Terrestrial ecosystems may undergo a management.Logical formLearned from5 sentences. (Ecosystem research) may undergo applications.Logical formLearned from5 sentences. A person may put demand on an ecosystem.Logical formLearned from5 sentences. An ecosystem can be on earth.Logical formLearned from5 sentences. Ecosystems may undergo a disturbance.Logical formLearned from5 sentences. Ecosystems can be specialized.Logical formLearned from5 sentences. Portions may pertain-to an ecosystem.Logical formLearned from5 sentences. (Ecosystem processes) can be global.Logical formLearned from5 sentences. (Ecosystem processes) can be coastal.Logical formLearned from5 sentences. Roles can be in ecosystems.Logical formLearned from5 sentences. Persons may understand an ecosystem.Logical formLearned from5 sentences. Ecosystems may undergo a creation.Logical formLearned from5 sentences. Marine ecosystems can be in the world.Logical formLearned from5 sentences. A vulnerability may pertain-to an ecosystem.Logical formLearned from5 sentences. A person may create an ecosystem.Logical formLearned from5 sentences.