1. Using Shellfish Population Field Surveys to Inform Management Decisions Quonochontaug Pond, RI

2. Donor Site Transplant Site

3. Ninigret Pond

7. Constas et al. 1980 n = 126 SUBLEGAL 69.8%LEGAL 30.2% LITTLENECKS 78.9% CHERRYSTONES 18.4% CHOWDERS 2.6% 47 mm72 mm88 mm SHELL LENGTH (mm) FREQUENCY The Nature Conservancy 2010 LENGTH FREQUENCY OF QUAHOGS IN NINIGRET POND Estimated Quahog Population = 5,241,309 Average Pond-wide Density = 1.12 clams/m 2 Estimated Quahog Population = 3,316,412 Average Pond-wide Density = 0.98 clams/m 2

8. QUAHOG DENSITY BY SUBSTRATE Constas et al. 1980 The Nature Conservancy 2010

12. DISCUSION OF MANAGEMENT IMPLICATIONS

13. Questions?