GATLINBURG, Tenn. — The fall crop that feeds bears in the Great Smoky Mountains National Park is unfazed by a persistent two-month drought in East Tennessee.

Trees in the Smokies are producing an abundance of acorns, a vital fall mast that keeps bears fat and happy.

"We have a lot of white oak acorns, as well as red oak acorns. So, it's going to be a good food year," said Bill Stiver, GSMNP supervisory wildlife biologist.

October is when bears are preoccupied with the food on the ground that allows them to pack on the pounds before winter. This time of year, Stiver said the animals are gaining three to five pounds per day.

Bill Stiver White Oak Acorn Bears Fall Mast Food Great Smoky Mountains
White oak acorn in the Great Smoky Mountains National Park.
WBIR

The plentiful supply of acorns means biologists also expect a rise in the bear population.

"Based on what we're seeing, there's a really good white oak acorn crop this year. Which is really what drives the bear population here. Usually, when we have a good white oak acorn crop, we're going to have a lot of recruitment, a lot of cubs born, and high survival," said Stiver.

The acorn crop is largely determined in the spring and summer, long before the drought that has plagued East Tennessee since mid-August. The spring of 2019 was one of the rainiest on record.

A bountiful crop of acorns reduces run-ins between humans and hungry bears that resort to roaming neighborhoods in search of food.

Black Bear Cub Mother Rainbow Falls Trail Great Smoky Mountains National Park
A black bear cub and mother feed on hard mast along Rainbow Falls Trail in the Great Smoky Mountains.
WBIR

"We don't see nearly as many conflicts during the month of October because of fall food.  If we were to have a mast failure or food failure, we would see a spike in conflicts again this month. And we're not seeing that," said Stiver.

A GPS study that tracked bears in the Great Smoky Mountains proved nearly all bears go outside the national park for food at different times of year.

RELATED: Feb. 19, 2019 - GPS study shows nearly all bears leave Smokies for food

With a predicted increase in the population, it is important for people and businesses to bear-proof trash containers and remove attractants from yards.

RELATED: Oct. 4, 2019 - Blount Co. man killed black bear that threatened his dog

RELATED: July 15, 2019 - New placemat teaches tourists bear safety