Monitoring bird populations by point counts /
Saved in:
Format: | Texto biblioteca |
---|---|
Language: | d |
Published: |
Albany, Calif. : U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station,
1997
|
Subjects: | BIRD POPULATIONS-CONGRESSES, BIRDS, PROTECTION OF-UNITED STATES-CONGRESSES, BIRDS-ENVIRONMENTAL ASPECTS-UNITED STATES-CONGRESSES, BIRDS-COUNTING-CONGRESSES, Ralph, C. John., Sauer, John R., Droege, Sam., Pacific Southwest Research Station., Symposium on Monitoring Bird Population Trends by Point Counts (1991 : Beltsville, Md.), |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|