Data from: Understanding the contribution of habitats and regional variation to long-term population trends in tricolored blackbirds

Graves EE, Holyoak M, Kelsey TR, Meese RJ

Date Published: July 22, 2013

DOI: http://dx.doi.org/10.5061/dryad.8vc80

 

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Title Graves_et_al_data1 (full data except geographical regions)
Downloaded 63 times
Description Data sources are described in the published paper. Data file contains headers and 1964 other rows (total of 1965 rows). Missing values are indicated by NULL. Variable names: descriptions. County: text of county name. observation_date: month/day/year for original observation. location_name: text name given to the location in the Tricolored Blackbird Portal (http://tricolor.ice.ucdavis.edu). observer: text for observer’s name. bird_count: integer for the total number of birds reported. primary_substrate: text name the breeding substrate listed in the record as either the dominant kind of vegetation or the first listed kind. NULL indicates no data were available. secondary_substrate: text name for a second or less common breeding substrate listed in the record. NULL indicates no data were available, which is the case for the majority of records because only a single substrate was recorded in the record. Colony: yes or no for whether the record comes from a breeding colony or not. NULL indicates it was not clear and the data were therefore omitted from breeding colony analyses.
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Title Graves_et_al_data2 (has geographical regions but no observer names or secondary substrates)
Downloaded 26 times
Description Data file contains headers and 1964 other rows (total of 1965 rows). Missing values are indicated by NULL. Variable names: descriptions. Region: Text name for geographical regions of the state corresponding to Figure 2(c) in Graves et al. (2013). observation_date: month/day/year for original observation. location_name: text name given to the location in the Tricolored Blackbird Portal (http://tricolor.ice.ucdavis.edu). bird_count: integer for the total number of birds reported. primary_substrate: text name the breeding substrate listed in the record as either the dominant kind of vegetation or the first listed kind. NULL indicates no data were available. Colony: yes or no for whether the record comes from a breeding colony or not. NULL indicates it was not clear and the data were therefore omitted from breeding colony analyses.
Download Graves_et_al_data2.csv (154.3 Kb)
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When using this data, please cite the original publication:

Graves EE, Holyoak M, Kelsey TR, Meese RJ (2013) Understanding the contribution of habitats and regional variation to long-term population trends in tricolored blackbirds. Ecology and Evolution 3(9): 2845–2858. http://dx.doi.org/10.1002/ece3.681

Additionally, please cite the Dryad data package:

Graves EE, Holyoak M, Kelsey TR, Meese RJ (2013) Data from: Understanding the contribution of habitats and regional variation to long-term population trends in tricolored blackbirds. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.8vc80
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