Identifying Invasive Species (image) Virginia Tech Share Print E-Mail Caption A volunteer participates in a BioBlitz at Rocky Mountain National Park. BioBlitz events (an intensive field study in an area usually over 24 hours) can be helpful for identifying the presence of invasive species in national parks. Credit Photo courtesy of the National Park Service Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.