Hightower, Paul. Legislators Feel Independence During Session
  • Folk Festival to Return April 16
  • Applications Being Taken for Administrative Interns
  • Libraries Set Vacation Hours
  • Campus Mail Guidelines Need to Be Clarified
  • Dowd, Jim. Abhors Military Recruiters
  • Yell Leading Program Needs Re-Examination
  • Hawkinson, Kristi. …


Rodent Control In The Hawaiian Sugar Industry, Allen H. Teshima Mar 1970

Rodent Control In The Hawaiian Sugar Industry, Allen H. Teshima

Vertebrate Pest Conference Proceedings: 4th (1970)

Past and present concepts of rodent control at the 24 sugar plantations of Hawaii are reviewed with particular attention being given to the research efforts of the Experiment Station of the Hawaiian Sugar Planters' Association in improving operational rodent control in sugarcane. Hawaii offers a unique set of conditions: a 2-year crop cycle, a production of over 100 tons of sugarcane per acre, countless numbers of gulches and wasteland bordering crop fields, and a year-long growing season, all having an effect on rat population and habitat.


Importance Of Wildlife Rabies Control, Richard L. Parker Mar 1970

Importance Of Wildlife Rabies Control, Richard L. Parker

Vertebrate Pest Conference Proceedings: 4th (1970)

ABSTRACT: Rabies in animals has been known in North America for over two centuries, and whether the disease was initially present in wild species or was introduced by dogs, it has been known in skunks for almost a century and a half. Today more rabies cases in wild animals are reported than in domestic animals, and a considerable proportion of both human and domestic animal exposures to the disease are the result of wild-animal contact. The most useful techniques for controlling wild animal rabies today are methods that reduce contact between infected individuals and susceptible individuals; these involve the manipulation …


Pocket Gopher Problems And Control Practices On National Forest Lands In The Pacific Northwest Region, Paul R. Canutt Mar 1970

Pocket Gopher Problems And Control Practices On National Forest Lands In The Pacific Northwest Region, Paul R. Canutt

Vertebrate Pest Conference Proceedings: 4th (1970)

Pocket gophers of concern to foresters in the Pacific Northwest belong to the genus Thomomys (13). The two species believed responsible for most conifer damage are the northern pocket gopher (T. talpoides) which occurs east of the Cascade mountains in Washington, Oregon, and south into the northeastern edge of California and the nearly identical Mazama pocket gopher (j_. mazama), which ranges throughout western Oregon and into north central California (13). Pocket gopher damage is best known to agriculturalists who for many years have suffered losses to root, hay, fruit, and bulb crops, as well as damage to irrigation canals (23). …


Control Of Freshwater Fish With Chemicals, Robert E. Lennon Mar 1970

Control Of Freshwater Fish With Chemicals, Robert E. Lennon

Vertebrate Pest Conference Proceedings: 4th (1970)

Fish toxicants have been used for nearly 60 years by sport fishery managers to remove predaceous or competing fishes from gamefish waters. The reclamation of lakes and streams by poisoning unwanted fish is considered to be one of the better management tools, and the demand for reclamations is increasing as more waters come under intensive management. Many chemicals have been tried as fish toxicants, but the insecticides rotenone and toxaphene have been most widely used despite their disadvantages of non-selectivity between wanted and unwanted fishes, persistence in water, and toxic effects on aquatic invertebrates. Research in the past 20 years …


Reproduction Inhibitors For Bird Control, M. R. Woulfe Mar 1970

Reproduction Inhibitors For Bird Control, M. R. Woulfe

Vertebrate Pest Conference Proceedings: 4th (1970)

Reproduction inhibitors are intended to maintain or control a population at a desired level; toxicants aim at elimination of the population. Azocosterol hydrochloride (SC-12937; 20,25-diazocholestenol dihydrochloride) is a long acting inhibitor of ovulation in the pigeon (Columba liyia) by interfering with cholesterol synthesis and egg yolk formation. Corn impregnated with SC-12937 at the 0.1% level by weight and fed for 10 days has been found to inhibit or diminish reproduction for 5-6 months. Population turnover rate, mortality and longevity of the feral urban pigeon are also discussed.


The Prairie Naturalist Volume 2, No. 1. March, 1970 Mar 1970

The Prairie Naturalist Volume 2, No. 1. March, 1970

The Prairie Naturalist

EDITORIAL: Speaking of Ecologists ▪ Paul B. Kannowski

NEEDED: AN ETHICAL BASIS FOR ENVIRONMENTAL POLICY ▪ Gordon L. Iseminger

THE POPULATION PARADOX ▪ Gary L. Pearson

THE ENVIRONMENTAL CRISIS—A CALL TO ACTION ▪ Glen A. Sherwood

NORTH DAKOTA—1970 ▪ Philip B. Aus


Water Resources News, Volume 2, No. 2, February 1970 Feb 1970

Water Resources News, Volume 2, No. 2, February 1970

Water Current Newsletter

Evaporation Reduction
National Science Foundation Announces a New Program
The Universities and Environmental Quality
Guidelines Will Be Issued for Federal Programs Affecting the Environment
Conservation and the Environment - Big Political Issue?
National Land Use Policy Act of 1970
The Safety of Community Water Supply Systems
River System Engineering - Summer Short Course
OWRR Holds Fifth Annual Water Resources Research Conference
Environmental Health Service Organized at HEW
Algae-Eating Fish - A Possible Way to Control Eutrophication?
Resources for the Future Considerse Non-Monetary Benefits for Conservation Goals
Agreement to Require Discharges of Wastes Into the Nation's Waterways to Reveal Their Pollution …


Reducing Evaporation From Farm Dams : A Progress Report December 1969, I A F Laing Jan 1970

Reducing Evaporation From Farm Dams : A Progress Report December 1969, I A F Laing

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

IN most seasons in the Western Australian Wheatbelt evaporation reduction techniques rate a low priority due to either the expense or the relative inefficiency of the techniques.

It is generally agreed that a similar investment in deepening or enlarging existing dams, or making new dams larger from the outset, is likely to be more profitable.


Concentration Of Co, In The Air Above A Sugar Beet Field, K.W. Brown, Norman J. Rosenberg Jan 1970

Concentration Of Co, In The Air Above A Sugar Beet Field, K.W. Brown, Norman J. Rosenberg

School of Natural Resources: Faculty Publications

The concentration of CO, in air sampled above a sugar beet crop was measured during July, August, and early September 1966 at Scottsbluff, Nebr. During July the mean daytime concentration decreased from 310 ppm to 283 ppm as the leaf area index increased from 0.8 to 4.0. Only small deviations from the mean daytime Concentration of 283 ppm occurred during the remainder of the season. The mean nocturnal concentration during this period was 320 ppm and was more variable than the daytime concentration. The daily amplitude of concentration averaged 70 ppm and was as great at times as 100 ppm. …


The Baker Ranch: Glen Canyon National Recreation Area: A History, Lenard E. Brown Jan 1970

The Baker Ranch: Glen Canyon National Recreation Area: A History, Lenard E. Brown

Elusive Documents

No abstract provided.


The Growing Season, Department Of Agriculture, Western Australia, Bureau Of Meteorology Jan 1970

The Growing Season, Department Of Agriculture, Western Australia, Bureau Of Meteorology

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

IN AUSTRALIA the seasons of summer, autumn, winter and spring do not have the importance that they have in the Old World, and though summer and winter weather are quite different, there is not the obvious difference in autumn and spring conditions that there is in the colder countries.

This is largely due to the difference in vegetation and in its life cycle in the different places.


Supplying Wood Products For More People - A Challenge To The Forest Industry, John A. Segur, F. Bruce Lamb, Basil E. Allen Jan 1970

Supplying Wood Products For More People - A Challenge To The Forest Industry, John A. Segur, F. Bruce Lamb, Basil E. Allen

Yale School of the Environment Bulletin Series

No abstract provided.