Datasets / Status of trumpeter swans in Alaska 1975: Rough draft


Status of trumpeter swans in Alaska 1975: Rough draft

Published By US Fish and Wildlife Service, Department of the Interior

Issued almost 10 years ago

US
beta

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Description

Direct comparison of the 1968 and 1975 survey figures is difficult because the 1975 survey covered four more habitat units, 81 more air miles and 64 more habitat Table 5. Tables 1 through 3 show actual sightings for each year. Table 5 shows some adjusted figures that suggest a population trend.