Freshwater Ecosystems - Freshwater Ecology: Concepts and Environmental Applications - page 466

Total = 902

Total = 541

Net photosynthesis
(672)

Aerobic terrestrial
respiration (246)

Trees
13800

Net photosynthesis
(17)

Detritus
litter 500
logs 200
sediment 7500

Shrubs
and
herbs
15-25

Litter (345)

Net photosynthesis
(14)

Aerobic aquatic
respiration (46)

Algae

Precipitation (1.5)

Anaerobic aquatic
respiration (10)

Precipitation (0.9)

Respiration (26)

Streams (192)

Dissolved organic C
0-10

Streams (214)

Groundwater (1.2)

FIGURE 22.12 Carbon biomass and flux rates for the Creeping Swamp ecosystem. Biomass

in g C m 2 is listed in the compartment boxes, and flux rates in g C m 2 year 1 are listed

in parentheses (data from Mullholland, 1981).

FIGURE 22.13 Scenes from the Pantanal: (A) satellite view of the numerous small patches
of surface water, (B) areal photo of a main channel and adjacent flooded areas, (C) a giant
river otter (Pteronura brasiliensis), and (D) caimans (Caiman yacre) congregate around a pool
that remains during the dry season (images courtesy of Steve Hamilton).