Two top fisheries research scientists from South America will deliver a talk on sustainability in small-scale fisheries at the Chilmark Public Library this coming Monday, Oct. 12 at 3 p.m. Ana M. Parma and Jose Orensanz are research scientists working with the Argentine Council for Science and Technology and have both been chosen to participate in the prestigious Pew Fellows in Marine Conservation program. The talk is sponsored by the Menemsha Fisheries Development Fund and the Friends of the Chilmark Public Library. Admission is free. For details, call 508-696-9322.