共 25 条
[1]
Tidal marshes: Home for the few and the highly selected. Greenberg R. Studies in Avian Biology . 2006
[2]
Evaluation of four methods for estimating parrot population size. Casagrande DG,Beissinger SR. The Condor . 1997
[3]
Bird Ecology and Conservation. Sutherland WJ,Newton I,Green RE. Oxford University Press . 2004
[4]
Bird census techniques. CJ Bibby,ND Burgess,DA Hill,SH Mustoe. . 2000
[5]
SPSS for Windows,Release12.0.0. SPSS Inc. . 2003
[6]
A comparison of species counts and density estimates derived from area searches,line transects and point counts in the jarrah forest of southwestern Australia. Craig MD. Corella . 2004
[7]
Comparison of line-transectspot-map, and point-count surveys for birds in riparian habitats of the Great Basin. Dobkin,D.S.,Rich,A.C. Journal of Field Ornithology . 1998
[8]
A comparison of three avian census methods. Edwards DK,Dorsey GL,Crawford JA. Studies in Avian Biology . 1981
[9]
Assess-ment of avian populations in Kansas tallgrass prairie land-scape:two survey methods compared. Robel RJ,Antholz SJ,Kemp KE,Runco CB. Transactions of the Kansas Academy of Science . 2000