Fort Collins Science Center
Data and Tools
Our interdisciplinary, integrated science teams develop various data sets and tools in support of the USGS mission areas. These tools then aid natural resource managers in decision making and support of the complex issues they face in today's world.
Migrating Bird Survey Data along the San Pedro River and its Tributaries, Southeastern Arizona, 1989-1994
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...