top of page



Vector Borne Diseases 

The increased incidence and the relationship of tick-borne disease and climate  change are a well-documented result of warmer winters and wetter summers over the past 20 years.

Tick pressure on deer populations and on the “ghost moose” has been on the rise as a result of winter infestation.  The increase in tick incidences has led to the deterioration of moose health due to blood loss and loss of fur that maintains thermal insulation of this culturally important species and Maine icon.  Deer and moose have been a primary food source for many tribal hunters and their families during the winter months. This reliance is threatened by an overall increase in mortality rates of the female moose along with a decrease in reproductive capacity due to anemia.  As many as 5,000 ticks have been counted on a recent kill by indigenous hunters.

DISCOVER MORE | Suggested topics


The Maine Climate Science Portal was envisioned and developed by Maine Climate Action Now. Content development, to date, has been a largely-volunteer effort. Click here to see a full list of contributors.

Do you have feedback on this resource? Share your feedback in this form.

Portal designed by Lights Out Art Consulting LLC

bottom of page