Tropical Tidal Flat Benthos Compared Between Australia an Central America
285
Haughton Estuary,
Australia
Cocorocas,
Costa Rica
Fig. 13.4. Spatial zonation in two tropical tidal flats from Australia and Central America
showing the distribution of prominent macro benthic organisms from the high towards
the low tide level
Australia
Central America
•
subslrlace-deposit·feeder ~ omnivores
D surface-deposit-feeder ~ carnivores
D grazer
t§I indet
~ suspension feeder
Fig. 13.5. Percentage
composition of trophic groups
(% of individuals) from tropical
tidal flats in Australia and
Central America (see Fig, 13,1
for details of the sites), With
limited knowledge of the
biology of most tropical benthic
organisms, some classifications
are tentative, Please note that
the food items of surface
deposit feeders and grazers
overlap