1. FIGURE 12.1 Diagram representing the various types of estuarine benthos. Source: From Day et al. (1989). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

2. FIGURE 12.2 Regulator and conformer strategies, with typical responses to salinity from benthos: Nereis (osmoregulator)and Arenicola (osmoconformer). Source: From Wilson (1988). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

3. FIGURE 12.3 Oyster reef and C. virginica. Source: From Day et al. (1989). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

4. FIGURE 12.4 Remane curves, showing species number and type with salinity. Source: From Schlieper (1979). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

5. FIGURE 12.5 Mean size (mm) of Macoma balthica larvae transported versus tidal current (m/s). Source: Data from Beukema and de Vlas (1989). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

6. FIGURE 12.6 Flotation of Hydrobia on water surface tension and cycle of behavior. Source: From Newell (1979). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

7. FIGURE 12.7 a) Number of species and (b) Shannon– Weiner index (H′) at two sites in Dublin Bay, Ireland (Wilson, unpublished data). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

8. FIGURE 12.8 Simple box model of energy flow through the ecosystem of Dublin Bay, Ireland. Source: From Wilson et al. (2007). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

9. FIGURE 12.9 Chemical and biological gradients in the sediment. Source: After Fenchel and Reidl (1970). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

10. FIGURE 12.10 Sediment particle size and water energy. Source: From Wilson (1988). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

11. FIGURE 12.11 Oxygen sag in the Liffey estuary: DO level and chlorophyll concentration in the water with time. Courtesy T. O’Higgins, Dublin Corporation. ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

12. FIGURE 12.12 Population cycles in the bivalve C. edule. Source: From Ducrotoy et al. (1991). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

13. FIGURE 12.13 Model of interactions between C. edule and P. elegans. ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

14. FIGURE 12.14 Diagrammatic representation of the cycle of mussel-bed buildup and dieback. ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

15. FIGURE 12.15 Optimal foraging and size selection of mussels (solid bars) and cockles (hatched bars) by large (L) and medium (M) crabs. Vertical axis is size of crab in centimeter. Source: From Mascaro and Seed (2001). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

16. FIGURE 12.16 Benthic community response to pollution. Source: From Pearson and Rosenberg (1978). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~

17. FIGURE 12.17 Biological quality index categories (A, B, and C) along pollution gradient. Pollution decreases from A to C. Source: Adapted from Wilson (1988). ESTUARINE ECOLOGY, Second Edition. John W. Day JR, Byron C. Crump, W. Michael Kemp, and Alejandro Yánez-Arancibia. Copyright © 2013 by Wiley-Blackwell. All rights reserved ~