• Organization: U.S. Environmental Protection Agency
• Updated: 2016-08-02T00:00:00.000+00:00

This figure shows how the length of ragweed pollen season changed at 11 locations in the central United States and Canada between 1995 and 2015. Data were provided by Dr. Lewis Ziska of the U.S....

• Organization: Department of the Interior
• Updated: 2020-08-12T00:00:00Z

This U.S. Geological Survey (USGS) data release consists of 20-minute evapotranspiration (ET) measurements/estimates for the time period September 15, 1993 to August 27, 1994. These data are...

• xml
• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2022-06-28

Individual values for all tables and figures 2 thru 9. This dataset is associated with the following publication: Farraj, A., B.L. Martin, M. Schladweiler, C. Miller, J. Smoot, W. Williams, A....

• xml

• Organization: Department of Agriculture
• Updated: 2025-11-21

This dataset includes data on the chemical, physical and biological traits of weed seeds of 11 arable weed species in relation to the persistence of these seeds in the soil seedbank within a...

• xls
• csv

• Organization: Department of the Interior
• Updated: 2024-04-17T00:00:00Z

Inventory project as-delivered dataset.

• csv
• csv
• csv
• csv
• csv
• csv