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Filtering by: Creator Sumalde, Zenaida M. Remove constraint Creator: Sumalde, Zenaida M. Decade 1980-1989 Remove constraint Decade: 1980-1989

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  • A guide to the bird notes of Grace McCormac French of Yamhill County, Oregon

    Creator:
    Bayer, Range D., 1947-
    Abstract:
    This monograph gives a brief biography of Grace McCormac French (1881- 1957), who was the "Bird Woman" of the Carlton and Dayton area in Yamhill County from about 1925 to her death. She wrote articles for newspapers, gave talks on radio stations, and spoke at many clubs about birds and...
    Resource Type:
    Book
    Full Text:
    Bird Notes of Grace M cC o r mac French of Yamhill County, Oregon Range D. Bayer SWALLOWS ARE BACK

  • Reed Ferris' 1930-1943 bird banding records and bird observations for Tillamook County, Oregon

    Creator:
    Bayer, Range D., 1947- and Ferris, Reed William, 1901-
    Abstract:
    This monograph gives a brief biography of Reed W. Ferris and discusses his vocational and avocational work at the Beaver cheese factory in Tillamook County, Oregon. From 1930 to 1943, Ferris banded nearly 33% of the birds banded along the Oregon coast that were later recovered. Ferris banded 8,000 seabirds...
    Resource Type:
    Book
    Full Text:
    had contact with other bird banders along the Pacific Coast, especially gull banders such as Mrs. M

  • Waterbird and mammal censuses at Siuslaw Estuary, Lane County, Oregon

    Creator:
    Bayer, Range D., 1947- and Lowe, Roy W., 1953-
    Abstract:
    At the Siuslaw Estuary or some adjacent areas, U. S. Fish and Wildlife Service (USFWS) Biologists John Annear, John Cornely, and Roy Lowe conducted 67 censuses; Maureen Woolington made 90 censuses, and Range Bayer completed 429 censuses. Unfortunately, these censuses do not give a complete picture of the seasonality, abundance,...
    Resource Type:
    Book
    Full Text:
    --------------------------------------------- 27 3-M. Woolington's Area 5--------------------------------------------- 28 3-N. Woolington's Area 4

  • Records of bird skins collected along the Oregon coast

    Creator:
    Bayer, Range D., 1947-
    Abstract:
    In spite of imperfections, this monograph is useful in locating bird skins collected along the Oregon Coast that are stored in about 80 museums. This monograph lists over 11,000 records of skins for 279 bird species and 192 records of skeletons for 52 bird species. Each record includes the species,...
    Resource Type:
    Book
    Full Text:
    "Sex/Age" or "Class" column in this monograph: M=male F=female J=juvenile I=immature D=specimen in down

  • 1884-1923 Oregon coast bird notes in biological survey files

    Creator:
    Bayer, Range D., 1947-
    Abstract:
    The purpose of this work is to make available reports and letters for the Oregon Coast that were in the files of the Biological Survey and that are now in the files of the Biological Survey's successor, the U.S. Fish and Wildlife Service. I have changed outdated bird names to...
    Resource Type:
    Book
    Full Text:
    . The observers for these reports were Frank M. Plummer, Bernard J. Bretherton, and Grace McCormac

  • Foraging ecology of prairie falcons in northern California

    Creator:
    Haak, Bruce A.
    Abstract:
    Nine Prairie Falcons (Falco mexicanus) were radio-tagged in northern California during the spring and summer of 1976 and 1977 to study foraging behavior. The mean home range size for 3 males was 227.8 km²; largest portions of the home range were used during the incubation period. Shifts in foraging areas...
    Resource Type:
    Masters Thesis
    Full Text:
    424 m. Males flew shorter attack distances and, on the average, made fewer foraging attempts than

  • A steady-state model of ecological hierarchy

    Creator:
    Thompson, Grant Garrison
    Abstract:
    A generalized mathematical model of ecosystems is developed. The model begins with the general class of systems known as state-determined systems, in which the time-derivative of each state variable is a function of some subset of the set of all system state variables and .environmental parameters. A formal basis is...
    Resource Type:
    Dissertation
    Full Text:
    and m environmental variables: For 0 < k < n+1, define the k-dimensional subsystem isocline of x(i