Table 1 Data inputs used in this study.
From: Putting pesticides on the map for pollinator research and conservation
Description (units) | Source(s) | Scope & resolution |
|---|---|---|
Pesticide use (kg) | USGS Pesticide National Synthesis Project: https://water.usgs.gov/nawqa/pnsp/usage/maps/county-level/ | >500 pesticide active ingredients |
Seed treatments excluded after 2014, and in California in all years | ||
Estimates for ten crops or crop groups and the 50 contiguous states in the US | ||
Annual (1992–2017) | ||
Pesticide use (kg, kg/ac on treated acres; % acres treated) | USDA Agricultural Chemical Use Survey: https://quickstats.nass.usda.gov/ | Major crops and pesticides |
Seed treatments excluded in all years | ||
State, regional, and national resolutions | ||
Annual for major crops and production areas; sporadic for minor crops (1990–2019) | ||
Crop area (acres) | US Census of Agriculture: https://www.quickstats.nass.usda.gov/ | All crops |
County, state, and national resolutions | ||
Every five years (1997, 2002, 2007, 2012, 2017) | ||
USDA NASS Survey: https://www.quickstats.nass.usda.gov/ | Major crops | |
State, regional, and national resolutions | ||
Annual for major crops and production areas; sporadic for minor crops (1990–2017) | ||
Honey bee acute toxicity (LD50, usually in µg/bee) | EPA ECOTOX Database: https://cfpub.epa.gov/ecotox/ | Wide range of toxicological measurements reported in the dataset |
PPDB: Pesticides Properties Database: https://sitem.herts.ac.uk/aeru/ppdb/en/ | Wide range of toxicological measurements reported in the dataset | |
Land use/Land cover | USDA Cropland Data Layer: https://nassgeodata.gmu.edu/CropScape/ | Dozens of crop species and seven non-agricultural land cover classes for the contiguous US |
30–56 m resolution | ||
Annual (2008–2020 for entire US; some states go back to early 2000s) |
