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Assessment of Training Noise Impacts on the Red-Cockaded Woodpecker: 1999 Results; Final rept
| 题名： | Assessment of Training Noise Impacts on the Red-Cockaded Woodpecker: 1999 Results; Final rept |
| 作者： | Delaney, D. K.; Pater, L. L.; Hayden, T. J.; Swindell, L.; Beaty, T. |
| 关键词： | Birds; Ecology; Military facilities; Environmental impact; Environmental management; Environmental protection; Endangered species; Wildlife; Land areas; Noise(Sound); Nesting(Animals) |
| 摘要： | It is estimated that nearly a quarter of the remaining Red-cockaded Woodpecker (RCW) population resides on military installations in the southeastern United States. Such a close association has raised questions about the interaction between training and the conservation of Red-cockaded Woodpeckers on military land. Increased importance has been placed on determining how noise affects these species. This report presents second year results of a multiyear study to determine the effects of certain kinds of training noise on the endangered Red-cockaded Woodpecker. Preliminary data suggest that: measured levels of experimental noise from .50-caliber blank fire and artillery simulators did not affect RCW nesting success or productivity; Red-cockaded Woodpecker flush frequency increased as stimulus distance decreased, regardless of stimulus type; woodpeckers returned to their nests relatively quickly after being flushed; and noise levels in Red-cockaded Woodpecker nest cavities were substantially louder than levels recorded at the base of the nest tree. |
| 总页数： | 142p |
| 报告类型： | 科技报告 |
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