- The generic term for any living matter that can be converted into usable energy through biological or chemical processes. It encompasses feedstocks such as agricultural crops and their residues, animal wastes, wood, wood residues and grasses, and municipal wastes.
- The complete dry weight of organic material found in the biosphere or less strictly, the matter in the biosphere that is contained in living organisms.
[Biology; Campbell, Niel; 1118; 1990; Benjamin Cummings, Redwood City.] [ Living in the Environment; Miller, Tyler; 467-470; 1994; Wadworth; Belmont.]
Source: Atmospheric Chemistry Glossary