In 2019, the Colorado Natural Heritage Program repeated Anderson (2001) density estimates for the entire milkvetch (Astragalus schmolliae) population on Chapin Mesa within Mesa Verde National Park (MEVE). A total of 197-100 x 10 m belt transects were established in 2001 (one year before a fire burned nearly 40% of the population) and repeated in 2019. Our observations present multiple hypothesis as to why the burned areas have become less favorable...

This report includes a summary of the results of the past ten years of population monitoring of targeted noxious weeds at the U.S. Air force Academy, emphasizing changes that were observed between 2013 and 2014.