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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Josh T Ackerman Roy E Petrakis Western Ecological Research Center Western Geographic Science Center U.S. Geological Survey More... Categories Data (1) Tag Types Theme (2) USGS Scientific Topic Keyword (2) Place (2) Harvest Set (2) Tag Schemes None (1) USGS Thesaurus (1) na (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

Watershed Pairing of Sub-Basins within Smith Canyon Watershed using a Hierarchical Clustering Approach This data release contains data used in an associated publication: Petrakis, R.E., Norman, L.M., Vaughn, K., Pritzlaff, R., Weaver, C., Rader, A., and Pulliam, H.R., 2021, Hierarchical Clustering for Paired Watershed Experiments: Case Study in Southeastern Arizona, U.S.A.: Water, v. 13, no. 21, p. 2955, https://doi.org/10.3390/w13212955. The overarching effects and benefits of land management decisions, such as through watershed restoration, are often not fully understood due to a lacking control within an experimental design. This can be addressed through the application of a paired watershed approach, allowing for comparison between treatment and control watersheds. We developed and applied a statistic-based... Tags: Arizona, Correlation Analysis, Environmental Health, Geography, Hierarchical Clustering, All tags... Land Use Change, Paired Watersheds, Patagonia, Arizona, Remote Sensing, Restoration, Santa Cruz County, Spatial Database Development, USGS Science Data Catalog (SDC), United States, Water Quality, Water Resources, Fewer tags Mercury Contamination of Red-legged Kittiwakes in the Western Subarctic Pacific Ocean This dataset contains mercury concentrations and locations of wintering red-legged kittiwakes in the western subartic Pacific Ocean. These data support the following publication: Fleishman, AB, RA Orben, N Kokubun, A Will, R Paredes, JT Ackerman, A Takahashi, AS Kitaysky, and SA Shaffer. 2019. Wintering in the Western Subarctic Pacific increases mercury contamination of red-legged kittiwakes. Environmental Science and Technology, in press. Categories: Data; Tags: Pacific Ocean, USGS Science Data Catalog (SDC), Wildlife Biology, biogeography, biota, All tags... birds, contaminant exposure, distribution, hierarchical clustering, isotopic analysis, marine isoscape, mercury contamination, mesopelagic predator, migration (organisms), non-breading, seabird, seabird sentinels, stable isotopes, western subartic, Fewer tags