Topics: soil morphology, hydric soils, soil colour, soil horizon boundary, micro-morphology, field morphology, soil profile, iron reduction, sandy soils, soil colours, sand separates, clay separates, soil texture

Topics: pathogen, disease, control, mycelium, bacteria, morphology, fungi, organism

Topics: Limnology, lentic aquatic ecosystem, lotic aquatic ecosystem, lake morphology, lake morphometry, dimictic lakes, meromictic lakes, holomictic lakes, polymictic lakes