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Data files in this data series represent migrating bird count and habitat information collected during 1989, 1991, 1993, and 1994 field seasons at 13 riparian sites along the San Pedro River and its tributaries in southeastern Arizona, USA. At each site observations were made at up to 20 points, separated by 100 m arrayed along the riparian zone. Observation periods started at 20 minutes after sunrise, lasted for 7 minutes at each point and were completed within 4 hours. Bird detection and species identification were based on visual sighting, song, and call. Recorded observations were the number of individuals of each detected species detected using each detection method at each point and site within specified distance...
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The Soil Survey of Santa Cruz and Parts of Cochiseand Pima Counties, Arizona, a product of the USDASoil Conservation Service and the Forest Service incooperation with the Arizona Agricultural ExperimentStation, released in 1979, was created according tothe site conditions in 1971, when soil scientistsidentified soils types on aerial photographs. Thescale at which these maps were published is 1:20,000.These soil maps were automated for incorporation intothe hydrologic modeling within a GIS. The aerial photosonto which the soils units were drawn had not beenorthoganalized, and contained distortion. A total of 15maps composed the study area. These maps were scannedinto TIFF format using an 8-bit black and white drumscanner...


    map background search result map search result map Digital soils survey map of the Patagonia Mountains, Arizona Migrating Bird Survey Data Along the San Pedro River and its Tributaries, Southeastern Arizona, 1989-1994 Digital soils survey map of the Patagonia Mountains, Arizona Migrating Bird Survey Data Along the San Pedro River and its Tributaries, Southeastern Arizona, 1989-1994