Monitoring bird populations by point counts /
Ralph, C. John
Monitoring bird populations by point counts / C. John Ralph; John R. Sauer; Sam Droege. - First Edition - iv, 181 pages : illustrations ; 28 cm. - General technical report PSW 149. .
"This volume contains in part papers presented at the Symposium on Monitoring Bird Population Trends by Point Counts, which was held November 6-7, 1991, in Beltsville, Md ..." Includes appendix (pages 169-175).
Includes bibliographic reference (pages 177-181).
Evaluation of Point Count Methods -- On- and Off-Road Comparisons -- Statistical Aspects of Desing and Analysis.
Bird populations
Birds--Conservation
Birds--Geographical distribution
Birds--Migration
Birds--Counting
Población de aves
Aves--Conservación
Aves--Distribución geográfica
Aves--Migración
Aves--Contando
598.1788
Monitoring bird populations by point counts / C. John Ralph; John R. Sauer; Sam Droege. - First Edition - iv, 181 pages : illustrations ; 28 cm. - General technical report PSW 149. .
"This volume contains in part papers presented at the Symposium on Monitoring Bird Population Trends by Point Counts, which was held November 6-7, 1991, in Beltsville, Md ..." Includes appendix (pages 169-175).
Includes bibliographic reference (pages 177-181).
Evaluation of Point Count Methods -- On- and Off-Road Comparisons -- Statistical Aspects of Desing and Analysis.
Bird populations
Birds--Conservation
Birds--Geographical distribution
Birds--Migration
Birds--Counting
Población de aves
Aves--Conservación
Aves--Distribución geográfica
Aves--Migración
Aves--Contando
598.1788