UNT Libraries Government Documents Department - 134 Matching Results

Search Results

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.
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.
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.
A Biological Survey of North Dakota
Summary of physiography and life zones and mammals of North Dakota.
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."
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.
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."
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.
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."
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.
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.
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.
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,
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."
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.
An Account of the Taxonomy of North American Wolves From Morphological and Genetic Analyses
Taxonomy, genetics, morphometrics of North American wolves.
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).
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."
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.
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.
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."
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.
Sacramento-San Joaquin Delta Fishery Resources : Effects of Tracy Pumping Plant and Delta Cross Channel
Biological investigations of king salmon, striped bass, and shad, water flow in relation to fish populations in the Sacramento - San Joaquin Delta.
Coastal Waterbird Colonies: Cape Elizabeth, Maine to Virginia
"This report describes colony distribution, species abundance, historical trends, nesting chronology, and census techniques for 28 species of seabirds and wading birds from Cape Elizabeth, Maine to the Virginia-North Carolina border" (p. iv).
Atlas of Western Surface-Mined Lands Coal, Uranium, and Phosphate
Atlas of surface mines in excess of 10 acres in operation prior to 1976 in the 11 western contiguous states plus North Dakota and South Dakota.
Duck Production Studies on the Prairie Potholes of South Dakota
From introduction: "Determine the extent, distribution, and numbers of small water areas formerly and now present in the prairie pothole region of the Dakotas and Minnesota; to determine their importance to wildlife, the factors bringing about their disappearance, and to develop, if possible, methods for their preservation, if that appears warranted."
Birds of the St. Croix River Valley: Minnesota and Wisconsin
Summary of the birds of the St. Croix River Valley, including descriptions of each species' migration status and times of year, nesting season distribution, and habitat.
Ecology and Biology of the Pacific Walrus, Odobenus Rosmarus Divergens Illiger
Pacific walrus is summarized, including distribution and migrations by month, general morphology and growth, skin and hair, dentition, food and feeding behavior, reproduction, morbidity and mortality, and population.
The Death Valley Expedition: A Biological Survey of Parts of California, Nevada, Arizona, and Utah, Part 2
Collection of reports on Death Valley, the bordering region of California, Nevada, Arizona, and Utah. Reports include birds, reptiles and Batrachians, fishes, insects, mollusks, trees and shrubs, cactuses and yuccas, and list of localities in the reports.
Liming of Acidified Waters: A Review of Methods and Effects on Aquatic Ecosystems
Report discussing acid deposition in surface waters and the resulting effects on wildlife. The report suggests using lime in order to counteract this acidification, and mentions the potential hazards of doing so.
Spawning Areas and Abundance of Chinook Salmon (Oncorhynchus tshawytscha) in the Columbia River Basin: Past and Present
From abstract: Important Chinook salmon spawning areas are listed and charted in this report according to their past use and present use.
Spawning Areas and Abundance of Steelhead Trout and Coho, Sockeye and Chum Salmon in the Columbia River Basin--Past and Present
Partial abstract: "Past spawning areas (those removed from use before 1969) and present ones (those in use in 1969) are described for steelhead trout, Salmo gairdneri; coho salmon, Oncorhynchus kisutch; sockeye salmon, O. nerka; and chum salmon, O. keta" (p. 1).
Energy Related Use Conflicts for the Columbia River Estuary, Volume 1: Text
Report that "provides a narrative description of projected energy development and describes the biological characteristics of fish and wildlife and their habitats, and gives a critique of potential environmental impacts, and measures of protection and mitigation" (p. iii)
The Pocket Gophers (Genus Thomomys) of Arizona
Distributional study of the pocket gophers of Arizona, including economic status and species and subspecies.
Raccoons of North and Middle America
Summary of the raccoons of North and middle America, including history, habits, economic status, pelage and molt, measurements, and subgenera.
Revision of the Spiny Pocket Mice: (Genera Heteromys and Liomys)
From introduction: "Result of a study of the spiny pocket mice in the collection of the Biological Survey, now numbering nearly 1,000 specimens, supplemented by about 130 in the United States National Museum and from various sources."
Revision of the Wood Rats of the Genus Neotoma
From introduction: "Result of a study of the wood rats in the collection of the Biological Survey, numbering over 3,000 specimens, including topotypes of most of the species."
The Rice Rats of North America (Genus Oryzomys)
Discusses habits, economic status, morphology, variation, history, and specimens of North American rice rats. Provides a key and descriptions for species and subspecies.
National Coastal Ecological Research : Existing and Proposed Energy Developments
The purpose of this report is to compile existing information about energy developments in the coastal zone. Information was gathered on existing and proposed energy developments in order to allow some assessment of future impacts in the coastal zone from energy-related developments.
A Systematic Account of the Prairie Dogs
Discusses distribution, habits, economic status, predators, nomenclature, specimens, and pelages of prairie dogs. Describes, lists locations, and provides a key for species and subspecies.
A Systematic Synopsis of the Muskrats
From introduction: "Systematic account of the genus Fiber through study of over 1,000 specimens, chiefly well-prepared skins, accompanied by skulls, together with many odd skulls and skeletons."
Atlas of Coal/Minerals and Important Resource Problem Areas for Fish and Wildlife in the Conterminous United States
This atlas highlights areas in the conterminous United States of potential concern involving coal and minerals development activities and fish and wildlife resources, in particular the Important Resource Problem Areas (IRPs) designated in 1980 by the U.S. Fish and Wildlife Service (FWS) as areas of emphasis in policy making.
Revision of the American Lemming Mice (Genus Synaptomys)
Brief summary of the geographic distribution, habits, history, and subgenera of Synaptomys.
Voles of the Genus Phenacomys
Nests, young, food, habits, and enemies of the voles of the genus Phenacomys.
A Biological Survey of Alabama
Booklet describing the biology of Alabama in two sections: (1) physiography and life zones, and (2) mammals. It also includes an annotated species list of mammals, bibliography, and index starting on page 81.
Revision of the American Chipmunks: (Genera Tamias and Eutamias)
Brief summary of the geographic distribution, life history, and subgenera of genera Tamias and Eutamias.
Revision of the American Flying Squirrels
Habits, voice, nests, breeding, food, economic status, pelage and molt, and descriptions of species and subspecies of the American flying squirrels.
Revision of the American Harvest Mice: (Genus Reithrodontomys)
Discusses history, specimens, habits, economic status, food, and pelages of American harvest mice. Lists locations and provides a key to species and subspecies, and provides species descriptions.
Revision of the American Marmots
Discusses history, nomenclature, common names, habits, external characters, and specimens of American marmots. Describes, lists locations, and provides a key to species and subspecies.
Revision of the American Pikas (Genus Ochotona)
Discusses distribution, habitat, habits, pelage, molt, specimens, history, and nomenclature of pikas. Provides descriptions, locations, and a key for species and subspecies.