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  • Date: 03/01/1976
    Resource Category: Peer-reviewed article
    Describes an instrument developed to quantitatively evaluate the participation levels of students on outdoor education activities. From photographs taken at two minute intervals, students are assigned values for their observed behaviors. The correlations of values assigned by several judges are shown. ... »
  • Date: 01/01/1976
    Resource Category: Project Descriptions
    The Annual Midwest Crane Count started in 1976 and currently covers 5 states. The primary purposes of the Crane Count are to help ICF monitor the abundance and distribution of cranes in the Upper-Midwest which helps with crane research as well as introducing people to cranes and their natural environment. In the 1930's, an estimated 25 pairs of ... »
  • Date: 01/01/1976
    Resource Category: Project Descriptions
    A North American survey of the abundance and distribution of birds that visit feeders in winter. ... »
  • Date: 01/01/1900
    Resource Category: Project Descriptions
    The CBC database is the repository of early winter bird observations recorded since 1900. Currently there are over 2100 count circles submitted each year (as of 2008). The database provides information for compilers, regional editors, Audubon conservation staff, ornithologists, academic researchers, federal, state and local wildlife and land ... »