Harvard Forest > Schoolyard LTER Database

Schoolyard LTER Database

Hemlock Woolly Adelgid

Select a different: project

Detailed data include tree health, presence of wool, number of eggs, and branch tip growth for individual trees. Summary data include presence of wool, number of eggs, and branch tip growth for the site.

PLEASE SELECT A GRAPH TYPE:

• Detailed data from a single site

• Summary data from one or more sites