Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/10176222 |
| 报告编号 | PNL--9987 |
| 来源ID | OSTI_ID: 10176222 |
| Ferruginous hawks on the Yakima Training Center | |
| Mazaika, R.; Cadwell, L.L. | |
| 英文摘要 | Habitat quality for ferruginous hawks (Buteo regalis) is largely determined by availability of nest sites and adequate prey base. A limitation of one of these will limit the number of hawks in an area. In general, ferruginous hawks are adaptable to various nesting substrates and will nest in proximity to other closely related sympatric species (e.g., red-tailed hawk, Swainson`s hawk). This analysis focused on an assessment of prey base availability and habitat disturbance in the vicinity of historic nest sites and small mammal trap sites on the Yakima Training Center (YTC) in Washington State. The primary ground-disturbing activities on the YTC are associated with military training, fire, and grazing. In addition to the direct effect these activities can have on ferruginous hawks, indirect effects may result from changes in composition, density, and structure of vegetation that subsequently alter faunal population numbers and species diversity. A summary of results of small mammal trapping, population estimation, vegetative analysis and disturbance rating at seven trap sites during the time period of June through August of 1993 are presented. |
| 出版年 | 1994 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 59 BASIC BIOLOGICAL SCIENCES ; MILITARY FACILITIES ; ENVIRONMENTAL QUALITY ; BIRDS ; ECOLOGY ; BIOLOGICAL INDICATORS ; ENVIRONMENTAL IMPACTS ; PREDATOR-PREY INTERACTIONS ; POPULATION DENSITY ; HABITAT ; WILD ANIMALS 550100 ; BEHAVIORAL BIOLOGY |
| URL | http://www.osti.gov/scitech/servlets/purl/10176222 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/265707 |
| 推荐引用方式 GB/T 7714 | Mazaika, R.,Cadwell, L.L.. Ferruginous hawks on the Yakima Training Center,1994. |
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