Contents
4.2.5
4.2.6
4.2.7
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.4
Adaptation to Suspension Feeding . . . . . . . .
Time Spent on Suspension Feeding . . . . . . . .
Phytoplankton Reduction in Near-Bottom Water
Example II: Switching to Suspension Feeding
in Macoma balthica . . . . . . .
Switching to Suspension Feeding
Current Velocity
Food Availability . . . . . . . . .
Feeding on Siphon Tips .... .
Protection Against Lethal Predation
Conclusions
References
IX
88
88
89
90
91
92
92
94
94
95
95
Part II Biogenic Stabilization and Disturbances in Coastal Sediments
5
Microphytobenthos in Contrasting Coastal Ecosystems:
Biology and Dynamics . . . . . . . . . . . . . . . . . . .
D.M. Paterson, S.E. Hagerthey
5.1
Contrasting Shores . . . . . . . . . . . . . .
5.2
The Microphytobenthos . . . . . . . . . . .
5.3
Physical and Biological Sediment Properties
5.3.1
Sediment Types and Stability ..
5.3.2
Physical Dynamics . . . . . . . . . . . . . .
5.4
Redefining Intertidal Sediments -
The Five Phases of Depositional Environments
5.5
Comparative Biodiversity
5.5.1
Non-cohesive Sediments
5.5.2
Cohesive Sediments
5.5.3
Niche Diversity . .
5.6
Sediment Stability
5.7
Conceptual Model
5.8
Conclusions
References . . . . . .
6
6.1
6.2
Sediment Dynamics by Bioturbating Organisms
G.c. CaMe
Introduction . . . . . . . . . . .
History of Bioturbation Research
105
105
105
107
107
109
112
113
114
115
116
118
119
121
121
127
127
130