摘要: Hawks Aloft, Inc. conducted surveys for the federally endangered Southwestern Willow Flycatcher (Empidonax traillii extimus) in 15 riparian areas in the San Luis Valley during the 2003 breeding season. Willow Flycatchers were dete... 展开
| 作者 | Stone, K. | ||
|---|---|---|---|
| 原报告号 | PB2014104797 | 总页数 | 139 |
| 主办者 | United States Fish and Wildlife Service | ||
| 报告分类号 | [57Z - Zoology48B - Natural Resource Management57H - Ecology] | ||
| 报告类别/文献类型 | PB / NTIS科技报告 | ||
| 关键词 | Birds Surveys Colorado Wildlife management Endangered species Riparian areas Habitats Site surveys Population Long-term monitoring Observations Migration Population trends Southwestern Willow Flycatcher('Empidonax traillii extimus') | ||
