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详细书目
| 文件类型: | 文章 |
|---|---|
| 所有的著者/提供者: | Theodore A Bookhout; Jeffrey R Stenzel |
| ISSN: | 0043-5643 |
| OCLC号码: | 481827089 |
| 语言注释: | English |
| 注意: | Fig. 1. Movement areas of breeding Yellow Rails during preincubation (males and females) and incubation (males), Seney NWR, Michigan, May-August 1980. Solid symbols connected by lines are male areas; open symbols connected by dotted lines are female areas; symbols of mated pairs are identical. N = nest, R = renest. Irregular areas are sand knolls. |
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摘要:
Four pairs of Yellow Rails (Coturnicops noveboracensis) were radiotracked (1039 locations) in May-August 1980 at Seney National Wildlife Refuge, Michigan, to identify characteristics of breeding habitat and its use by Yellow Rails. Vegetation at nesting sites was dominated by Carex lasiocarpa (>90% of basal stems) in wet sedge meadows, which comprised nearly 90% of the 30-ha study area. Water depth in the meadows was 20-30 cm in spring, but standing water was absent by mid-July. Male activity areas overlapped and averaged 7.8 ha (range = 5.8-10.5) during preincubation and incubation; areas used by females averaged 1.2 ha (range = 1.0-1.7) during preincubation but declined to 0.3 ha during incubation.
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