Blue green algae Zooplankton 2 Acid deposition 1 Actinomycetes 1 Algae, Blue green 1 Algal blooms 1 Aquatic biota 1 Austra-white chicken 1 Azolla 1 Composting 1 Cyanobacteria 1 Cyanophyta 1 Ecosystems 1 Eutrophication 1 Fertilizers 1 Food webs 1 Freshwater microbiology 1 Fungi 1 Green house effect 1 Green manuring 1 Lakes 1 Lentic systems 1 Lotic systems 1 MVSc 1 Microbial populations 1 Microbiology 1 Oomycetes 1 Physiology 1 Phytoplankton 1 Plankton 1