Coastal America Foundation Buzzards Bay, MA Climate Change Benchmarking

Howard Sanders 1955 Stations Buzzards Bay, Massachusetts

All CAF Benthic Stations in Buzzards Bay A-H Identified I-M in lab N-R 2014

0 to 2 % gravel in “Gravel” stations are Crepidula fornicata shell (retained on the gravel sieve in Grain Size Curves) in 2011/2012 C and E not as dominated with Crepidula, but dense Polygordius concentrations. (> Crepidula )= (> silt/clay)

Crepidula fornicata Common Slipper Shell

Massachusetts Office of Coastal Zone Management

1 to 5 = Water Quality Stations A to H – Benthic Stations 8 of Sanders 19 sorted and ID (triplicate Van Veen) Additional 5 sorted and in lab

Data logger every 15 minutes from Mid-May to Mid-October

Temperature Dissolved Oxygen Salinity (logged every 15 minutes) 21’ Center Counsel Taylor Point Marina

Occasional Water Grabs Fall Benthic Grabs

Video – Towed and ROV

Coastal America Foundation East Station DO mg/l 7/15/ mg/l 5/28/ mg/l 10/13/2013 YSI 85 HOBO logger data as compared to YSI 85 occasional profiles.

Crepidula fornicata Common Slipper Shell

0.04m² 10 cm deep triplicates Van Veen Grab

Going Forward: Mapping: - Compare recordable Hydro (SIMRAD CHIRP/Structure scan?) to ROV - Compare Hydro to density (1000 to 2000 micron sieve) Ecology: -Predators? - Fish stomach content -Seasonal growth/stacking -Caged growth? Chemistry: -Increase N+P Sampling -Increase TSD profiles and benthic pH Geology: -Cores to 1955 sand layer -Shell/fecal detritus/base layers -OTHER: …

Questions?