| Downloadable | Tree Fall Color 2001-2003 | Metric testing for color and leaf drop | Develop an improved method for monitoring changes in percent color as leaves drop throughout the foliage season. | 2001-08-02 to 2003-10-28 |
| Downloadable | Tree Phenology 92-07 | color and leaf drop metrics | Annual measurements of tree phenology to establish the timing of developmental events and trends, especially as they relate to changes in weather or insect and disease occurrence. | 1992-07-28 to 2007-10-26 |
| Downloadable | Yearly Averages by Species of Fall Color Monitoring | Annual averages of fall color by species | Annual measurements of fall color to establish the timing of developmental events and trends, as a measure of forest condition (ie effects of stress events) and long-term changes (ie effects of global climate change). | 1991-01-01 (ongoing) |
| Downloadable | Yearly Averages by Species of Fall Leaf Drop Monitoring | Annual averages of fall leaf drop, by species | Annual measurements of leaf drop to establish the timing of developmental events and trends, as a measure of forest condition (ie effects of stress events) and long-term changes (ie effects of global climate change). | 1991-01-01 (ongoing) |
