A Comparison of Bird Detection Rates Derived from On-Road versus Off-Road Point Counts in Northern Montana
作者： Richard L. Hutto , Jeffrey F. Kelly , Sallie J. Hejl , Sandra M. Pletschet
DOI:
关键词:
摘要: … to be used to monitor bird populations, we … birds mirror those of off-road bird populations. While it may be difficult, if not impossible, without long-term data sets to compare trends of bird …
参考文章(0)