Here are entered works on energy from fuels produced from plant or animal sources, such as forestry byproducts or agricultural waste, or on the fuels themselves. Works on the total mass of living matter within a given unit of environmental area are entered under Biomass.
Fiction or nonfiction television programs that depict the lives of real people. For fictional television programs in which real persons, places, or events are depicted under invented names see Drames à clef (Television programs).
Here are entered works on evaluation of the condition of a body of water based on surveys and other measurements of the resident biota. Works on testing to determine the degree of pollution of water by comparing its effect on a living organism with the effect of a standard preparation are entered under Water quality bioassay.