1. Anonymous (1990) Tide tables 1990. High and low water predictions for the East coast of North and South America (including Greenland). US Dep't of Commerce, National Oceanic and Atmospheric Administration, Washington, DC
2. Bahr LM, Lanier WP (1981) The ecology of intertidal oyster reefs of the South Atlantic coast: a community profile. US Fish Wildl Serv
3. Barshaw DE, Able KW (1990) Tethering as a technique for assessing predation rates in different habitats: an evaluation using juvenile lobsters Homarus americanus. Fish Bull 88:415?417
4. Bayer RD (1978) Aspects of Oregon estuarine great blue heron population. In: Sprunt A, Ogden JC, Winkler S (eds) Wading Birds. Res Rep 7, National Audubon Soc, New York, pp 213?217
5. Bayer RD (1981) California sea lions in the Yaquina estuary, Oregon. Murrelet 62:56?59