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| ecological balance The condition of equilibrium among the components of a natural community such that their relative numbers remain fairly constant and their ecosystem is stable. Gradual readjustments to the composition of a balanced community take place continually in response to natural ecological succession and to alterations in climatic and other influences | |||
| توازن إيكولوجي: 1 phrase in 1 subject |
| United Nations | 1 |