ecologicadj.

1894 Bull. Torrey Bot. Club 21 89 Ecologic and economic notes.

1901 Bull. Torrey Bot. Club 28 406 Groups of associations may themselves be distributed into large ecologic series based on the uniformity of the factors which determine them.

1947 R. F. Daubenmire Plants & Environment iii. 148 Hydric, xeric, and mesic are commonly encountered in ecologic literature... These adjectives, if used, should be applied only to habitats.

1972 McGraw-Hill Yearbk. Sci. & Technol. 1971 216/1 Tending to develop a maximum biomass for the amount of energy flow, they show many common characteristics in a regular progression termed ecologic succession.

2003 Backwoods Home Mag. Nov.–Dec. 45/3 If you're interested in the economic and ecologic sense of alternative transportation..this is a chance to experiment.

1913 J. Grinnell & H. S. Swarth in Univ. Calif. Publ. Zool. 10 385 The query arises as to the cause of more rapid disappearance of types in such cases, even though they may hold, each, unchallenged possession of a separate ecologic niche.

1948 Evolution 2 346/2 Virtually all ecologic niches that multicelled animals could then occupy would have been available.

1989 Brit. Jrnl. Philos. Sci. 40 485 The recognition of innumerable stimuli from the environment..enables every biological unit (cell, organ, organism) to function and survive in its ecologic niche.