Longtime HVNP volunteers spend retirement battling invasive species at park

Kelsey Walling/Tribune-Herald Paul Fields talks about the forest they are about to enter to remove invasive ginger during the Stewardship at the Summit program at Hawaii Volcanoes National Park.

Kelsey Walling/Tribune-Herald After lopping a bunch of invasive ginger, Jane Fields moves the cuttings during the Stewardship at the Summit program at Hawaii Volcanoes National Park.

Kelsey Walling/Tribune-Herald Jane Fields talks to a volunteer about the native plants that have regrown in the forest during the Stewardship at the Summit program at Hawaii Volcanoes National Park.

Kelsey Walling/Tribune-Herald Paul and Jane Fields stand together in the forest while leading the Stewardship at the Summit program last month at Hawaii Volcanoes National Park.

With the chirping songs of the oma‘o singing overhead, Jane, 80, and Paul Fields, 77, recently enjoyed another day of lopping ginger and learning about the forest in Hawaii Volcanoes National Park.