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Using Shellfish Population Field Surveys to Inform Management Decisions. Quonochontaug Pond, RI. Donor Site. Transplant Site. Ninigret Pond. Ninigret Pond. Constas et al. 1980. Estimated Quahog Population = 5,241,309 Average Pond-wide Density = 1.12 clams/m 2.
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Using Shellfish Population Field Surveys to Inform Management Decisions Quonochontaug Pond, RI
Donor Site Transplant Site
Constas et al. 1980 Estimated Quahog Population = 5,241,309 Average Pond-wide Density = 1.12 clams/m2 The Nature Conservancy 2010 n = 126 Estimated Quahog Population = 3,316,412 Average Pond-wide Density = 0.98 clams/m2 SUBLEGAL 69.8% LEGAL 30.2% 47 mm 72 mm 88 mm LITTLENECKS 78.9% CHERRYSTONES 18.4% CHOWDERS 2.6% FREQUENCY SHELL LENGTH (mm) LENGTH FREQUENCY OF QUAHOGS IN NINIGRET POND
The Nature Conservancy 2010 Constas et al. 1980 QUAHOG DENSITY BY SUBSTRATE