Operation Grassland Community

Figure 3. Table and graph showing the results of the OBO member census from 1989 - 1996. The Estimated number of pairs is calculated using a simple correction factor: average number of pairs per responding member X total number of members

Year 1989 1990 1991 1992 1993 1994 1995 1996
Owl pairs reported 107 180 225 209 148 127 83 71
Number of member responses 50 131 180 205 229 227 230 199
Average number of pairs per responding member 2.14 1.37 1.25 1.02 0.65 0.56 0.36 0.36
Total number of members 50 131 194 214 230 237 243 244
Estimated number of pairs if all members responded 180.0 242.5 218.2 148.6 132.6 87.7 87.1

chart3.gif - 4.2 K

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Last Update: 11/19/96
Email: dscobie@awinc.com

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