One harvester hopes for herring eggs

Leonty Williams grew up harvesting herring eggs. He says subsistence is in his blood. (Photo by Emily Russell/KCAW)
Every spring millions of herring return to spawn in Sitka Sound.
The small, silvery fish are prized by commercial fishermen, who sell them for  their eggs, known as herring roe.
Those eggs also are coveted by the Tlingit people, who harvest them by anchoring hemlock branches in shallow waters where herring spawn.
Many are saying the herring is being threatened: by environ