Ecology of Humic Substances in Freshwaters : Determinants from Geochemistry to Ecological Niches (2003. 440 p. w. 213 figs. 24 cm)

Origin of Humic Substances in Freshwater: Biogeochemical Pathways.- Humic Substances as Geochemical Determinants.- Humic Substances and Global Climate Change.- Source of Inorganic and Organic Nutrients and Interaction with Photons.- Interactions with Nutrients, Metals, Halogens, Biopolymers, Pheromones, and Electrons.- Indirect Effects on Organisms.- Direct Effects on Organisms and Niche Differentiation.- Ecological Significance.- Concluding Remarks.