Seasonal contrasts in carbon resources and ecological processes on a tropical floodplain

Tropical floodplains, such as the Magela Creek floodplain within Kakadu National Park, exhibit highly productive ecosystems driven by seasonal rainfall and flooding. A review of decades of research reveals that macrophytes—grasses and aquatic plants—dominate above-ground biomass production, serving as critical food and habitat structures for various species like magpie geese. While macrophytes are not a primary carbon source for aquatic consumers, they play a pivotal role in shaping food webs and ecosystem function. The study constructs a conceptual model contrasting wet and dry seasons, highlighting the importance of understanding seasonal and spatial exchanges between floodplains and rivers to grasp broader ecological processes.

PETTIT, N. E., BAYLISS, P., DAVIES, P. M., HAMILTON, S. K., WARFE, D. M., BUNN, S. E., & DOUGLAS, M. M. (2010). Seasonal contrasts in carbon resources and ecological processes on a tropical floodplain. Freshwater Biology, 56(6), 1047–1064. https://doi.org/10.1111/j.1365-2427.2010.02544.x