@article{b4b27fc8446a4b70b4c33be704beeeb6,
title = "Nature{\textquoteright}s notebook—a tool for recording the timing of seasonal activity of plants and animals",
author = "Posthumus, {Erin E.} and Miller, {Mark P.} and Theresa Crimmins",
note = "Funding Information: The USGS and the University of Arizona provide major support to the USA-NPN. The USA-NPN collaborates with the U.S. Fish and Wildlife Service, National Park Service, National Aeronautics and Space Administration, National Science Foundation, National Oceanic and Atmospheric Administration, and U.S. Forest Service, as well as hundreds of other management agencies, universities, botanical gardens, nature centers, and other organizations. All photographs by Brian F. Powell, used with permission.",
year = "2020",
doi = "10.3133/fs20203022",
language = "English (US)",
volume = "2020",
pages = "1--4",
journal = "U.S. Geological Survey Fact Sheet",
issn = "2327-6916",
publisher = "US Geological Survey",
number = "2020-3022",
}