Contents
13
13.1
13.2
13.3
13.3.1
13.3.2
13.3.3
Tropical Tidal Flat Benthos Compared
Between Australia and Central America
S. Dittmann, J.A. Vargas
Introduction . . . . . . . . . . . . . . . . . . . . . .
Tropical Tidal Flats in Australia and Central America
Species Diversity and Abundance . . . .
Species Richness in Tropical Tidal Flats
Similarity in Taxonomic Compositions .
Individual Abundances . . . . . . . . . .
XIII
275
13.4
Community Structure and Distribution
275
277
279
279
281
282
284
284
284
286
286
288
289
290
13.4.1
Spatial Zonation Along Environmental Gradients
13.4.2
Trophic Groups . . . .
13.4.3
Species Interactions
13.4.3.1 Promotive Interactions
13.4.3.2 Repressive Interactions
13.5
Conclusions
References
Part IV Structural Dynamics and Trophic Supplies
to Sedimentary Shores
14
14.1
14.2
14.3
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
14.4
14.5
14.6.
14.7
Recovery Dynamics in Benthic Communities:
Balancing Detail with Simplification . . . . .
S.F. Thrush, R.B. Whitlatch
297
Introduction . . . . . . . . . . . . . . . . . . . .
297
Searching for Generality Part I . . . . . . . . . .
299
Some General Mechanisms Influencing Recovery
301
Seasonality
301
Hydrodynamics. . . . . .
301
Mobility . . . . . . . . . .
302
Opportunistic Responses
302
Biotic Interactions . . . .
303
Searching for Generality Part II
304
Critical Scales of Disturbance and Recovery Dynamics
306
Recovery: a Useful Tool for Assessing Broad-Scale
and Cumulative Effects? . . . . . . . . . . . . . . .
309
Searching for Generality Part III:
the Need to Improve the Information Base . . . . . . . .. 310