Interannual overlap of duck telemetry locations in California during the fall-winter October-March of 2015-16, 2016-17, and 2017-18
Dates
Publication Date
2021-02-16
Start Date
2015-10-01
End Date
2018-02-28
Citation
Matchett, E.L., Overton, C.T., and Casazza, M.L., 2021, Classification of waterfowl habitat, and quantification of interannual space use and movement distance from primary roosts to night feeding locations by waterfowl in California for October - March of 2015 through 2018: U.S. Geological Survey data release, https://doi.org/10.5066/P922KDU6.
Summary
In this data set, records (rows) represent GPS locations of ducks marked with telemetry in California and whether locations were overlapping (within 300 m of) locations of marked ducks in other consecutive years (2015-16, 2016-17, and 2017-18) during October - March. Years 2015-16, 2016-17, and 2017-18 represented drought, non-drought, and non-drought, respectively. Matchett and company (2020; see Larger Work section for citation) summarized this data set in tables E3 and E4 to compare overlap of duck locations between consecutive years to investigate interannual habitat stability in relationship with drought, habitat management (daytime roosts and night feeding sites), and in two regions (Suisun Marsh and California except Suisun [...]
Summary
In this data set, records (rows) represent GPS locations of ducks marked with telemetry in California and whether locations were overlapping (within 300 m of) locations of marked ducks in other consecutive years (2015-16, 2016-17, and 2017-18) during October - March. Years 2015-16, 2016-17, and 2017-18 represented drought, non-drought, and non-drought, respectively. Matchett and company (2020; see Larger Work section for citation) summarized this data set in tables E3 and E4 to compare overlap of duck locations between consecutive years to investigate interannual habitat stability in relationship with drought, habitat management (daytime roosts and night feeding sites), and in two regions (Suisun Marsh and California except Suisun Marsh). Coincident use of space by ducks across years suggests that the landscape is relatively stable, in terms of where and when flooding occurs, or that birds are actively selecting those portions of the landscape that are consistently flooded even in drought years. We additionally thought that areas used in daytime relative to night would be more consistent across years because of reliable water management for sanctuaries on wildlife areas and national refuges used as daytime roosts. We also hypothesized that areas used in Suisun Marsh would be more consistent across years because water availability is less limited by drought in Suisun and most habitats are flooded each year. Data set columns refer to temporal and spatial attributes of locations in relationship with overlapping duck locations. Column 1 is Region (Suisun Marsh or California excluding Suisun Marsh) where locations were recorded, column 2 is Time of day (day or night) that locations were recorded, and column 3 is Year of use (2015-16, 2016-17, 2017-18) referencing a year's locations being compared with all locations recorded in the other two years. Columns 4-6 (Year 2015-16, Year 2016-17, Year 2017-18) reference the years being compared with Year of use to determine interannual overlap in space use.
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Telem year space use overlap,Waterfowl drought impact OFR.xml Original FGDC Metadata
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duck_location_overlap.csv
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Purpose
We leveraged a subset of telemetry data (years 2015-18) that was collected as part of a longer-term research project to analyze interannual space use by ducks and to better understand whether drought and water management may be influencing patterns of availability and related use of habitat on the landscape by ducks. Anticipated use of this data set is limited to assessment of interannual space use by ducks during months in fall-winter in California.
Rights
The authors of these data require that data users contact them regarding intended use and to assist with understanding limitations and interpretation. Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
