ecologic /-ko-lojˈik/ or ecologˈical adjective

1. Relating to or concerned with ecology
2. Using, concerned with or relating to methods, processes, etc beneficial to the natural environment

ecologˈically adverb

ecolˈogist noun

—Also oecologic, etc

ecological efficiency noun

The ratios between the amount of energy flow at different points along a food chain

ecological footprint noun

A measurement of the demands on the earth's resources made by a person, country, etc in relation to the planet's ability to regenerate those resources

ecological niche noun

The position or status of an organism within its community or ecosystem

ecological succession see succession under succeed