trophic classification

classification of bodies of water based on amount of available nutrients

en-GB/ˈtɹɒfɪk ˌklæsɪfɪˈkeɪʃən/
en-US/ˈtɹɑfɪk ˌklæsəfəˈkeɪʃən/

श्रेणियाँ:

classification scheme