Deciding on a research question
Becky and Chuck chose eight streams in the Park for their baseline study: four in “pristine” hemlock forests with healthy trees, and four in “impacted” hemlock forests, where the hemlock woolly adelgid left stands of dead trees. They prepared to monitor any changes in species, number, and health of macroinvertebrates in the dying hemlock forest streams that could result from changing temperatures.
Conducting the study and changing course
In the field
Read about Early results.
Did You Know?
The wispy, smoke-like fog that hangs over the Smoky Mountains comes from rain and evaporation from trees. On the high peaks of the Smokies, an average of 85 inches of rain falls each year, qualifying these upper elevation areas as temperate rain forests. More...