Concepts

Number of days from autumn snow onset to spring snowmelt, providing temperature stabilization and protection for overwintering organisms

Temperature accumulation metric calculated using averaging method with base temperature, used to predict insect phenology and plant development

The tendency for related species to resemble each other more than expected by chance, measured by Blomberg's K and Pagel's lambda

The measure of seed quality based on embryonic development and potential for successful germination

The degree to which individuals in a population exhibit coordinated timing of nesting activity

Day of year from 1-365 used to measure timing of biological events

Graph showing the number of open flowers over time, describing temporal distribution of flower openings with properties like start date, end date, mean date, breadth, and skewness

The number of weeks during a growing season when both pollinators and their floral resources are active and available