Late Bloom Index is live!
We are excited to unveil another new index of spring – the Late Bloom Index! The Late Bloom Index indicates when plants that bloom at the tail end of the season are flowering, effectively representing the end of the spring season. Read more
Introducing the Thermal Calendars tool
Temperature is an important factor governing when seasonal events happen in many plant and animal species. For many species, events like leaf-out, flowering, and egg hatch are triggered when a specific amount of heat has accumulated since the start of the year. We typically measure accu... Read more
Nature’s Notebook observations reveal clear changes in New Jersey
Global temperatures are increasing and the impacts are numerous and wide ranging. Temperatures have been rising at a particularly fast rate in the northeastern U.S., including many densely populated areas like New Jersey. To document environmental changes and better understand the impac... Read more
Download Nature's Notebook
Track seasonal changes in plants and animals throughout the year with Nature's Notebook.
To get started, download our Nature's Notebook app for Android or iPhone, or set up your account online.
