Use of Electricity in the Control of Sea Lampreys: Electromechanical Weirs and Traps and Electrical Barriers (open access)

Use of Electricity in the Control of Sea Lampreys: Electromechanical Weirs and Traps and Electrical Barriers

From abstract: An account is given of experiments conducted in 1951 and 1952 with electro-mechanical and electrical barriers for the blocking and/or capture of sea lamprey runs in tributary streams of northern Lake Huron and northern Lake Michigan.
Date: December 1952
Creator: Applegate, Vernon C.; Smith, Bernard R. & Nielsen, Willis L.
Object Type: Report
System: The UNT Digital Library
A Biologist's Manual for the Evaluation of Impacts of Coal-Fired Power Plants on Fish, Wildlife, and Their Habitats (open access)

A Biologist's Manual for the Evaluation of Impacts of Coal-Fired Power Plants on Fish, Wildlife, and Their Habitats

Manual containing material mean to aid in the review of environmental impact statements and environmental reports by biologists regarding coal-fired power plants.
Date: August 1978
Creator: Argonne National Laboratory. Division of Environmental Impact Studies.
Object Type: Report
System: The UNT Digital Library

Ecoregions of North America: After the Classification of J.M. Crowley

Color-coded map showing the ecoregions of North America, including the polar domain, humid temperate domain, dry domain, and humid tropical domain.
Date: June 1981
Creator: Bailey, Robert G.
Object Type: Map
System: The UNT Digital Library
A Biological Survey of North Dakota (open access)

A Biological Survey of North Dakota

Summary of physiography and life zones and mammals of North Dakota.
Date: December 1926
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library
Biological Survey of Texas (open access)

Biological Survey of Texas

From introduction: "Report on the biological survey of Texas conducted over a number of years through collection of information and specimens. Focus on life zones and their subdivisions and on the mammals and reptiles of the state."
Date: October 24, 1905
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library
Life Zones and Crop Zones of New Mexico (open access)

Life Zones and Crop Zones of New Mexico

Discusses geography, climate, agricultural practices, and crops of each life zone in New Mexico. Provides mammal, breeding bird, reptile, amphibian, and plant species list for each zone. Includes a life zone map.
Date: September 5, 1913
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library
The Mammals and Life Zones of Oregon (open access)

The Mammals and Life Zones of Oregon

From introduction: "Summary of the life zones and mammals of Oregon with emphasis on providing reliable information on the management of wildlife. Importance for identifying those species which are state and national assets, and those species of less value or destructive habits."
Date: 1936
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library
Mammals of New Mexico (open access)

Mammals of New Mexico

Summary of the species of mammals native to New Mexico, including a map of the life zones, descriptions of the physiographic features, and lists of characteristic zone-marking plants, birds, mammals.
Date: December 1931
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library
Revision of American Voles of the Genus Microtus (open access)

Revision of American Voles of the Genus Microtus

From introduction: "Synopsis of American voles based on a study of between 5,000 and 6,000 specimens from more than 800 localities."
Date: June 6, 1900
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library
Revision of the Pocket Gophers of the Genus Thomomys (open access)

Revision of the Pocket Gophers of the Genus Thomomys

Describes habits, predators, morphology, sexual variation, pelages, and distribution of pocket gophers. Describes genera and group relations. Describes, lists locations and distribution, and provides a key for species and subspecies.
Date: November 15, 1915
Creator: Bailey, Vernon
Object Type: Report
System: The UNT Digital Library
The Trumpeter Swan: its History, Habits, and Population in the United States (open access)

The Trumpeter Swan: its History, Habits, and Population in the United States

Summary of the trumpeter swan, including geographic distribution, habitats for breeding and wintering, life cycle, nesting, food, limiting factors, longevity, population dynamics, and human management.
Date: April 30, 1960
Creator: Banko, Winston E.
Object Type: Report
System: The UNT Digital Library
Gulf Coast Ecological Inventory: User's Guide and Information Base (open access)

Gulf Coast Ecological Inventory: User's Guide and Information Base

"The purpose of the User's Guide and Information Base report and the inventory maps is to establish the extent of natural resources, as well as their location and value"
Date: August 1982
Creator: Beccasio, Angelo D.
Object Type: Report
System: The UNT Digital Library
Lower Mississippi Valley Ecological Inventory: User's Guide and Information Base (open access)

Lower Mississippi Valley Ecological Inventory: User's Guide and Information Base

"The objective [of this report] is to produce an inventory of those important ecological along the lower Mississippi River on which siting of major industrial facilities and land clearing operations could have an impact."
Date: May 1983
Creator: Beccasio, Angelo D.
Object Type: Report
System: The UNT Digital Library
Some Biological Effects of Ditching Tidewater Marshes (open access)

Some Biological Effects of Ditching Tidewater Marshes

Just a century ago some 625,000 acres of salt, brackish, and freshwater marshes bordered the Atlantic coast from Maine to Virginia. As early as 1885, however, work was begun to reclaim for agriculture considerable acreages of the fresher tidal lands. This research was conducted to study the effects of marshland drainage on plants, wildlife and wildlife habitat.
Date: 1950
Creator: Bourn, Warren Scudder & Cottam, Clarence
Object Type: Report
System: The UNT Digital Library
The Distribution and Occurrence of the Birds of Jackson County, Oregon, and Surrounding Areas (open access)

The Distribution and Occurrence of the Birds of Jackson County, Oregon, and Surrounding Areas

Detailed descriptions of the species of birds of Jackson County, Oregon,
Date: 1975
Creator: Browning, M. Ralph
Object Type: Report
System: The UNT Digital Library
A Biological Survey of Colorado (open access)

A Biological Survey of Colorado

From introduction: "Report based chiefly on the field work prosecuted during 1905, 1906, 1907, and 1909. It is primarily a characterization of the several major distribution areas or life zones."
Date: August 17, 1911
Creator: Cary, Merritt
Object Type: Report
System: The UNT Digital Library
Life Zone Investigations in Wyoming (open access)

Life Zone Investigations in Wyoming

Characterizes five transcontinental life zones in Wyoming; defines their extent and limits; lists mammal, breeding bird, reptile, amphibian, and plant species; and provides notes on distribution and abundance of trees observed during the survey.
Date: October 3, 1917
Creator: Cary, Merritt
Object Type: Report
System: The UNT Digital Library
An Account of the Taxonomy of North American Wolves From Morphological and Genetic Analyses (open access)

An Account of the Taxonomy of North American Wolves From Morphological and Genetic Analyses

Taxonomy, genetics, morphometrics of North American wolves.
Date: October 2012
Creator: Chambers, Steven M.; Fain, Steven R.; Fazio, Bud & Amaral, Michael
Object Type: Report
System: The UNT Digital Library
Environmental Planning for Offshore Oil and Gas, Volume 1: Recovery Technology (open access)

Environmental Planning for Offshore Oil and Gas, Volume 1: Recovery Technology

Report that contains "technical information and develops an impact assessment system relating to the recovery of oil and gas resources beyond the three-mile territorial limit of the Outer Continental Shelf (OCS)" (p. i).
Date: March 1978
Creator: Clark, John; Zinn, Jeffrey A. & Terrell, Charles
Object Type: Report
System: The UNT Digital Library
Coal Project: Background Information (Planning and Management) (open access)

Coal Project: Background Information (Planning and Management)

From foreword: "This report presents summary information on coal development in the United States, and material on the potential interactions of that development with fish and wildlife resources."
Date: July 14, 1976
Creator: Coal Project (U.S.)
Object Type: Report
System: The UNT Digital Library
Coal Project: Five Year Framework (FY 1976 Through FY 1980) (open access)

Coal Project: Five Year Framework (FY 1976 Through FY 1980)

This document presents the total scope of the framework for the U.S. Coal Project during fiscal years 1976 through 1980. The project was initiated to provide information for appropriate involvement of the Fish and Wildlife Service in U.S. coal development actions.
Date: July 14, 1976
Creator: Coal Project (U.S.)
Object Type: Book
System: The UNT Digital Library
A Fishway that Shad Ascend (open access)

A Fishway that Shad Ascend

History and description of the Shad Run at Lawrence Fishway for purposes of design of fishways that will successfully pass shad.
Date: 1951
Creator: Collins, Gerald B.
Object Type: Report
System: The UNT Digital Library
Classification of Wetlands and Deepwater Habitats of the United States (open access)

Classification of Wetlands and Deepwater Habitats of the United States

From foreword: "This report represents the most current methodology available for wetland classification and culminates a long-term effort involving many wetland scientists."
Date: September 24, 1985
Creator: Cowardin, Lewis M.; Carter, Virginia; Golet, Francis C. & LaRoe, Edward T.
Object Type: Book
System: The UNT Digital Library
Mid-Pacific Oceanography, January Through March, 1950 (open access)

Mid-Pacific Oceanography, January Through March, 1950

Description of the Oceanographic Project and the results of the 1950 Winter Cruise of the Hugh M. Smith.
Date: July 1951
Creator: Cromwell, Townsend
Object Type: Report
System: The UNT Digital Library