Arid
DOI10.2172/5201564
报告编号PNL-6493
来源IDOSTI_ID: 5201564
Bird associations with shrubsteppe plant communities at the proposed reference repository location in southeastern Washington
Schuler, C.A.; Rickard, W.H.; Sargeant, G.A.
英文摘要This report provides information on te seasonal use of shrubsteppe vegetation by bird species at the RRL. Bird abundance and distribution were studied at the RRL to ensure that the DOE monitored migratory bird species pursuant to the Migratory Bird Treaty Act and to assess potential impacts of site characterization activities on bird populations. Birds were counted on two transects that together sampled an areas of 1.39 km/sup 2/. The relative abundance of birds, species richness, seasonal distribution, and the association of breeding shrubsteppe birds with major vegetation types were determined from Janurary through December 1987. Only 38 species were counted during 82 surveys. Total bird density during the nesting season (March-June) was 42.96 birdskm/sup 2/ and the density for the entire year was 26.74 birdskm/sup 2/. The characteristic nesting birds in shrubsteppe habitats were western meadowlark, sage sparrow, burrowing owl, mourning dove, horned lark, long-billed curlew, lark sparrow, and loggerhead shrike. Western meadowlark and sage sparrows were the most abundant breeding birds with an average density of 11.25 and 7.76 birdskm/sup 2/, respectively. Seasonal distribution of birds varied with species, but most species were present from March to September. Distribution and abunandance of nesting birds were correlated with habitat type. About 63% of the habitat surveyed was sagebrush, 26% was cheatgrass, and 11% was spiny hopsage. Sagebrush habitat supproted a greeater total bird density than cheatgrass or hopsage habitats. Sage sparrows were closely associated with sagebrush habitats, while western meadowlarks showed no strong habitat affinities. 22 refs., 9 figs., 6 tabs
出版年1988
报告类型Technical Report
语种英语
国家美国
来源学科分类12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES ; 54 ENVIRONMENTAL SCIENCES ; BIRDS ; ABUNDANCE ; SPECIES DIVERSITY ; HANFORD RESERVATION ; COMPLIANCE ; HABITAT ; HIGH-LEVEL RADIOACTIVE WASTES ; NESTS ; PLANTS ; REGULATIONS ; SEASONAL VARIATIONS ; SITE CHARACTERIZATION ; UNDERGROUND DISPOSAL ; ANIMALS ; MANAGEMENT ; MATERIALS ; NATIONAL ORGANIZATIONS ; RADIOACTIVE MATERIALS ; RADIOACTIVE WASTES ; US DOE ; US ERDA ; US ORGANIZATIONS ; VARIATIONS ; VERTEBRATES ; WASTE DISPOSAL ; WASTE MANAGEMENT ; WASTES 052002* -- Nuclear Fuels-- Waste Disposal & Storage ; 510500 -- Environment, Terrestrial-- Site Resource & Use Studies-- (-1989)
URLhttp://www.osti.gov/scitech/servlets/purl/5201564
资源类型科技报告
条目标识符http://119.78.100.177/qdio/handle/2XILL650/263987
推荐引用方式
GB/T 7714
Schuler, C.A.,Rickard, W.H.,Sargeant, G.A.. Bird associations with shrubsteppe plant communities at the proposed reference repository location in southeastern Washington,1988.
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