The sound also supports local commercial fishing, crabbing, shrimping, clamming, and oystering. Some areas of the bays allow clamming and crabbing. Park activities include picnicking, camping, hiking, fishing, clamming, beachcombing, and birdwatching. Other industries in South Bristol are fishing, lobstering, clamming, aquaculture and tourism. Lobstering, clamming and tourism remain important industries. Bandon Marsh is popular for hunting, fishing, clamming, birding and photography. Other recreational opportunities include swimming, fishing, clamming, diving, and beachcombing. Clamming is a popular activity during low tide, as is fishing at high tide. When the tide is out, Belliveau Cove is a popular clamming area. Class schedules for the local schools were based on the clamming tides. Clamming is done both commercially and recreationally along the Northeast coastline of the US. Another popular method for bay clamming is the use of specialized tongs from a boat. Also fans of seafood can go clamming in the sand. Absecon's earliest European settlers were English who earned their living clamming and oystering. After that, the Tulalip Indians used the site only for seasonal clamming.