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In 2004 The Institute for Bird Populations (IBP) collaborated with personnel at Lewis and Clark National Historical Park to initiate a Park-wide inventory of landbirds. The goals of the inventory were to estimate habitat-specific density and park-wide abundance for a large suite of species, and to produce information that will assist park managers and cooperators in designing the park's long-term landbird monitoring program. Inventory of landbirds in Lewis and Clark National Historical Park tabular data, 2004. We used variable circular plot point counts to describe avian presence and abundance at specific points in a parkwide grid pattern. We recorded all species detected and the linear distance to each bird when first seen, date, time, and level of ambient noise. A journal was kept for each field day describing location (UTM coordinates), Pacific Meridian Resources habitat type (cover type), and elevation. At each point, vegetation was classified into one of 13 habitat types for the circular 50 m radius plot centered at the point count survey point. Data from this rapid characterization included aspect, slope, vegetation cover (herbaceous, shrub, and tree), and densiometer readings recorded along 20 m transects in the 4 cardinal directions. An additional inventory was conducted in 2006 to include new lands aquired by LEWI. These data are not included in this tabular data set but the species documented are listed in the 2006 LEWI Landbird Inventory report (Data Store reference code 643960). See README file with tabular data distribution package below.

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Format	Description	Link
55	Original FGDC metadata used to create this reference. Be aware that some of the fields, including file paths, may be out of date. This file should only be used for understanding additional documentation that is not already managed by Data Store	https://irma.nps.gov/DataStore/DownloadFile/535057?Reference=1041748
57	LEWI landbird inventory tabular data: NCCN_Landbirds_BDa05_2004_DISTRIBUTION.zip	https://irma.nps.gov/DataStore/DownloadFile/370360?Reference=1041748
47		https://irma.nps.gov/DataStore/DownloadFile/524892?Reference=1041748

Landbird Inventory for Lewis and Clark National Historical Park tabular data

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