By Michael J.S. Tevesz, Peter L. McCall
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Extra info for Biotic Interactions in Recent and Fossil Benthic Communities
McCall, R. Strathmann, M. Tevesz, D. Wethey, and W. H. Wilson, Jr. for critical comments and/or valuable discussion. This project was funded by National Science Foundation Grants OCE-7819834 and OCE-8109596. The cost of manuscript preparation was supported by the Computer Services Division of the University of South Carolina. AcKNOWLEDGMENTS. References Alberstadt, I. , and Walker, K. , 1976, A receptaculitidechinoderm pioneer community in a Middle Ordovician reef, Lethaia 9:261-272. Allee, W. , Emerson, A.
Caution must be used when invoking the importance of sedimentmediated interactions to explain local field distributions of members of different functional groups. , Brenchley, 1978; Wilson, 1981). An additional component of the interaction is size. Size has at least three separate effects. First, the effect of an organism on the characteristics of the sediment is both size and density dependent (Brenchley, 1978). A large organism has a greater effect than a small organism. Second, very 14 Chapter 1 small individuals appear to be more sensitive to sediment deposition than are larger individuals of the same species.
Gibbs, P. , 1968, Observations on the population of Scoloplos armiger at Whitstable, /. Mar. Bioi. Assoc. K. 48:225-254. D. dissertation, Johns Hopkins University. Glaessner, M. , 1976, Early Phanerozoic annelid worms and their geological and biological significance, f. Geol. Soc. London 132:259-275. Hairston, N. , 1980, The experimental test of an analysis of field distributions: Competition in terrestrial salamanders, Ecology 61:817-826. Hancock, D. , in: Proc. Adv. Study Inst. Dynamics Numbers Popul.