From Longman Dictionary of Contemporary EnglishRelated topics: Environment & waste, Biologyecologye‧col‧o‧gy /ɪˈkɒlədʒi $ ɪˈkɑː-/●くろまる●くろまる○しろまる noun [singular, uncountable]SGEthe way in which plants, animals, and people are related to each other and to their environment, or the scientific study of this → environmentthe natural ecology of the Earthplant ecologyCOLLOCATIONSADJECTIVES/NOUN + ecologyfragile (=weak or damaged, and in danger of being destroyed completely)Exploring for oil will damage the island’s fragile ecology.plant/animal ecology (=the animals, plants etc that live in a particular place)a new book about the plant ecology of this fascinating areamarine ecology (=in the sea)Not much is known about the marine ecology of the Red Sea.rainforest ecology (=in a tropical rain forest)a new study of rainforest ecologyExamples from the Corpusecology• They are aware of trade-offs between civilization and ecology.• She is giving a lecture about the naturalhistory and ecology of the seashore.• In most cases, ecology is to blame.• One definition of a coevolutionary ecology is a collection of organisms that serve as their own environment.• Plans to build a new airfield could threaten the delicateecology of the island.• Human ecology includes a vastcomplexity of social elements, themselves functioning in relation to modes of economicexploitation in varyingregional ecologies.• In 20 years or so, Frelich believes, restorationecology will become far more acceptable among professional foresters.• Many graduate students and overseas visitors have worked on aspects of the ecology of this field.• the ecology of the Red Sea• Bell set out to catalog speciesaccording to their ecology and their sexuality.• I have gone further, and combinedsociology with ecology in the science of socioecology.Originecology(1800-1900)Greekoikos"house, living place"